/* Chat launcher shell widget — t1013 */
/* FAB + panel. Stilovi koriste CSS vars (dark/light via data-theme). */

/* ── FAB (floating action button) ─────────────────────────────────────────── */
.chat-launcher-fab {
    position: fixed;
    bottom: 1.5rem;
    right: 1.5rem;
    width: 3.25rem;
    height: 3.25rem;
    border-radius: 50%;
    border: none;
    background: var(--crud-primary, #2685f1);
    color: #fff;
    font-size: 1.35rem;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 1040;
    box-shadow: 0 4px 14px rgba(0, 0, 0, .22);
    transition: background 0.15s, box-shadow 0.15s, transform 0.12s;
    /* Accessibility: zivi target 44px+ */
    min-width: 44px;
    min-height: 44px;
    /* R2 t1: pointer-drag repositioning — stop touch scroll hijack while dragging. */
    touch-action: none;
}

/* ── Drag-to-reposition (R2 t1) ───────────────────────────────────────────── */
/* The panel header doubles as the drag handle; its buttons keep their own
   pointer cursor. During an active drag we kill transitions so the widget
   tracks the cursor 1:1 and block text selection. */
.chat-launcher-panel-header {
    cursor: grab;
    touch-action: none;
}
.chat-launcher-panel-header button {
    cursor: pointer;
}
.chat-launcher-fab.chat-dragging,
.chat-launcher-panel.chat-dragging {
    transition: none !important;
    user-select: none;
    cursor: grabbing;
}
.chat-launcher-panel.chat-dragging .chat-launcher-panel-header {
    cursor: grabbing;
}

.chat-launcher-fab:hover {
    background: var(--crud-primary-hover, #117df1);
    box-shadow: 0 6px 18px rgba(0, 0, 0, .28);
    transform: translateY(-1px);
}

.chat-launcher-fab:focus-visible {
    outline: 3px solid var(--crud-primary, #2685f1);
    outline-offset: 3px;
}

.chat-launcher-fab:active {
    transform: scale(0.95);
}

/* ── Unread badge na FAB ──────────────────────────────────────────────────── */
.chat-launcher-badge {
    position: absolute;
    top: -0.2rem;
    right: -0.2rem;
    min-width: 1.2rem;
    height: 1.2rem;
    padding: 0 0.3rem;
    border-radius: 0.6rem;
    background: var(--crud-danger, #dc3545);
    color: #fff;
    font-size: 0.7rem;
    font-weight: 700;
    line-height: 1.2rem;
    text-align: center;
    border: 2px solid var(--crud-bg, #fff);
    pointer-events: none;
}

/* ── Panel ────────────────────────────────────────────────────────────────── */
.chat-launcher-panel {
    position: fixed;
    bottom: 5.5rem;
    right: 1.5rem;
    width: 21rem;
    /* Definite height je obavezna: body je flex:1 1 0 (basis 0), pa se u
       auto-height flex koloni kolabira na 0px — vidi t1033. */
    height: min(70vh, 34rem);
    background: var(--crud-card-bg, #fff);
    border: 1px solid var(--crud-border, #d8e0e8);
    border-radius: 0.75rem;
    box-shadow: 0 8px 32px rgba(0, 0, 0, .18);
    z-index: 1039;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    opacity: 0;
    transform: translateY(8px) scale(0.97);
    transition: opacity 0.18s ease, transform 0.18s ease;
    pointer-events: none;
}

.chat-launcher-panel--open {
    opacity: 1;
    transform: translateY(0) scale(1);
    pointer-events: auto;
}

.chat-launcher-panel--closing {
    opacity: 0;
    transform: translateY(8px) scale(0.97);
    pointer-events: none;
}

/* ── Panel header ─────────────────────────────────────────────────────────── */
.chat-launcher-panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.85rem 1rem 0.75rem;
    border-bottom: 1px solid var(--crud-border, #d8e0e8);
    flex-shrink: 0;
}

.chat-launcher-panel-title {
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--crud-text, #1d2025);
}

.chat-launcher-panel-close {
    flex-shrink: 0;
}

/* ── Panel body (scrollable lista) ───────────────────────────────────────── */
.chat-launcher-panel-body {
    overflow-y: auto;
    flex: 1 1 0;
    min-height: 0;
}

