:root {
    --primary: #1e60d1;
    --primary-light: #3b82f6;
    --primary-dark: #1a4fc7;
    --primary-50: #eff6ff;
    --primary-100: #dbeafe;
    --primary-200: #bfdbfe;
    --accent: #f59e0b;
    --accent-light: #fbbf24;
    --bg-color: #f8faff;
    --card-bg: #ffffff;
    --card-border: rgba(30, 96, 209, 0.08);
    --text-primary: #0f172a;
    --text-secondary: #64748b;
    --success: #10b981;
    --success-bg: rgba(16, 185, 129, 0.1);
    --danger: #ef4444;
    --danger-bg: rgba(239, 68, 68, 0.1);
    --warning: #f59e0b;
    --warning-bg: rgba(245, 158, 11, 0.1);
    --shadow: 0 10px 30px rgba(30, 96, 209, 0.04);
    --shadow-xl: 0 20px 40px -8px rgba(0, 0, 0, 0.06);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    min-height: 100vh;
    margin: 0;
    padding: 0;
}

/* Full Screen Layout */
.dashboard-container {
    display: flex;
    width: 100vw;
    height: 100vh;
    background: var(--bg-color);
    overflow: hidden;
}

/* Sidebar - Premium White Sidebar */
.sidebar {
    width: 260px;
    background: #ffffff;
    border-right: 1px solid var(--card-border);
    padding: 30px 20px;
    display: flex;
    flex-direction: column;
    gap: 40px;
    height: 100%;
    z-index: 10;
    flex-shrink: 0;
}

.logo-area {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    padding: 10px 4px;
}

.logo-icon {
    width: 200px;
    height: 48px;
    background-image: url('https://standartkassa.ru/wp-content/uploads/2026/06/mlogo.svg');
    background-size: contain;
    background-repeat: no-repeat;
    background-position: left center;
    display: block;
}

.status-dot-green {
    width: 8px;
    height: 8px;
    background-color: #10b981;
    border-radius: 50%;
    display: inline-block;
    box-shadow: 0 0 0 rgba(16, 185, 129, 0.4);
    animation: pulse-green 2s infinite;
    vertical-align: middle;
    margin-right: 4px;
}

@keyframes pulse-green {
    0% {
        transform: scale(0.95);
        box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
    }
    70% {
        transform: scale(1);
        box-shadow: 0 0 0 6px rgba(16, 185, 129, 0);
    }
    100% {
        transform: scale(0.95);
        box-shadow: 0 0 0 0 rgba(16, 185, 129, 0);
    }
}

.nav-links {
    display: flex;
    flex-direction: column;
    gap: 8px;
    width: 100%;
}

.nav-links a {
    display: flex;
    align-items: center;
    gap: 14px;
    color: var(--text-secondary);
    text-decoration: none;
    padding: 12px 18px;
    border-radius: 12px;
    transition: var(--transition);
    font-size: 14px;
    font-weight: 600;
}

.nav-links a .icon {
    font-size: 18px;
}

.nav-links a:hover {
    color: var(--primary);
    background: var(--primary-50);
}

.nav-links a.active {
    color: var(--primary);
    background: var(--primary-50);
    border: 1px solid var(--primary-100);
}

.sync-actions {
    margin-top: auto;
    width: 100%;
}

/* Small sync action link inside sidebar */
#btnSync {
    width: 100%;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    border: none;
    padding: 12px 20px;
    border-radius: 12px;
    color: #ffffff;
    font-weight: 700;
    font-size: 13px;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(30, 96, 209, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

#btnSync:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(30, 96, 209, 0.35);
}

/* Main Content Area */
.main-content {
    flex-grow: 1;
    padding: 30px 40px;
    display: flex;
    flex-direction: column;
    gap: 25px;
    overflow-y: auto;
    height: 100%;
}

/* Custom Scrollbar for Main Content */
.main-content::-webkit-scrollbar {
    width: 8px;
}
.main-content::-webkit-scrollbar-track {
    background: transparent;
}
.main-content::-webkit-scrollbar-thumb {
    background: rgba(0, 0, 0, 0.05);
    border-radius: 10px;
}
.main-content::-webkit-scrollbar-thumb:hover {
    background: rgba(0, 0, 0, 0.1);
}

