/* Messanger panel - right overlay. Open/close pres transform aby fungovalo s libovolnou width. */
.sfp-messanger-panel {
    position: fixed;
    top: 0;
    right: 0;
    width: 320px;
    height: 100vh;
    background: #fff;
    box-shadow: -2px 0 8px rgba(0,0,0,.15);
    z-index: 1050;
    display: flex;
    flex-direction: column;
    transform: translateX(100%);
    transition: transform 0.3s ease;
    font-size: 14px;
}

.sfp-messanger-panel.open {
    transform: translateX(0);
}

/* Resize handle na levem okraji panelu - drag pro zmenu sirky.
   Hover/active stav zvyrazni handle modrou. Aktivuje se TS handlerem. */
.sfp-messanger-panel__resize-handle {
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    cursor: col-resize;
    background: transparent;
    z-index: 2;
    transition: background 0.15s;
}

.sfp-messanger-panel__resize-handle:hover,
.sfp-messanger-panel.is-resizing .sfp-messanger-panel__resize-handle {
    background: rgba(92, 107, 192, 0.5);
}

.sfp-messanger-panel.is-resizing {
    transition: none;
    user-select: none;
}

/* Header — pozadi se nastavuje podle body theme classy:
   - body.theme-white-lmtl4 -> #5C6BC0 indigo (sjednoceno s app navbar bg-indigo-lmtl4)
   - body.theme-dark-lmtl4  -> #252B36 (sjednoceno s app navbar v dark themu) */
.sfp-messanger-panel__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    border-bottom: 1px solid #e5e5e5;
    color: #fff;
    flex-shrink: 0;
}

body.theme-white-lmtl4 .sfp-messanger-panel__header {
    background-color: #5C6BC0;
}

body.theme-dark-lmtl4 .sfp-messanger-panel__header {
    background-color: #252B36;
}

.sfp-messanger-panel__title {
    font-weight: 600;
    font-size: 15px;
}

.sfp-messanger-panel__close {
    background: none;
    border: none;
    color: #fff;
    cursor: pointer;
    padding: 4px;
    line-height: 1;
    font-size: 18px;
    opacity: .8;
}

.sfp-messanger-panel__close:hover { opacity: 1; }

/* Tabs */
.sfp-messanger-panel__tabs {
    display: flex;
    border-bottom: 1px solid #e5e5e5;
    flex-shrink: 0;
}

.sfp-messanger-panel__tab {
    flex: 1;
    padding: 10px;
    border: none;
    background: none;
    cursor: pointer;
    color: #666;
    font-size: 13px;
    border-bottom: 2px solid transparent;
}

.sfp-messanger-panel__tab.active {
    color: #5C6BC0;
    border-bottom-color: #5C6BC0;
    font-weight: 600;
}

/* Tab content */
.sfp-messanger-panel__tab-content {
    flex: 1;
    overflow-y: auto;
    padding: 8px;
    position: relative;
}

/* Search */
.sfp-messanger-search {
    padding: 6px 0 4px;
}

.sfp-messanger-search .form-control {
    font-size: 13px;
    border-radius: 20px;
    padding-left: 12px;
}

/* User list */
.sfp-messanger-user-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.sfp-messanger-user-item {
    display: flex;
    align-items: center;
    padding: 8px;
    border-radius: 6px;
    cursor: pointer;
    gap: 8px;
}

.sfp-messanger-user-item:hover {
    background: #f5f5f5;
}

.sfp-messanger-user-item__avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: #5C6BC0;
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 600;
    flex-shrink: 0;
}

.sfp-messanger-user-item__info {
    flex: 1;
    min-width: 0;
}

.sfp-messanger-user-item__name {
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.sfp-messanger-user-item__status {
    font-size: 11px;
    color: #999;
}

.sfp-messanger-presence-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
}

.sfp-messanger-presence-dot.online { background: #28a745; }
.sfp-messanger-presence-dot.offline { background: #ccc; }