/* ── Loading / empty / error ──────────────────────────────────────────────── */
.chat-launcher-loading {
    display: flex;
    justify-content: center;
    padding: 2rem;
}

.chat-launcher-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 100%;
    padding: 2.5rem 1.5rem;
    color: var(--crud-text-muted, #8a9099);
    text-align: center;
}

.chat-launcher-empty-icon {
    font-size: 2.5rem;
    margin-bottom: 0.75rem;
    opacity: 0.45;
}

.chat-launcher-empty p {
    margin: 0;
    font-size: 0.875rem;
}

/* ── Konverzacija item ────────────────────────────────────────────────────── */
.chat-conv-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    cursor: pointer;
    transition: background 0.1s;
    /* t1036: --crud-border-light/--crud-hover-bg NE POSTOJE u theme sistemu —
       fallback je bio svijetla boja i u dark temi (bijeli hover, sive granice).
       Koristimo stvarne tokene iz crud-engine.css (rade light i dark). */
    border-bottom: 1px solid var(--crud-table-row-border, #e5ebf1);
}

.chat-conv-item:last-child {
    border-bottom: none;
}

.chat-conv-item:hover,
.chat-conv-item:focus-visible {
    background: var(--crud-table-hover, #f3f7fb);
    outline: none;
}

.chat-conv-item:focus-visible {
    box-shadow: inset 0 0 0 2px var(--crud-primary, #2685f1);
}

.chat-conv-item--unread .chat-conv-name {
    font-weight: 600;
}

.chat-conv-item--unread .chat-conv-preview {
    color: var(--crud-text, #1d2025);
}

/* ── Avatar inicijal ──────────────────────────────────────────────────────── */
.chat-conv-avatar {
    width: 2.25rem;
    height: 2.25rem;
    border-radius: 50%;
    background: var(--crud-primary-light, #cee6ff);
    color: var(--crud-primary, #2685f1);
    font-weight: 700;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

/* ── Tekst info ───────────────────────────────────────────────────────────── */
.chat-conv-info {
    flex: 1 1 0;
    min-width: 0;
}

.chat-conv-name {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--crud-text, #1d2025);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.chat-conv-preview {
    font-size: 0.78rem;
    color: var(--crud-text-muted, #8a9099);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* ── Meta (vrijeme + badge) ───────────────────────────────────────────────── */
.chat-conv-meta {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 0.25rem;
    flex-shrink: 0;
}

.chat-conv-time {
    font-size: 0.72rem;
    color: var(--crud-text-muted, #8a9099);
    white-space: nowrap;
}

.chat-conv-badge {
    min-width: 1.1rem;
    height: 1.1rem;
    padding: 0 0.3rem;
    border-radius: 0.55rem;
    background: var(--crud-primary, #2685f1);
    color: var(--crud-text-on-primary, #fff);
    font-size: 0.68rem;
    font-weight: 700;
    line-height: 1.1rem;
    text-align: center;
}

/* ── Dark mode (data-theme=dark) ──────────────────────────────────────────── */
[data-theme="dark"] .chat-launcher-fab {
    box-shadow: 0 4px 14px rgba(0, 0, 0, .45);
}

[data-theme="dark"] .chat-launcher-panel {
    box-shadow: 0 8px 32px rgba(0, 0, 0, .4);
}

/* t1036: dark primary (#58a1f4) je svijetao — bijeli tekst na njemu pada na
   ~2.6:1. Na malim badge brojkama koristimo tamni tekst (--crud-bg #1e2125). */
[data-theme="dark"] .chat-conv-badge,
[data-theme="dark"] .chat-launcher-badge {
    color: var(--crud-bg, #1e2125);
}

/* Isti razlog: ikona na FAB/send dugmetu u dark = tamna na svijetlom primary */
[data-theme="dark"] .chat-launcher-fab,
[data-theme="dark"] .chat-composer-send {
    color: var(--crud-bg, #1e2125);
}

[data-theme="dark"] .chat-launcher-badge {
    background: var(--crud-danger, #f87171);
}

/* ── Mobile responsive ────────────────────────────────────────────────────── */
@media (max-width: 480px) {
    .chat-launcher-panel {
        right: 0.5rem;
        left: 0.5rem;
        width: auto;
        bottom: 5rem;
    }

