/* ========================================
   BackupWeb - Premium Dark Theme
   ======================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
    /* Color System */
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --bg-card: #1a1a2e;
    --bg-card-hover: #1e1e35;
    --bg-input: #16162a;

    --border-color: rgba(255, 255, 255, 0.06);
    --border-hover: rgba(255, 255, 255, 0.12);

    --text-primary: #f0f0f5;
    --text-secondary: #8888a0;
    --text-muted: #555570;

    --accent: #3b82f6;
    --accent-hover: #2563eb;
    --accent-glow: rgba(59, 130, 246, 0.15);

    --success: #22c55e;
    --success-bg: rgba(34, 197, 94, 0.1);
    --danger: #ef4444;
    --danger-bg: rgba(239, 68, 68, 0.1);
    --warning: #f59e0b;
    --warning-bg: rgba(245, 158, 11, 0.1);
    --info: #06b6d4;
    --info-bg: rgba(6, 182, 212, 0.1);

    /* Spacing */
    --radius: 12px;
    --radius-sm: 8px;
    --radius-lg: 16px;

    /* Transitions */
    --transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html, body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    font-size: 14px;
    line-height: 1.6;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
}

/* ========================================
   Layout
   ======================================== */

.app-layout {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: 260px;
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 100;
    transition: var(--transition);
}

.sidebar-brand {
    padding: 24px 20px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 12px;
}

.sidebar-brand .brand-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--accent), #8b5cf6);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    flex-shrink: 0;
}

.sidebar-brand h1 {
    font-size: 16px;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--text-primary);
}

.sidebar-brand .brand-sub {
    font-size: 11px;
    color: var(--text-muted);
    font-weight: 400;
}

.sidebar-nav {
    flex: 1;
    padding: 16px 12px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.nav-label {
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-muted);
    padding: 16px 12px 8px;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 12px;
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 13px;
    font-weight: 500;
    transition: var(--transition);
}

.nav-link:hover {
    background: rgba(255, 255, 255, 0.04);
    color: var(--text-primary);
}

.nav-link.active {
    background: var(--accent-glow);
    color: var(--accent);
}

.nav-link .nav-icon {
    font-size: 18px;
    width: 24px;
    text-align: center;
    flex-shrink: 0;
}

.sidebar-footer {
    padding: 16px 12px;
    border-top: 1px solid var(--border-color);
}

/* Main Content */
.main-content {
    flex: 1;
    margin-left: 260px;
    padding: 32px;
    min-height: 100vh;
}

.page-header {
    margin-bottom: 32px;
}

.page-header h2 {
    font-size: 24px;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 4px;
}

.page-header .page-subtitle {
    color: var(--text-secondary);
    font-size: 13px;
}

/* ========================================
   Cards
   ======================================== */

.card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    overflow: hidden;
    transition: var(--transition);
}

.card:hover {
    border-color: var(--border-hover);
}

.card-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card-header h3 {
    font-size: 14px;
    font-weight: 600;
}

.card-body {
    padding: 20px;
}

/* Stat Cards */
.stat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 16px;
    margin-bottom: 32px;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 20px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--stat-accent, var(--accent));
    opacity: 0.7;
}

.stat-card:hover {
    transform: translateY(-2px);
    border-color: var(--border-hover);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.stat-card .stat-icon {
    font-size: 28px;
    margin-bottom: 12px;
    opacity: 0.9;
}

.stat-card .stat-value {
    font-size: 28px;
    font-weight: 700;
    letter-spacing: -0.03em;
    margin-bottom: 4px;
}

.stat-card .stat-label {
    font-size: 12px;
    color: var(--text-secondary);
    font-weight: 500;
}

/* ========================================
   Tables
   ======================================== */

.table-wrapper {
    overflow-x: auto;
}

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

table th {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-muted);
    padding: 12px 16px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

table td {
    padding: 14px 16px;
    border-bottom: 1px solid var(--border-color);
    font-size: 13px;
}

table tr:hover td {
    background: rgba(255, 255, 255, 0.02);
}

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

/* ========================================
   Badges
   ======================================== */

.badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px;
    border-radius: 100px;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.02em;
}

.badge-success {
    background: var(--success-bg);
    color: var(--success);
}

.badge-danger {
    background: var(--danger-bg);
    color: var(--danger);
}

.badge-warning {
    background: var(--warning-bg);
    color: var(--warning);
}

.badge-info {
    background: var(--info-bg);
    color: var(--info);
}

.badge-neutral {
    background: rgba(255, 255, 255, 0.06);
    color: var(--text-secondary);
}

/* ========================================
   Buttons
   ======================================== */

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-weight: 500;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    font-family: inherit;
    line-height: 1.4;
}

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

.btn-primary:hover {
    background: var(--accent-hover);
    box-shadow: 0 4px 16px rgba(59, 130, 246, 0.3);
}

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

.btn-success:hover {
    filter: brightness(1.1);
}

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

.btn-danger:hover {
    filter: brightness(1.1);
}

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

.btn-ghost:hover {
    background: rgba(255, 255, 255, 0.04);
    border-color: var(--border-hover);
    color: var(--text-primary);
}

.btn-sm {
    padding: 5px 10px;
    font-size: 12px;
}

.btn-lg {
    padding: 12px 24px;
    font-size: 14px;
}

/* ========================================
   Forms
   ======================================== */

.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 6px;
    letter-spacing: 0.02em;
}

.form-control {
    width: 100%;
    padding: 10px 14px;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 13px;
    font-family: inherit;
    transition: var(--transition);
}

.form-control:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

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

.form-hint {
    font-size: 11px;
    color: var(--text-muted);
    margin-top: 4px;
}

/* Checkbox / Toggle */
.toggle-group {
    display: flex;
    align-items: center;
    gap: 10px;
}

.toggle {
    position: relative;
    width: 44px;
    height: 24px;
    appearance: none;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    cursor: pointer;
    transition: var(--transition);
}

.toggle:checked {
    background: var(--accent);
    border-color: var(--accent);
}

.toggle::after {
    content: '';
    position: absolute;
    top: 3px;
    left: 3px;
    width: 16px;
    height: 16px;
    background: white;
    border-radius: 50%;
    transition: var(--transition);
}

.toggle:checked::after {
    left: 23px;
}

/* Day Selector */
.day-selector {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

.day-chip {
    display: none;
}

.day-chip + label {
    padding: 6px 14px;
    border-radius: 100px;
    font-size: 12px;
    font-weight: 500;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
    user-select: none;
}

.day-chip:checked + label {
    background: var(--accent-glow);
    border-color: var(--accent);
    color: var(--accent);
}

.day-chip + label:hover {
    border-color: var(--border-hover);
}

/* ========================================
   Alerts
   ======================================== */

.alert {
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    font-size: 13px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
    animation: slideDown 0.3s ease;
}

@keyframes slideDown {
    from { opacity: 0; transform: translateY(-8px); }
    to { opacity: 1; transform: translateY(0); }
}

.alert-success {
    background: var(--success-bg);
    color: var(--success);
    border: 1px solid rgba(34, 197, 94, 0.2);
}

.alert-danger {
    background: var(--danger-bg);
    color: var(--danger);
    border: 1px solid rgba(239, 68, 68, 0.2);
}

/* ========================================
   Login Page
   ======================================== */

.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: var(--bg-primary);
}

.login-card {
    width: 400px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 40px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

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

.login-card .login-icon {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--accent), #8b5cf6);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    margin: 0 auto 16px;
}

.login-card h2 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 4px;
}

.login-card .login-sub {
    font-size: 13px;
    color: var(--text-secondary);
}

.login-card .btn-primary {
    width: 100%;
    justify-content: center;
    padding: 12px;
    font-size: 14px;
    font-weight: 600;
}

/* ========================================
   Utilities
   ======================================== */

.text-success { color: var(--success); }
.text-danger { color: var(--danger); }
.text-warning { color: var(--warning); }
.text-muted { color: var(--text-muted); }
.text-secondary { color: var(--text-secondary); }

