/* ============================================
   QuorVPN — ДИЗАЙН (Белый + Серебро / Чёрный + Серебро)
   ============================================ */

/* --- CSS Variables --- */
:root,
html[data-theme="dark"] {
    --bg-primary: #0a0a0a;
    --bg-secondary: #111111;
    --bg-card: #1a1a1a;
    --bg-card-hover: #222222;
    --border-color: #3a3a3a;
    --border-light: #4a4a4a;
    --text-primary: #e8e8e8;
    --text-secondary: #a8a8a8;
    --text-muted: #6a6a6a;
    --accent: #c0c0c0;
    --accent-hover: #d8d8d8;
    --shadow: 0 4px 24px rgba(0, 0, 0, 0.6);
    --sidebar-bg: #0d0d0d;
    --sidebar-border: #2a2a2a;
    --input-bg: #1a1a1a;
    --input-border: #3a3a3a;
    --input-focus: #888888;
    --scrollbar-track: #1a1a1a;
    --scrollbar-thumb: #444444;
    --badge-bg: #2a2a2a;
    --badge-text: #cccccc;
}

html[data-theme="light"] {
    --bg-primary: #f8f8f8;
    --bg-secondary: #f0f0f0;
    --bg-card: #ffffff;
    --bg-card-hover: #f5f5f5;
    --border-color: #d0d0d0;
    --border-light: #e0e0e0;
    --text-primary: #1a1a1a;
    --text-secondary: #5a5a5a;
    --text-muted: #9a9a9a;
    --accent: #888888;
    --accent-hover: #666666;
    --shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
    --sidebar-bg: #f5f5f5;
    --sidebar-border: #d8d8d8;
    --input-bg: #f5f5f5;
    --input-border: #d0d0d0;
    --input-focus: #999999;
    --scrollbar-track: #e8e8e8;
    --scrollbar-thumb: #b0b0b0;
    --badge-bg: #e8e8e8;
    --badge-text: #444444;
}

/* --- Reset & Base --- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    overflow: hidden;
    transition: background 0.3s ease, color 0.3s ease;
}

/* --- Scrollbar --- */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}
::-webkit-scrollbar-track {
    background: var(--scrollbar-track);
    border-radius: 10px;
}
::-webkit-scrollbar-thumb {
    background: var(--scrollbar-thumb);
    border-radius: 10px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--accent);
}

/* --- Glass Card (Серебряная окантовка) --- */
.glass-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    box-shadow: var(--shadow);
    transition: background 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.glass-card:hover {
    border-color: var(--accent);
    box-shadow: 0 4px 32px rgba(192, 192, 192, 0.08);
}

/* --- App Layout --- */
.app-container {
    display: flex;
    height: 100vh;
    overflow: hidden;
}

/* --- Sidebar --- */
.sidebar {
    width: 240px;
    min-width: 240px;
    background: var(--sidebar-bg);
    border-right: 1px solid var(--sidebar-border);
    display: flex;
    flex-direction: column;
    padding: 20px 16px;
    transition: transform 0.3s ease, background 0.3s ease, border-color 0.3s ease;
    z-index: 40;
    overflow-y: auto;
}

.sidebar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--sidebar-border);
    margin-bottom: 20px;
}

.sidebar-nav {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 14px;
    border-radius: 8px;
    color: var(--text-secondary);
    background: transparent;
    border: 1px solid transparent;
    cursor: pointer;
    width: 100%;
    text-align: left;
    font-family: 'Inter', sans-serif;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.2s ease;
}

.nav-item:hover {
    background: var(--bg-card-hover);
    color: var(--text-primary);
    border-color: var(--border-color);
}

.nav-item.active {
    background: var(--bg-card);
    color: var(--text-primary);
    border-color: var(--accent);
    box-shadow: 0 0 20px rgba(192, 192, 192, 0.05);
}

.nav-item .material-icons {
    font-size: 22px;
}

.sidebar-footer {
    border-top: 1px solid var(--sidebar-border);
    padding-top: 16px;
    margin-top: auto;
}

/* --- Main Content --- */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    background: var(--bg-primary);
    transition: background 0.3s ease;
}

.main-header {
    padding: 16px 32px;
    background: var(--bg-card);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 72px;
    transition: background 0.3s ease, border-color 0.3s ease;
}