    .chat-launcher-fab {
        bottom: 1rem;
        right: 1rem;
    }
}

/* ── Reduce motion ────────────────────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
    .chat-launcher-fab,
    .chat-launcher-panel {
        transition: none;
    }
}

/* ════════════════════════════════════════════════════════════════════════════ */
/* t1014: Panel header — back + new-chat buttons                               */
/* ════════════════════════════════════════════════════════════════════════════ */

.chat-launcher-panel-header {
    gap: 0.5rem;
}

.chat-launcher-panel-actions {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    flex-shrink: 0;
}

/* t1034: jedinstven stil za SVA header dugmad (back, new-group, new-chat, close).
   Ranije: back/new-chat ad-hoc 28px, close Bootstrap btn-close — tri razlicita
   izgleda u istom redu. Sad: 32px kvadrat, isti radius/hover/focus, dark/light. */
.chat-header-btn {
    background: none;
    border: none;
    width: 2rem;
    height: 2rem;
    padding: 0;
    color: var(--crud-text-muted, #8a9099);
    cursor: pointer;
    border-radius: 0.5rem;
    line-height: 1;
    font-size: 0.95rem;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.12s, color 0.12s;
}

.chat-header-btn:hover {
    background: var(--crud-btn-hover, #e8eff5);
    color: var(--crud-primary, #2685f1);
}

.chat-header-btn:active {
    background: var(--crud-primary-light, #cee6ff);
}

.chat-header-btn:focus-visible {
    outline: 2px solid var(--crud-primary, #2685f1);
    outline-offset: 1px;
}

/* Close ostaje neutralan na hover (nije primarna akcija) */
.chat-launcher-panel-close:hover {
    color: var(--crud-text, #1d2025);
}

/* Suptilni separator izmedju akcija i close dugmeta */
.chat-header-divider {
    width: 1px;
    height: 1.1rem;
    background: var(--crud-border, #d8e0e8);
    margin: 0 0.15rem;
    flex-shrink: 0;
}

/* t1036: dark override za header dugmad vise ne treba —
   --crud-btn-hover i --crud-primary-light imaju svoje dark vrijednosti. */

/* ── Thread container ─────────────────────────────────────────────────────── */

.chat-thread-container {
    display: flex;
    flex-direction: column;
    height: 100%;
    min-height: 0;
    overflow: hidden;
}

/* "Ucitaj starije" strip */
.chat-thread-load-older-wrap {
    flex-shrink: 0;
    text-align: center;
    padding: 0.4rem 0.75rem;
    border-bottom: 1px solid var(--crud-table-row-border, #e5ebf1);
}

.chat-thread-load-older-btn {
    background: none;
    border: 1px solid var(--crud-border, #d8e0e8);
    border-radius: 1rem;
    padding: 0.2rem 0.9rem;
    font-size: 0.75rem;
    color: var(--crud-text-muted, #8a9099);
    cursor: pointer;
    transition: background 0.1s, color 0.1s;
}

.chat-thread-load-older-btn:hover {
    background: var(--crud-btn-hover, #e8eff5);
    color: var(--crud-primary, #2685f1);
}

.chat-thread-load-older-btn:focus-visible {
    outline: 2px solid var(--crud-primary, #2685f1);
    outline-offset: 2px;
}

.chat-thread-load-older-btn:disabled {
    opacity: 0.55;
    cursor: default;
}

/* ── Messages scroll area ─────────────────────────────────────────────────── */

.chat-thread-messages {
    flex: 1 1 0;
    min-height: 0;
    overflow-y: auto;
    padding: 0.75rem 0.75rem 0.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
    scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
    .chat-thread-messages {
        scroll-behavior: auto;
    }
}

.chat-thread-empty {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--crud-text-muted, #8a9099);
    font-size: 0.82rem;
    text-align: center;
    padding: 1rem;
}

/* ── Timestamp separator ──────────────────────────────────────────────────── */

.chat-msg-stamp {
    align-self: center;
    font-size: 0.66rem;
    font-weight: 500;
    color: var(--crud-text-muted, #8a9099);
    margin: 0.65rem 0 0.3rem;
    letter-spacing: 0.02em;
    /* t1034: pill umjesto golog teksta — jasnije odvaja vremenske grupe.
       t1036: --crud-bg-subtle ne postoji; --crud-btn-bg je pravi token
       (svijetlo siva u light, #232b33 u dark — vidljiv pill na oba). */
    background: var(--crud-btn-bg, #f1f5f8);
    border-radius: 0.75rem;
    padding: 0.12rem 0.6rem;
}

