/* ====== RESET & BASE ====== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
    --bg-dark: #0a1628;
    --bg-card: #111d33;
    --bg-card-hover: #162540;
    --bg-input: #0d1a2e;
    --border: #1e3252;
    --border-light: #2a4470;
    --primary: #3b82f6;
    --primary-hover: #2563eb;
    --primary-glow: rgba(59, 130, 246, 0.25);
    --success: #10b981;
    --success-bg: rgba(16, 185, 129, 0.12);
    --warning: #f59e0b;
    --warning-bg: rgba(245, 158, 11, 0.12);
    --danger: #ef4444;
    --danger-bg: rgba(239, 68, 68, 0.12);
    --text: #e2e8f0;
    --text-dim: #94a3b8;
    --text-muted: #64748b;
    --radius: 12px;
    --radius-sm: 8px;
    --radius-xs: 6px;
    --shadow: 0 4px 24px rgba(0,0,0,0.3);
    --transition: 0.2s ease;
}

html { font-size: 15px; }
body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Inter', sans-serif;
    background: var(--bg-dark);
    color: var(--text);
    min-height: 100vh;
    line-height: 1.6;
}

a { color: var(--primary); text-decoration: none; }
a:hover { color: var(--primary-hover); }

/* ====== NAVBAR ====== */
.navbar {
    position: fixed; top: 0; left: 0; right: 0; z-index: 100;
    background: rgba(10, 22, 40, 0.85);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border);
    transition: transform 0.3s ease;
}
.navbar.hidden { transform: translateY(-100%); }
.navbar.visible { transform: translateY(0); }

.nav-inner {
    max-width: 1280px; margin: 0 auto;
    display: flex; align-items: center; gap: 12px;
    padding: 0 24px; height: 60px;
}

.nav-logo {
    display: flex; align-items: center; gap: 8px;
    font-weight: 700; font-size: 1.15rem; color: var(--text);
    text-decoration: none; margin-right: 16px;
}
.logo-icon {
    width: 34px; height: 34px; border-radius: 8px;
    background: linear-gradient(135deg, var(--primary), #8b5cf6);
    display: flex; align-items: center; justify-content: center;
    font-weight: 800; font-size: 1.1rem; color: #fff;
}
.logo-img {
    height: 36px; width: auto;
    filter: brightness(0) invert(1);
}
.logo-text { letter-spacing: 1px; }

.nav-links { display: flex; gap: 4px; flex: 1; }
.nav-link {
    display: flex; align-items: center; gap: 6px;
    padding: 8px 14px; border-radius: var(--radius-sm);
    color: var(--text-dim); font-size: 0.88rem; font-weight: 500;
    transition: var(--transition); white-space: nowrap;
}
.nav-link:hover { color: var(--text); background: var(--bg-card); }
.nav-link.active { color: var(--primary); background: var(--primary-glow); }

.nav-right { display: flex; align-items: center; gap: 12px; }
.nav-user { color: var(--text-dim); font-size: 0.85rem; }

/* ====== BUTTONS ====== */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    padding: 10px 20px; border-radius: var(--radius-sm);
    font-size: 0.9rem; font-weight: 600; border: none; cursor: pointer;
    transition: var(--transition); line-height: 1.4;
}
.btn:disabled { opacity: 0.5; cursor: not-allowed; }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover:not(:disabled) { background: var(--primary-hover); box-shadow: 0 0 20px var(--primary-glow); }
.btn-success { background: var(--success); color: #fff; }
.btn-danger { background: var(--danger); color: #fff; }
.btn-ghost { background: transparent; color: var(--text-dim); border: 1px solid var(--border); }
.btn-ghost:hover { color: var(--text); border-color: var(--border-light); background: var(--bg-card); }
.btn-sm { padding: 6px 14px; font-size: 0.82rem; }
.btn-lg { padding: 14px 28px; font-size: 1rem; }
.btn-block { width: 100%; }