/* Top bar / Header */
.top-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.top-bar h1 {
    color: var(--text-primary);
    font-weight: 800;
    font-size: 24px;
    letter-spacing: -0.5px;
}

.top-bar-controls {
    display: flex;
    align-items: center;
    gap: 20px;
}

/* Header Mode Switch Toggle (На тесте / В работе) */
.header-mode-selector {
    display: flex;
    align-items: center;
    background: #ffffff;
    border: 1px solid var(--card-border);
    padding: 4px;
    border-radius: 14px;
    box-shadow: var(--shadow);
}

.header-toggle-option {
    padding: 8px 16px;
    font-size: 12px;
    font-weight: 700;
    cursor: pointer;
    border-radius: 10px;
    transition: var(--transition);
    user-select: none;
}

.header-toggle-option.active.test-mode {
    background: #eff6ff;
    color: var(--primary);
    border: 1px solid var(--primary-100);
}

.header-toggle-option.active.prod-mode {
    background: #ecfdf5;
    color: var(--success);
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.header-toggle-option:not(.active) {
    color: var(--text-secondary);
}

/* Blue Hero Section Banner */
.hero-section {
    background: linear-gradient(160deg, #0c1a3a 0%, #1a3a7a 40%, #1e60d1 100%);
    border-radius: 24px;
    padding: 35px 40px;
    color: #ffffff;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.hero-grid-pattern {
    position: absolute;
    inset: 0;
    background-image: linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    pointer-events: none;
}

/* Animated Wave Background for Analytics Hero Banner */
.analytics-hero {
    position: relative;
    overflow: hidden;
}

.wave-animation-wrapper {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 95px;
    overflow: hidden;
    line-height: 0;
    pointer-events: none;
    z-index: 1;
}

.wave-animation-wrapper svg {
    position: relative;
    display: block;
    width: 200%;
    height: 100%;
    animation: wave-move 14s linear infinite;
}

.wave-animation-wrapper svg.wave-layer-2 {
    position: absolute;
    top: 0;
    left: 0;
    animation: wave-move-reverse 20s linear infinite;
}

@keyframes wave-move {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-50%);
    }
}

@keyframes wave-move-reverse {
    0% {
        transform: translateX(-50%);
    }
    100% {
        transform: translateX(0);
    }
}

.hero-content {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.hero-header-text h2 {
    font-size: 32px;
    font-weight: 900;
    letter-spacing: -1px;
}

.hero-header-text p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.65);
    margin-top: 5px;
    font-weight: 500;
}

/* System Status Panel (Floating glass indicators) */
.system-status-panel {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.status-card-hero {
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 16px;
    padding: 16px 20px;
    display: flex;
    align-items: center;
    gap: 14px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.1);
    transition: var(--transition);
}

.status-card-hero:hover {
    transform: translateY(-2px);
    background: rgba(255, 255, 255, 0.12);
}

.status-icon-wrapper {
    font-size: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.1);
}

.status-info-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.status-info-text .label {
    font-size: 10px;
    color: rgba(255, 255, 255, 0.5);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 700;
}

.status-info-text .val {
    font-size: 13px;
    font-weight: 700;
    color: #ffffff;
    display: flex;
    align-items: center;
    gap: 6px;
}

/* Dot animation */
.status-dot-green {
    width: 6px;
    height: 6px;
    background-color: var(--success);
    border-radius: 50%;
    display: inline-block;
    box-shadow: 0 0 8px var(--success);
}

/* Glass Card */
.glass {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 20px;
    padding: 24px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.glass:hover {
    box-shadow: var(--shadow-xl);
    border-color: rgba(30, 96, 209, 0.15);
}

.glass h3 {
    color: var(--text-primary);
    font-weight: 800;
    font-size: 16px;
    margin-bottom: 20px;
    letter-spacing: -0.2px;
}

/* Layout Grids */
.dashboard-grid {
    display: grid;
    grid-template-columns: 1.6fr 1fr;
    gap: 25px;
}

/* Stats summary row */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
}

.stat-card {
    background: #ffffff;
    border: 1px solid var(--card-border);
    padding: 20px 24px;
    border-radius: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
    border-color: rgba(30, 96, 209, 0.15);
}

