/* SSB Towplane Track Analytics - Design System & Stylesheet */

/* Custom Properties (Aesthetic Color Palette & Tokens) */
:root {
    --bg-primary: #0b0f19;
    --bg-secondary: #161c2d;
    --bg-card: rgba(22, 28, 45, 0.6);
    --bg-card-hover: rgba(26, 34, 54, 0.85);
    
    --border-color: rgba(255, 255, 255, 0.08);
    --border-focus: rgba(59, 130, 246, 0.5);
    
    /* Sleek, tailored neon accents */
    --color-text-primary: #f3f4f6;
    --color-text-secondary: #9ca3af;
    --color-text-muted: #6b7280;
    
    --accent-blue: #3b82f6;
    --accent-blue-rgb: 59, 130, 246;
    --accent-green: #10b981;
    --accent-green-rgb: 16, 185, 129;
    --accent-red: #ef4444;
    --accent-red-rgb: 239, 68, 68;
    --accent-orange: #f59e0b;
    --accent-orange-rgb: 245, 158, 11;
    --accent-purple: #8b5cf6;
    --accent-purple-rgb: 139, 92, 246;

    /* Shadows & Transitions */
    --shadow-premium: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
    --shadow-inset: inset 0 2px 4px 0 rgba(0, 0, 0, 0.2);
    --glass-blur: blur(12px);
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    background-color: var(--bg-primary);
    color: var(--color-text-primary);
    font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    font-size: 15px;
    line-height: 1.6;
    min-height: 100vh;
    padding: 20px;
    overflow-x: hidden;
}

/* Premium Custom Scrollbars */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}
::-webkit-scrollbar-track {
    background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.2);
}

/* Layout Container */
.app-container {
    max-width: 1600px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

/* Typography elements */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Outfit', sans-serif;
    font-weight: 600;
    letter-spacing: -0.02em;
}

/* Header Component */
.app-header {
    background: var(--bg-card);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--border-color);
    padding: 16px 24px;
    border-radius: 16px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: var(--shadow-premium);
    flex-wrap: wrap;
    gap: 16px;
}

.header-logo {
    display: flex;
    align-items: center;
    gap: 16px;
}

.icon-wing {
    font-size: 2.2rem;
    animation: pulseWing 3s infinite ease-in-out;
}

.title-group h1 {
    font-size: 1.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, #fff 0%, #a5b4fc 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.subtitle {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
}

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

/* Form Controls & Inputs */
.control-group {
    display: flex;
    align-items: center;
    gap: 8px;
}

.control-group label {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    white-space: nowrap;
}

.form-input {
    background: rgba(0, 0, 0, 0.25);
    border: 1px solid var(--border-color);
    color: var(--color-text-primary);
    padding: 8px 16px;
    border-radius: 8px;
    font-family: inherit;
    font-size: 0.9rem;
    outline: none;
    transition: var(--transition-fast);
}

.form-input:focus {
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 2px var(--border-focus);
}

select.form-input {
    cursor: pointer;
    padding-right: 28px;
}

select option {
    background-color: #161c2d;
    color: var(--color-text-primary);
}

/* Button UI */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    border-radius: 8px;
    font-weight: 600;
    font-family: inherit;
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition-fast);
    border: 1px solid transparent;
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    color: var(--color-text-primary);
    border-color: var(--border-color);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
}

.btn-danger {
    background: rgba(var(--accent-red-rgb), 0.15);
    color: #fca5a5;
    border-color: rgba(var(--accent-red-rgb), 0.3);
}

.btn-danger:hover {
    background: rgba(var(--accent-red-rgb), 0.25);
}

.btn-primary {
    background: rgba(var(--accent-blue-rgb), 0.15);
    color: #93c5fd;
    border-color: rgba(var(--accent-blue-rgb), 0.3);
}

.btn-primary:hover {
    background: rgba(var(--accent-blue-rgb), 0.25);
}

.hidden-file-input {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

/* KPI Summary Panel */
.kpi-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 16px;
}