/* ====== CARDS ====== */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    transition: var(--transition);
}
.card:hover { border-color: var(--border-light); }
.card-header { margin-bottom: 20px; }
.card-title { font-size: 1.1rem; font-weight: 700; margin-bottom: 4px; }
.card-subtitle { color: var(--text-dim); font-size: 0.85rem; }

/* ====== FORMS ====== */
.form-group { margin-bottom: 18px; }
.form-label { display: block; margin-bottom: 6px; font-size: 0.85rem; font-weight: 600; color: var(--text-dim); }
.form-input, .form-select {
    width: 100%; padding: 10px 14px;
    background: var(--bg-input); border: 1px solid var(--border);
    border-radius: var(--radius-sm); color: var(--text);
    font-size: 0.92rem; transition: var(--transition);
    font-family: inherit;
}
.form-input:focus, .form-select:focus {
    outline: none; border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-glow);
}
.form-input::placeholder { color: var(--text-muted); }

/* ====== LAYOUT ====== */
.page { max-width: 1280px; margin: 0 auto; padding: 84px 24px 40px; }
.page-header { margin-bottom: 28px; }
.page-title { font-size: 1.6rem; font-weight: 800; margin-bottom: 6px; }
.page-subtitle { color: var(--text-dim); font-size: 0.95rem; }

.grid { display: grid; gap: 20px; }
.grid-2 { grid-template-columns: repeat(auto-fill, minmax(340px, 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); }
.grid-4 { grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); }

.flex { display: flex; }
.flex-center { align-items: center; justify-content: center; }
.flex-between { justify-content: space-between; align-items: center; }
.gap-sm { gap: 8px; }
.gap-md { gap: 16px; }

/* ====== AUTH PAGE ====== */
.auth-page {
    min-height: 100vh; display: flex; align-items: center; justify-content: center;
    background: linear-gradient(135deg, #0f1e36 0%, #162d50 50%, #0f1e36 100%);
    padding: 20px;
}
.auth-card {
    width: 100%; max-width: 420px;
    background: rgba(22, 38, 66, 0.85); border: 1px solid rgba(255,255,255,0.1);
    border-radius: 16px; padding: 40px;
    box-shadow: 0 8px 40px rgba(0,0,0,0.4);
    backdrop-filter: blur(12px);
}
.auth-logo {
    text-align: center; margin-bottom: 32px;
}
.auth-logo .logo-icon {
    width: 56px; height: 56px; font-size: 1.6rem;
    margin: 0 auto 12px;
}
.auth-logo-img {
    height: 90px; width: auto; margin: 0 auto 16px; display: block;
    filter: brightness(0) invert(1);
}
.auth-logo h1 { font-size: 1.5rem; font-weight: 900; letter-spacing: 3px; color: #fff; }
.auth-logo p { color: var(--text-dim); font-size: 0.85rem; margin-top: 4px; }
.auth-tabs { display: flex; gap: 0; margin-bottom: 28px; border-radius: var(--radius-sm); overflow: hidden; border: 1px solid var(--border); }
.auth-tab {
    flex: 1; padding: 10px; text-align: center; cursor: pointer;
    font-size: 0.88rem; font-weight: 600; color: var(--text-dim);
    background: transparent; border: none; transition: var(--transition);
}
.auth-tab.active { background: var(--primary); color: #fff; }
.auth-tab:hover:not(.active) { background: var(--bg-card-hover); }
.auth-error { color: var(--danger); font-size: 0.83rem; margin-top: 8px; display: none; }

/* ====== STAT CARDS (DASHBOARD) ====== */
.stat-card {
    background: var(--bg-card); border: 1px solid var(--border);
    border-radius: var(--radius); padding: 22px;
    display: flex; align-items: flex-start; gap: 16px;
}
.stat-icon {
    width: 48px; height: 48px; border-radius: 12px;
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0;
}
.stat-icon.blue { background: rgba(59,130,246,0.15); color: var(--primary); }
.stat-icon.green { background: var(--success-bg); color: var(--success); }
.stat-icon.amber { background: var(--warning-bg); color: var(--warning); }
.stat-icon.red { background: var(--danger-bg); color: var(--danger); }
.stat-value { font-size: 1.8rem; font-weight: 800; line-height: 1.2; }
.stat-label { color: var(--text-dim); font-size: 0.82rem; margin-top: 2px; }

