:root {
    --bg-main: #0a0a0c; /* Более глубокий черный с оттенком синего */
    --bg-sidebar: #0f0f12; 
    --bg-card: #16161a; 
    --bg-hover: #1e1e24; 
    --bg-input: #0d0d0f;
    --border: rgba(255, 255, 255, 0.05);
    --border-bright: rgba(255, 255, 255, 0.1);
    --text-main: #ffffff;
    --text-muted: #888891;
    --primary: #5865f2; /* Более яркий indigo */
    --primary-glow: rgba(88, 101, 242, 0.3);
    --accent: #00d4ff; /* Неоновый голубой для акцентов */
    --danger: #ff4d4d;
    --success: #00ff9d;
    --warning: #ffaa00;
    --sidebar-width: 260px;
    --glass: rgba(255, 255, 255, 0.02);
}

* {
    box-sizing: border-box;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
    margin: 0;
    padding: 0;
    background-color: var(--bg-main);
    color: var(--text-main);
    font-family: 'Inter', -apple-system, system-ui, sans-serif;
    display: flex;
    height: 100vh;
    overflow: hidden;
    letter-spacing: -0.01em;
}

/* Custom Scrollbar */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--bg-hover); border-radius: 10px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

/* Sidebar Layout */
.app-container {
    display: flex;
    width: 100%;
    height: 100vh;
    background-image: 
        radial-gradient(circle at 0% 0%, rgba(88, 101, 242, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 100% 100%, rgba(0, 212, 255, 0.03) 0%, transparent 50%);
}

.sidebar {
    width: var(--sidebar-width);
    background-color: var(--bg-sidebar);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
    z-index: 10;
}

.sidebar-header {
    padding: 32px 24px;
    display: flex;
    align-items: center;
}

.logo {
    font-size: 22px;
    font-weight: 800;
    letter-spacing: -1px;
    color: #fff;
    display: flex;
    align-items: center;
    gap: 8px;
}

.logo span {
    color: var(--primary);
    filter: drop-shadow(0 0 8px var(--primary-glow));
}

.sidebar-nav {
    flex: 1;
    padding: 12px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    border-radius: 12px;
    color: var(--text-muted);
    text-decoration: none;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 4px;
    cursor: pointer;
}

.nav-item:hover {
    background-color: var(--bg-hover);
    color: #fff;
}

.nav-item.active {
    background-color: rgba(88, 101, 242, 0.1);
    color: var(--primary);
}

.nav-item i {
    width: 20px;
    text-align: center;
    font-size: 18px;
    opacity: 0.7;
}

.nav-item.active i {
    opacity: 1;
    color: var(--primary);
}

.sidebar-footer {
    padding: 24px;
    border-top: 1px solid var(--border);
}

/* Main Content Area */
.main-content {
    flex: 1;
    overflow-y: auto;
    padding: 48px 24px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.content-width {
    width: 100%;
    max-width: 900px;
}

.page-title {
    margin-bottom: 40px;
    font-size: 36px;
    font-weight: 900;
    letter-spacing: -1.5px;
    background: linear-gradient(135deg, #fff 0%, #a5a5a5 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Modern Cards */
.settings-group {
    background-color: var(--bg-card);
    border-radius: 20px;
    overflow: hidden;
    margin-bottom: 24px;
    border: 1px solid var(--border);
    box-shadow: 0 4px 20px rgba(0,0,0,0.2);
}

.settings-row {
    display: flex;
    align-items: center;
    padding: 20px 24px;
    border-bottom: 1px solid var(--border);
    gap: 20px;
}

.settings-row:last-child {
    border-bottom: none;
}

.settings-row:hover {
    background-color: var(--bg-hover);
}

.row-icon {
    font-size: 22px;
    color: var(--primary);
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(88, 101, 242, 0.1);
    border-radius: 12px;
}

.row-content {
    flex: 1;
}

.row-title {
    font-weight: 700;
    font-size: 16px;
    margin-bottom: 2px;
}

.row-subtitle {
    font-size: 13px;
    color: var(--text-muted);
}

/* Protection Badge */
.badge-status {
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge-active { background: rgba(0, 255, 157, 0.1); color: var(--success); border: 1px solid rgba(0, 255, 157, 0.2); }
.badge-waiting { background: rgba(255, 170, 0, 0.1); color: var(--warning); border: 1px solid rgba(255, 170, 0, 0.2); }

/* Modern Buttons */
.btn {
    border-radius: 12px;
    padding: 10px 20px;
    font-size: 14px;
    font-weight: 700;
    border: 1px solid var(--border-bright);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

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

.btn-primary:hover {
    background-color: #2a2a32;
    border-color: var(--text-muted);
}

.btn-accent {
    background-color: var(--primary);
    color: white;
    border: none;
    box-shadow: 0 4px 15px var(--primary-glow);
}

.btn-accent:hover {
    background-color: #4752c4;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px var(--primary-glow);
}

/* Stats Cards */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 32px;
}

.stat-card {
    background: var(--bg-card);
    padding: 24px;
    border-radius: 20px;
    border: 1px solid var(--border);
}

.stat-value {
    font-size: 28px;
    font-weight: 800;
    margin-top: 8px;
    color: var(--primary);
}

.stat-label {
    font-size: 13px;
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Tables */
.data-table {
    width: 100%;
    border-collapse: collapse;
}

.data-table th {
    text-align: left;
    padding: 16px 24px;
    font-size: 11px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    border-bottom: 1px solid var(--border);
}

.data-table td {
    padding: 18px 24px;
    border-bottom: 1px solid var(--border);
    font-size: 14px;
}

