/* ─────────────────────────────────────────────────────────────────────────
   AsentioCloud — Modern (white default + neutral grays + indigo accent).
   Variable names preserved (--ink-*, --paper-*, --amber-*) dla zgodnosci z reszta
   stylow i kodu — tylko WARTOSCI zmienione. Nie dotykac nazw.
   ───────────────────────────────────────────────────────────────────────── */

@import url("/public/grain.css");

/* Default = LIGHT (modern white). data-theme="dark" overrides ponizej. */
:root, [data-theme="light"] {
    /* Surface palette (od jasnej do ciemnej w skali jasnej) */
    --ink-0: #ffffff;          /* main background */
    --ink-1: #fafafa;           /* sidebar / panel bg */
    --ink-2: #ffffff;           /* card bg */
    --ink-3: #f3f4f6;           /* hover / muted bg */
    --ink-4: #e5e7eb;           /* borders / dividers */
    --ink-5: #d1d5db;           /* strong borders */
    --ink-6: #9ca3af;           /* disabled */

    /* Text */
    --paper-0: #0f172a;          /* headings / primary */
    --paper-1: #1f2937;          /* body */
    --paper-2: #4b5563;          /* secondary */
    --paper-3: #6b7280;          /* meta / h3 */
    --paper-mute: #9ca3af;       /* placeholders */

    /* Accent — indigo (zamiast amber). Nazwy --amber-* zachowane. */
    --amber: #4f46e5;
    --amber-bright: #6366f1;
    --amber-soft: rgba(79, 70, 229, 0.08);
    --amber-glow: rgba(79, 70, 229, 0.20);
    --vermilion: #ef4444;        /* czerwony */
    --moss: #10b981;             /* emerald */
    --moss-soft: rgba(16, 185, 129, 0.10);
    --slate: #64748b;
    --rust: #dc2626;             /* destructive */

    /* Status */
    --ok: #10b981;
    --warn: #f59e0b;
    --danger: #dc2626;

    /* Layout */
    --sidebar-w: 320px;
    --topbar-h: 56px;
    --right-w: 280px;

    /* Typography — nowoczesny sans, bez serifow */
    --font-display: "Inter", "Söhne", -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", sans-serif;
    --font-body: "Inter", "Söhne", -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", sans-serif;
    --font-mono: "JetBrains Mono", "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;

    /* Effects */
    --grain-opacity: 0;
    --shadow-card: 0 1px 2px rgba(15, 23, 42, 0.04), 0 1px 3px rgba(15, 23, 42, 0.06);
    --shadow-pop: 0 10px 25px -5px rgba(15, 23, 42, 0.10), 0 8px 10px -6px rgba(15, 23, 42, 0.05);
    --radius-sm: 4px;
    --radius: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --hairline: rgba(15, 23, 42, 0.06);
    --hairline-strong: rgba(15, 23, 42, 0.12);

    --transition: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 280ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* Dark theme — modern charcoal (zero amber). */
[data-theme="dark"] {
    --ink-0: #0a0a0b;
    --ink-1: #111113;
    --ink-2: #1a1a1d;
    --ink-3: #232328;
    --ink-4: #2e2e35;
    --ink-5: #3f3f48;
    --ink-6: #6b6b75;

    --paper-0: #fafafa;
    --paper-1: #e5e7eb;
    --paper-2: #9ca3af;
    --paper-3: #6b7280;
    --paper-mute: #4b5563;

    --amber: #6366f1;
    --amber-bright: #818cf8;
    --amber-soft: rgba(99, 102, 241, 0.12);
    --amber-glow: rgba(129, 140, 248, 0.25);

    --shadow-card: 0 1px 2px rgba(0, 0, 0, 0.3), 0 1px 3px rgba(0, 0, 0, 0.4);
    --shadow-pop: 0 24px 48px -16px rgba(0, 0, 0, 0.6), 0 4px 12px rgba(0, 0, 0, 0.4);

    --hairline: rgba(255, 255, 255, 0.06);
    --hairline-strong: rgba(255, 255, 255, 0.14);

    --grain-opacity: 0;
}

[data-theme="dark"] body {
    background: var(--ink-0);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html, body {
    height: 100%;
    background: var(--ink-0);
    color: var(--paper-1);
    font-family: var(--font-body);
    font-size: 14px;
    line-height: 1.5;
    font-feature-settings: "ss01", "cv11";
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

body {
    background: var(--ink-0);
    overflow: hidden;
}

#main {
    height: 100%;
}

/* Grain overlay disabled in modern theme. */
body::before { display: none; }

/* ─── Typography ───────────────────────────────────────────────────────── */

h1, h2, h3, h4 {
    font-family: var(--font-display);
    font-weight: 500;
    letter-spacing: -0.01em;
    color: var(--paper-0);
}

h1 { font-size: 22px; line-height: 1.2; }
h2 { font-size: 17px; }
h3 { font-size: 12px; font-family: var(--font-mono); font-weight: 500; text-transform: uppercase; letter-spacing: 0.12em; color: var(--paper-3); }

a {
    color: var(--amber-bright);
    text-decoration: none;
    transition: color var(--transition);
}
a:hover { color: var(--paper-0); }

code, pre, .mono {
    font-family: var(--font-mono);
    font-size: 0.92em;
}

/* ─── Buttons ──────────────────────────────────────────────────────────── */

button, .btn {
    font-family: var(--font-body);
    font-size: 13px;
    font-weight: 500;
    letter-spacing: 0.01em;
    background: var(--amber);
    color: var(--ink-0);
    border: none;
    padding: 9px 16px;
    border-radius: var(--radius);
    cursor: pointer;
    transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
    box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.15) inset, 0 1px 0 rgba(255, 255, 255, 0.2) inset;
}

button:hover, .btn:hover {
    background: var(--amber-bright);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px var(--amber-glow), 0 0 0 1px rgba(0, 0, 0, 0.15) inset;
}
button:active, .btn:active { transform: translateY(0); }
button:disabled { opacity: 0.45; cursor: not-allowed; transform: none; }

.btn-secondary {
    background: var(--ink-3);
    color: var(--paper-1);
    box-shadow: 0 0 0 1px var(--hairline-strong) inset;
}
.btn-secondary:hover {
    background: var(--ink-4);
    color: var(--paper-0);
    box-shadow: 0 0 0 1px var(--paper-3) inset, 0 4px 12px rgba(0, 0, 0, 0.3);
}

.btn-ghost {
    background: transparent;
    color: var(--paper-2);
    box-shadow: none;
    padding: 6px 10px;
}
.btn-ghost:hover {
    background: var(--ink-2);
    color: var(--paper-0);
    transform: none;
    box-shadow: none;
}

.btn-icon {
    width: 32px;
    height: 32px;
    padding: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    color: var(--paper-2);
    box-shadow: none;
}
.btn-icon:hover { background: var(--ink-2); color: var(--paper-0); transform: none; box-shadow: none; }

.btn-danger { background: var(--danger); color: var(--paper-0); }
.btn-danger:hover { background: #d44535; }

/* ─── Inputs ───────────────────────────────────────────────────────────── */

input[type="text"], input[type="password"], input[type="url"], input[type="email"],
input[type="search"], textarea, select {
    font-family: var(--font-body);
    font-size: 14px;
    color: var(--paper-0);
    background: var(--ink-1);
    border: 1px solid var(--hairline-strong);
    border-radius: var(--radius);
    padding: 10px 12px;
    width: 100%;
    transition: border-color var(--transition), box-shadow var(--transition);
    caret-color: var(--amber);
}
input:focus, textarea:focus, select:focus {
    outline: none;
    border-color: var(--amber);
    box-shadow: 0 0 0 3px var(--amber-soft);
}
input::placeholder, textarea::placeholder { color: var(--paper-mute); }

label {
    display: block;
    font-size: 11px;
    font-family: var(--font-mono);
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--paper-3);
    margin-bottom: 6px;
}

/* ─── App shell ────────────────────────────────────────────────────────── */

.app-root { height: 100%; }

.app-shell {
    display: grid;
    grid-template-columns: var(--sidebar-w) 1fr;
    height: 100%;
    transition: grid-template-columns var(--transition-slow);
}

/* Sidebar zwiniety — grid kolumna sidebara do zera. .sidebar ma overflow:hidden
   wiec content nie wycieka; transition daje plynne zwijanie. */
.app-shell.sidebar-collapsed {
    grid-template-columns: 0 1fr;
}

/* Fixed hamburger — toggle lewego sidebara. Lewy gorny rog, wycentrowany w
   wysokosci topbara. Zawsze nad layoutem (otwarty i zwiniety stan), zeby dalo
   sie sidebar zarowno schowac jak i pokazac. */
.sidebar-toggle {
    position: fixed;
    top: calc((var(--topbar-h) - 32px) / 2);
    left: 12px;
    z-index: 300;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    border: 1px solid var(--hairline);
    border-radius: 8px;
    background: var(--ink-1);
    color: var(--paper-2);
    cursor: pointer;
    transition: background var(--transition), color var(--transition);
}

.sidebar-toggle:hover {
    background: var(--ink-2);
    color: var(--paper-0);
}

/* Gdy sidebar otwarty hamburger lezy nad brandem sidebara — odsuwamy tytul brandu
   zeby ikona "A" go nie zaslaniala. */
.app-shell:not(.sidebar-collapsed) .sidebar-brand {
    padding-left: 52px;
}

.sidebar {
    background: linear-gradient(180deg, var(--ink-1) 0%, var(--ink-0) 100%);
    border-right: 1px solid var(--hairline);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.sidebar-brand {
    height: var(--topbar-h);
    padding: 0 18px;
    display: flex;
    align-items: center;
    gap: 10px;
    border-bottom: 1px solid var(--hairline);
}

.brand-mark {
    width: 28px;
    height: 28px;
    border-radius: 7px;
    background: linear-gradient(135deg, var(--amber) 0%, var(--vermilion) 100%);
    box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.4) inset, 0 4px 12px var(--amber-soft);
    display: grid;
    place-items: center;
    color: var(--ink-0);
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 16px;
}

.brand-name {
    font-family: var(--font-display);
    font-size: 17px;
    font-weight: 500;
    color: var(--paper-0);
    letter-spacing: -0.01em;
}
.brand-tag {
    font-family: var(--font-mono);
    font-size: 9.5px;
    text-transform: uppercase;
    letter-spacing: 0.18em;
    color: var(--paper-3);
    margin-top: 1px;
}