.content-area {
    flex: 1;
    padding: 24px 32px;
    overflow-y: auto;
    overflow-x: hidden;
}

/* --- Theme Toggle --- */
.theme-toggle {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: 8px;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.theme-toggle:hover {
    background: var(--bg-card-hover);
    color: var(--text-primary);
    border-color: var(--accent);
}

.theme-toggle .material-icons {
    font-size: 22px;
}

/* --- Cards --- */
.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 20px 24px;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
}

.stat-card:hover {
    border-color: var(--accent);
    transform: translateY(-2px);
    box-shadow: 0 4px 32px rgba(192, 192, 192, 0.06);
}

.stat-card .label {
    color: var(--text-secondary);
    font-size: 13px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.stat-card .value {
    font-size: 32px;
    font-weight: 700;
    margin-top: 4px;
}

.stat-card .fake-badge {
    background: var(--badge-bg);
    color: var(--badge-text);
    font-size: 11px;
    padding: 2px 10px;
    border-radius: 20px;
    font-weight: 600;
    margin-left: 8px;
    border: 1px solid var(--border-color);
}

/* --- Tables --- */
.table-container {
    overflow-x: auto;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    box-shadow: var(--shadow);
}

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

.table-container th {
    padding: 12px 16px;
    text-align: left;
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 1px solid var(--border-color);
}

.table-container td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-primary);
    font-size: 14px;
}

.table-container tr:last-child td {
    border-bottom: none;
}

.table-container tr:hover td {
    background: var(--bg-card-hover);
}

/* --- Buttons --- */
.btn {
    padding: 8px 16px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    font-family: 'Inter', sans-serif;
    font-weight: 500;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--bg-card);
    color: var(--text-primary);
}

.btn:hover {
    border-color: var(--accent);
    background: var(--bg-card-hover);
}

.btn-primary {
    background: var(--text-primary);
    color: var(--bg-primary);
    border-color: var(--text-primary);
}

.btn-primary:hover {
    background: var(--accent);
    border-color: var(--accent);
    color: var(--bg-primary);
}

.btn-secondary {
    border-color: var(--border-color);
    color: var(--text-secondary);
}

.btn-secondary:hover {
    border-color: var(--accent);
    color: var(--text-primary);
}

.btn-danger {
    border-color: #cc4444;
    color: #cc4444;
}

.btn-danger:hover {
    background: #cc4444;
    color: #ffffff;
    border-color: #cc4444;
}

.btn-success {
    border-color: #44aa66;
    color: #44aa66;
}

.btn-success:hover {
    background: #44aa66;
    color: #ffffff;
    border-color: #44aa66;
}

.btn-warning {
    border-color: #ddaa44;
    color: #ddaa44;
}

.btn-warning:hover {
    background: #ddaa44;
    color: #ffffff;
    border-color: #ddaa44;
}

.btn-sm {
    padding: 4px 12px;
    font-size: 12px;
}

.btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

/* --- Form Elements --- */
.form-input {
    width: 100%;
    padding: 10px 14px;
    background: var(--input-bg);
    border: 1px solid var(--input-border);
    border-radius: 8px;
    color: var(--text-primary);
    font-family: 'Inter', sans-serif;
    font-size: 14px;
    transition: all 0.2s ease;
}

.form-input:focus {
    outline: none;
    border-color: var(--input-focus);
    box-shadow: 0 0 0 3px rgba(192, 192, 192, 0.08);
}

.form-input::placeholder {
    color: var(--text-muted);
}

.form-label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 4px;
}

.form-group {
    margin-bottom: 16px;
}

/* --- Tabs --- */
.tab-header {
    display: flex;
    gap: 4px;
    margin-bottom: 20px;
    background: var(--bg-card);
    padding: 4px;
    border-radius: 10px;
    border: 1px solid var(--border-color);
    flex-wrap: wrap;
}

.tab-btn {
    padding: 8px 20px;
    border-radius: 6px;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    font-family: 'Inter', sans-serif;
    font-weight: 500;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.tab-btn:hover {
    color: var(--text-primary);
    background: var(--bg-card-hover);
}

.tab-btn.active {
    background: var(--bg-card);
    color: var(--text-primary);
    border: 1px solid var(--accent);
}