.card-info h3 {
    font-size: 11px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    color: var(--text-secondary);
    margin-bottom: 6px;
}

.card-info .number {
    font-size: 26px;
    font-weight: 900;
    color: var(--text-primary);
}

.card-icon {
    font-size: 22px;
    width: 46px;
    height: 46px;
    border-radius: 12px;
    background: var(--primary-50);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--primary-100);
}

/* Bottom Grid layout */
.bottom-grid {
    display: grid;
    grid-template-columns: 1.8fr 1fr;
    gap: 25px;
}

/* Charts Containers */
.chart-container {
    height: 280px;
    position: relative;
}

.doughnut-chart-wrapper {
    height: 200px;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

.doughnut-center-text {
    position: absolute;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.doughnut-center-text .percent {
    font-size: 28px;
    font-weight: 900;
    color: var(--primary);
}

.doughnut-center-text .label {
    font-size: 10px;
    color: var(--text-secondary);
    text-transform: uppercase;
    font-weight: 700;
    letter-spacing: 0.5px;
}

/* Operations Logs */
.logs-table-wrapper {
    overflow-y: auto;
    max-height: 350px;
}

.logs-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.log-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 18px;
    background: var(--bg-color);
    border: 1px solid var(--card-border);
    border-radius: 14px;
    cursor: pointer;
    transition: var(--transition);
}

.log-item:hover {
    transform: translateX(4px);
    border-color: var(--primary-200);
    background: #ffffff;
    box-shadow: var(--shadow);
}

.log-left {
    display: flex;
    align-items: center;
    gap: 14px;
}

.log-icon-container {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: #ffffff;
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    border: 1px solid var(--card-border);
}

.log-title-area {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.log-title {
    font-size: 13px;
    font-weight: 700;
    color: var(--text-primary);
}

.log-subtitle {
    font-size: 11px;
    color: var(--text-secondary);
}

.log-right {
    display: flex;
    align-items: center;
    gap: 12px;
}

.status-badge {
    font-size: 10px;
    font-weight: 800;
    padding: 4px 10px;
    border-radius: 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

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

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

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

.status-badge.partial {
    color: var(--primary-dark);
    background: var(--primary-100);
}

.status-badge.skipped {
    color: #64748b;
    background: #f1f5f9;
}

.status-badge.warning {
    color: #d97706;
    background: #fffbe6;
}

/* Gradient Action Card (Manual triggers) */
.gradient-action-card {
    background: linear-gradient(135deg, #0c1a3a 0%, #1a3a7a 100%);
    color: #ffffff;
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.gradient-action-card h3 {
    color: #ffffff;
}

.gradient-card-body {
    display: flex;
    flex-direction: column;
    gap: 15px;
    z-index: 2;
}

.gradient-card-body p {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.5;
}

.action-buttons {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-top: 10px;
}

.action-btn-primary {
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-light) 100%);
    border: none;
    color: #ffffff;
    padding: 12px 18px;
    border-radius: 12px;
    font-weight: 700;
    font-size: 13px;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(245, 158, 11, 0.3);
}

.action-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(245, 158, 11, 0.5);
}

.action-btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: #ffffff;
    padding: 12px 18px;
    border-radius: 12px;
    font-weight: 700;
    font-size: 13px;
    cursor: pointer;
    transition: var(--transition);
}

.action-btn-secondary:hover {
    background: rgba(255, 255, 255, 0.15);
}

.wave-illustration {
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 100%;
    opacity: 0.1;
    pointer-events: none;
    z-index: 1;
}

/* Settings Card and inputs */
.settings-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 25px;
}

.settings-card {
    background: #ffffff;
    border: 1px solid var(--card-border);
    border-radius: 20px;
    padding: 26px;
    box-shadow: var(--shadow);
}

.settings-card h3 {
    color: var(--text-primary);
    margin-bottom: 20px;
}

.form-group {
    margin-bottom: 18px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group-row {
    display: flex;
    gap: 15px;
}