/* ====== UPLOAD ZONE ====== */
.upload-zone {
    border: 2px dashed var(--border);
    border-radius: var(--radius);
    padding: 60px 40px;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
}
.upload-zone:hover, .upload-zone.dragover {
    border-color: var(--primary);
    background: rgba(59,130,246,0.05);
}
.upload-zone input[type="file"] {
    position: absolute; inset: 0; opacity: 0; cursor: pointer;
}
.upload-icon {
    width: 64px; height: 64px; margin: 0 auto 16px;
    border-radius: 50%; background: var(--primary-glow);
    display: flex; align-items: center; justify-content: center;
    color: var(--primary);
}
.upload-title { font-size: 1.1rem; font-weight: 700; margin-bottom: 6px; }
.upload-subtitle { color: var(--text-dim); font-size: 0.88rem; }

/* ====== PROGRESS BAR ====== */
.progress { height: 6px; background: var(--bg-input); border-radius: 3px; overflow: hidden; }
.progress-bar {
    height: 100%; background: var(--primary);
    border-radius: 3px;
    transition: width 0.5s ease;
}
.progress-bar.success { background: var(--success); }

/* ====== TASK LIST ====== */
.task-item {
    display: flex; align-items: center; gap: 16px;
    padding: 18px 20px;
    background: var(--bg-card); border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    transition: var(--transition);
    cursor: pointer;
}
.task-item:hover { border-color: var(--border-light); background: var(--bg-card-hover); }
.task-icon {
    width: 42px; height: 42px; border-radius: 10px;
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0;
}
.task-info { flex: 1; min-width: 0; }
.task-name { font-weight: 600; font-size: 0.95rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.task-meta { color: var(--text-dim); font-size: 0.8rem; margin-top: 2px; }
.task-actions { display: flex; gap: 8px; flex-shrink: 0; }

/* ====== STATUS BADGES ====== */
.badge {
    display: inline-flex; align-items: center; gap: 4px;
    padding: 4px 10px; border-radius: 20px;
    font-size: 0.75rem; font-weight: 600;
}
.badge-uploaded { background: rgba(59,130,246,0.12); color: var(--primary); }
.badge-processing { background: var(--warning-bg); color: var(--warning); }
.badge-done { background: var(--success-bg); color: var(--success); }
.badge-failed { background: var(--danger-bg); color: var(--danger); }

.badge-dot {
    width: 6px; height: 6px; border-radius: 50%;
    display: inline-block;
}
.badge-processing .badge-dot { background: var(--warning); animation: pulse-dot 1.5s infinite; }
.badge-done .badge-dot { background: var(--success); }
.badge-failed .badge-dot { background: var(--danger); }
.badge-uploaded .badge-dot { background: var(--primary); }

@keyframes pulse-dot { 0%, 100% { opacity: 1; } 50% { opacity: 0.3; } }

/* ====== AVATAR CARDS ====== */
.avatar-card {
    background: var(--bg-card); border: 1px solid var(--border);
    border-radius: var(--radius); overflow: hidden;
    transition: var(--transition);
}
.avatar-card:hover { border-color: var(--border-light); transform: translateY(-2px); box-shadow: var(--shadow); }
.avatar-photo {
    width: 100%; height: 220px; object-fit: cover; object-position: top;
    background: var(--bg-input);
}
.avatar-body { padding: 18px; }
.avatar-name { font-weight: 700; font-size: 1rem; margin-bottom: 2px; }
.avatar-title { color: var(--primary); font-size: 0.82rem; font-weight: 600; margin-bottom: 8px; }
.avatar-role { color: var(--text-dim); font-size: 0.82rem; line-height: 1.5; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.avatar-footer { padding: 12px 18px; border-top: 1px solid var(--border); display: flex; gap: 8px; }