/* --- Badges --- */
.badge {
    display: inline-block;
    padding: 2px 10px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 600;
    border: 1px solid var(--border-color);
    background: var(--badge-bg);
    color: var(--badge-text);
}

.badge-free { border-color: #8888cc; color: #8888cc; }
.badge-basic { border-color: #44aa66; color: #44aa66; }
.badge-plus { border-color: #ddaa44; color: #ddaa44; }
.badge-premium { border-color: #cc66aa; color: #cc66aa; }
.badge-pending { border-color: #ddaa44; color: #ddaa44; }
.badge-confirmed { border-color: #44aa66; color: #44aa66; }
.badge-rejected { border-color: #cc4444; color: #cc4444; }

/* --- Toast --- */
.toast {
    padding: 12px 20px;
    border-radius: 10px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow);
    color: var(--text-primary);
    font-size: 14px;
    animation: slideUp 0.3s ease;
    min-width: 280px;
}

.toast-success { border-color: #44aa66; }
.toast-error { border-color: #cc4444; }
.toast-warning { border-color: #ddaa44; }

@keyframes slideUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

/* --- Responsive --- */
@media (max-width: 768px) {
    .sidebar {
        position: fixed;
        left: 0;
        top: 0;
        bottom: 0;
        transform: translateX(-100%);
        width: 280px;
        min-width: 280px;
    }

    .sidebar.open {
        transform: translateX(0);
    }

    .main-header {
        padding: 12px 16px;
    }

    .content-area {
        padding: 16px;
    }

    .stat-card .value {
        font-size: 24px;
    }

    .sidebar-overlay {
        position: fixed;
        inset: 0;
        background: rgba(0, 0, 0, 0.5);
        z-index: 35;
        display: none;
    }

    .sidebar-overlay.active {
        display: block;
    }
}

@media (max-width: 480px) {
    .stat-card {
        padding: 16px;
    }
    .stat-card .value {
        font-size: 20px;
    }
    .table-container {
        font-size: 12px;
    }
    .table-container th,
    .table-container td {
        padding: 8px 12px;
    }
}

/* ============================================
   QuorVPN — DYNAMIC LAYER (анимации + glow)
   ============================================ */
:root,
html[data-theme="dark"] {
    --accent2: #7c8cff;
    --glow: 0 0 24px rgba(124, 140, 255, 0.25);
    --gradient: linear-gradient(135deg, #c0c0c0 0%, #7c8cff 50%, #44d0aa 100%);
}
html[data-theme="light"] {
    --accent2: #5a67e8;
    --glow: 0 0 24px rgba(90, 103, 232, 0.18);
    --gradient: linear-gradient(135deg, #666 0%, #5a67e8 50%, #00b894 100%);
}

body::before {
    content: '';
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 0;
    /* Статичный градиент БЕЗ анимации: анимированный фон на всю страницу — главная причина лагов */
    background:
        radial-gradient(600px 300px at 10% -5%, rgba(124, 140, 255, 0.12), transparent 60%),
        radial-gradient(500px 280px at 95% 10%, rgba(68, 208, 170, 0.10), transparent 60%),
        radial-gradient(700px 400px at 50% 110%, rgba(192, 192, 192, 0.06), transparent 60%);
}
.app-container, .main-content, .sidebar { position: relative; z-index: 1; }

.sidebar-header .material-icons {
    background: var(--gradient);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent !important;
    animation: shieldPulse 3s ease-in-out infinite;
}
@keyframes shieldPulse {
    0%, 100% { filter: drop-shadow(0 0 0 rgba(124,140,255,0)); transform: scale(1); }
    50% { filter: drop-shadow(0 0 8px rgba(124,140,255,.6)); transform: scale(1.08); }
}

.nav-item { position: relative; overflow: hidden; }
.nav-item::after {
    content: ''; position: absolute; left: 0; top: 0; bottom: 0; width: 3px;
    background: var(--gradient); opacity: 0; transition: opacity .25s ease;
}
.nav-item.active::after { opacity: 1; }
.nav-item.active {
    box-shadow: var(--glow);
    animation: navIn .3s ease;
}
@keyframes navIn { from { transform: translateX(-6px); opacity: .5; } to { transform: none; opacity: 1; } }
.nav-item .material-icons { transition: transform .25s ease; }
.nav-item:hover .material-icons { transform: scale(1.2) rotate(-6deg); }