.sidebar-search {
    padding: 12px 14px;
    border-bottom: 1px solid var(--hairline);
}
.sidebar-search input {
    background: var(--ink-2);
    border: 1px solid transparent;
    padding: 7px 12px;
    font-size: 13px;
    border-radius: var(--radius);
}
.sidebar-search input:focus {
    background: var(--ink-1);
    border-color: var(--hairline-strong);
    box-shadow: 0 0 0 3px var(--amber-soft);
}

.sidebar-section {
    padding: 14px 14px 4px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.sidebar-section h3 {
    font-size: 10.5px;
}

.sidebar-list {
    flex: 1;
    overflow-y: auto;
    padding: 0 8px 12px;
}

.sidebar-foot {
    padding: 10px 14px;
    border-top: 1px solid var(--hairline);
    display: flex;
    align-items: center;
    gap: 10px;
    background: var(--ink-1);
}

/* Conversation/Space row */
.row {
    display: grid;
    grid-template-columns: 36px 1fr auto;
    gap: 10px;
    align-items: center;
    padding: 8px 10px;
    border-radius: var(--radius);
    cursor: pointer;
    transition: background var(--transition);
}
.row:hover { background: var(--ink-2); }
.row.active {
    background: var(--ink-3);
    box-shadow: inset 2px 0 0 var(--amber);
}

.row-avatar {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    display: grid;
    place-items: center;
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 14px;
    color: var(--ink-0);
    text-shadow: 0 1px 0 rgba(255, 255, 255, 0.3);
    flex-shrink: 0;
}

.row-content { min-width: 0; }
.row-title {
    font-size: 14px;
    color: var(--paper-0);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-weight: 500;
}
.row-sub {
    font-size: 12px;
    color: var(--paper-3);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    margin-top: 1px;
}
.row-time {
    font-size: 10.5px;
    font-family: var(--font-mono);
    color: var(--paper-mute);
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.row-active-glow {
    color: var(--amber);
    font-weight: 600;
}

/* ─── Main pane ────────────────────────────────────────────────────────── */

.main {
    display: grid;
    grid-template-rows: var(--topbar-h) 1fr;
    overflow: hidden;
    background: var(--ink-0);
}

.topbar {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 0 22px;
    border-bottom: 1px solid var(--hairline);
    background: linear-gradient(180deg, var(--ink-1) 0%, var(--ink-0) 100%);
}

.topbar-title {
    display: flex;
    flex-direction: column;
    line-height: 1.15;
}
.topbar-title strong {
    font-family: var(--font-display);
    font-size: 16px;
    font-weight: 500;
    color: var(--paper-0);
}
.topbar-title small {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--paper-3);
}

.topbar-grow { flex: 1; }

.topbar-actions { display: flex; gap: 6px; align-items: center; }

.viewport {
    overflow-y: auto;
    padding: 24px 28px;
}

/* Right sidebar (room details) */
.with-right {
    display: grid;
    grid-template-columns: 1fr 320px;
    height: 100%;
    overflow: hidden;
}
.right-panel {
    border-left: 1px solid var(--hairline);
    background: linear-gradient(180deg, var(--ink-1) 0%, var(--ink-0) 100%);
    overflow-y: auto;
    padding: 18px 16px;
}
.right-panel section { margin-bottom: 24px; }
.right-panel h3 { margin-bottom: 10px; }

.member {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 6px 8px;
    border-radius: var(--radius);
    /* Member panel ma tlo --ink-2 (lub --ink-1 dla hover); presence dot
     * border ma sie zlewac z parent. ink-2 jest najblizszy dla wiekszosci
     * stanu (rest, scroll bez hover) — codex #15 Low. */
    --presence-dot-border: var(--ink-2);
}
.member:hover { background: var(--ink-2); }
.member .av {
    width: 32px; height: 32px;
    border-radius: 8px;
    display: grid; place-items: center;
    font-family: var(--font-display); font-weight: 600;
    color: var(--ink-0);
}
.member .name { font-size: 13px; color: var(--paper-0); }
.member .sub { font-size: 11px; color: var(--paper-3); font-family: var(--font-mono); }
/* Akcje per-czlonek (Zweryfikuj/Wyrzuc) przeniesione do MemberPopover —
   klik na .member otwiera modal z presence + buttonami. Hover-buttons
   byly mylace (link pojawial sie bez intencji). */
.member-popover {
    max-width: 420px;
    width: 90vw;
}

/* Pending invite row — wyblakly. Cancel button widoczny tylko on hover. */
.member-invite { opacity: 0.7; }
.member-invite:hover { opacity: 1; }
.member-invite .cancel-invite {
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition);
}
.member-invite:hover .cancel-invite,
.member-invite:focus-within .cancel-invite {
    opacity: 1;
    pointer-events: auto;
}

.shared-thumb {
    display: grid;
    grid-template-columns: 32px 1fr;
    gap: 10px;
    align-items: center;
    padding: 6px 8px;
    border-radius: var(--radius);
    cursor: pointer;
    transition: background var(--transition);
}
.shared-thumb:hover { background: var(--ink-2); }
.shared-thumb .icon { font-size: 22px; text-align: center; }
.shared-thumb .name { font-size: 12px; color: var(--paper-1); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.shared-thumb .meta { font-size: 10.5px; color: var(--paper-3); font-family: var(--font-mono); }

/* Siatka kwadratowych miniaturek 120x120 w sidebar Files. flex-wrap pozwala
   na 2+ kolumny zaleznie od szerokosci sidebar. object-fit cover. Bez tekstu
   pod miniaturka — klik otwiera lightbox. */
.shared-image-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(77px, 1fr));
    gap: 6px;
    margin-bottom: 10px;
}
.shared-image-tile {
    aspect-ratio: 1 / 1;
    overflow: hidden;
    border-radius: var(--radius);
    background: var(--ink-2);
    border: 1px solid var(--hairline-strong);
    cursor: pointer;
    transition: transform var(--transition), border-color var(--transition);
}
.shared-image-tile:hover {
    transform: scale(1.02);
    border-color: var(--amber);
}
.shared-image-tile > * {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}
.shared-image-tile img,
.shared-image-tile .msg-image {
    width: 100% !important;
    height: 100% !important;
    max-width: none !important;
    max-height: none !important;
    object-fit: cover;
    display: block;
    border-radius: 0;
    margin: 0;
    border: 0;
    background: none;
    transition: none;
}
.shared-image-tile .msg-image:hover { transform: none; border-color: transparent; }
/* Loading state AuthImage (msg-attachment z width:220px) — overrideujemy */
.shared-image-tile .msg-attachment {
    width: 100% !important;
    height: 100%;
    border: 0;
    background: var(--ink-2);
}

/* Tabs */
.tab-bar {
    display: flex;
    background: var(--ink-2);
    border: 1px solid var(--hairline-strong);
    border-radius: var(--radius);
    padding: 3px;
    gap: 2px;
}
.tab-bar .tab {
    flex: 1 1 0;
    min-width: 0;
    background: transparent;
    color: var(--paper-3);
    border: none;
    padding: 8px 6px;
    font-size: 12px;
    font-family: var(--font-mono);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    border-radius: 5px;
    cursor: pointer;
    transition: background var(--transition), color var(--transition);
    box-shadow: none;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.tab-bar .tab:hover { color: var(--paper-1); transform: none; box-shadow: none; }
.tab-bar .tab.active {
    background: var(--ink-0);
    color: var(--amber-bright);
    box-shadow: 0 1px 0 rgba(255, 255, 255, 0.04) inset, 0 0 0 1px var(--hairline);
    transform: none;
}

/* Image lightbox */
.lightbox {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.92);
    z-index: 9998;
    display: grid;
    place-items: center;
    cursor: zoom-out;
    animation: fade-in 180ms cubic-bezier(0.4, 0, 0.2, 1);
}
.lightbox-img {
    max-width: 92vw;
    max-height: 88vh;
    border-radius: var(--radius);
    box-shadow: 0 24px 80px rgba(0, 0, 0, 0.8);
    cursor: default;
    object-fit: contain;
}
.lightbox-loading {
    color: var(--paper-1);
    display: flex;
    align-items: center;
}
.lightbox-toolbar {
    position: absolute;
    top: 16px;
    right: 16px;
    z-index: 10001;
    display: flex;
    gap: 8px;
}
/* Solidne tlo + obramowanie — toolbar moze lezec nad jasna trescia (podglad .md),
   gdzie transparentny btn-ghost z jasnym tekstem bylby niewidoczny. */
.lightbox-toolbar .btn-ghost {
    background: var(--ink-2);
    color: var(--paper-0);
    border: 1px solid var(--hairline-strong);
}
.lightbox-toolbar .btn-ghost:hover {
    background: var(--ink-3);
}

/* Podglad dokumentu .md w lightboxie — biala karta, przewijalna, jak strona.
   Odsuniety od gory (align-self/margin) zeby toolbar nie nachodzil na tresc. */
.md-lightbox-doc {
    align-self: start;
    margin-top: 64px;
    width: min(820px, 92vw);
    max-height: 82vh;
    overflow-y: auto;
    background: var(--ink-0);
    color: var(--paper-0);
    border-radius: var(--radius);
    box-shadow: 0 24px 80px rgba(0, 0, 0, 0.8);
    padding: 32px 40px;
    cursor: default;
}
.md-lightbox-title {
    font-size: 13px;
    color: var(--paper-2);
    font-family: var(--font-mono);
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--hairline);
    word-break: break-all;
}