/* ====== CHAT ====== */
.chat-container { display: flex; flex-direction: column; height: calc(100vh - 180px); }
.chat-messages {
    flex: 1; overflow-y: auto; padding: 20px;
    display: flex; flex-direction: column; gap: 12px;
}
.chat-msg {
    max-width: 75%; padding: 12px 16px;
    border-radius: 16px; font-size: 0.92rem; line-height: 1.5;
}
.chat-msg.user {
    align-self: flex-end;
    background: var(--primary); color: #fff;
    border-bottom-right-radius: 4px;
}
.chat-msg.avatar {
    align-self: flex-start;
    background: var(--bg-card-hover); border: 1px solid var(--border);
    border-bottom-left-radius: 4px;
}
.chat-msg .msg-author { font-size: 0.75rem; font-weight: 700; margin-bottom: 4px; color: var(--primary); }
.chat-input-area {
    display: flex; gap: 10px; padding: 16px;
    background: var(--bg-card); border-top: 1px solid var(--border);
    border-radius: 0 0 var(--radius) var(--radius);
}
.chat-input-area input { flex: 1; }

/* ====== CALL PAGE ====== */
.call-grid { display: grid; grid-template-columns: 1fr 380px; gap: 20px; height: calc(100vh - 140px); }
.call-video {
    background: #000; border-radius: var(--radius); overflow: hidden;
    display: flex; align-items: center; justify-content: center;
    position: relative;
}
.call-video iframe { width: 100%; height: 100%; border: none; }
.call-sidebar { display: flex; flex-direction: column; gap: 16px; overflow-y: auto; }

/* ====== DETAIL VIEW / REPORT ====== */
.detail-header {
    display: flex; align-items: center; gap: 16px; margin-bottom: 24px;
}
.detail-back {
    width: 40px; height: 40px; border-radius: 10px;
    background: var(--bg-card); border: 1px solid var(--border);
    display: flex; align-items: center; justify-content: center;
    cursor: pointer; color: var(--text-dim); transition: var(--transition);
}
.detail-back:hover { border-color: var(--primary); color: var(--primary); }

.report-section {
    background: var(--bg-card); border: 1px solid var(--border);
    border-radius: var(--radius); padding: 24px; margin-bottom: 16px;
}
.report-section h3 {
    font-size: 1rem; font-weight: 700; margin-bottom: 12px;
    color: var(--primary); display: flex; align-items: center; gap: 8px;
}
.report-section p, .report-section li {
    color: var(--text-dim); font-size: 0.9rem; line-height: 1.7;
}
.report-section ul { list-style: none; padding: 0; }
.report-section li::before { content: "->"; color: var(--primary); margin-right: 8px; font-weight: bold; }

/* ====== EMPTY STATE ====== */
.empty-state {
    text-align: center; padding: 60px 20px;
    color: var(--text-dim);
}
.empty-state svg { margin-bottom: 16px; opacity: 0.4; }
.empty-state h3 { font-size: 1.1rem; color: var(--text); margin-bottom: 8px; }
.empty-state p { font-size: 0.9rem; max-width: 360px; margin: 0 auto 20px; }

/* ====== TOASTS ====== */
.toasts {
    position: fixed; bottom: 24px; right: 24px; z-index: 1000;
    display: flex; flex-direction: column-reverse; gap: 8px;
}
.toast {
    padding: 14px 20px; border-radius: var(--radius-sm);
    font-size: 0.88rem; font-weight: 500;
    box-shadow: var(--shadow);
    animation: slide-in 0.3s ease;
    max-width: 380px;
}
.toast.success { background: #065f46; color: #a7f3d0; border: 1px solid #10b981; }
.toast.error { background: #7f1d1d; color: #fca5a5; border: 1px solid #ef4444; }
.toast.info { background: #1e3a5f; color: #93c5fd; border: 1px solid #3b82f6; }

@keyframes slide-in {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

/* ====== SPINNER ====== */
.spinner {
    width: 32px; height: 32px;
    border: 3px solid var(--border);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}
.spinner-sm { width: 18px; height: 18px; border-width: 2px; }
@keyframes spin { to { transform: rotate(360deg); } }