.stat-card { position: relative; overflow: hidden; }
/* Shimmer ТОЛЬКО на маленьких анимированных карточках бота, не на всех — иначе лагает */
.stat-card.stat-animated { animation: cardIn .45s ease both; }
.stat-card.stat-animated::before {
    content: ''; position: absolute; inset: 0;
    background: linear-gradient(110deg, transparent 30%, rgba(255,255,255,.06) 50%, transparent 70%);
    transform: translateX(-100%); animation: shimmer 7s ease-in-out infinite;
    pointer-events: none;
}
@keyframes shimmer { 0%, 60% { transform: translateX(-100%); } 100% { transform: translateX(100%); } }
@keyframes cardIn { from { opacity: 0; transform: translateY(14px) scale(.98); } to { opacity: 1; transform: none; } }
.stat-card .value {
    background: linear-gradient(180deg, var(--text-primary), var(--text-secondary));
    -webkit-background-clip: text; background-clip: text;
}
.stat-card.stat-animated .value { animation: countPop .5s ease both; }
@keyframes countPop { from { transform: scale(.85); opacity: 0; } to { transform: scale(1); opacity: 1; } }
.stat-card .sub { font-size: 12px; color: var(--text-secondary); margin-top: 6px; }

.btn { position: relative; overflow: hidden; }
.btn::after {
    content: ''; position: absolute; inset: 0;
    background: linear-gradient(110deg, transparent 30%, rgba(255,255,255,.18) 50%, transparent 70%);
    transform: translateX(-120%); transition: transform .5s ease;
}
.btn:hover::after { transform: translateX(120%); }
.btn:hover { transform: translateY(-1px); box-shadow: var(--glow); }
.btn:active { transform: translateY(0) scale(.98); }
.btn .material-icons { font-size: 18px; transition: transform .2s ease; }
.btn:hover .material-icons { transform: scale(1.15); }

/* Строки таблицы БЕЗ анимаций: анимация сотен <tr> разом — вторая причина лагов.
   Вместо этого браузер пропускает отрисовку внеэкранных строк. */
.table-container tbody tr { content-visibility: auto; contain-intrinsic-size: auto 52px; }
.table-container tr:hover td { background: var(--bg-card-hover); }

.tab-btn.active { box-shadow: var(--glow); background: var(--bg-card-hover); }

.theme-toggle:hover .material-icons { animation: spinOnce .5s ease; }
@keyframes spinOnce { from { transform: rotate(0); } to { transform: rotate(180deg); } }

.toast { animation: slideUp .3s ease, toastGlow 2s ease; }
@keyframes toastGlow { 0%, 100% { box-shadow: var(--shadow); } 50% { box-shadow: var(--glow); } }

.ip-chip {
    display: inline-flex; align-items: center; gap: 6px;
    background: var(--bg-card-hover); padding: 5px 8px 5px 10px; border-radius: 20px;
    border: 1px solid var(--border-color); font-size: 13px;
    animation: cardIn .3s ease both; transition: all .2s ease;
}
.ip-chip:hover { border-color: var(--accent2); box-shadow: var(--glow); transform: translateY(-1px); }
.ip-chip.banned { border-color: #cc4444; background: rgba(204,68,68,.08); }
.ip-inline { font-family: monospace; font-size: 12px; }
.ip-inline a { text-decoration: none; margin-left: 4px; }
.ip-inline.banned { color: #cc6666; }
.icon-btn { background: none; border: none; cursor: pointer; color: inherit; display: inline-flex; padding: 2px; border-radius: 6px; }
.icon-btn:hover { background: var(--bg-card-hover); transform: scale(1.15); }
.device-count.full { color: #ddaa44; font-weight: 700; }

.main-header { backdrop-filter: blur(12px); }
#page-title { position: relative; }
#page-title::after {
    content: ''; position: absolute; left: 0; bottom: -4px; height: 2px; width: 48px;
    background: var(--gradient); border-radius: 2px; animation: lineGrow .5s ease both;
}
@keyframes lineGrow { from { width: 0; } to { width: 48px; } }
@keyframes fadeIn { from { opacity: 0; transform: scale(.96); } to { opacity: 1; transform: scale(1); } }

/* ============================================
   QuorVPN — PERF + UI LAYER (пагинация, поиск, IP, скелетоны)
   Все анимации — только opacity/transform (дёшево для GPU)
   ============================================ */