.form-group-row .form-group {
    flex: 1;
}

label {
    font-size: 12px;
    font-weight: 700;
    color: var(--text-secondary);
}

input[type="text"], input[type="password"], select {
    background: var(--bg-color);
    border: 1px solid var(--card-border);
    padding: 12px 16px;
    border-radius: 12px;
    font-family: inherit;
    font-size: 13px;
    color: var(--text-primary);
    transition: var(--transition);
    outline: none;
    width: 100%;
}

input[type="text"]:focus, input[type="password"]:focus, select:focus {
    border-color: var(--primary-light);
    background: #ffffff;
    box-shadow: 0 0 0 4px var(--primary-100);
}

/* Settings Mode switch toggle */
.mode-switcher-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--bg-color);
    padding: 16px;
    border-radius: 16px;
    border: 1px solid var(--card-border);
}

.toggle-switch {
    position: relative;
    width: 180px;
    height: 42px;
}

.toggle-switch input {
    display: none;
}

.toggle-label {
    display: block;
    width: 100%;
    height: 100%;
    background: #cbd5e1;
    border-radius: 12px;
    position: relative;
    cursor: pointer;
    user-select: none;
    overflow: hidden;
}

.toggle-label span {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    font-size: 11px;
    font-weight: 800;
    z-index: 2;
    transition: var(--transition);
}

.test-label {
    left: 20px;
    color: #475569;
}

.prod-label {
    right: 20px;
    color: #475569;
}

.toggle-button {
    position: absolute;
    top: 3px;
    left: 3px;
    width: 87px;
    height: 36px;
    background: white;
    border-radius: 9px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    z-index: 1;
    transition: var(--transition);
}

.toggle-switch input:checked + .toggle-label {
    background: var(--primary-200);
}

.toggle-switch input:checked + .toggle-label .toggle-button {
    left: 90px;
    background: var(--primary);
    box-shadow: 0 4px 15px rgba(30, 96, 209, 0.4);
}

.toggle-switch input:checked + .toggle-label .test-label {
    color: #475569;
}

.toggle-switch input:checked + .toggle-label .prod-label {
    color: white;
}

/* Preset buttons for Cron */
.cron-presets {
    display: flex;
    gap: 8px;
    margin-top: 8px;
}

.cron-presets .btn-preset {
    background: var(--bg-color);
    border: 1px solid var(--card-border);
    padding: 6px 12px;
    border-radius: 8px;
    font-size: 11px;
    color: var(--text-secondary);
}

.cron-presets .btn-preset:hover {
    background: var(--primary-50);
    color: var(--primary);
}

/* Run History Table inside settings */
.logs-table-container {
    border-radius: 16px;
    border: 1px solid var(--card-border);
    overflow: hidden;
}

.logs-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}

.logs-table th {
    background: var(--bg-color);
    color: var(--text-secondary);
    font-weight: 700;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 14px 20px;
    border-bottom: 1px solid var(--card-border);
}

.logs-table td {
    padding: 14px 20px;
    border-bottom: 1px solid var(--bg-color);
    font-size: 13px;
    color: var(--text-primary);
}

.logs-table tbody tr {
    cursor: pointer;
    transition: var(--transition);
}

.logs-table tbody tr:hover {
    background: var(--bg-color);
}

/* Buttons styles */
.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    border: none;
    color: white;
    padding: 14px 28px;
    border-radius: 12px;
    font-weight: 700;
    font-size: 14px;
    cursor: pointer;
    box-shadow: 0 8px 25px rgba(30, 96, 209, 0.25);
    transition: var(--transition);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 35px rgba(30, 96, 209, 0.45);
}

.btn-secondary {
    background: var(--bg-color);
    border: 1px solid var(--card-border);
    color: var(--text-primary);
    padding: 14px 28px;
    border-radius: 12px;
    font-weight: 700;
    font-size: 14px;
    cursor: pointer;
    transition: var(--transition);
}

.btn-secondary:hover {
    background: #e2e8f0;
}

.btn-danger {
    background: linear-gradient(135deg, var(--danger) 0%, #f43f5e 100%);
    border: none;
    color: white;
    padding: 14px 28px;
    border-radius: 12px;
    font-weight: 700;
    font-size: 14px;
    cursor: pointer;
    box-shadow: 0 8px 25px rgba(239, 68, 68, 0.2);
    transition: var(--transition);
}

.btn-danger:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 35px rgba(239, 68, 68, 0.45);
}