.loading-center { display: flex; align-items: center; justify-content: center; padding: 60px; }

/* ====== SCROLLBAR ====== */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--border-light); }

/* ====== MOBILE MENU ====== */
.nav-hamburger {
    display: none; background: none; border: none; color: var(--text-dim);
    cursor: pointer; padding: 6px; border-radius: var(--radius-xs);
}
.nav-hamburger:hover { color: var(--text); background: var(--bg-card); }

/* ====== CARD HOVER GLOW ====== */
.stat-card { transition: var(--transition); animation: card-appear 0.3s ease-out backwards; }
.stat-card:nth-child(1) { animation-delay: 0s; }
.stat-card:nth-child(2) { animation-delay: 0.05s; }
.stat-card:nth-child(3) { animation-delay: 0.1s; }
.stat-card:nth-child(4) { animation-delay: 0.15s; }
.stat-card:hover { border-color: var(--border-light); transform: translateY(-2px); box-shadow: var(--shadow); }
@keyframes card-appear {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ====== AVATAR PLACEHOLDER ====== */
.avatar-photo-fallback {
    width: 100%; height: 220px;
    display: flex; align-items: center; justify-content: center;
    background: linear-gradient(135deg, var(--bg-input), var(--bg-card));
    font-size: 3.5rem; font-weight: 800; color: var(--primary);
    opacity: 0.6;
}

/* ====== SMOOTH PAGE TRANSITIONS ====== */
#app { animation: page-fade 0.2s ease-out; }
@keyframes page-fade {
    from { opacity: 0; transform: translateY(6px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ====== PRICING POPULAR BADGE ====== */
.pricing-popular {
    position: absolute; top: 14px; right: -28px;
    transform: rotate(45deg);
    background: var(--warning); color: #000;
    font-size: 0.7rem; font-weight: 800;
    padding: 2px 32px; letter-spacing: 0.5px;
}

/* ====== RESPONSIVE ====== */
@media (max-width: 768px) {
    .nav-hamburger { display: flex; align-items: center; justify-content: center; }
    .nav-links {
        display: none; position: absolute; top: 60px; left: 0; right: 0;
        flex-direction: column; background: rgba(10, 22, 40, 0.97);
        backdrop-filter: blur(16px); border-bottom: 1px solid var(--border);
        padding: 8px 16px; gap: 2px; z-index: 100;
    }
    .nav-links.open { display: flex; animation: page-fade 0.15s ease-out; }
    .nav-link { padding: 12px 14px; }
    .page { padding: 76px 16px 24px; }
    .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
    .call-grid { grid-template-columns: 1fr; height: auto; }
    .chat-msg { max-width: 90%; }
    .flex-between { flex-wrap: wrap; gap: 12px; }
    .page-title { font-size: 1.3rem; }
    .nav-right { gap: 8px; }
    .nav-user { display: none; }
    .admin-grid-stats { grid-template-columns: 1fr 1fr !important; }
    .admin-table { font-size: 0.82rem; }
}

/* ====== ADMIN PANEL ====== */
.nav-link-admin { color: var(--warning) !important; }
.nav-link-admin.active { color: var(--warning) !important; border-color: var(--warning) !important; }
.nav-link-admin svg { stroke: var(--warning); }

.admin-grid-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-bottom: 24px; }
.admin-stat {
    background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-sm);
    padding: 18px; text-align: center;
}
.admin-stat .stat-value { font-size: 1.6rem; font-weight: 800; color: var(--text); }
.admin-stat .stat-label { font-size: 0.78rem; color: var(--text-muted); margin-top: 2px; }

.admin-tabs {
    display: flex; gap: 6px; margin-bottom: 20px; flex-wrap: wrap;
    border-bottom: 1px solid var(--border); padding-bottom: 12px;
}
.admin-tab {
    padding: 8px 18px; border-radius: var(--radius-xs); border: 1px solid var(--border);
    background: var(--bg-card); color: var(--text-dim); cursor: pointer; font-size: 0.85rem;
    transition: var(--transition);
}
.admin-tab:hover { background: var(--bg-card-hover); color: var(--text); }
.admin-tab.active { background: var(--primary); color: #fff; border-color: var(--primary); }

