:root {
    --bg: #070d19;
    --card: rgba(15, 23, 42, 0.8);
    --card-border: rgba(255, 255, 255, 0.08);
    --text-main: #f1f5f9;
    --text-muted: #94a3b8;
    --text-dim: #64748b;
    --primary: #3b82f6;
    --primary-glow: rgba(59, 130, 246, 0.4);
    --accent-emerald: #10b981;
    --accent-purple: #8b5cf6;
    --accent-cyan: #06b6d4;
    --accent-amber: #f59e0b;
    --danger: #ef4444;
    --danger-glow: rgba(239, 68, 68, 0.3);
    --badge-bg: rgba(255, 255, 255, 0.05);
    --hover-bg: rgba(255, 255, 255, 0.04);
    --font-sans: 'Prompt', 'IBM Plex Sans Thai', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
    --radius: 12px;
}

[data-theme="light"] {
    --bg: #f8fafc;
    --card: rgba(255, 255, 255, 0.9);
    --card-border: rgba(0, 0, 0, 0.08);
    --text-main: #0f172a;
    --text-muted: #475569;
    --text-dim: #94a3b8;
    --primary: #2563eb;
    --primary-glow: rgba(37, 99, 235, 0.25);
    --badge-bg: rgba(0, 0, 0, 0.04);
    --hover-bg: rgba(0, 0, 0, 0.03);
}

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

body {
    background-color: var(--bg);
    color: var(--text-main);
    font-family: var(--font-sans);
    min-height: 100vh;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    background-image: 
        radial-gradient(at 0% 0%, rgba(59, 130, 246, 0.15) 0px, transparent 50%),
        radial-gradient(at 100% 100%, rgba(239, 68, 68, 0.1) 0px, transparent 50%);
    background-attachment: fixed;
}

.app-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

/* Navbar */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--card);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--card-border);
    border-radius: var(--radius);
    padding: 16px 24px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

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

.brand-icon {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--primary), var(--accent-purple));
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    box-shadow: 0 0 15px var(--primary-glow);
}

.gradient-title {
    font-size: 20px;
    font-weight: 700;
    background: linear-gradient(135deg, #60a5fa, #c084fc, #34d399);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: block;
}

.sub-title {
    font-size: 12px;
    color: var(--text-muted);
    font-family: var(--font-mono);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.status-badge {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px;
    border-radius: 20px;
    background: var(--badge-bg);
    border: 1px solid var(--card-border);
    font-size: 13px;
    font-weight: 500;
}

.status-badge.online .dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--accent-emerald);
    box-shadow: 0 0 8px var(--accent-emerald);
}

.theme-toggle-btn {
    background: var(--badge-bg);
    border: 1px solid var(--card-border);
    color: var(--text-main);
    width: 38px;
    height: 38px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.2s, background 0.2s;
}

.theme-toggle-btn:hover {
    transform: scale(1.1);
    background: var(--hover-bg);
}

/* Main Content Panels */
.main-content {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.panel {
    background: var(--card);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--card-border);
    border-radius: var(--radius);
    padding: 24px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
}

.panel.border-danger {
    border: 1px solid rgba(239, 68, 68, 0.3);
}

.panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--card-border);
}

.panel-header h2 {
    font-size: 18px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-main);
}

.text-danger { color: var(--danger) !important; }
.danger-text { color: #f87171 !important; }

.badge-pulse {
    font-size: 11px;
    font-family: var(--font-mono);
    padding: 4px 10px;
    border-radius: 12px;
    background: rgba(16, 185, 129, 0.15);
    color: var(--accent-emerald);
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.badge-danger {
    background: rgba(239, 68, 68, 0.15);
    color: #f87171;
    border: 1px solid rgba(239, 68, 68, 0.4);
}

/* Control Card & Actions */
.action-card {
    background: rgba(0, 0, 0, 0.2);
    border-radius: 10px;
    padding: 20px;
    margin-bottom: 20px;
    border: 1px dashed var(--card-border);
}

.action-desc {
    margin-bottom: 16px;
    color: var(--text-muted);
    font-size: 14px;
}

.action-desc code {
    background: var(--badge-bg);
    padding: 2px 6px;
    border-radius: 4px;
    color: var(--accent-cyan);
    font-family: var(--font-mono);
}