/* Плавный вход вкладки */
.tab-enter { animation: tabEnter .22s ease both; }
@keyframes tabEnter { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }

/* Появление модалок */
.modal-pop { animation: modalPop .25s cubic-bezier(.2,.9,.3,1.2) both; }
@keyframes modalPop { from { opacity: 0; transform: translateY(14px) scale(.97); } to { opacity: 1; transform: none; } }

/* Скелетоны загрузки */
.skeleton {
    height: 18px; border-radius: 8px;
    background: linear-gradient(90deg, var(--bg-card-hover) 25%, var(--border-color) 50%, var(--bg-card-hover) 75%);
    background-size: 200% 100%;
    animation: skeletonShimmer 1.2s ease-in-out infinite;
}
.skel-row td { padding: 10px 16px !important; }
.skel-row { content-visibility: visible; }
@keyframes skeletonShimmer { from { background-position: 200% 0; } to { background-position: -200% 0; } }

/* Тулбар: кнопка + поиск */
.toolbar { display: flex; gap: 12px; align-items: center; justify-content: space-between; flex-wrap: wrap; margin-bottom: 12px; }
.search-box { position: relative; min-width: 220px; flex: 1; max-width: 360px; }
.search-box .material-icons { position: absolute; left: 10px; top: 50%; transform: translateY(-50%); color: var(--text-muted); font-size: 20px; pointer-events: none; }
.search-box .form-input { padding-left: 38px; }

/* Пагинация */
.pager { display: flex; gap: 6px; align-items: center; justify-content: center; flex-wrap: wrap; margin-top: 14px; }
.pager-dots { color: var(--text-muted); padding: 0 4px; }
.pager-info { margin-left: 10px; font-size: 12px; color: var(--text-muted); }

/* Сворачиваемые IP */
.ip-cell { min-width: 150px; max-width: 260px; }
.ip-toggle {
    display: inline-flex; align-items: center; gap: 6px;
    background: var(--bg-card-hover); color: var(--text-primary);
    border: 1px solid var(--border-color); border-radius: 20px;
    padding: 5px 14px 5px 8px; font-size: 13px; cursor: pointer;
    transition: transform .15s ease, border-color .15s ease, box-shadow .15s ease;
}
.ip-toggle:hover { border-color: var(--accent2); box-shadow: var(--glow); transform: translateY(-1px); }
.ip-toggle.collapse { margin-top: 6px; font-size: 12px; padding: 3px 12px 3px 6px; }
.ip-banned-count { color: #cc6666; font-size: 12px; }
.ip-list { display: flex; flex-direction: column; gap: 4px; max-height: 220px; overflow-y: auto; padding-right: 4px; }
.ip-row {
    display: flex; align-items: center; gap: 6px;
    background: var(--bg-card-hover); border: 1px solid var(--border-color);
    border-radius: 8px; padding: 4px 6px 4px 8px; font-size: 12px;
}
.ip-row.banned { border-color: #cc4444; background: rgba(204,68,68,.08); }
.ip-row .ip-addr { font-family: monospace; flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.ip-inline { font-family: monospace; font-size: 12px; }
.ip-inline a { text-decoration: none; margin-left: 4px; }
.ip-inline.banned { color: #cc6666; }

/* Превью серверного конфига */
.server-preview { font-family: monospace; max-width: 280px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* Статус парсера */
.parser-last { margin-top: 8px; font-size: 12px; color: var(--text-secondary); background: var(--input-bg); border: 1px solid var(--border-color); border-radius: 8px; padding: 8px 12px; }

/* Радио выбора формата ссылок */
.link-radio { display: flex; gap: 10px; align-items: flex-start; padding: 10px 12px; border: 1px solid var(--border-color); border-radius: 10px; cursor: pointer; transition: border-color .15s ease; }
.link-radio:hover { border-color: var(--accent); }
.link-radio input { margin-top: 3px; accent-color: var(--accent2); }
.link-radio code { background: var(--input-bg); padding: 1px 6px; border-radius: 6px; font-size: 12px; }

/* Вращение иконки при парсинге */
.spin { animation: spinOnce 1s linear infinite !important; display: inline-block; }

/* Уважение к настройкам ОС: отключить анимации */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
}