.admin-toolbar {
    display: flex; gap: 10px; margin-bottom: 16px; flex-wrap: wrap; align-items: center;
}
.admin-toolbar input, .admin-toolbar select {
    padding: 8px 14px; border-radius: var(--radius-xs); border: 1px solid var(--border);
    background: var(--bg-input); color: var(--text); font-size: 0.85rem;
}
.admin-toolbar input { flex: 1; min-width: 200px; max-width: 320px; }

.admin-table {
    width: 100%; border-collapse: collapse; font-size: 0.85rem;
}
.admin-table th {
    text-align: left; padding: 10px 12px; color: var(--text-muted); font-weight: 600;
    border-bottom: 2px solid var(--border); font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.5px;
}
.admin-table td {
    padding: 10px 12px; border-bottom: 1px solid var(--border);
    color: var(--text-dim); vertical-align: middle;
}
.admin-table tr:hover td { background: var(--bg-card-hover); }

.admin-badge {
    display: inline-block; padding: 2px 10px; border-radius: 20px; font-size: 0.72rem;
    font-weight: 700; text-transform: uppercase; letter-spacing: 0.3px;
}
.admin-badge-success { background: var(--success-bg); color: var(--success); }
.admin-badge-warning { background: var(--warning-bg); color: var(--warning); }
.admin-badge-danger { background: var(--danger-bg); color: var(--danger); }
.admin-badge-info { background: rgba(59,130,246,0.12); color: var(--primary); }
.admin-badge-gray { background: rgba(100,116,139,0.15); color: var(--text-muted); }

.admin-btn-sm {
    padding: 4px 12px; border-radius: var(--radius-xs); border: 1px solid var(--border);
    background: var(--bg-card); color: var(--text-dim); cursor: pointer; font-size: 0.78rem;
    transition: var(--transition);
}
.admin-btn-sm:hover { background: var(--primary); color: #fff; border-color: var(--primary); }
.admin-btn-sm.active { background: var(--primary); color: #fff; border-color: var(--primary); }

.admin-pagination {
    display: flex; gap: 8px; align-items: center; justify-content: center;
    margin-top: 20px; color: var(--text-muted); font-size: 0.85rem;
}
.admin-pagination button {
    padding: 6px 14px; border-radius: var(--radius-xs); border: 1px solid var(--border);
    background: var(--bg-card); color: var(--text); cursor: pointer;
}
.admin-pagination button:disabled { opacity: 0.4; cursor: default; }
.admin-pagination button:hover:not(:disabled) { background: var(--primary); border-color: var(--primary); }

.admin-card-scroll { overflow-x: auto; }
.admin-revenue { color: var(--success); font-weight: 800; }

/* Charts */
.card canvas { width: 100%; display: block; }

/* ====== LANGUAGE SWITCHER ====== */
.lang-switcher { display: flex; gap: 4px; align-items: center; margin: 0 8px; }
.lang-btn {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-muted);
    padding: 3px 8px;
    border-radius: var(--radius-xs);
    font-size: 0.75rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    letter-spacing: 0.5px;
}
.lang-btn:hover { border-color: var(--primary); color: var(--text); }
.lang-btn.active {
    background: var(--primary);
    border-color: var(--primary);
    color: #fff;
}

/* Auth page lang switcher centered */
.auth-card .lang-switcher {
    justify-content: center;
    margin: 0 0 16px 0;
}

/* Region selector in auth */
.auth-card select.form-input {
    appearance: auto;
    -webkit-appearance: auto;
    background: var(--bg-input);
}

/* ====== RESPONSIVE LANG SWITCHER ====== */
@media (max-width: 768px) {
    .lang-switcher { margin: 0 4px; }
    .lang-btn { padding: 2px 6px; font-size: 0.7rem; }
}