.btn-group {
    display: flex;
    gap: 12px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), #2563eb);
    color: #ffffff;
    border: none;
    padding: 14px 28px;
    border-radius: 10px;
    font-size: 15px;
    font-weight: 600;
    font-family: var(--font-sans);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 10px;
    transition: all 0.25s ease;
    box-shadow: 0 4px 15px var(--primary-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px var(--primary-glow);
    filter: brightness(1.1);
}

.btn-secondary {
    background: var(--badge-bg);
    border: 1px solid var(--card-border);
    color: var(--text-main);
    padding: 8px 16px;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: background 0.2s;
}

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

.btn-danger {
    background: rgba(239, 68, 68, 0.15);
    border: 1px solid rgba(239, 68, 68, 0.4);
    color: #f87171;
    padding: 8px 14px;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: all 0.2s ease;
}

.btn-danger:hover {
    background: var(--danger);
    color: #ffffff;
    box-shadow: 0 0 10px var(--danger-glow);
}

/* Requirement 3: Schedule Configuration Card */
.schedule-config-card {
    margin-top: 20px;
    background: rgba(15, 23, 42, 0.5);
    border: 1px solid var(--card-border);
    border-radius: 10px;
    padding: 16px 20px;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.schedule-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.sched-title {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-main);
}

/* Toggle Switch */
.toggle-switch {
    position: relative;
    display: inline-block;
    width: 46px;
    height: 24px;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-slider {
    position: absolute;
    cursor: pointer;
    top: 0; left: 0; right: 0; bottom: 0;
    background-color: rgba(255, 255, 255, 0.1);
    transition: .3s;
    border-radius: 24px;
    border: 1px solid var(--card-border);
}

.toggle-slider:before {
    position: absolute;
    content: "";
    height: 18px;
    width: 18px;
    left: 3px;
    bottom: 2px;
    background-color: var(--text-muted);
    transition: .3s;
    border-radius: 50%;
}

input:checked + .toggle-slider {
    background-color: rgba(16, 185, 129, 0.25);
    border-color: var(--accent-emerald);
}

input:checked + .toggle-slider:before {
    transform: translateX(20px);
    background-color: var(--accent-emerald);
    box-shadow: 0 0 8px var(--accent-emerald);
}

.schedule-times-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 12px;
}

.time-input-group {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.time-input-group label {
    font-size: 12px;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 6px;
}

.time-input-group input[type="time"] {
    background: var(--bg);
    border: 1px solid var(--card-border);
    color: var(--text-main);
    padding: 6px 10px;
    border-radius: 6px;
    font-family: var(--font-mono);
    font-size: 13px;
    outline: none;
}

.time-input-group input[type="time"]:focus {
    border-color: var(--accent-cyan);
}

.schedule-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 8px;
    border-top: 1px dashed var(--card-border);
}

.sched-status-badge {
    font-size: 12px;
    font-family: var(--font-mono);
    padding: 3px 10px;
    border-radius: 12px;
    background: var(--badge-bg);
    color: var(--text-muted);
    border: 1px solid var(--card-border);
}

.sched-status-badge.active {
    background: rgba(16, 185, 129, 0.15);
    color: var(--accent-emerald);
    border-color: rgba(16, 185, 129, 0.3);
}

/* Requirement 1: Threshold Input in Stat Card */
.threshold-label-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
}

.threshold-input-wrap {
    display: flex;
    align-items: center;
    gap: 2px;
    font-size: 12px;
    font-weight: 600;
    color: #f87171;
}

.threshold-input-wrap input {
    width: 44px;
    background: rgba(239, 68, 68, 0.15);
    border: 1px solid rgba(239, 68, 68, 0.4);
    color: #f87171;
    text-align: center;
    font-family: var(--font-mono);
    font-weight: 700;
    border-radius: 4px;
    padding: 2px 4px;
    outline: none;
}

/* Progress Box */
.progress-box {
    margin-top: 16px;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    border-radius: 8px;
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid rgba(59, 130, 246, 0.3);
    color: #60a5fa;
    font-size: 14px;
}

.spinner-sm {
    width: 18px;
    height: 18px;
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

.result-banner {
    margin-top: 16px;
    padding: 12px 16px;
    border-radius: 8px;
    font-size: 14px;
    line-height: 1.5;
}

.result-banner.success {
    background: rgba(16, 185, 129, 0.15);
    border: 1px solid rgba(16, 185, 129, 0.4);
    color: #34d399;
}