/* Skala typograficzna dla PODGLADU dokumentu — .md-content jest dostrojone do
   malych wiadomosci czatu (12.5px). W lightboxie chcemy czytelny dokument:
   wieksze fonty, wyrozdnione kolorem naglowki, wyrazne odstepy. Code blocki
   zachowuja syntect highlighting (kolor) z highlight_and_sanitize_md. */
.md-lightbox-doc .md-content {
    font-size: 15px;
    line-height: 1.65;
}
.md-lightbox-doc .md-content h1,
.md-lightbox-doc .md-content h2,
.md-lightbox-doc .md-content h3,
.md-lightbox-doc .md-content h4 {
    color: var(--amber-bright);
    margin: 24px 0 10px;
    line-height: 1.3;
}
.md-lightbox-doc .md-content h1 { font-size: 1.8em; }
.md-lightbox-doc .md-content h2 {
    font-size: 1.45em;
    padding-bottom: 6px;
    border-bottom: 1px solid var(--hairline);
}
.md-lightbox-doc .md-content h3 { font-size: 1.2em; }
.md-lightbox-doc .md-content > *:first-child { margin-top: 0; }
.md-lightbox-doc .md-content p { margin: 10px 0; }
.md-lightbox-doc .md-content ul,
.md-lightbox-doc .md-content ol { margin: 10px 0; }
.md-lightbox-doc .md-content li { margin: 4px 0; }
.md-lightbox-doc .md-content pre,
.md-lightbox-doc .md-content .code-block { font-size: 13.5px; margin: 14px 0; }
.md-lightbox-doc .md-content blockquote { margin: 14px 0; }
.md-lightbox-doc .md-content th,
.md-lightbox-doc .md-content td {
    padding: 6px 12px;
    border: 1px solid var(--hairline-strong);
}
.md-lightbox-doc .md-content th { background: var(--ink-2); }
.md-lightbox-doc .md-content img { max-width: 100%; border-radius: var(--radius); }

/* Modal — wspólna struktura dla popupów (true overlay) */
.modal-backdrop {
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    right: 0 !important;
    bottom: 0 !important;
    width: 100vw;
    height: 100vh;
    background: rgba(10, 9, 7, 0.78);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: fade-in 180ms cubic-bezier(0.4, 0, 0.2, 1);
    overflow-y: auto;
    padding: 40px 20px;
}
.modal {
    background: linear-gradient(180deg, var(--ink-2), var(--ink-1));
    border: 1px solid var(--hairline-strong);
    border-radius: var(--radius-xl);
    padding: 28px 32px;
    width: 100%;
    min-width: 320px;
    max-width: 520px;
    max-height: calc(100vh - 80px);
    overflow-y: auto;
    box-shadow: var(--shadow-pop);
    margin: auto;
    position: relative;
    z-index: 10000;
}

/* App layout — pozwol fixed overlay-om wyjsc poza app-shell */
html, body { overflow: hidden !important; }
.app-root { position: relative; height: 100%; }
.app-shell { position: relative; }

/* ─── Login screen ─────────────────────────────────────────────────────── */

.login-screen {
    height: 100%;
    display: grid;
    place-items: center;
    background:
        radial-gradient(800px 400px at 30% 20%, var(--amber-soft), transparent 60%),
        var(--ink-0);
    position: relative;
}

.login-screen::after {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(to right, rgba(232, 222, 198, 0.04) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(232, 222, 198, 0.04) 1px, transparent 1px);
    background-size: 64px 64px;
    pointer-events: none;
    mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
}

.login-card {
    position: relative;
    width: 420px;
    background: linear-gradient(180deg, var(--ink-2) 0%, var(--ink-1) 100%);
    border: 1px solid var(--hairline-strong);
    border-radius: var(--radius-xl);
    padding: 32px;
    box-shadow: var(--shadow-pop);
    z-index: 1;
}

.login-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 28px;
}
.login-header .brand-mark {
    width: 40px; height: 40px; border-radius: 10px; font-size: 22px;
}
.login-title {
    display: flex; flex-direction: column;
}
.login-title h1 {
    font-size: 22px;
    color: var(--paper-0);
    margin: 0;
}
.login-title small {
    font-family: var(--font-mono);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.18em;
    color: var(--paper-3);
    margin-top: 2px;
}

.login-card .field { margin-bottom: 16px; }
.login-card .field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.login-card button[type="submit"], .login-card .btn-primary { width: 100%; padding: 11px 16px; font-size: 14px; }

.login-meta {
    margin-top: 18px;
    padding-top: 18px;
    border-top: 1px solid var(--hairline);
    font-size: 12px;
    color: var(--paper-3);
    text-align: center;
}

.alert {
    padding: 10px 14px;
    border-radius: var(--radius);
    margin-bottom: 16px;
    font-size: 13px;
}
.alert-error {
    background: rgba(192, 57, 43, 0.1);
    color: #f3a89e;
    border: 1px solid rgba(192, 57, 43, 0.3);
}
.alert-warn {
    background: var(--amber-soft);
    color: var(--amber-bright);
    border: 1px solid var(--amber);
}

/* ─── Chat / room view ─────────────────────────────────────────────────── */

.chat {
    display: grid;
    grid-template-rows: 1fr auto;
    height: 100%;
    min-height: 0;
    overflow: hidden;
}

.msg-hover { position: relative; }
.msg-toolbar {
    position: absolute;
    top: -8px;
    right: 8px;
    display: none;
    gap: 2px;
    padding: 3px;
    background: var(--ink-2);
    border: 1px solid var(--ink-3);
    border-radius: 6px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.3);
    z-index: 5;
}
.msg-hover:hover .msg-toolbar { display: flex; }
.msg-tool {
    background: transparent;
    border: 0;
    color: var(--paper-1);
    padding: 4px 7px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 13px;
    line-height: 1;
}
.msg-tool:hover { background: var(--ink-3); }
.msg-reactions {
    display: flex;
    gap: 4px;
    flex-wrap: wrap;
    margin-top: 4px;
}
.reaction-chip {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 2px 8px;
    background: var(--ink-3);
    border: 1px solid var(--ink-2);
    border-radius: 12px;
    font-size: 12px;
}
.reaction-count { color: var(--muted); font-size: 11px; }

/* Liczniki w zakladkach (Uczestnicy (4), Pliki (10), itd) — odstep od tekstu. */
.tab-bar .tab .count { margin-left: 6px; opacity: 0.65; font-weight: 400; }
.edited-marker {
    margin-left: 6px;
    color: var(--muted);
    font-size: 11px;
    font-style: italic;
    /* Quote #4 codex Low #5: nie wciagaj "(edytowane)" do cytatu przy selection. */
    user-select: none;
}
.edit-banner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 6px 12px;
    background: rgba(204, 142, 53, 0.08);
    border-bottom: 1px solid var(--amber);
    font-size: 12px;
}

.unread-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 18px;
    height: 18px;
    padding: 0 6px;
    border-radius: 9px;
    background: var(--amber);
    color: var(--ink-1);
    font-size: 11px;
    font-weight: 600;
    margin-left: 6px;
}
.unread-badge.highlight { background: var(--rust); color: white; }

.chat-drop-active {
    outline: 2px dashed var(--amber-bright);
    outline-offset: -8px;
    background: rgba(204, 142, 53, 0.04);
}

.with-right { min-height: 0; overflow: hidden; }
.chat-only { display: contents; }
.composer { flex-shrink: 0; }

.timeline {
    overflow-y: auto;
    padding: 24px 32px;
    display: flex;
    flex-direction: column;
    gap: 6px;
    scroll-behavior: smooth;
}

.timeline-empty {
    flex: 1;
    display: grid;
    place-items: center;
    color: var(--paper-3);
    text-align: center;
    padding: 40px;
}
.timeline-empty .glyph {
    font-family: var(--font-display);
    font-size: 56px;
    color: var(--paper-mute);
    margin-bottom: 12px;
}

.day-divider {
    text-align: center;
    margin: 14px 0 8px;
    font-family: var(--font-mono);
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.18em;
    color: var(--paper-mute);
    position: relative;
}
.day-divider::before, .day-divider::after {
    content: "";
    position: absolute;
    top: 50%;
    width: calc(50% - 80px);
    height: 1px;
    background: var(--hairline);
}
.day-divider::before { left: 0; }
.day-divider::after { right: 0; }

.msg {
    display: grid;
    grid-template-columns: 36px 1fr;
    gap: 12px;
    padding: 6px 8px;
    border-radius: var(--radius);
}
.msg:hover { background: var(--ink-1); }

/* Wlasna wiadomosc — chmurka po prawej, ciepla amber palette zeby odsunac od cudzych. */
.msg.msg-self {
    grid-template-columns: 1fr 36px;
}
.msg.msg-self > .msg-avatar { grid-column: 2; grid-row: 1 / span 2; }
.msg.msg-self .msg-bubble {
    grid-column: 1;
    background: linear-gradient(135deg, rgba(217, 152, 73, 0.18), rgba(217, 152, 73, 0.10));
    border: 1px solid rgba(217, 152, 73, 0.35);
    border-radius: 14px 14px 4px 14px;
    padding: 6px 12px 8px;
    max-width: 78%;
    margin-left: auto;
    box-shadow: 0 1px 0 rgba(0, 0, 0, 0.08);
}
.msg.msg-self .msg-meta { justify-content: flex-end; }
.msg.msg-self:hover { background: transparent; }
.msg.msg-self .msg-toolbar { left: auto; right: 52px; }

/* Typing indicator — 3 male kropki obok nicka, animowane. */
.typing-dots {
    display: inline-flex;
    gap: 2px;
    align-items: center;
}
.typing-dots > span {
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: var(--moss);
    animation: typing-bounce 1s infinite ease-in-out;
}
.typing-dots > span:nth-child(2) { animation-delay: 0.15s; }
.typing-dots > span:nth-child(3) { animation-delay: 0.30s; }
@keyframes typing-bounce {
    0%, 60%, 100% { opacity: 0.3; transform: translateY(0); }
    30% { opacity: 1; transform: translateY(-2px); }
}

/* Cudza — chmurka po lewej, neutralny ink. */
.msg:not(.msg-self) .msg-bubble {
    background: var(--ink-2);
    border: 1px solid var(--hairline);
    border-radius: 4px 14px 14px 14px;
    padding: 6px 12px 8px;
    max-width: 78%;
}

.msg-avatar {
    width: 36px; height: 36px;
    border-radius: 10px;
    display: grid; place-items: center;
    font-family: var(--font-display); font-weight: 600;
    color: var(--ink-0);
    grid-row: span 2;
}
.msg-avatar.spacer { background: transparent; visibility: hidden; }

.msg-meta {
    display: flex; align-items: baseline; gap: 8px;
}
.msg-author {
    font-weight: 600;
    color: var(--paper-0);
    font-size: 14px;
}
.msg-time {
    font-family: var(--font-mono);
    font-size: 10.5px;
    color: var(--paper-mute);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    cursor: pointer;
    transition: color var(--transition);
}