/* ── Loading / error inline ───────────────────────────────────────────────── */

.chat-loading-center {
    display: flex;
    justify-content: center;
    padding: 2rem;
}

.chat-msg-error {
    text-align: center;
    padding: 0.75rem 1rem;
}

/* ── Bubbles ──────────────────────────────────────────────────────────────── */

.chat-bubble {
    display: flex;
    flex-direction: column;
    max-width: 80%;
    margin-bottom: 0.1rem;
}

.chat-bubble--me {
    align-self: flex-end;
    align-items: flex-end;
}

.chat-bubble--peer {
    align-self: flex-start;
    align-items: flex-start;
}

.chat-bubble-body {
    padding: 0.45rem 0.7rem;
    border-radius: 1rem;
    font-size: 0.85rem;
    line-height: 1.45;
    word-break: break-word;
    white-space: pre-wrap;
}

.chat-bubble--me .chat-bubble-body {
    background: var(--crud-primary, #2685f1);
    color: var(--crud-text-on-primary, #fff);
    border-bottom-right-radius: 0.25rem;
}

.chat-bubble--peer .chat-bubble-body {
    background: var(--crud-btn-bg, #f1f5f8);
    color: var(--crud-text, #1d2025);
    border-bottom-left-radius: 0.25rem;
}

/* t1034: ime posiljaoca iznad tudjih bubble-a u grupnom threadu */
.chat-bubble-sender {
    font-size: 0.68rem;
    font-weight: 600;
    color: var(--crud-primary, #2685f1);
    margin-bottom: 0.12rem;
    padding: 0 0.25rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 100%;
}

.chat-bubble-time {
    font-size: 0.65rem;
    color: var(--crud-text-muted, #8a9099);
    margin-top: 0.15rem;
    padding: 0 0.25rem;
    opacity: 0.85;
}

/* t1034: uzastopne poruke istog smjera bez razmaka djeluju zalijepljeno — malo zraka */
.chat-bubble + .chat-bubble {
    margin-top: 0.2rem;
}

/* ── Dark mode bubbles ────────────────────────────────────────────────────── */

/* t1036: moj bubble u dark — dark primary (#58a1f4) + bijeli tekst = ~2.6:1
   FAIL. Dublja plava (--crud-primary-light dark = #1a3a5c) + svijetli tekst
   drzi "plavo = moje" identitet uz ~9:1 kontrast. Peer bubble radi kroz
   --crud-btn-bg (#232b33), vidljiv na panelu (#1c2128) — override ne treba. */
[data-theme="dark"] .chat-bubble--me .chat-bubble-body {
    background: var(--crud-primary-light, #1a3a5c);
    color: var(--crud-text, #e4e6e8);
}

/* ── Composer ─────────────────────────────────────────────────────────────── */

.chat-composer-error {
    font-size: 0.78rem;
    color: var(--crud-danger, #dc3545);
    padding: 0.25rem 0.75rem 0;
    flex-shrink: 0;
}

.chat-composer {
    display: flex;
    align-items: flex-end;
    gap: 0.4rem;
    padding: 0.5rem 0.65rem 0.6rem;
    border-top: 1px solid var(--crud-border, #d8e0e8);
    flex-shrink: 0;
    background: var(--crud-card-bg, #fff);
}

.chat-composer-input {
    flex: 1 1 0;
    resize: none;
    border: 1px solid var(--crud-border, #d8e0e8);
    border-radius: 1rem;
    padding: 0.45rem 0.75rem;
    font-size: 0.85rem;
    line-height: 1.4;
    background: var(--crud-input-bg, #f5f8fb);
    color: var(--crud-text, #1d2025);
    overflow-y: hidden;
    min-height: 2.2rem;
    max-height: 6rem;
    transition: border-color 0.12s;
}

.chat-composer-input::placeholder {
    color: var(--crud-text-muted, #8a9099);
}