.result-banner.error {
    background: rgba(239, 68, 68, 0.15);
    border: 1px solid rgba(239, 68, 68, 0.4);
    color: #f87171;
}

.hidden {
    display: none !important;
}

/* Stats Cards */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 16px;
}

.stat-card {
    background: var(--badge-bg);
    border: 1px solid var(--card-border);
    border-radius: 10px;
    padding: 16px;
    display: flex;
    align-items: center;
    gap: 14px;
}

.stat-card.alert-card {
    background: rgba(239, 68, 68, 0.08);
    border: 1px solid rgba(239, 68, 68, 0.25);
}

.stat-icon {
    width: 42px;
    height: 42px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
}

.stat-icon.cyan { background: var(--accent-cyan); }
.stat-icon.purple { background: var(--accent-purple); }
.stat-icon.emerald { background: var(--accent-emerald); }
.stat-icon.danger { background: var(--danger); box-shadow: 0 0 10px var(--danger-glow); }

.stat-info {
    display: flex;
    flex-direction: column;
}

.stat-label {
    font-size: 12px;
    color: var(--text-muted);
}

.stat-value {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-main);
}

.text-mono { font-family: var(--font-mono); }
.text-sm { font-size: 13px; }

/* Performance Score Log Section */
.perf-log-actions {
    display: flex;
    gap: 12px;
    align-items: center;
    flex-wrap: wrap;
}

.search-input-box {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--bg);
    border: 1px solid var(--card-border);
    padding: 6px 12px;
    border-radius: 8px;
    color: var(--text-muted);
}

.search-input-box input {
    background: transparent;
    border: none;
    outline: none;
    color: var(--text-main);
    font-size: 13px;
    width: 220px;
    font-family: var(--font-sans);
}

.checkbox-filter {
    display: flex;
    align-items: center;
    gap: 8px;
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    padding: 6px 12px;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 500;
    color: #f87171;
    cursor: pointer;
    user-select: none;
    transition: background 0.2s;
}

.checkbox-filter:hover {
    background: rgba(239, 68, 68, 0.2);
}

.checkbox-filter input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: #ef4444;
    cursor: pointer;
}

.perf-log-table th {
    background: #0f172a !important;
    color: #38bdf8 !important;
    white-space: nowrap;
    z-index: 10;
}

.perf-log-table th.online-rate-header,
.perf-log-table th.avg-perf-header {
    background: #0a2e38 !important;
    color: #38bdf8 !important;
    z-index: 10;
}

[data-theme="light"] .perf-log-table th.online-rate-header,
[data-theme="light"] .perf-log-table th.avg-perf-header {
    background: #e0f2fe !important;
    color: #0284c7 !important;
}

.perf-log-table th.status-col-header {
    color: #fcd34d !important;
    background: #251c0c !important;
    min-width: 95px;
    max-width: 110px;
    font-size: 11px;
    text-align: center;
    padding: 8px 4px;
    z-index: 10;
}

[data-theme="light"] .perf-log-table th.status-col-header {
    background: #fef3c7 !important;
    color: #d97706 !important;
}

/* Requirement 4: Soft Red Highlight for Avg Performance below threshold */
.avg-perf-low {
    background: rgba(239, 68, 68, 0.2) !important;
    color: #ff8787 !important;
    border: 1px solid rgba(239, 68, 68, 0.4) !important;
    font-weight: bold;
}

.avg-perf-ok {
    background: rgba(16, 185, 129, 0.15) !important;
    color: #34d399 !important;
    border: 1px solid rgba(16, 185, 129, 0.3) !important;
    font-weight: bold;
}

/* Requirement 2: Remark Summary Cards Grid (Critical, No AC, Move) */
.remark-summary-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 16px;
    margin-bottom: 20px;
}

.remark-card {
    border-radius: 10px;
    padding: 16px 20px;
    display: flex;
    align-items: center;
    gap: 14px;
    transition: transform 0.2s;
}

.remark-card:hover {
    transform: translateY(-2px);
}

.remark-card.red-card {
    background: rgba(239, 68, 68, 0.15);
    border: 1px solid rgba(239, 68, 68, 0.4);
}

.remark-card.amber-card {
    background: rgba(245, 158, 11, 0.12);
    border: 1px solid rgba(245, 158, 11, 0.35);
}

.remark-card.cyan-card {
    background: rgba(6, 182, 212, 0.12);
    border: 1px solid rgba(6, 182, 212, 0.35);
}