.msg-time:hover {
    color: var(--paper-1);
    text-decoration: underline;
}

.msg-body {
    font-size: 14px;
    color: var(--paper-1);
    word-break: break-word;
}
.md-content > *:first-child { margin-top: 0; }
.md-content > *:last-child  { margin-bottom: 0; }
.md-content p { margin: 4px 0; }
.md-content pre {
    background: var(--ink-2);
    border: 1px solid var(--hairline-strong);
    border-radius: var(--radius);
    padding: 8px 10px;
    overflow-x: auto;
    font-family: var(--font-mono);
    font-size: 12.5px;
    margin: 6px 0;
}
.md-content code {
    background: var(--ink-2);
    padding: 1px 5px;
    border-radius: 4px;
    font-family: var(--font-mono);
    font-size: 12.5px;
}
.md-content pre code { background: transparent; padding: 0; }

/* Issue #42: code block z syntax highlighting + copy button. */
.md-content .code-block {
    background: var(--ink-2);
    border: 1px solid var(--hairline-strong);
    border-radius: var(--radius);
    margin: 6px 0;
    overflow: hidden;
}
.md-content .code-block-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 4px 8px 4px 10px;
    background: var(--ink-3, var(--ink-2));
    border-bottom: 1px solid var(--hairline-strong);
    font-size: 11px;
    color: var(--paper-2);
}
.md-content .code-block-lang {
    font-family: var(--font-mono);
    text-transform: lowercase;
    letter-spacing: 0.5px;
    opacity: 0.7;
}
.md-content .code-block .code-copy {
    background: transparent;
    border: 1px solid transparent;
    color: var(--paper-2);
    cursor: pointer;
    font-size: 12px;
    padding: 2px 6px;
    border-radius: 4px;
    line-height: 1;
    transition: background 0.15s, border-color 0.15s;
}
.md-content .code-block .code-copy:hover {
    background: var(--ink-2);
    border-color: var(--hairline-strong);
}
.md-content .code-block .code-block-body {
    margin: 0;
    border: none;
    border-radius: 0;
    background: transparent;
    padding: 8px 10px;
}
.md-content .code-block .code-block-body code {
    background: transparent;
    padding: 0;
}
.md-content blockquote {
    margin: 6px 0;
    padding: 4px 10px;
    border-left: 3px solid var(--hairline-strong);
    color: var(--paper-2);
}
.md-content ul, .md-content ol { margin: 4px 0; padding-left: 22px; }
.md-content ul ul, .md-content ul ol,
.md-content ol ul, .md-content ol ol { margin: 2px 0; padding-left: 20px; }
.md-content li { margin: 1px 0; }
.md-content ul { list-style: disc; }
.md-content ul ul { list-style: circle; }
.md-content ul ul ul { list-style: square; }
.md-content ol { list-style: decimal; }
.md-content a { color: var(--amber-bright); text-decoration: underline; }
.md-content h1, .md-content h2, .md-content h3 { margin: 8px 0 4px; }
.md-content table { border-collapse: collapse; margin: 6px 0; }
.md-content th, .md-content td {
    border: 1px solid var(--hairline-strong);
    padding: 3px 8px;
    font-size: 13px;
}

.msg-body p { margin: 2px 0; }

.msg-attachment {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 8px 12px;
    background: var(--ink-2);
    border: 1px solid var(--hairline-strong);
    border-radius: var(--radius);
    margin-top: 6px;
    cursor: pointer;
    transition: border-color var(--transition);
}

.msg-image {
    display: block;
    max-width: 360px;
    max-height: 320px;
    border-radius: var(--radius);
    margin-top: 6px;
    cursor: pointer;
    border: 1px solid var(--hairline);
    background: var(--ink-2);
    object-fit: cover;
    transition: transform var(--transition);
}
.msg-image:hover {
    transform: scale(1.01);
    border-color: var(--amber);
}

/* Compose pending attachment preview (przed wyslaniem) */
.compose-preview {
    background: var(--ink-1);
    border: 1px solid var(--hairline-strong);
    border-radius: var(--radius);
    padding: 10px 12px;
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 12px;
}
.compose-preview .thumb {
    width: 56px; height: 56px;
    border-radius: var(--radius);
    object-fit: cover;
    background: var(--ink-2);
    display: grid; place-items: center;
    font-size: 22px;
}
.compose-preview img.thumb { object-fit: cover; }
.compose-preview .meta { flex: 1; min-width: 0; }
.compose-preview .name { font-size: 13px; color: var(--paper-0); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.compose-preview .size { font-size: 11px; color: var(--paper-3); font-family: var(--font-mono); }
.compose-preview .remove {
    background: transparent; border: none; color: var(--paper-3);
    cursor: pointer; padding: 4px 8px;
    box-shadow: none;
}
.compose-preview .remove:hover { color: var(--danger); transform: none; box-shadow: none; }
.msg-attachment:hover { border-color: var(--amber); }
.msg-attachment .a-icon { font-size: 18px; }
.msg-attachment .a-name { font-size: 13px; color: var(--paper-0); }
.msg-attachment .a-size { font-size: 11px; color: var(--paper-3); margin-left: 6px; font-family: var(--font-mono); }

.msg-system {
    text-align: center;
    font-size: 12px;
    color: var(--paper-3);
    padding: 4px 12px;
    margin: 6px 0;
}

/* Composer */
.composer {
    border-top: 1px solid var(--hairline);
    padding: 14px 24px 18px;
    background: linear-gradient(180deg, var(--ink-0) 0%, var(--ink-1) 100%);
}

.composer-box {
    position: relative; /* anchor dla MentionAutocomplete dropdown */
    background: var(--ink-2);
    border: 1px solid var(--hairline-strong);
    border-radius: var(--radius-lg);
    padding: 8px 8px 8px 14px;
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 8px;
    align-items: end;
    transition: border-color var(--transition), box-shadow var(--transition);
}
.composer-box:focus-within {
    border-color: var(--amber);
    box-shadow: 0 0 0 3px var(--amber-soft);
}

.composer textarea {
    background: transparent;
    border: none;
    padding: 8px 4px;
    resize: none;
    min-height: 22px;
    max-height: 140px;
    font-size: 14px;
    line-height: 1.5;
}
.composer textarea:focus { box-shadow: none; }

.composer-actions { display: flex; gap: 4px; }

.composer-attach-list {
    display: flex; flex-wrap: wrap; gap: 6px;
    margin-bottom: 8px;
}
.composer-attach-pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--ink-3);
    border: 1px solid var(--hairline-strong);
    border-radius: 999px;
    padding: 4px 10px;
    font-size: 12px;
    color: var(--paper-1);
}
.composer-attach-pill button {
    background: none; border: none; color: var(--paper-3);
    padding: 0; width: 16px; height: 16px;
    cursor: pointer; box-shadow: none;
}
.composer-attach-pill button:hover { color: var(--paper-0); transform: none; box-shadow: none; }

/* ─── Files / space view ───────────────────────────────────────────────── */

.breadcrumb {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-bottom: 18px;
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--paper-3);
}
.breadcrumb a { color: var(--paper-2); }
.breadcrumb a:hover { color: var(--amber-bright); }
.breadcrumb .sep { color: var(--paper-mute); }

.toolbar {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 16px;
}
.toolbar h2 { flex: 1; }

.file-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 12px;
}

.file-card {
    position: relative;
    background: linear-gradient(180deg, var(--ink-2) 0%, var(--ink-1) 100%);
    border: 1px solid var(--hairline-strong);
    border-radius: var(--radius);
    padding: 14px 14px 12px;
    cursor: pointer;
    transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
    display: flex;
    flex-direction: column;
    gap: 8px;
    overflow: hidden;
}
.file-card::before {
    content: "";
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--hairline-strong), transparent);
}
.file-card:hover {
    border-color: var(--amber);
    transform: translateY(-2px);
    box-shadow: var(--shadow-card);
}

.file-card .icon {
    font-size: 36px;
    width: 100%;
    text-align: center;
    padding: 14px 0 8px;
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.4));
}

/* Miniatura obrazka w karcie pliku (FileGrid) — zastepuje .icon dla image/*. */
.file-card .file-thumb {
    width: 100%;
    aspect-ratio: 1 / 1;
    border-radius: calc(var(--radius) - 4px);
    overflow: hidden;
    background: var(--ink-1);
    display: flex;
    align-items: center;
    justify-content: center;
}
.file-card .file-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.file-card .name {
    font-size: 13px;
    color: var(--paper-0);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-weight: 500;
}
.file-card .meta {
    font-size: 10.5px;
    font-family: var(--font-mono);
    color: var(--paper-3);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    display: flex;
    justify-content: space-between;
}

.folder-card { background: linear-gradient(180deg, var(--ink-3) 0%, var(--ink-2) 100%); }

/* Dropzone */
.dropzone {
    border: 1px dashed var(--hairline-strong);
    border-radius: var(--radius-lg);
    padding: 28px;
    text-align: center;
    color: var(--paper-3);
    margin-bottom: 16px;
    transition: border-color var(--transition), background var(--transition);
}
.dropzone.active { border-color: var(--amber); background: var(--amber-soft); color: var(--amber-bright); }

/* ─── Avatar colors (deterministic) ─────────────────────────────────────── */

.av-1 { background: linear-gradient(135deg, #6366f1, #4f46e5); }
.av-2 { background: linear-gradient(135deg, #10b981, #059669); }
.av-3 { background: linear-gradient(135deg, #06b6d4, #0891b2); }
.av-4 { background: linear-gradient(135deg, #f43f5e, #be123c); }
.av-5 { background: linear-gradient(135deg, #f59e0b, #d97706); }
.av-6 { background: linear-gradient(135deg, #8b5cf6, #6d28d9); }
.av-7 { background: linear-gradient(135deg, #ec4899, #be185d); }
.av-8 { background: linear-gradient(135deg, #14b8a6, #0f766e); }

/* ─── Misc ─────────────────────────────────────────────────────────────── */

.muted { color: var(--paper-3); font-size: 12px; }
.dim   { color: var(--paper-mute); }