.flex { display: flex; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-2 { gap: 8px; }
.gap-3 { gap: 12px; }
.gap-4 { gap: 16px; }
.mt-2 { margin-top: 8px; }
.mt-4 { margin-top: 16px; }
.mb-4 { margin-bottom: 16px; }
.ml-auto { margin-left: auto; }
.w-full { width: 100%; }

.mono {
    font-family: 'JetBrains Mono', 'Fira Code', monospace;
    font-size: 12px;
}

.empty-state {
    text-align: center;
    padding: 48px 20px;
    color: var(--text-muted);
}

.empty-state .empty-icon {
    font-size: 48px;
    margin-bottom: 16px;
    opacity: 0.5;
}

.empty-state p {
    font-size: 14px;
    margin-bottom: 20px;
}

/* ========================================
   Responsive
   ======================================== */

@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }

    .main-content {
        margin-left: 0;
        padding: 20px;
    }

    .stat-grid {
        grid-template-columns: 1fr;
    }
}

/* ========================================
   Scrollbar
   ======================================== */

::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.2);
}

/* ========================================
   Animations
   ======================================== */

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.animate-pulse {
    animation: pulse 2s ease-in-out infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.animate-spin {
    animation: spin 1s linear infinite;
}

/* ========================================
   Storage Bar
   ======================================== */

.storage-bar {
    width: 100%;
    height: 8px;
    background: var(--bg-input);
    border-radius: 4px;
    overflow: hidden;
}

.storage-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--accent), var(--info));
    border-radius: 4px;
    transition: width 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    min-width: 2px;
}

.storage-bar-danger {
    background: linear-gradient(90deg, var(--warning), var(--danger)) !important;
}

/* ========================================
   Filter Row
   ======================================== */

.filter-row {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    align-items: flex-end;
}

.filter-row .form-control {
    min-width: 160px;
}

/* ========================================
   Detail Grid (Restore Confirm)
   ======================================== */

.detail-grid {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.detail-row {
    display: flex;
    gap: 12px;
    align-items: baseline;
}

.detail-label {
    color: var(--text-secondary);
    font-size: 12px;
    font-weight: 500;
    min-width: 100px;
}

/* ========================================
   Compact Table
   ======================================== */

.table-compact td,
.table-compact th {
    padding: 8px 12px;
    font-size: 12px;
}

/* ========================================
   Checkbox Styling
   ======================================== */

input[type="checkbox"]:not(.toggle):not(.day-chip) {
    width: 16px;
    height: 16px;
    accent-color: var(--accent);
    cursor: pointer;
}

/* ========================================
   Additional Utilities
   ======================================== */

.mb-2 { margin-bottom: 8px; }
.mb-3 { margin-bottom: 12px; }
.mt-3 { margin-top: 12px; }
.flex-wrap { flex-wrap: wrap; }

code {
    padding: 2px 6px;
    background: var(--bg-input);
    border-radius: 4px;
    font-family: 'JetBrains Mono', 'Fira Code', monospace;
    font-size: 12px;
}

/* ========================================
   FTP Server Cards
   ======================================== */

.ftp-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
    gap: 16px;
}

.ftp-card {
    transition: var(--transition);
}

.ftp-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.ftp-disabled {
    opacity: 0.5;
}

.ftp-status {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--text-muted);
    flex-shrink: 0;
}

.ftp-status-active {
    background: var(--success);
    box-shadow: 0 0 8px rgba(34, 197, 94, 0.4);
}

.ftp-detail-grid {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 16px;
}

.ftp-detail {
    display: flex;
    gap: 8px;
    align-items: baseline;
    font-size: 13px;
}

.ftp-detail-label {
    color: var(--text-muted);
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    min-width: 50px;
}

.ftp-paths {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

.ftp-path-chip {
    padding: 2px 8px;
    background: var(--accent-glow);
    border: 1px solid rgba(59, 130, 246, 0.2);
    border-radius: 4px;
    color: var(--accent);
    font-size: 11px;
}