.chat-composer-input:focus {
    outline: none;
    border-color: var(--crud-primary, #2685f1);
    box-shadow: var(--crud-input-focus-shadow, 0 0 0 2px rgba(38, 133, 241, 0.12));
}

.chat-composer-send {
    flex-shrink: 0;
    width: 2.2rem;
    height: 2.2rem;
    border-radius: 50%;
    border: none;
    background: var(--crud-primary, #2685f1);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 0.9rem;
    transition: background 0.12s, opacity 0.12s;
    /* a11y: minimum target 44px — via padding trick for small button */
    padding: 0.6rem;
    box-sizing: content-box;
    width: 1rem;
    height: 1rem;
}

.chat-composer-send:hover:not(:disabled) {
    background: var(--crud-primary-hover, #117df1);
}

.chat-composer-send:focus-visible {
    outline: 3px solid var(--crud-primary, #2685f1);
    outline-offset: 2px;
}

.chat-composer-send:disabled {
    opacity: 0.4;
    cursor: default;
}

/* ── Directory container ──────────────────────────────────────────────────── */

.chat-directory-container {
    display: flex;
    flex-direction: column;
    height: 100%;
    min-height: 0;
}

.chat-directory-search-wrap {
    flex-shrink: 0;
    padding: 0.5rem 0.75rem 0.4rem;
    border-bottom: 1px solid var(--crud-table-row-border, #e5ebf1);
}

.chat-directory-search {
    width: 100%;
    font-size: 0.82rem;
    /* t1036: Bootstrap form-control je bijeli i u dark temi — prebaci na
       theme tokene (isto kao composer input). */
    background: var(--crud-input-bg, #f5f8fb);
    color: var(--crud-text, #1d2025);
    border: 1px solid var(--crud-input-border, #d6e1ea);
}

.chat-directory-search::placeholder {
    color: var(--crud-input-placeholder, #8a9099);
}

.chat-directory-search:focus {
    background: var(--crud-input-bg, #f5f8fb);
    color: var(--crud-text, #1d2025);
    border-color: var(--crud-primary, #2685f1);
    box-shadow: var(--crud-input-focus-shadow, 0 0 0 2px rgba(38, 133, 241, 0.12));
}

.chat-directory-list {
    overflow-y: auto;
    flex: 1 1 0;
    min-height: 0;
}

/* ── Directory user item (reuses chat-conv-item layout) ──────────────────── */

.chat-dir-user-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.65rem 1rem;
    cursor: pointer;
    transition: background 0.1s;
    border-bottom: 1px solid var(--crud-table-row-border, #e5ebf1);
    position: relative;
}

.chat-dir-user-item:last-child {
    border-bottom: none;
}

.chat-dir-user-item:hover,
.chat-dir-user-item:focus-visible {
    background: var(--crud-table-hover, #f3f7fb);
    outline: none;
}

.chat-dir-user-item:focus-visible {
    box-shadow: inset 0 0 0 2px var(--crud-primary, #2685f1);
}

/* Online / offline presence dot */
.chat-dir-online-dot,
.chat-dir-offline-dot {
    width: 0.55rem;
    height: 0.55rem;
    border-radius: 50%;
    flex-shrink: 0;
    margin-left: auto;
}

.chat-dir-online-dot {
    background: var(--crud-admin-success, #22c55e);
    box-shadow: 0 0 0 2px var(--crud-card-bg, #fff);
}

.chat-dir-offline-dot {
    background: var(--crud-border-strong, #c8d2dc);
}

/* t1036: dark override za composer/input/online-dot uklonjen — bazna pravila
   vec koriste --crud-card-bg/--crud-input-bg/--crud-border koji imaju svoje
   dark vrijednosti u crud-engine.css; duplirani override je samo drift-rizik. */

/* ── Panel height + scroll override — when thread/directory active ──────────── */
/* Panel body scroll delegira na interni scroll container unutar thread/directory */

.chat-launcher-panel.chat-panel--thread-active .chat-launcher-panel-body {
    overflow: hidden;
}

.chat-launcher-panel.chat-panel--extended {
    height: min(80vh, 40rem);
}

@media (max-width: 480px) {
    .chat-thread-messages {
        padding: 0.5rem 0.5rem 0.4rem;
    }

    .chat-composer {
        padding: 0.4rem 0.5rem 0.5rem;
    }
}