.empty {
    text-align: center;
    color: var(--paper-3);
    padding: 60px 24px;
}
.empty .glyph { font-family: var(--font-display); font-size: 56px; color: var(--paper-mute); }
.empty h3 { color: var(--paper-2); margin: 8px 0 4px; }

.tag-pill {
    display: inline-block;
    padding: 2px 9px;
    background: var(--ink-3);
    border: 1px solid var(--hairline-strong);
    border-radius: 999px;
    font-size: 11px;
    margin-right: 4px;
    color: var(--paper-2);
    font-family: var(--font-mono);
}

.kbd {
    font-family: var(--font-mono);
    font-size: 10.5px;
    padding: 1px 6px;
    background: var(--ink-3);
    border: 1px solid var(--hairline-strong);
    border-radius: 4px;
    color: var(--paper-2);
}

/* Toast */
.toast-wrap {
    position: fixed;
    top: 16px;
    right: 16px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    z-index: 200;
}
.toast {
    background: var(--ink-2);
    border: 1px solid var(--hairline-strong);
    border-radius: var(--radius);
    padding: 12px 16px;
    min-width: 280px;
    max-width: 380px;
    box-shadow: var(--shadow-pop);
    animation: toast-in 220ms cubic-bezier(0.4, 0, 0.2, 1);
}
.toast.error { border-left: 3px solid var(--danger); }
.toast.ok    { border-left: 3px solid var(--ok); }

@keyframes toast-in {
    from { opacity: 0; transform: translateX(20px); }
    to   { opacity: 1; transform: translateX(0); }
}

@keyframes fade-in {
    from { opacity: 0; transform: translateY(4px); }
    to   { opacity: 1; transform: translateY(0); }
}

.fade-in { animation: fade-in 220ms cubic-bezier(0.4, 0, 0.2, 1); }

/* Keep-mounted taby w RoomDetailsSidebar — display:none zamiast unmount,
   zeby AuthImage nie revoke'owal blob URL przy przelaczaniu. */
.tab-pane-hidden { display: none !important; }

/* Scrollbars */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
    background: var(--ink-4);
    border-radius: 999px;
    border: 2px solid var(--ink-0);
}
::-webkit-scrollbar-thumb:hover { background: var(--ink-5); }

/* Spinner */
.spinner {
    display: inline-block;
    width: 14px; height: 14px;
    border: 2px solid var(--paper-mute);
    border-top-color: var(--amber);
    border-radius: 50%;
    animation: spin 720ms linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* Progress */
.progress {
    height: 3px;
    background: var(--ink-3);
    border-radius: 999px;
    overflow: hidden;
}
.progress > div {
    height: 100%;
    background: linear-gradient(90deg, var(--amber), var(--amber-bright));
    transition: width 280ms ease;
}

/* ─── Room Switcher ────────────────────────────────────────────────────── */

.room-switcher,
.shortcuts-overlay {
    min-width: 480px;
    max-width: 90vw;
    max-height: 70vh;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.room-switcher-input {
    width: 100%;
    padding: 10px 12px;
    font-size: 1rem;
    border: 1px solid var(--hairline-strong);
    border-radius: var(--radius);
    box-sizing: border-box;
}

.room-switcher-list {
    list-style: none;
    margin: 0;
    padding: 0;
    overflow-y: auto;
    max-height: 50vh;
}

.room-switcher-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 12px;
    cursor: pointer;
    border-radius: var(--radius-sm);
}

.room-switcher-item:hover,
.room-switcher-item.selected {
    background: var(--amber-soft);
}

.room-switcher-name {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.room-switcher-empty {
    padding: 16px;
    color: var(--paper-3);
    text-align: center;
}

/* ─── Shortcuts Overlay ────────────────────────────────────────────────── */

.shortcuts-table {
    border-collapse: collapse;
    width: 100%;
}

.shortcuts-table td {
    padding: 6px 12px;
    border-bottom: 1px solid var(--hairline);
}

.shortcuts-table td.kbd {
    font-family: var(--font-mono);
    font-weight: 600;
    width: 140px;
    /* visual .kbd styling (background, border, border-radius) not applied here
       as this is a table cell, not an inline element */
    background: none;
    border: none;
    border-bottom: 1px solid var(--hairline);
    color: var(--paper-2);
    font-size: 12px;
}

/* ─── Emoji Picker ─────────────────────────────────────────────────────── */

/* Popover fixed bottom-right zamiast modal — wisi nad composerem.
   Bez ciemnego backdropa. Zamknięcie: close button, ESC, wybór emoji. */
.emoji-picker-popover {
    position: fixed;
    right: 16px;
    /* topbar (56) + composer ~64 + 16 odstęp = ~136 od dołu — picker wyląduje
       tuż nad composerem. Gdy details/thread otwarte z prawej, picker przesuwa
       się tylko w bok jeśli wymaga — patrz @media w responsive sekcji. */
    bottom: 96px;
    width: 380px;
    max-width: calc(100vw - 32px);
    max-height: 520px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 12px;
    background: var(--ink-2);
    border: 1px solid var(--hairline-strong);
    border-radius: var(--radius);
    box-shadow: var(--shadow-pop);
    z-index: 60;
}

.emoji-picker-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-bottom: 4px;
    border-bottom: 1px solid var(--hairline);
}

.emoji-picker-title {
    font-size: 13px;
    font-weight: 500;
    color: var(--paper-1);
}

.emoji-picker-close {
    background: transparent;
    border: none;
    cursor: pointer;
    font-size: 16px;
    color: var(--paper-3);
    padding: 2px 6px;
    border-radius: var(--radius-sm);
    box-shadow: none;
    line-height: 1;
}

.emoji-picker-close:hover {
    background: var(--ink-3);
    color: var(--paper-0);
    transform: none;
    box-shadow: none;
}

/* Tabs — flex-wrap zamiast scroll-x żeby scrollbar poziomy nie zjadał połowy
   wysokości ikon. 9 grup mieści się w 2 rzędach po 5 przy szerokości 380px. */
.emoji-picker-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 2px;
    padding-bottom: 4px;
    border-bottom: 1px solid var(--hairline);
}

.emoji-tab {
    background: transparent;
    border: none;
    cursor: pointer;
    font-size: 20px;
    padding: 4px 8px;
    border-radius: var(--radius-sm);
    flex-shrink: 0;
    line-height: 1;
    box-shadow: none;
}

/* var(--ink-3) zamiast var(--paper-2): paper-2 to KOLOR TEKSTU (#4b5563)
   nie hover background. Bez fix hover dawał ciemny prostokąt zamiast subtelnego tła. */
.emoji-tab:hover {
    background: var(--ink-3);
    transform: none;
    box-shadow: none;
}

.emoji-tab.active {
    background: var(--amber-soft);
    box-shadow: none;
}

.emoji-picker-search-row {
    display: flex;
    gap: 8px;
    align-items: center;
}

.emoji-picker-search {
    flex: 1;
    padding: 8px 10px;
    font-size: 0.95rem;
    border: 1px solid var(--hairline-strong);
    border-radius: var(--radius);
    box-sizing: border-box;
}

.emoji-skin-tone-row {
    display: flex;
    gap: 2px;
}

.emoji-tone {
    background: transparent;
    border: 1px solid transparent;
    cursor: pointer;
    font-size: 16px;
    padding: 4px;
    border-radius: var(--radius-sm);
    line-height: 1;
    box-shadow: none;
}

.emoji-tone:hover {
    background: var(--ink-3);
    transform: none;
    box-shadow: none;
}

.emoji-tone.active {
    border-color: var(--hairline-strong);
    background: var(--amber-soft);
    box-shadow: none;
}

.emoji-picker-body {
    overflow-y: auto;
    flex: 1;
    min-height: 0;
}

.emoji-section-title {
    font-size: 11px;
    text-transform: uppercase;
    color: var(--paper-3);
    margin: 8px 0 4px;
    letter-spacing: 0.5px;
}

.emoji-grid {
    display: grid;
    grid-template-columns: repeat(8, 1fr);
    gap: 2px;
}

.emoji-cell {
    background: transparent;
    border: none;
    cursor: pointer;
    font-size: 22px;
    padding: 4px;
    border-radius: var(--radius-sm);
    line-height: 1;
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: none;
}

.emoji-cell:hover {
    background: var(--amber-soft);
    transform: none;
    box-shadow: none;
}

.emoji-picker-empty {
    padding: 24px;
    color: var(--paper-3);
    text-align: center;
}

/* ─── Thread Panel ─────────────────────────────────────────────────────── */

/* Panel pozycjonowany fixed po prawej żeby działał niezależnie od wrappera
   chat-only/with-right (codex review #2 threads). topbar-h offset żeby nie
   przesłaniał górnej belki. */
.thread-panel {
    position: fixed;
    top: var(--topbar-h);
    right: 0;
    bottom: 0;
    width: 360px;
    min-width: 320px;
    max-width: 420px;
    background: var(--ink-1);
    border-left: 1px solid var(--hairline);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    z-index: 50;
    box-shadow: -4px 0 12px rgba(0, 0, 0, 0.08);
}

.thread-panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    border-bottom: 1px solid var(--hairline);
}

.thread-panel-title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 15px;
}

.thread-panel-timeline {
    flex: 1;
    overflow-y: auto;
    padding: 12px 16px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.thread-panel-empty {
    padding: 16px;
    text-align: center;
    font-size: 13px;
    color: var(--paper-3);
}

.thread-panel-composer {
    border-top: 1px solid var(--hairline);
    padding: 10px 12px;
    display: flex;
    gap: 8px;
    align-items: flex-end;
}

.thread-panel-composer textarea {
    flex: 1;
    resize: none;
    min-height: 36px;
    max-height: 120px;
}

.thread-msg {
    display: flex;
    gap: 8px;
    align-items: flex-start;
}

.thread-msg-avatar {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    font-weight: 600;
    flex-shrink: 0;
}

.thread-msg-body {
    min-width: 0;
    flex: 1;
}

.thread-msg-header {
    display: flex;
    gap: 8px;
    align-items: baseline;
    font-size: 12px;
    margin-bottom: 2px;
}

.thread-msg-sender {
    font-weight: 600;
    color: var(--paper-0);
}

.thread-msg-time {
    font-size: 11px;
}

.thread-msg-text {
    font-size: 14px;
    line-height: 1.4;
    word-wrap: break-word;
}