/* Unread badge u uživatele */
.sfp-messanger-user-unread {
    min-width: 18px;
    height: 18px;
    border-radius: 9px;
    background: #dc3545;
    color: #fff;
    font-size: 10px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 4px;
    flex-shrink: 0;
}

.sfp-messanger-user-item__actions {
    display: flex;
    gap: 4px;
    opacity: 0;
    transition: opacity .15s;
    flex-shrink: 0;
}

/* Pro offline uzivatele zustavaji audio/video buttony v DOM jako neviditelne placeholdery —
   chat icon + presence dot pak nezmeni pozici pri prepnuti online/offline. */
.sfp-messanger-user-item__actions .is-hidden-placeholder {
    visibility: hidden;
    pointer-events: none;
}

.sfp-messanger-user-item:hover .sfp-messanger-user-item__actions {
    opacity: 1;
}

.sfp-messanger-user-item__actions .btn {
    padding: 3px 6px;
    font-size: 13px;
    line-height: 1;
}

/* Room list */
.sfp-messanger-room-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.js-room-item {
    padding: 8px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 13px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.js-room-item:hover {
    background: #f5f5f5;
}

.js-room-item .js-room-name {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.sfp-messanger-room-unread {
    min-width: 18px;
    height: 18px;
    border-radius: 9px;
    background: #dc3545;
    color: #fff;
    font-size: 10px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 5px;
    flex-shrink: 0;
}

/* Chat view */
.sfp-messanger-chat {
    display: flex;
    flex-direction: column;
    position: absolute;
    inset: 0;
    background: #fff;
    padding: 8px;
    z-index: 1;
}

.sfp-messanger-chat__header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding-bottom: 8px;
    border-bottom: 1px solid #eee;
    margin-bottom: 8px;
    flex-shrink: 0;
}

.sfp-messanger-chat__back {
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    color: #333;
    font-size: 16px;
}

.sfp-messanger-chat__name {
    flex: 1;
    font-weight: 600;
    font-size: 14px;
}

.sfp-messanger-chat__actions {
    display: flex;
    gap: 4px;
}

/* Search bar v chat hlavicce — input + close, zobrazeno po kliknuti na lupu. */
.sfp-messanger-chat__search {
    display: flex;
    gap: 4px;
    padding: 6px 0;
    align-items: center;
    flex-shrink: 0;
}

.sfp-messanger-chat__search input {
    flex: 1;
    font-size: 13px;
}

/* Search results panel — overlay nad messages, scrollovatelny. */
.sfp-messanger-chat__search-results {
    flex: 1;
    overflow-y: auto;
    min-height: 0;
    padding: 4px 0;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.sfp-messanger-search-result {
    padding: 6px 8px;
    border-radius: 4px;
    cursor: pointer;
    background: rgba(0, 0, 0, 0.04);
    font-size: 12px;
}

.sfp-messanger-search-result:hover {
    background: rgba(0, 0, 0, 0.08);
}

.sfp-messanger-search-result__header {
    display: flex;
    justify-content: space-between;
    font-size: 11px;
    color: rgba(0, 0, 0, 0.55);
    margin-bottom: 2px;
}

.sfp-messanger-search-result__sender {
    font-weight: 600;
}

.sfp-messanger-search-result__content {
    color: rgba(0, 0, 0, 0.85);
    word-wrap: break-word;
    white-space: pre-wrap;
}

.sfp-messanger-search-result__content mark {
    background: rgba(255, 213, 0, 0.55);
    padding: 0 1px;
}

.sfp-messanger-search-empty {
    text-align: center;
    color: rgba(0, 0, 0, 0.45);
    font-size: 12px;
    padding: 16px 8px;
    font-style: italic;
}

body.theme-dark-lmtl4 .sfp-messanger-search-result {
    background: rgba(255, 255, 255, 0.05);
}

body.theme-dark-lmtl4 .sfp-messanger-search-result:hover {
    background: rgba(255, 255, 255, 0.10);
}

body.theme-dark-lmtl4 .sfp-messanger-search-result__header {
    color: rgba(255, 255, 255, 0.55);
}

body.theme-dark-lmtl4 .sfp-messanger-search-result__content {
    color: rgba(255, 255, 255, 0.85);
}

body.theme-dark-lmtl4 .sfp-messanger-search-empty {
    color: rgba(255, 255, 255, 0.45);
}