.remark-icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.red-card .remark-icon { background: var(--danger); color: #fff; box-shadow: 0 0 10px var(--danger-glow); }
.amber-card .remark-icon { background: var(--accent-amber); color: #000; }
.cyan-card .remark-icon { background: var(--accent-cyan); color: #000; }

.remark-info {
    display: flex;
    flex-direction: column;
}

.remark-title {
    font-size: 14px;
    font-weight: 600;
}

.red-card .remark-title { color: #f87171; }
.amber-card .remark-title { color: #fbbf24; }
.cyan-card .remark-title { color: #38bdf8; }

.remark-count {
    font-size: 20px;
    font-weight: 700;
    font-family: var(--font-mono);
    color: var(--text-main);
}

/* Zone Breakdown Grid Layout */
.zone-breakdown-wrapper {
    display: flex;
    flex-direction: column;
    gap: 14px;
    margin-bottom: 20px;
    padding: 18px 22px;
    background: rgba(0, 0, 0, 0.18);
    border-radius: 10px;
    border: 1px solid var(--card-border);
}

.zone-severity-line.fixed-grid-line {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 6px 0;
}

.zone-severity-line.fixed-grid-line:not(:last-child) {
    border-bottom: 1px dashed rgba(255, 255, 255, 0.08);
}

.line-tag {
    font-size: 13px;
    font-weight: 600;
    color: var(--accent-cyan);
}

.line-pills.fixed-6-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 10px;
    width: 100%;
}

@media (max-width: 1100px) {
    .line-pills.fixed-6-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 650px) {
    .line-pills.fixed-6-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.zone-pill-card {
    padding: 10px 12px;
    border-radius: 8px;
    font-size: 12px;
    font-weight: 600;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    transition: transform 0.2s;
    background: var(--badge-bg);
    border: 1px solid var(--card-border);
}

.zone-pill-card:hover {
    transform: translateY(-2px);
}

.zone-pill-card.is-critical {
    background: rgba(239, 68, 68, 0.15);
    border: 1.5px solid #ef4444;
    color: #ff8787;
    box-shadow: 0 0 10px rgba(239, 68, 68, 0.2);
}

.zone-pill-card.is-normal {
    background: rgba(16, 185, 129, 0.12);
    border: 1px solid rgba(16, 185, 129, 0.3);
    color: #6ee7b7;
}

.zone-pill-card .z-name {
    font-size: 11px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    width: 100%;
}

.zone-pill-card .z-count {
    font-size: 15px;
    font-weight: 700;
    font-family: var(--font-mono);
    margin-top: 2px;
}

/* Files Table */
.files-list-wrapper {
    overflow-x: auto;
}

.files-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 12px;
}

.files-list-wrapper {
    max-height: 260px;
    overflow-y: auto;
}

.files-panel .panel-header {
    padding-top: 10px;
    padding-bottom: 10px;
}

.files-table th, .files-table td {
    padding: 6px 12px;
    text-align: left;
    border-bottom: 1px solid var(--card-border);
}

.files-table th {
    color: var(--text-muted);
    font-weight: 600;
    background: rgba(0, 0, 0, 0.15);
}

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

.action-btns-cell {
    display: flex;
    gap: 8px;
}

.latest-tag {
    background: rgba(59, 130, 246, 0.2);
    color: #60a5fa;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 11px;
    margin-left: 8px;
    font-family: var(--font-mono);
}

/* Data Table Wrapper */
.data-table-wrapper {
    overflow-x: auto;
    max-height: 500px;
    overflow-y: auto;
    border: 1px solid var(--card-border);
    border-radius: 8px;
    margin-top: 12px;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 12px;
}

.data-table th {
    position: sticky;
    top: 0;
    background: #0f172a;
    color: var(--accent-cyan);
    padding: 10px 14px;
    text-align: left;
    font-weight: 600;
    border-bottom: 2px solid var(--card-border);
    white-space: nowrap;
    z-index: 10;
    box-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

[data-theme="light"] .data-table th {
    background: #e2e8f0;
}

.data-table td {
    padding: 8px 14px;
    border-bottom: 1px solid var(--card-border);
    white-space: nowrap;
}

.data-table tr:nth-child(even) td {
    background: rgba(255, 255, 255, 0.02);
}

.data-table tr:hover td {
    background: rgba(59, 130, 246, 0.08);
}