.ftp-actions {
    display: flex;
    gap: 6px;
    padding-top: 12px;
    border-top: 1px solid var(--border-color);
}

/* Protocol Selector */
.protocol-selector {
    display: flex;
    gap: 6px;
}

.protocol-chip {
    display: none;
}

.protocol-chip + label {
    padding: 8px 20px;
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-weight: 500;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
    user-select: none;
}

.protocol-chip:checked + label {
    background: var(--accent-glow);
    border-color: var(--accent);
    color: var(--accent);
}

.protocol-chip + label:hover {
    border-color: var(--border-hover);
}

/* Form Row */
.form-row {
    display: flex;
    gap: 16px;
}

@media (max-width: 768px) {
    .ftp-grid {
        grid-template-columns: 1fr;
    }
    .form-row {
        flex-direction: column;
    }
}

/* ═══════════════════════════════════════════════════════ */
/* Domain Monitor                                         */
/* ═══════════════════════════════════════════════════════ */
.monitor-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.monitor-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 20px;
    transition: border-color 0.3s;
    border-left: 4px solid var(--border);
}
.monitor-card.monitor-up { border-left-color: var(--success); }
.monitor-card.monitor-down { border-left-color: var(--danger); }
.monitor-card.monitor-ssl-warn { border-left-color: var(--warning); }
.monitor-card.monitor-unknown { border-left-color: var(--text-secondary); }

.monitor-card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 16px;
}

.monitor-card-info {
    display: flex;
    align-items: center;
    gap: 12px;
}

.monitor-status-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    flex-shrink: 0;
    background: var(--text-secondary);
}
.monitor-status-dot.monitor-up { background: var(--success); box-shadow: 0 0 8px rgba(34, 197, 94, 0.5); }
.monitor-status-dot.monitor-down { background: var(--danger); box-shadow: 0 0 8px rgba(239, 68, 68, 0.5); animation: pulse-dot 1.5s infinite; }
.monitor-status-dot.monitor-ssl-warn { background: var(--warning); }

@keyframes pulse-dot {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

.monitor-domain-name {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    text-decoration: none;
}
.monitor-domain-name:hover {
    color: var(--accent);
}

.monitor-domain-url {
    font-size: 12px;
    color: var(--text-secondary);
    font-family: 'JetBrains Mono', monospace;
}

.monitor-card-stats {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 6px;
}

.monitor-uptime {
    font-size: 24px;
    font-weight: 700;
    font-family: 'JetBrains Mono', monospace;
}

.monitor-badge-row {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
    justify-content: flex-end;
}

/* Uptime Bar */
.uptime-bar {
    display: flex;
    gap: 2px;
    height: 24px;
    margin-bottom: 4px;
}
.uptime-bar-large {
    height: 32px;
    gap: 3px;
}

.uptime-day {
    flex: 1;
    border-radius: 3px;
    cursor: pointer;
    transition: transform 0.15s, opacity 0.15s;
    min-width: 4px;
}
.uptime-day:hover {
    transform: scaleY(1.3);
    opacity: 0.85;
}

.uptime-day-up { background: var(--success); opacity: 0.7; }
.uptime-day-up:hover { opacity: 1; }
.uptime-day-down { background: var(--danger); }
.uptime-day-ssl { background: var(--warning); opacity: 0.7; }
.uptime-day-empty { background: var(--bg-secondary); opacity: 0.3; }

.uptime-bar-labels {
    display: flex;
    justify-content: space-between;
    font-size: 11px;
    color: var(--text-muted);
    margin-bottom: 12px;
}

.monitor-card-actions {
    display: flex;
    gap: 8px;
    padding-top: 12px;
    border-top: 1px solid var(--border);
}

/* Text helpers */
.text-success { color: var(--success) !important; }
.text-warning { color: var(--warning) !important; }
.text-danger { color: var(--danger) !important; }
.mt-2 { margin-top: 8px; }
.mt-3 { margin-top: 12px; }