/* Highlight zpravy v chat history po kliknuti na search vysledek. */
@keyframes sfpMessangerHighlightFlash {
    0% { background: rgba(255, 213, 0, 0.6); }
    100% { background: transparent; }
}

.chat-message--highlighted {
    animation: sfpMessangerHighlightFlash 1.6s ease-out;
}

/* Spinner pri nacitani starsich zprav (paging nahoru). */
.sfp-messanger-history-loading {
    display: flex;
    justify-content: center;
    padding: 8px 0;
    font-size: 18px;
    color: rgba(0, 0, 0, 0.4);
    flex-shrink: 0;
}

body.theme-dark-lmtl4 .sfp-messanger-history-loading {
    color: rgba(255, 255, 255, 0.4);
}

.sfp-messanger-chat__messages {
    flex: 1;
    overflow-y: auto;
    min-height: 0;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
    padding: 4px 0;
}

.chat-message {
    padding: 6px 10px;
    border-radius: 8px;
    max-width: 90%;
    min-width: 140px;
    word-break: break-word;
}

.chat-message--other {
    background: #f0f0f0;
    align-self: flex-start;
    border-bottom-left-radius: 2px;
}

.chat-message--mine {
    background: #5C6BC0;
    color: #fff;
    align-self: flex-end;
    border-bottom-right-radius: 2px;
}

.chat-message.deleted {
    opacity: .5;
    font-style: italic;
}

.chat-message__header {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: 8px;
    margin-bottom: 2px;
}

.chat-sender {
    font-weight: 600;
    font-size: 12px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    min-width: 0;
}

.chat-time {
    font-size: 11px;
    color: #999;
    white-space: nowrap;
    flex-shrink: 0;
}

.chat-message--mine .chat-time {
    color: rgba(255,255,255,.65);
}

.chat-message--mine .chat-sender {
    color: rgba(255,255,255,.85);
}

.chat-content {
    margin: 0;
    word-break: break-word;
    font-size: 13px;
    /* Zachovat newlines (\n z textarea) ale wrap dlouhych radek. */
    white-space: pre-wrap;
}

.sfp-messanger-chat__typing {
    font-size: 11px;
    color: #999;
    padding: 2px 0;
    min-height: 16px;
    flex-shrink: 0;
}

.sfp-messanger-chat__input {
    display: flex;
    gap: 6px;
    padding-top: 8px;
    border-top: 1px solid #eee;
    flex-shrink: 0;
    align-items: flex-end;
}

.sfp-messanger-chat__input .form-control {
    flex: 1;
    font-size: 13px;
}

/* Textarea pro zpravu — Teams-like: start 1 radek, auto-resize pres JS pri psani / Shift+Enter,
   max 12 radek pak scrollbar. Roztahuje se nahoru (chat__messages ma flex:1, chat__input flex-shrink:0). */
.sfp-messanger-chat__input textarea.js-messanger-msg-input {
    resize: none;
    overflow-y: auto;
    max-height: 260px; /* ~12 radek */
    line-height: 1.4;
}

/* Navbar toggle button */
.sfp-messanger-toggle-btn {
    position: relative;
}

.sfp-messanger-badge {
    position: absolute;
    top: 2px;
    right: 2px;
    background: #dc3545;
    color: #fff;
    font-size: 10px;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    align-items: center;
    justify-content: center;
    display: none;
}

.sfp-messanger-badge.visible {
    display: flex;
}

/* Group modal member list */
.sfp-messanger-group-member-list {
    list-style: none;
    padding: 0;
    margin: 0;
    max-height: 280px;
    overflow-y: auto;
    border: 1px solid #dee2e6;
    border-radius: 6px;
}

.sfp-messanger-group-member-item {
    padding: 6px 10px;
    border-bottom: 1px solid #f0f0f0;
}