/* Inputs */
.form-control {
    background-color: var(--bg-input);
    border: 1px solid var(--border-bright);
    border-radius: 12px;
    padding: 12px 16px;
    color: white;
    width: 100%;
    font-family: inherit;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px var(--primary-glow);
}

/* Toggle Switch - Modern */
.toggle-switch {
    position: relative;
    width: 44px;
    height: 24px;
}

.toggle-switch input { opacity: 0; width: 0; height: 0; }
.toggle-switch label {
    position: absolute;
    cursor: pointer;
    top: 0; left: 0; right: 0; bottom: 0;
    background-color: var(--bg-hover);
    transition: .4s;
    border-radius: 34px;
    border: 1px solid var(--border-bright);
}

.toggle-switch label:before {
    position: absolute;
    content: "";
    height: 16px;
    width: 16px;
    left: 3px;
    bottom: 3px;
    background-color: white;
    transition: .4s;
    border-radius: 50%;
}

.toggle-switch input:checked + label { background-color: var(--primary); border-color: transparent; }
.toggle-switch input:checked + label:before { transform: translateX(20px); }

/* Modal Modern */
.modal {
    background: rgba(0,0,0,0.85) !important;
    backdrop-filter: blur(8px);
}

.card {
    background: var(--bg-card);
    border: 1px solid var(--border-bright);
    border-radius: 24px;
    box-shadow: 0 20px 50px rgba(0,0,0,0.5);
}

/* Auth Pages Redesign */
.auth-layout {
    display: flex;
    min-height: 100vh;
    align-items: center;
    justify-content: center;
    background-color: var(--bg-main); /* Чистый темный фон */
}

.auth-container {
    width: 100%;
    max-width: 420px;
    padding: 20px;
}

.auth-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 24px;
    padding: 40px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.4);
}

.auth-header {
    text-align: center;
    margin-bottom: 32px;
}

.auth-header h2 {
    font-size: 28px;
    margin-bottom: 8px;
    font-weight: 800;
}

.auth-header p {
    color: var(--text-muted);
    font-size: 14px;
}

.auth-footer {
    margin-top: 32px;
    text-align: center;
    font-size: 14px;
    color: var(--text-muted);
}

.auth-footer a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
}

.auth-footer a:hover {
    text-decoration: underline;
}

/* Improved Inputs */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-muted);
}

.form-control {
    width: 100%;
    background-color: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 12px 16px;
    color: var(--text-main);
    font-size: 15px;
    transition: 0.2s;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1);
}

/* Professional Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    border-radius: 12px;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    font-size: 14px;
    border: none;
    gap: 10px;
    transition: 0.2s;
}

.btn-primary {
    background-color: var(--primary);
    color: white;
}

.btn-primary:hover {
    background-color: var(--primary-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-main);
}

.btn-outline:hover {
    border-color: var(--text-muted);
    background: rgba(255,255,255,0.02);
}

/* Links in Chat */
.ai-msg a, .msg-admin a {
    color: var(--primary);
    text-decoration: underline;
    font-weight: 600;
}

.ai-msg a:hover {
    opacity: 0.8;
}

/* Footer Contacts */
.site-footer {
    border-top: 1px solid var(--border);
    padding: 40px 0;
    margin-top: 60px;
    color: var(--text-muted);
    font-size: 14px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 40px;
}

.footer-col h4 {
    color: var(--text-main);
    margin-bottom: 16px;
    font-size: 16px;
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    color: var(--text-muted);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 8px;
}

.footer-links a:hover {
    color: var(--primary);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

header {
    height: 70px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 40px;
    background: rgba(0,0,0,0.8);
    backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 100;
}

.logo {
    font-size: 20px;
    font-weight: 800;
    letter-spacing: -0.5px;
    color: var(--text-main);
}

.logo span {
    color: var(--primary);
}

.card {
    background-color: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 24px;
    margin-bottom: 24px;
}

.card:hover {
    border-color: #333;
}

h1, h2, h3 {
    margin-top: 0;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 20px;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    font-size: 14px;
    border: none;
    gap: 8px;
}

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

.btn-primary:hover {
    background-color: #eee;
    transform: translateY(-1px);
}

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

.btn-outline {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-main);
}

.btn-outline:hover {
    border-color: var(--text-muted);
}

.form-control {
    width: 100%;
    background-color: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 12px 16px;
    color: var(--text-main);
    font-size: 14px;
    margin-bottom: 16px;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
}

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

th {
    text-align: left;
    color: var(--text-muted);
    font-size: 12px;
    text-transform: uppercase;
    padding: 12px 16px;
    border-bottom: 1px solid var(--border);
}

td {
    padding: 16px;
    border-bottom: 1px solid var(--border);
    font-size: 14px;
}

.status-badge {
    padding: 4px 8px;
    border-radius: 6px;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
}

.status-ok { background: rgba(0, 255, 102, 0.1); color: var(--primary); }
.status-pending { background: rgba(255, 170, 0, 0.1); color: #ffaa00; }

.toggle-switch {
    position: relative;
    display: inline-block;
    width: 44px;
    height: 24px;
}

.toggle-switch input { display: none; }

.toggle-switch label {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background-color: var(--secondary);
    border-radius: 24px;
    cursor: pointer;
}

.toggle-switch label:before {
    content: "";
    position: absolute;
    height: 18px; width: 18px;
    left: 3px; bottom: 3px;
    background-color: white;
    border-radius: 50%;
    transition: 0.3s;
}

.toggle-switch input:checked + label { background-color: var(--primary); }
.toggle-switch input:checked + label:before { transform: translateX(20px); }

/* Grid */
.dashboard-grid {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 24px;
}

@media (max-width: 768px) {
    .dashboard-grid { grid-template-columns: 1fr; }
}