/* ================== */
/* Тёмная тема интерфейса */
/* ================== */
.dark-theme {
    /* Переменные для тёмной темы */
    --bg-color: #121212;
    --text-color: #e0e0e0;
    --header-bg: #1e1e1e;
    --sidebar-bg: #414749;
    --sidebar-text-color: #e0e0e0;
    --chat-header-bg: #323333;
    --chat-header-text: #ffffff;
    --chat-bg: #1c1c1c;
    --message-incoming-bg: #434d4b;
    --message-outgoing-bg: #2e3030;
    --bubble-text-color: #e0e0e0;
    --button-primary-bg: #3399ff;
    --button-primary-text: #121212;
    --button-secondary-bg: transparent;
    --button-secondary-text: #106cc7;
    --input-bg: #2a2a2a;
    --input-text-color: #e0e0e0;
    --modal-bg: #222222;
    --modal-shadow: rgba(0,0,0,0.7);
    --border-color: #444444;
    --link-color: #3399ff;
    --status-online-color: #d6cccc;
    --status-away-color: #ffb74d;
}

/* Уменьшенное затемнение на фоне основного чата */
.dark-theme #chat-container::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    background: rgba(0, 0, 0, 0.15);
    transition: background 0.3s ease;
}

/* Прозрачный фон самого #chat-container, только текст */
.dark-theme #chat-container {
    background-color: transparent !important;
    color: var(--text-color);
    transition: color 0.3s ease;
}

.dark-theme body,
.dark-theme html {
    background-color: var(--bg-color);
    color: var(--text-color);
    transition: background-color 0.3s, color 0.3s;
}

.dark-theme #sidebar {
    background-color: var(--sidebar-bg);
    color: var(--sidebar-text-color);
}

.dark-theme #sidebar-header {
    background-color: var(--sidebar-bg);
    border-bottom: 1px solid var(--border-color);
}

.dark-theme #sidebar-header h2,
.dark-theme #sidebar-header button {
    color: var(--sidebar-text-color);
}

.dark-theme #chat-list {
    background-color: var(--sidebar-bg);
}

.dark-theme .chat-item {
    border-bottom: 1px solid var(--border-color);
    color: var(--sidebar-text-color);
}

.dark-theme .chat-item:hover {
    background-color: rgba(255 255 255 / 0.1);
}

.dark-theme .chat-item.active {
    background-color: rgba(255 255 255 / 0.2);
}

.dark-theme .avatar-placeholder {
    background-color: var(--border-color);
}

.dark-theme #chat-header {
    background-color: var(--chat-header-bg);
    color: var(--chat-header-text);
    transition: background-color 0.3s, color 0.3s;
}

.dark-theme #header-left button#back-button,
.dark-theme #header-right button#admin-toggle {
    color: var(--chat-header-text);
}

.dark-theme #chat-status {
    color: var(--status-online-color);
}

.dark-theme #messages {
    background-color: var(--chat-bg);
    color: var(--text-color);
}

.dark-theme .message-date {
    color: var(--text-color);
    opacity: 0.7;
}

.dark-theme .message.incoming .bubble {
    background-color: var(--message-incoming-bg);
    color: var(--bubble-text-color);
}

.dark-theme .message.outgoing .bubble {
    background-color: var(--message-outgoing-bg);
    color: var(--bubble-text-color);
}

.dark-theme .meta {
    color: var(--text-color);
    opacity: 0.7;
}

.dark-theme #typing-indicator {
    color: var(--text-color);
}

.dark-theme .typing-animation span {
    background-color: var(--text-color);
}

.dark-theme #input-area {
    background-color: var(--header-bg);
    border-top: 1px solid var(--border-color);
}

.dark-theme #input-area button#attach-btn {
    color: var(--text-color);
}

.dark-theme #message-input {
    background-color: var(--input-bg);
    color: var(--input-text-color);
    border: 1px solid var(--border-color);
}

.dark-theme #send-btn {
    background-color: var(--button-primary-bg);
    color: var(--button-primary-text);
}

.dark-theme .modal {
    background-color: var(--modal-bg);
    box-shadow: 0 10px 40px var(--modal-shadow);
    color: var(--text-color);
    transition: background-color 0.3s, color 0.3s;
}