.sfp-messanger-group-member-item:last-child {
    border-bottom: none;
}

/* Existujici clenove v edit modalu — checkbox je checked + disabled, zobrazujeme v ztlumenem stavu. */
.sfp-messanger-group-member-item.is-existing-member {
    opacity: 0.6;
}

.sfp-messanger-group-member-item.is-existing-member .sfp-messanger-group-member-label {
    cursor: not-allowed;
}

.sfp-messanger-group-member-label {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    margin: 0;
    width: 100%;
    font-weight: normal;
}

/* Override Bootstrap's position:absolute on form-check-input inside our flex label */
.sfp-messanger-group-member-label .form-check-input {
    position: static;
    margin-left: 0;
    flex-shrink: 0;
}

.sfp-messanger-group-member-label:hover {
    color: #5C6BC0;
}

.sfp-messanger-group-member-name {
    flex: 1;
    font-size: 14px;
}

.sfp-messanger-group-selected-count {
    font-size: 12px;
    margin-top: 6px;
    min-height: 18px;
}

/* ============================================
   Call Overlay
   ============================================ */

.call-overlay {
    position: fixed;
    z-index: 2000;
    bottom: 80px;
    right: 20px;
    width: 340px;
    background: #1a1a2e;
    color: #fff;
    border-radius: 16px;
    box-shadow: 0 8px 32px rgba(0,0,0,.4);
    overflow: hidden;
    font-size: 14px;
}

/* Příchozí / Odchozí hovor */
.call-overlay__incoming,
.call-overlay__outgoing {
    padding: 32px 24px;
    text-align: center;
}

.call-overlay__avatar {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: rgba(255,255,255,.1);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    margin: 0 auto 16px;
}

.call-overlay__caller-name {
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 8px;
}

.call-overlay__status {
    font-size: 13px;
    color: rgba(255,255,255,.55);
    margin-bottom: 24px;
}

.call-overlay__incoming-actions {
    display: flex;
    gap: 12px;
    justify-content: center;
}

/* Aktivní hovor */
.call-overlay__videos {
    position: relative;
    height: 200px;
    background: #000;
    overflow: hidden;
}

.call-overlay__remote-videos {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #111;
}

.call-overlay__remote-videos video {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.call-overlay__local-video {
    position: absolute;
    bottom: 8px;
    right: 8px;
    width: 80px;
    height: 60px;
    border-radius: 6px;
    object-fit: cover;
    border: 1px solid rgba(255,255,255,.3);
    z-index: 1;
    background: #333;
}

.call-overlay__controls {
    display: flex;
    gap: 8px;
    padding: 12px 16px;
    justify-content: center;
    align-items: center;
    background: #1a1a2e;
}

.call-overlay__ctrl-btn {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: rgba(255,255,255,.12);
    color: #fff;
    border: none;
    font-size: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    cursor: pointer;
    transition: background .15s;
}

.call-overlay__ctrl-btn:hover {
    background: rgba(255,255,255,.22);
    color: #fff;
}

.call-overlay__ctrl-btn.active {
    background: rgba(220,53,69,.5);
}

.call-overlay__ctrl-btn--hangup {
    background: #dc3545;
    width: 52px;
    height: 52px;
}

.call-overlay__ctrl-btn--hangup:hover {
    background: #c82333;
}


/* ============================================
   Dark theme overrides
   Aplikuje se kdyz <body> ma class .theme-dark-lmtl4
   White theme zustava na default stylech vyse.
   ============================================ */

body.theme-dark-lmtl4 .sfp-messanger-panel {
    background: #252B36;
    color: rgba(255, 255, 255, 0.85);
    box-shadow: -2px 0 12px rgba(0, 0, 0, 0.5);
}

body.theme-dark-lmtl4 .sfp-messanger-panel .sfp-messanger-panel__header {
    border-bottom-color: rgba(255, 255, 255, 0.08);
}