.thread-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    margin-top: 4px;
    padding: 2px 10px;
    font-size: 12px;
    background: var(--amber-soft);
    color: var(--amber);
    border: 1px solid transparent;
    border-radius: var(--radius);
    cursor: pointer;
    box-shadow: none;
    transition: background var(--transition);
}

.thread-badge:hover {
    background: var(--amber-glow);
    transform: none;
}

/* ─── Mention Autocomplete ──────────────────────────────────────────────── */

/* Dropdown pozycjonowany nad composer-box. anchor: .composer-box position:relative */
.mention-autocomplete {
    position: absolute;
    bottom: calc(100% + 6px);
    left: 0;
    right: 0;
    max-height: 280px;
    overflow-y: auto;
    background: var(--ink-2);
    border: 1px solid var(--hairline-strong);
    border-radius: var(--radius);
    box-shadow: var(--shadow-pop);
    z-index: 40;
    display: flex;
    flex-direction: column;
    padding: 4px;
}

.mention-row {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 6px 8px;
    background: transparent;
    border: none;
    cursor: pointer;
    border-radius: var(--radius-sm);
    text-align: left;
    width: 100%;
    box-shadow: none;
    color: var(--paper-1);
}

.mention-row:hover,
.mention-row.selected {
    background: var(--amber-soft);
    transform: none;
    box-shadow: none;
}

.mention-avatar {
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--ink-3);
    color: var(--paper-1);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    font-weight: 600;
}

.mention-avatar.room-avatar {
    background: var(--amber-soft);
    font-size: 14px;
}

.mention-name {
    flex: 1;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-size: 14px;
    font-weight: 500;
}

.mention-meta {
    flex-shrink: 0;
    font-size: 11px;
    color: var(--paper-3);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 50%;
}

.mention-row.room-mention .mention-name {
    color: var(--amber);
    font-weight: 600;
}

.mention-empty {
    padding: 12px;
    text-align: center;
    font-size: 13px;
}

/* Quote floating button — issue #4 */
.quote-floating-btn {
    background: var(--ink-2);
    color: var(--paper-1);
    border: 1px solid var(--hairline-strong);
    border-radius: var(--radius);
    padding: 6px 12px;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    box-shadow: var(--shadow-pop);
    white-space: nowrap;
    user-select: none;
    transition: background 0.12s ease, transform 0.12s ease;
}

/* Hover/active bez transform — inline style w QuoteButton ustawia pozycje
 * (above/below selection) i CSS override psul layout dla below variantu
 * (codex Low #6). Sam color shift wystarczy do feedback. */
.quote-floating-btn:hover {
    background: var(--amber-soft);
}

.quote-floating-btn:active {
    filter: brightness(0.92);
}

/* ─── Toast notification (issue #5) ──────────────────────────────────────── */

.toast {
    position: fixed;
    top: calc(var(--topbar-h) + 16px);
    right: 16px;
    z-index: 100;
    padding: 10px 16px;
    background: var(--ink-2);
    color: var(--paper-0);
    border: 1px solid var(--hairline-strong);
    border-radius: var(--radius);
    box-shadow: var(--shadow-pop);
    font-size: 13px;
    cursor: pointer;
    max-width: 320px;
    animation: toast-in 180ms ease-out;
}

.toast:hover {
    opacity: 0.85;
}

@keyframes toast-in {
    from { opacity: 0; transform: translateY(-8px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Highlight wiadomości docelowej permalink — żółty pulse fade out 2.5s */
.highlight-permalink {
    animation: highlight-permalink 2500ms ease-out;
}

@keyframes highlight-permalink {
    0%, 30% { background-color: var(--amber-glow); }
    100% { background-color: transparent; }
}

/* ─── In-room search (issue #37) ─────────────────────────────────────────── */

.room-search-bar {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 14px;
    background: var(--ink-1);
    border-bottom: 1px solid var(--hairline);
    flex-shrink: 0;
    font-size: 13px;
}

.room-search-input {
    flex: 1;
    min-width: 0;
    padding: 7px 12px;
    background: var(--ink-2);
    color: var(--paper-0);
    border: 1px solid var(--hairline-strong);
    border-radius: var(--radius);
    font-size: 13px;
    outline: none;
    transition: border-color var(--transition), box-shadow var(--transition);
}

.room-search-input:focus {
    border-color: var(--amber);
    box-shadow: 0 0 0 3px var(--amber-soft);
}

.room-search-input::placeholder {
    color: var(--paper-mute);
}

.room-search-counter {
    color: var(--paper-3);
    font-variant-numeric: tabular-nums;
    font-family: var(--font-mono);
    font-size: 12px;
    min-width: 52px;
    text-align: right;
    padding: 0 4px;
}

.room-search-nav,
.room-search-close,
.room-search-load-older {
    background: var(--ink-2);
    color: var(--paper-2);
    border: 1px solid var(--hairline-strong);
    border-radius: var(--radius-sm);
    padding: 5px 10px;
    cursor: pointer;
    font-size: 12px;
    transition: background var(--transition), color var(--transition), border-color var(--transition);
    box-shadow: none;
    line-height: 1;
}

.room-search-nav:hover:not(:disabled),
.room-search-close:hover,
.room-search-load-older:hover {
    background: var(--ink-3);
    color: var(--paper-0);
    transform: none;
    box-shadow: none;
}

.room-search-load-older {
    color: var(--amber);
    border-color: var(--amber);
    background: var(--amber-soft);
}

.room-search-load-older:hover {
    background: var(--amber-glow);
    color: var(--amber);
}

.room-search-nav:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

/* Bubble matchu — subtelne zoltawe tło. Active match — wyrazniejsze pomaranczowo
 * + outline glow. !important bo bubble row ma juz background-* z roznych
 * source'ow (msg-self, msg-pinned itd.). */
.search-match {
    background-color: rgba(245, 158, 11, 0.10) !important;
    border-radius: var(--radius);
    transition: background-color var(--transition);
}

.search-match-active {
    background-color: rgba(245, 158, 11, 0.24) !important;
    border-radius: var(--radius);
    outline: 2px solid rgba(245, 158, 11, 0.55);
    outline-offset: 1px;
}

[data-theme="dark"] .search-match {
    background-color: rgba(251, 191, 36, 0.12) !important;
}

[data-theme="dark"] .search-match-active {
    background-color: rgba(251, 191, 36, 0.28) !important;
    outline-color: rgba(251, 191, 36, 0.6);
}

/* ─── Power levels editor (issue #32) ────────────────────────────────────── */

.pl-editor-modal {
    max-width: 720px;
    width: 90vw;
    max-height: 85vh;
    overflow-y: auto;
}

.pl-editor-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
    margin-bottom: 8px;
}

.pl-editor-table th,
.pl-editor-table td {
    text-align: left;
    padding: 6px 8px;
    border-bottom: 1px solid var(--hairline);
    vertical-align: middle;
}

.pl-editor-table th {
    background: var(--bg-surface-2, var(--bg-surface));
    color: var(--text-muted);
    font-weight: 600;
    font-size: 12px;
}

.pl-editor-table input[type="number"] {
    width: 64px;
    padding: 4px 6px;
    background: var(--bg-input, var(--bg-surface));
    color: var(--text);
    border: 1px solid var(--hairline);
    border-radius: var(--radius);
    font-size: 13px;
    text-align: right;
}

.pl-editor-table input[type="number"]:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.pl-badge-self {
    color: var(--moss);
    font-size: 11px;
}

.pl-warn {
    color: var(--rust);
    font-size: 11px;
}

.pl-event-type-muted {
    font-size: 11px;
    color: var(--text-muted);
    font-family: monospace;
}

/* ─── Pinned messages banner (issue #6) ──────────────────────────────────── */

.pinned-banner {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 16px;
    background: var(--amber-soft);
    border-bottom: 1px solid var(--hairline-strong);
    cursor: pointer;
    font-size: 13px;
    flex-shrink: 0;
    user-select: none;
    transition: background var(--transition);
}

.pinned-banner:hover {
    background: var(--amber-glow);
}

.pinned-banner.pinned-banner-expanded {
    display: block;
    cursor: default;
    padding: 0;
    background: var(--ink-1);
}

.pinned-banner-expanded:hover {
    background: var(--ink-1);
}

.pinned-banner-header {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 16px;
    background: var(--amber-soft);
    cursor: pointer;
    transition: background var(--transition);
}

.pinned-banner-header:hover {
    background: var(--amber-glow);
}

.pinned-icon {
    font-size: 14px;
    flex-shrink: 0;
}

.pinned-teaser {
    flex: 1;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.pinned-sender {
    font-weight: 600;
    color: var(--paper-0);
    margin-right: 4px;
}

.pinned-body {
    color: var(--paper-2);
}

.pinned-banner-title {
    flex: 1;
    font-weight: 600;
    color: var(--paper-0);
}

.pinned-counter {
    flex-shrink: 0;
    font-size: 11px;
    color: var(--paper-3);
    background: var(--ink-3);
    padding: 1px 8px;
    border-radius: 999px;
}

.pinned-expand-hint {
    flex-shrink: 0;
    color: var(--paper-3);
    font-size: 10px;
}

.pinned-list {
    max-height: 50vh;
    overflow-y: auto;
    border-bottom: 1px solid var(--hairline-strong);
}

.pinned-list-item {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 10px 16px;
    cursor: pointer;
    border-bottom: 1px solid var(--hairline);
    transition: background var(--transition);
}

.pinned-list-item:last-child {
    border-bottom: none;
}

.pinned-list-item:hover {
    background: var(--ink-3);
}

.pinned-list-avatar {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    font-weight: 600;
    flex-shrink: 0;
}

.pinned-list-body {
    flex: 1;
    min-width: 0;
}

.pinned-list-sender {
    font-weight: 600;
    color: var(--paper-0);
    font-size: 13px;
    margin-bottom: 2px;
}

.pinned-list-text {
    font-size: 13px;
    color: var(--paper-1);
    line-height: 1.4;
    word-wrap: break-word;
}

.pinned-list-unpin {
    flex-shrink: 0;
    background: transparent;
    border: none;
    color: var(--paper-3);
    cursor: pointer;
    padding: 4px 8px;
    font-size: 14px;
    border-radius: var(--radius-sm);
    box-shadow: none;
}