/* Modals */
.modal {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: rgba(15, 23, 42, 0.4);
    backdrop-filter: blur(8px);
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    pointer-events: none;
    z-index: 100;
    transition: var(--transition);
}

.modal.active {
    opacity: 1;
    pointer-events: all;
}

.modal-content {
    background: #ffffff;
    border: 1px solid var(--card-border);
    backdrop-filter: blur(25px);
    border-radius: 28px;
    padding: 30px;
    width: 90%;
    max-width: 600px;
    box-shadow: var(--shadow-xl);
    position: relative;
    transform: scale(0.9);
    transition: var(--transition);
}

.modal.active .modal-content {
    transform: scale(1);
}

.close-btn {
    position: absolute;
    top: 20px; right: 20px;
    font-size: 24px;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
}

.close-btn:hover {
    color: var(--text-primary);
}

.modal-info-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
    margin-top: 15px;
}

.modal-info-grid p {
    font-size: 13px;
    color: var(--text-secondary);
}

.modal-info-grid strong {
    color: var(--text-primary);
}

.accent-link {
    color: var(--primary);
    font-weight: 700;
    text-decoration: none;
}

.accent-link:hover {
    text-decoration: underline;
}

.error-box {
    background: var(--danger-bg);
    border: 1px solid rgba(239, 68, 68, 0.2);
    color: var(--danger);
    padding: 12px;
    border-radius: 10px;
    font-family: monospace;
    font-size: 12px;
    margin-top: 8px;
    overflow-x: auto;
}

/* Extra alignments */
.buttons-row {
    display: flex;
    gap: 12px;
}

.buttons-row button {
    flex: 1;
}

#targetDateHint {
    font-size: 11px;
    color: var(--primary);
    font-weight: 700;
    margin-top: 4px;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

@keyframes pulse-progress {
    0% { opacity: 0.6; }
    50% { opacity: 1; }
    100% { opacity: 0.6; }
}

.btn-action-outline {
    background: transparent;
    border: 1px solid var(--primary);
    color: var(--primary);
    padding: 5px 12px;
    border-radius: 6px;
    font-weight: 700;
    font-size: 11px;
    cursor: pointer;
    transition: var(--transition);
    display: inline-block;
}

.btn-action-outline:hover {
    background: var(--primary);
    color: #ffffff;
}

.btn-action-outline:disabled {
    border-color: var(--text-secondary);
    color: var(--text-secondary);
    cursor: not-allowed;
    background: transparent;
    opacity: 0.6;
}

/* Modal Overlay & Dialog Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 999999;
    left: 0;
    top: 0;
    width: 100vw;
    height: 100vh;
    overflow-y: auto;
    background-color: rgba(10, 15, 30, 0.82);
    backdrop-filter: blur(8px);
}

.modal-content {
    background-color: #1a202c;
    color: #e2e8f0;
    margin: 40px auto;
    padding: 24px 28px;
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 14px;
    width: 90%;
    max-width: 720px;
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.7);
    position: relative;
}

@keyframes slideUpModal {
    from { transform: translateY(30px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.close-btn {
    position: absolute;
    right: 20px;
    top: 16px;
    color: #a0aec0;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    line-height: 1;
    transition: color 0.2s;
}

.close-btn:hover {
    color: #ffffff;
}

.modal-body {
    margin-top: 16px;
}

.modal-info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 12px;
    background: rgba(255, 255, 255, 0.03);
    padding: 16px;
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.modal-info-grid p {
    margin: 0;
    font-size: 0.9rem;
    color: #cbd5e0;
}

.error-box {
    background: rgba(229, 62, 62, 0.15);
    border: 1px solid rgba(229, 62, 62, 0.4);
    color: #feb2b2;
    padding: 12px 14px;
    border-radius: 8px;
    font-size: 0.88rem;
    font-family: monospace;
    word-break: break-word;
    margin-top: 6px;
}

.accent-link {
    color: #4299e1;
    text-decoration: none;
    font-weight: 600;
}

.accent-link:hover {
    text-decoration: underline;
    color: #90cdf4;
}

/* ==========================================================================
   Mobile & Tablet Responsive Design
   ========================================================================== */

.preview-modal-grid {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: 24px;
}