.dark-theme .modal .modal-content {
    background-color: var(--modal-bg);
    color: var(--text-color);
    padding: 20px 25px;
    border-radius: 12px;
    transition: background-color 0.3s, color 0.3s;
}

.dark-theme .primary-btn {
    background-color: var(--button-primary-bg);
    color: var(--button-primary-text);
    border: none;
}

.dark-theme .primary-btn:hover {
    filter: brightness(1.1);
}

.dark-theme .secondary-btn {
    background-color: var(--button-secondary-bg);
    color: var(--button-secondary-text);
    border: 1px solid var(--button-primary-bg);
}

.dark-theme .secondary-btn:hover {
    background-color: var(--button-primary-bg);
    color: var(--button-primary-text);
}

.dark-theme input[type="text"],
.dark-theme textarea,
.dark-theme select,
.dark-theme input[type="datetime-local"] {
    background-color: var(--input-bg);
    color: var(--input-text-color);
    border: 1px solid var(--border-color);
}

.dark-theme input[type="text"]:focus,
.dark-theme textarea:focus,
.dark-theme select:focus,
.dark-theme input[type="datetime-local"]:focus {
    outline: none;
    border-color: var(--button-primary-bg);
}

.dark-theme .admin-tabs button.tab {
    color: var(--text-color);
    border-bottom: 2px solid transparent;
}

.dark-theme .admin-tabs button.tab.active {
    color: var(--button-primary-bg);
    border-color: var(--button-primary-bg);
}

.dark-theme .status-online {
    color: var(--status-online-color);
}

.dark-theme .status-away {
    color: var(--status-away-color);
}

.dark-theme a {
    color: var(--link-color);
}

.dark-theme #chat-list::-webkit-scrollbar,
.dark-theme #messages::-webkit-scrollbar {
    width: 8px;
}

.dark-theme #chat-list::-webkit-scrollbar-thumb,
.dark-theme #messages::-webkit-scrollbar-thumb {
    background-color: var(--button-primary-bg);
    border-radius: 4px;
}

.dark-theme #chat-list::-webkit-scrollbar-track,
.dark-theme #messages::-webkit-scrollbar-track {
    background-color: transparent;
}

.dark-theme #chat-list,
.dark-theme #messages {
    scrollbar-width: thin;
    scrollbar-color: var(--button-primary-bg) transparent;
}


/* ================== */
/* Тёмная тема админ-панели */
/* ================== */
.admin-dark-theme {
    --admin-bg-color: #2a2a2a;
    --admin-text-color: #e0e0e0;
    --admin-header-bg: #3d3d3d;
    --admin-tab-bg: #333333;
    --admin-tab-active-bg: #4a90e2;
    --admin-tab-active-color: #ffffff;
    --admin-tab-color: #b3b3b3;
    --admin-border-color: #555555;
    --admin-button-primary-bg: #4a90e2;
    --admin-button-primary-color: #ffffff;
    --admin-button-secondary-bg: transparent;
    --admin-button-secondary-color: #4a90e2;
    --admin-input-bg: #3b3b3b;
    --admin-input-text-color: #e0e0e0;
    --admin-placeholder-color: #999999;
}

.admin-dark-theme #admin-panel {
    background-color: var(--admin-bg-color);
    color: var(--admin-text-color);
    transition: background-color 0.3s ease, color 0.3s ease;
}

.admin-dark-theme #admin-panel .admin-header {
    background-color: var(--admin-header-bg);
    color: var(--admin-text-color);
    border-bottom: 1px solid var(--admin-border-color);
}

.admin-dark-theme #admin-panel .close-btn {
    background: transparent;
    border: none;
    color: var(--admin-text-color);
    font-size: 22px;
    cursor: pointer;
    transition: color 0.2s ease;
}

.admin-dark-theme #admin-panel .close-btn:hover {
    color: var(--admin-button-primary-bg);
}

.admin-dark-theme #admin-panel .admin-tabs button.tab {
    background-color: var(--admin-tab-bg);
    color: var(--admin-tab-color);
    border: none;
    padding: 10px 20px;
    cursor: pointer;
    font-weight: 600;
    border-bottom: 3px solid transparent;
    transition: background-color 0.3s, color 0.3s, border-color 0.3s;
}

.admin-dark-theme #admin-panel .admin-tabs button.tab:hover {
    color: var(--admin-button-primary-bg);
}