.pinned-list-unpin:hover {
    background: var(--rust);
    color: white;
    transform: none;
    box-shadow: none;
}

/* ─── Message actions menu (issue #6) ─────────────────────────────────────── */

.message-actions-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 49;
    background: transparent;
}

.message-actions-menu {
    position: absolute;
    right: 0;
    top: calc(100% + 4px);
    z-index: 50;
    background: var(--ink-2);
    border: 1px solid var(--hairline-strong);
    border-radius: var(--radius);
    box-shadow: var(--shadow-pop);
    min-width: 180px;
    padding: 4px;
    display: flex;
    flex-direction: column;
}

.message-action-row {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 12px;
    background: transparent;
    border: none;
    cursor: pointer;
    border-radius: var(--radius-sm);
    text-align: left;
    width: 100%;
    box-shadow: none;
    color: var(--paper-1);
    font-size: 13px;
}

.message-action-row:hover {
    background: var(--ink-3);
    transform: none;
    box-shadow: none;
}

.message-action-icon {
    flex-shrink: 0;
    font-size: 14px;
}

.message-action-label {
    flex: 1;
}

/* MxcAvatar img — issue #40. Wypelnia parent container (.av, .row-avatar)
 * z zachowaniem aspect ratio (cover). border-radius dziedziczony przez
 * box ksztaltu parent (round w sidebar, square-ish av w member list).
 * Background = parent gradient (.av-N) jest hide'owany gdy img wczytany. */
.mxc-avatar-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: inherit;
    display: block;
}

/* Parent containera z img — chce zeby tekst initials byl ukryty pod img,
 * ale `<img>` jest sibling text node w div'ie .av. Bez tego widac initial
 * przez przezroczyste fragmenty img (przy ladowaniu). object-fit: cover
 * + opaque background na img maskuje. */

/* Presence dot — issue #15. Parent musi miec position: relative.
 * Border-color customizable przez --presence-dot-border (codex Low: rozne
 * konteksty maja rozne tla — sidebar=ink-1, member panel=ink-2). */
.presence-dot {
    position: absolute;
    right: -2px;
    bottom: -2px;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    border: 2px solid var(--presence-dot-border, var(--ink-1));
    box-sizing: content-box;
    pointer-events: none;
}

/* ─── Sticker render (issue #28) ─────────────────────────────────────────── */

/* Sticker bubble bez tła i borderów — sam obrazek wystaje znaczy "klein
   sticker", nie zwykla wiadomosc. */
.msg-sticker-bubble {
    background: transparent !important;
    box-shadow: none !important;
    border: none !important;
    padding: 0 !important;
}

.msg-sticker {
    max-width: 160px;
    max-height: 160px;
    display: inline-block;
    cursor: default;
}

.msg-sticker img {
    max-width: 160px;
    max-height: 160px;
    width: auto;
    height: auto;
    display: block;
    object-fit: contain;
    /* Element/Cinny renderuje stickery przezroczyste — checker pattern dla
       widocznosci alpha channel na ciemnym backgroundzie. */
    background:
        linear-gradient(45deg, var(--ink-3) 25%, transparent 25%) 0 0,
        linear-gradient(-45deg, var(--ink-3) 25%, transparent 25%) 0 0,
        linear-gradient(45deg, transparent 75%, var(--ink-3) 75%) 0 0,
        linear-gradient(-45deg, transparent 75%, var(--ink-3) 75%) 0 0;
    background-size: 12px 12px;
    background-color: var(--ink-2);
    border-radius: var(--radius);
}

/* URL preview card — issue #39. Pod msg-body, klikalna (a href). */
.url-preview-card {
    display: flex;
    gap: 12px;
    margin-top: 6px;
    padding: 10px 12px;
    background: var(--ink-2);
    border: 1px solid var(--hairline-strong);
    border-left: 3px solid var(--amber);
    border-radius: var(--radius);
    text-decoration: none;
    color: var(--paper-1);
    /* Codex Low #6: width: min() zamiast samego max-width zeby narrow
     * viewport (mobile) nie wymuszal overflow parent. */
    width: min(100%, 420px);
    overflow: hidden;
    transition: background var(--transition);
}

.url-preview-card:hover {
    background: var(--ink-3);
    color: var(--paper-0);
}

.url-preview-thumb {
    width: 80px;
    height: 80px;
    flex-shrink: 0;
    object-fit: cover;
    border-radius: var(--radius-sm);
    background: var(--ink-3);
}

.url-preview-body {
    min-width: 0;
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 3px;
}

.url-preview-domain {
    font-size: 11px;
    color: var(--paper-3);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    font-family: var(--font-mono);
}

.url-preview-title {
    font-size: 13px;
    font-weight: 500;
    color: var(--paper-0);
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

.url-preview-desc {
    font-size: 12px;
    color: var(--paper-2);
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    line-height: 1.4;
}

/* Embed player (YouTube/Instagram/TikTok/X) — click-to-play. Poster + ▶ laduje
   iframe dopiero po kliknieciu (zero leaku do serwisu przy otwarciu pokoju). */
.embed-card {
    margin-top: 6px;
    width: min(100%, 420px);
    aspect-ratio: 16 / 9;
    border-radius: var(--radius);
    overflow: hidden;
    background: #000;
    border: 1px solid var(--hairline-strong);
    position: relative;
}
/* Rolki/shorts — format pionowy, wezsza karta zeby nie zabierala calej szerokosci. */
.embed-card.embed-vertical {
    aspect-ratio: 9 / 16;
    width: min(100%, 300px);
}
.embed-iframe {
    width: 100%;
    height: 100%;
    border: 0;
    display: block;
}
.embed-poster {
    width: 100%;
    height: 100%;
    border: 0;
    margin: 0;
    padding: 0;
    cursor: pointer;
    position: relative;
    background: linear-gradient(135deg, var(--ink-3), var(--ink-2));
    display: block;
}
.embed-thumb {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.85;
    transition: opacity var(--transition);
}
.embed-poster:hover .embed-thumb {
    opacity: 1;
}
.embed-play {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.55);
    color: #fff;
    display: grid;
    place-items: center;
    font-size: 22px;
    padding-left: 4px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.4);
    transition: background var(--transition), transform var(--transition);
}
.embed-poster:hover .embed-play {
    background: var(--amber);
    color: var(--ink-0);
    transform: translate(-50%, -50%) scale(1.06);
}
.embed-provider {
    position: absolute;
    left: 8px;
    bottom: 8px;
    font-size: 11px;
    font-family: var(--font-mono);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: #fff;
    background: rgba(0, 0, 0, 0.55);
    padding: 2px 8px;
    border-radius: 4px;
}

/* Read-by avatars row — issue #43. Stack overlap 24px, max 3 + "+N". */
.read-by-row {
    display: flex;
    align-items: center;
    gap: 2px;
    margin-top: 4px;
    padding-left: 2px;
    --presence-dot-border: var(--ink-1);
    /* avatary sa absolute via margin negative, container musi miec
     * height zeby flex layout nie sie kolapsowal */
    min-height: 18px;
}

.read-by-avatar {
    position: relative;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 9px;
    color: var(--ink-0);
    box-shadow: 0 0 0 1.5px var(--ink-1);
    overflow: hidden;
}

/* Negatywny margin = stack overlap. Pierwszy bez offset, kazdy nastepny
 * nalozony na poprzedni o ~6px. */
.read-by-avatar + .read-by-avatar {
    margin-left: -6px;
}

.read-by-more {
    margin-left: 4px;
    font-size: 10px;
    color: var(--paper-3);
    font-family: var(--font-mono);
    user-select: none;
}

/* ─────────────────────────────────────────────────────────────────────────
   Settings — editorial layout (System Settings / Linear-style).
   Reusable design system: .settings-* classes do uzytku tez w innych miejscach
   (room_details Actions tab itp.).
   ───────────────────────────────────────────────────────────────────────── */

.settings-page {
    height: 100%;
    display: grid;
    grid-template-columns: 240px 1fr;
    background: var(--ink-0);
    overflow: hidden;
}

.settings-sidebar {
    background: var(--ink-1);
    border-right: 1px solid var(--hairline);
    padding: 28px 16px 20px;
    display: flex;
    flex-direction: column;
    gap: 2px;
    overflow-y: auto;
}

.settings-sidebar-title {
    font-size: 11px;
    font-family: var(--font-mono);
    font-weight: 500;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--paper-3);
    padding: 0 14px 14px;
    margin: 0;
}

.settings-tab {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 9px 14px;
    border: none;
    background: transparent;
    color: var(--paper-2);
    font-size: 13.5px;
    font-weight: 500;
    text-align: left;
    border-radius: var(--radius);
    cursor: pointer;
    transition: background var(--transition), color var(--transition);
    width: 100%;
    box-shadow: none;
}

.settings-tab:hover {
    background: var(--ink-3);
    color: var(--paper-0);
    transform: none;
    box-shadow: none;
}

.settings-tab.active {
    background: var(--amber-soft);
    color: var(--amber);
}

.settings-tab.active:hover {
    background: var(--amber-soft);
    color: var(--amber);
}

.settings-tab-glyph {
    width: 18px;
    text-align: center;
    font-size: 14px;
    opacity: 0.85;
    flex-shrink: 0;
}

.settings-content {
    overflow-y: auto;
    padding: 40px 48px 64px;
    /* Centrowanie content z max-width — czytelnosc na duzych ekranach. */
}

.settings-content-inner {
    max-width: 620px;
    margin: 0 auto;
}

.settings-page-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 20px;
    margin-bottom: 36px;
}

.settings-page-title {
    margin: 0 0 4px;
    font-size: 24px;
    font-weight: 600;
    letter-spacing: -0.015em;
    color: var(--paper-0);
}

.settings-page-subtitle {
    margin: 0;
    font-size: 13px;
    color: var(--paper-3);
}

.settings-section {
    margin-bottom: 40px;
}

.settings-section:last-child {
    margin-bottom: 0;
}

.settings-section-header {
    margin-bottom: 14px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--hairline);
}

.settings-section-title {
    margin: 0;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--paper-3);
    font-family: var(--font-mono);
}

.settings-section-subtitle {
    margin: 6px 0 0;
    font-size: 12.5px;
    color: var(--paper-3);
    line-height: 1.5;
}