/* ── Tablet (≤ 1024px) ── */
@media (max-width: 1024px) {
    /* Layout: stack sidebar on top */
    .dashboard-container {
        flex-direction: column;
        height: auto;
        min-height: 100vh;
        overflow: visible;
    }

    .sidebar {
        width: 100%;
        height: auto;
        flex-direction: row;
        align-items: center;
        gap: 16px;
        padding: 12px 20px;
        border-right: none;
        border-bottom: 1px solid var(--card-border);
        position: sticky;
        top: 0;
        z-index: 100;
    }

    .sidebar .logo-area {
        padding: 0;
    }

    .nav-links {
        flex-direction: row;
        gap: 6px;
    }

    .nav-links a {
        padding: 8px 14px;
        font-size: 13px;
        gap: 8px;
    }

    .main-content {
        height: auto;
        overflow-y: visible;
        padding: 20px;
    }

    /* Top bar */
    .top-bar {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }

    .top-bar-controls {
        width: 100%;
        flex-wrap: wrap;
        gap: 10px;
    }

    /* Hero status cards: 2 per row */
    .system-status-panel {
        grid-template-columns: repeat(2, 1fr);
    }

    /* Stat cards: 2 per row */
    .stats-grid {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 14px;
    }

    /* Charts grid: stack */
    .dashboard-grid {
        grid-template-columns: 1fr;
    }

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

    /* Settings: single column */
    .settings-grid {
        grid-template-columns: 1fr;
    }

    /* Logs table horizontal scroll */
    .logs-table-container {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
}

/* ── Phone (≤ 640px) ── */
@media (max-width: 640px) {
    .sidebar {
        flex-direction: column;
        gap: 8px;
        padding: 10px 14px;
    }

    .logo-icon {
        width: 150px;
        height: 36px;
    }

    .nav-links {
        width: 100%;
        justify-content: center;
    }

    .nav-links a {
        flex: 1;
        text-align: center;
        justify-content: center;
        padding: 10px 6px;
        font-size: 12px;
        gap: 6px;
    }

    .main-content {
        padding: 14px 10px;
        gap: 16px;
    }

    .top-bar h1 {
        font-size: 1.2rem;
    }

    .top-bar-controls {
        flex-direction: column;
        gap: 8px;
    }

    /* Hero section */
    .hero-section {
        padding: 20px 16px;
        border-radius: 16px;
    }

    .hero-header-text h2 {
        font-size: 1.25rem;
    }

    .hero-header-text p {
        font-size: 12px;
    }

    /* Status cards: 1 per row */
    .system-status-panel {
        grid-template-columns: 1fr;
        gap: 10px;
    }

    /* Stat cards: 2 per row, tighter */
    .stats-grid {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 10px;
    }

    .stat-card {
        padding: 14px 16px;
        border-radius: 14px;
    }

    .card-info .number {
        font-size: 20px;
    }

    .card-info h3 {
        font-size: 10px;
    }

    .card-icon {
        width: 38px;
        height: 38px;
        font-size: 18px;
    }

    /* Analytics hero inline grid override */
    .analytics-hero > div:last-of-type:not(.hero-grid-pattern):not(.wave-animation-wrapper) {
        grid-template-columns: 1fr !important;
    }

    /* Glass cards */
    .glass {
        padding: 16px;
        border-radius: 14px;
    }

    /* Settings cards */
    .settings-card {
        padding: 18px;
    }

    .form-group-row {
        flex-direction: column;
        gap: 0;
    }

    /* Modal on phone */
    .preview-modal-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .preview-modal-inner {
        padding: 18px 14px !important;
        width: 98% !important;
        max-width: 98% !important;
    }

    .modal-content {
        width: 95%;
        margin: 20px auto;
        padding: 18px;
    }

    .modal-info-grid {
        grid-template-columns: 1fr;
    }

    /* Logs table: allow horizontal scroll */
    .logs-table {
        min-width: 700px;
    }

    .logs-table th,
    .logs-table td {
        padding: 10px 12px;
        font-size: 12px;
    }

    /* Buttons row */
    .buttons-row {
        flex-direction: column;
    }

    /* Cron presets wrap */
    .cron-presets {
        flex-wrap: wrap;
    }
}