.admin-dark-theme #admin-panel .admin-tabs button.tab.active {
    background-color: var(--admin-tab-active-bg);
    color: var(--admin-tab-active-color);
    border-bottom-color: var(--admin-button-primary-bg);
}

.admin-dark-theme #admin-panel .tab-content {
    background-color: var(--admin-bg-color);
    padding: 15px;
    border: 1px solid var(--admin-border-color);
    border-top: none;
}

.admin-dark-theme #admin-panel h3 {
    color: var(--admin-text-color);
}

.admin-dark-theme #admin-panel .form-group label {
    color: var(--admin-text-color);
    font-weight: 600;
    display: block;
    margin-bottom: 6px;
}

.admin-dark-theme #admin-panel input[type="text"],
.admin-dark-theme #admin-panel textarea,
.admin-dark-theme #admin-panel select,
.admin-dark-theme #admin-panel input[type="file"],
.admin-dark-theme #admin-panel input[type="datetime-local"] {
    background-color: var(--admin-input-bg);
    color: var(--admin-input-text-color);
    border: 1px solid var(--admin-border-color);
    padding: 7px 10px;
    border-radius: 5px;
    font-size: 14px;
    box-sizing: border-box;
    transition: border-color 0.3s ease, background-color 0.3s ease;
}

.admin-dark-theme #admin-panel input[type="text"]::placeholder,
.admin-dark-theme #admin-panel textarea::placeholder,
.admin-dark-theme #admin-panel input[type="file"]::-webkit-file-upload-button {
    color: var(--admin-placeholder-color);
}

.admin-dark-theme #admin-panel input[type="text"]:focus,
.admin-dark-theme #admin-panel textarea:focus,
.admin-dark-theme #admin-panel select:focus,
.admin-dark-theme #admin-panel input[type="file"]:focus {
    outline: none;
    border-color: var(--admin-button-primary-bg);
}

.admin-dark-theme #admin-panel .primary-btn {
    background-color: var(--admin-button-primary-bg);
    color: var(--admin-button-primary-color);
    border: none;
    padding: 8px 18px;
    border-radius: 5px;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.admin-dark-theme #admin-panel .primary-btn:hover {
    filter: brightness(1.15);
}

.admin-dark-theme #admin-panel .secondary-btn {
    background-color: var(--admin-button-secondary-bg);
    color: var(--admin-button-secondary-color);
    border: 1.5px solid var(--admin-button-primary-bg);
    padding: 8px 18px;
    border-radius: 5px;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.3s ease, color 0.3s ease;
}

.admin-dark-theme #admin-panel .secondary-btn:hover {
    background-color: var(--admin-button-primary-bg);
    color: var(--admin-button-primary-color);
    border-color: var(--admin-button-primary-bg);
}

.admin-dark-theme #admin-panel .button-group button {
    margin-right: 10px;
    margin-bottom: 5px;
}

.admin-dark-theme #admin-panel input[type="checkbox"] + label,
.admin-dark-theme #admin-panel input[type="radio"] + label {
    color: var(--admin-text-color);
    cursor: pointer;
}

.admin-dark-theme #admin-panel .status-online {
    color: #4caf50;
}

.admin-dark-theme #admin-panel .status-away {
    color: #ff9800;
}

.admin-dark-theme #admin-panel .theme-selector {
    display: flex;
    gap: 12px;
    margin-top: 5px;
}

.admin-dark-theme #admin-panel .theme-option {
    width: 40px;
    height: 40px;
    border-radius: 5px;
    border: 2px solid transparent;
    cursor: pointer;
    transition: border-color 0.3s ease;
}

.admin-dark-theme #admin-panel .theme-option.active,
.admin-dark-theme #admin-panel .theme-option:hover {
    border-color: var(--admin-button-primary-bg);
}

.admin-dark-theme #admin-panel .theme-option.telegram {
    background-color: #0088cc;
}

.admin-dark-theme #admin-panel .theme-option.whatsapp {
    background-color: #25d366;
}

.admin-dark-theme #admin-panel .theme-option.imessage {
    background-color: #34aadc;
}

.admin-dark-theme #admin-panel #text-scale-value {
    font-weight: 600;
    color: var(--admin-text-color);
}

.admin-dark-theme #admin-panel .hidden {
    display: none !important;
}