/* Option list — radio-like wide cards z label + description + indicator. */
.settings-option-list {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.settings-option {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 14px 16px;
    background: var(--ink-2);
    border: 1px solid var(--hairline-strong);
    border-radius: var(--radius);
    cursor: pointer;
    transition: border-color var(--transition), background var(--transition), transform var(--transition);
    text-align: left;
    width: 100%;
    color: var(--paper-1);
    font-family: inherit;
    font-size: inherit;
    box-shadow: none;
}

.settings-option:hover {
    border-color: var(--ink-5);
    background: var(--ink-3);
    transform: none;
    box-shadow: none;
}

.settings-option.active {
    border-color: var(--amber);
    background: var(--amber-soft);
}

.settings-option:disabled {
    opacity: 0.55;
    cursor: not-allowed;
}

.settings-option-body {
    display: flex;
    flex-direction: column;
    gap: 3px;
    min-width: 0;
    flex: 1;
}

.settings-option-label {
    font-size: 13.5px;
    font-weight: 600;
    color: var(--paper-0);
    letter-spacing: -0.005em;
}

.settings-option-desc {
    font-size: 12px;
    color: var(--paper-3);
    line-height: 1.45;
}

.settings-option-indicator {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    border: 1.5px solid var(--ink-5);
    flex-shrink: 0;
    position: relative;
    background: var(--ink-0);
    transition: border-color var(--transition);
}

.settings-option.active .settings-option-indicator {
    border-color: var(--amber);
}

.settings-option.active .settings-option-indicator::after {
    content: "";
    position: absolute;
    inset: 3.5px;
    background: var(--amber);
    border-radius: 50%;
}

/* Field — group label+input z generous spacing. */
.settings-field-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-bottom: 18px;
}

.settings-field-group:last-child {
    margin-bottom: 0;
}

.settings-field-label {
    font-size: 12px;
    font-weight: 500;
    color: var(--paper-2);
    letter-spacing: 0.02em;
}

.settings-field-help {
    font-size: 12px;
    color: var(--paper-3);
    margin-top: 4px;
    line-height: 1.45;
}

/* Inline action row — np. "Posluchaj: wiadomosc" preview buttons. */
.settings-inline-actions {
    display: flex;
    gap: 8px;
    margin-top: 14px;
    flex-wrap: wrap;
}

.settings-inline-action {
    background: var(--ink-2);
    color: var(--paper-2);
    border: 1px solid var(--hairline-strong);
    padding: 6px 12px;
    font-size: 12px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: background var(--transition), color var(--transition);
    box-shadow: none;
}

.settings-inline-action:hover {
    background: var(--ink-3);
    color: var(--paper-0);
    transform: none;
    box-shadow: none;
}

/* Alert / message — subtle, contextual. */
.settings-alert {
    padding: 10px 14px;
    border-radius: var(--radius);
    font-size: 12.5px;
    margin-bottom: 14px;
    border: 1px solid var(--hairline-strong);
    background: var(--ink-2);
    color: var(--paper-1);
}

.settings-alert.ok {
    background: var(--moss-soft);
    color: var(--moss);
    border-color: var(--moss);
}

.settings-alert.error {
    background: rgba(239, 68, 68, 0.08);
    color: var(--vermilion);
    border-color: var(--vermilion);
}

/* Avatar preview big — w sekcji Profil. */
.settings-avatar-preview {
    width: 96px;
    height: 96px;
    border-radius: 50%;
    object-fit: cover;
    border: 1px solid var(--hairline-strong);
    background: var(--ink-3);
}

.settings-avatar-placeholder {
    width: 96px;
    height: 96px;
    border-radius: 50%;
    background: var(--ink-3);
    color: var(--paper-3);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    border: 1px dashed var(--ink-5);
    text-align: center;
    padding: 8px;
}

/* Responsive */
@media (max-width: 920px) {
    .app-shell { grid-template-columns: 80px 1fr; }
    .sidebar-brand .brand-name, .row-content, .row-time, .sidebar-search, .sidebar-section { display: none; }
    .row { grid-template-columns: 36px; justify-content: center; }
    .thread-panel { display: none; }

    .settings-page { grid-template-columns: 160px 1fr; }
    .settings-content { padding: 28px 24px 48px; }
    .settings-sidebar { padding: 20px 10px; }
}

/* Issue #25: voice messages. */
.composer-actions .recording-active {
    background: rgba(220, 0, 0, 0.15);
    color: #ff3a3a;
    animation: voice-pulse 1.2s infinite;
}
@keyframes voice-pulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(255, 58, 58, 0.6); }
    50% { box-shadow: 0 0 0 6px rgba(255, 58, 58, 0); }
}
.msg-voice-wrap {
    display: inline-flex;
    flex-direction: column;
    gap: 4px;
    max-width: 360px;
}
.msg-voice-audio {
    width: 100%;
    max-width: 340px;
    height: 32px;
}
.msg-voice-meta {
    display: flex;
    align-items: center;
    font-size: 12px;
    color: var(--paper-2);
    gap: 6px;
}
.msg-voice-duration {
    font-family: var(--font-mono);
    font-size: 11px;
    opacity: 0.85;
}
.msg-voice-waveform-wrap svg {
    display: block;
    max-width: 280px;
}
.msg-voice-loading {
    display: inline-flex;
    align-items: center;
    padding: 6px 10px;
    border-radius: var(--radius);
    background: var(--ink-2);
}

/* Issue #47: call modal status pulse animation. */
.call-status-pulse {
    animation: call-pulse 1.4s infinite;
}
@keyframes call-pulse {
    0%, 100% { opacity: 0.7; }
    50% { opacity: 1.0; }
}
@media (prefers-reduced-motion: reduce) {
    .call-status-pulse {
        animation: none;
        opacity: 0.85;
    }
}

/* Issue #48: video call layout. */
.call-video-stage {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 9;
    background: #000;
    border-radius: var(--radius);
    overflow: hidden;
    margin: 12px 0;
}
.call-remote-video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.call-local-video {
    position: absolute;
    bottom: 10px;
    right: 10px;
    width: 25%;
    max-width: 160px;
    min-width: 90px;
    aspect-ratio: 4 / 3;
    object-fit: cover;
    border: 2px solid rgba(255,255,255,0.5);
    border-radius: var(--radius);
    background: var(--ink-3);
    box-shadow: 0 2px 8px rgba(0,0,0,0.5);
}
@media (max-width: 600px) {
    .call-video-stage { aspect-ratio: 3 / 4; }
    .call-local-video { width: 30%; }
}

/* ===== Group call / lajw (LiveKit, Etap 4) ===== */
.live-call-overlay {
    position: fixed; inset: 0; z-index: 1000;
    background: rgba(0,0,0,0.85);
    display: flex; align-items: center; justify-content: center;
}
.live-call {
    width: min(1100px, 96vw); height: min(800px, 94vh);
    background: var(--ink-1); border: 1px solid var(--hairline-strong);
    border-radius: var(--radius);
    display: grid;
    grid-template-rows: 1fr auto auto;
    grid-template-columns: 1fr 280px;
    gap: 10px; padding: 12px; overflow: hidden;
}
.live-spotlight {
    grid-row: 1; grid-column: 1;
    background: #000; border-radius: var(--radius);
    position: relative; overflow: hidden;
    display: flex; align-items: center; justify-content: center;
}
.live-spotlight-media { width: 100%; height: 100%; }
.live-spotlight-media video { width: 100%; height: 100%; object-fit: contain; }
.live-spotlight-label {
    position: absolute; left: 8px; bottom: 8px;
    background: rgba(0,0,0,0.6); color: #fff; padding: 2px 8px;
    border-radius: 4px; font-size: 12px;
}
.live-spotlight-empty { color: var(--paper-3); font-size: 14px; padding: 24px; text-align: center; }
.live-roster {
    grid-row: 1 / 3; grid-column: 2;
    background: var(--ink-2); border-radius: var(--radius);
    padding: 10px; overflow-y: auto;
}
.live-roster-title { font-weight: 600; margin-bottom: 8px; font-size: 13px; }
.live-roster-row {
    display: flex; align-items: center; justify-content: space-between;
    gap: 6px; padding: 4px 0; font-size: 13px;
    border-bottom: 1px solid var(--hairline);
}
.live-roster-name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.live-roster-actions { display: flex; gap: 2px; flex-shrink: 0; }
.live-thumbs {
    grid-row: 2; grid-column: 1;
    display: flex; gap: 8px; overflow-x: auto; height: 90px;
}
.live-thumb {
    position: relative; width: 120px; height: 90px; flex-shrink: 0;
    background: #000; border-radius: 6px; overflow: hidden;
    border: 2px solid transparent;
}
.live-thumb.speaking { border-color: var(--moss); }
.live-thumb-media { width: 100%; height: 100%; }
.live-thumb-media video { width: 100%; height: 100%; object-fit: cover; }
.live-thumb-label {
    position: absolute; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0.6); color: #fff; font-size: 10px;
    padding: 2px 4px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.live-controls {
    grid-row: 3; grid-column: 1 / 3;
    display: flex; gap: 10px; justify-content: center; align-items: center;
    padding-top: 6px;
}
.live-ctrl {
    width: 48px; height: 48px; border-radius: 50%;
    border: 1px solid var(--hairline-strong); background: var(--ink-2);
    font-size: 20px; cursor: pointer;
}
.live-ctrl.on { background: var(--moss-soft); border-color: var(--moss); }
.live-ctrl.leave {
    width: auto; border-radius: 24px; padding: 0 18px;
    background: var(--danger, #c0392b); color: #fff; font-size: 14px;
}

/* ===== Galeria obrazków (multi-image grouping) ===== */
.msg-image-gallery {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 4px;
    max-width: 360px;
    margin-top: 4px;
}
/* 3+ obrazków: 3 kolumny */
.msg-image-gallery:has(.msg-gallery-tile:nth-child(3)) {
    grid-template-columns: repeat(3, 1fr);
}
.msg-gallery-tile {
    aspect-ratio: 1;
    overflow: hidden;
    border-radius: 8px;
    background: var(--ink-1);
    cursor: zoom-in;
}
.msg-gallery-tile img,
.msg-gallery-tile .msg-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}