/* Tabs */
body.theme-dark-lmtl4 .sfp-messanger-panel .sfp-messanger-panel__tabs {
    border-bottom-color: rgba(255, 255, 255, 0.08);
}

body.theme-dark-lmtl4 .sfp-messanger-panel .sfp-messanger-panel__tab {
    color: rgba(255, 255, 255, 0.55);
}

body.theme-dark-lmtl4 .sfp-messanger-panel .sfp-messanger-panel__tab:hover {
    color: rgba(255, 255, 255, 0.85);
}

body.theme-dark-lmtl4 .sfp-messanger-panel .sfp-messanger-panel__tab.active {
    color: #fff;
    border-bottom-color: #5b8def;
}

/* Search input */
body.theme-dark-lmtl4 .sfp-messanger-panel .sfp-messanger-search .form-control {
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(255, 255, 255, 0.12);
    color: rgba(255, 255, 255, 0.9);
}

body.theme-dark-lmtl4 .sfp-messanger-panel .sfp-messanger-search .form-control::placeholder {
    color: rgba(255, 255, 255, 0.4);
}

body.theme-dark-lmtl4 .sfp-messanger-panel .sfp-messanger-search .form-control:focus {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(91, 141, 239, 0.5);
    color: #fff;
}

/* User & room items */
body.theme-dark-lmtl4 .sfp-messanger-panel .sfp-messanger-user-item:hover,
body.theme-dark-lmtl4 .sfp-messanger-panel .js-room-item:hover {
    background: rgba(255, 255, 255, 0.06);
}

body.theme-dark-lmtl4 .sfp-messanger-panel .sfp-messanger-user-item__status {
    color: rgba(255, 255, 255, 0.5);
}

body.theme-dark-lmtl4 .sfp-messanger-panel .sfp-messanger-presence-dot.offline {
    background: rgba(255, 255, 255, 0.25);
}

/* Chat view */
body.theme-dark-lmtl4 .sfp-messanger-panel .sfp-messanger-chat {
    background: #252B36;
    color: rgba(255, 255, 255, 0.85);
}

body.theme-dark-lmtl4 .sfp-messanger-panel .sfp-messanger-chat__header {
    border-bottom-color: rgba(255, 255, 255, 0.1);
}

body.theme-dark-lmtl4 .sfp-messanger-panel .sfp-messanger-chat__back {
    color: rgba(255, 255, 255, 0.85);
}

body.theme-dark-lmtl4 .sfp-messanger-panel .sfp-messanger-chat__back:hover {
    color: #fff;
}

/* Messages */
body.theme-dark-lmtl4 .sfp-messanger-panel .chat-message--other {
    background: rgba(255, 255, 255, 0.08);
    color: rgba(255, 255, 255, 0.9);
}

body.theme-dark-lmtl4 .sfp-messanger-panel .chat-message--other .chat-time {
    color: rgba(255, 255, 255, 0.5);
}

/* chat-message--mine zustava (#5C6BC0 + bily text) - sedi v obou tematech */

body.theme-dark-lmtl4 .sfp-messanger-panel .sfp-messanger-chat__typing {
    color: rgba(255, 255, 255, 0.5);
}

body.theme-dark-lmtl4 .sfp-messanger-panel .sfp-messanger-chat__input {
    border-top-color: rgba(255, 255, 255, 0.1);
}

body.theme-dark-lmtl4 .sfp-messanger-panel .sfp-messanger-chat__input .form-control {
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(255, 255, 255, 0.12);
    color: rgba(255, 255, 255, 0.9);
}

body.theme-dark-lmtl4 .sfp-messanger-panel .sfp-messanger-chat__input .form-control::placeholder {
    color: rgba(255, 255, 255, 0.4);
}

body.theme-dark-lmtl4 .sfp-messanger-panel .sfp-messanger-chat__input .form-control:focus {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(91, 141, 239, 0.5);
    color: #fff;
}

/* Modaly pro vytvoreni / editaci skupiny pouzivaji default Bootstrap modal styly
   v obou tematech (stejne jako SubFormControl). Zadne dark theme overrides. */