.kpi-card {
    background: var(--bg-card);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 16px 20px;
    display: flex;
    align-items: center;
    gap: 16px;
    box-shadow: var(--shadow-premium);
    transition: var(--transition-smooth);
}

.kpi-card:hover {
    transform: translateY(-2px);
    border-color: rgba(255, 255, 255, 0.15);
}

.kpi-icon {
    font-size: 1.8rem;
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.icon-blue { background: rgba(var(--accent-blue-rgb), 0.15); color: #93c5fd; }
.icon-green { background: rgba(var(--accent-green-rgb), 0.15); color: #6ee7b7; }
.icon-orange { background: rgba(var(--accent-orange-rgb), 0.15); color: #fde047; }
.icon-purple { background: rgba(var(--accent-purple-rgb), 0.15); color: #c084fc; }

.kpi-data {
    display: flex;
    flex-direction: column;
}

.kpi-value {
    font-family: 'Outfit', sans-serif;
    font-size: 1.6rem;
    font-weight: 700;
}

.kpi-label {
    font-size: 0.8rem;
    color: var(--color-text-secondary);
}

/* Main Dashboard Grid */
.app-main-grid {
    display: grid;
    grid-template-columns: 320px 1fr;
    gap: 20px;
    align-items: start;
}

@media (max-width: 1024px) {
    .app-main-grid {
        grid-template-columns: 1fr;
    }
}

/* Sidebar / Controls Panel */
.sidebar-panel {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.config-card {
    background: var(--bg-card);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-premium);
}

.card-header {
    background: rgba(255, 255, 255, 0.02);
    padding: 12px 18px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.card-header h3 {
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-primary);
}

.header-badge {
    font-size: 0.7rem;
    font-weight: 700;
    padding: 3px 8px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.1);
    color: var(--color-text-secondary);
}

.header-badge.bg-blue {
    background: rgba(var(--accent-blue-rgb), 0.2);
    color: #93c5fd;
}

.card-body {
    padding: 18px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

/* Slider Controls styling */
.slider-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.slider-label-val {
    display: flex;
    justify-content: space-between;
    font-size: 0.85rem;
}

.slider-label {
    color: var(--color-text-secondary);
}

.slider-val {
    font-weight: 700;
    color: var(--accent-blue);
}

input[type="range"] {
    -webkit-appearance: none;
    width: 100%;
    background: transparent;
    outline: none;
}

input[type="range"]::-webkit-slider-runnable-track {
    width: 100%;
    height: 6px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
    cursor: pointer;
}

input[type="range"]::-webkit-slider-thumb {
    height: 16px;
    width: 16px;
    border-radius: 50%;
    background: var(--color-text-primary);
    cursor: pointer;
    -webkit-appearance: none;
    margin-top: -5px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.5);
    transition: var(--transition-fast);
}

input[type="range"]::-webkit-slider-thumb:hover {
    background: var(--accent-blue);
    transform: scale(1.15);
}

.slider-desc {
    font-size: 0.75rem;
    color: var(--color-text-muted);
}

/* Checkbox group styling */
.checkbox-group {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    cursor: pointer;
}

.checkbox-group input[type="checkbox"] {
    accent-color: var(--accent-blue);
    width: 16px;
    height: 16px;
    cursor: pointer;
}

/* Main Display / Tabs Container */
.main-display-panel {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.tabs-navigation {
    display: flex;
    background: var(--bg-card);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--border-color);
    padding: 6px;
    border-radius: 12px;
    gap: 4px;
}

.tab-btn {
    flex: 1;
    background: transparent;
    border: none;
    color: var(--color-text-secondary);
    padding: 10px 16px;
    border-radius: 8px;
    font-weight: 600;
    font-family: inherit;
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition-fast);
}

.tab-btn:hover {
    color: var(--color-text-primary);
    background: rgba(255, 255, 255, 0.02);
}

.tab-btn.active {
    background: rgba(255, 255, 255, 0.08);
    color: var(--color-text-primary);
    box-shadow: var(--shadow-inset);
}

.tabs-content-container {
    background: var(--bg-card);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    min-height: 380px;
    box-shadow: var(--shadow-premium);
    overflow: hidden;
    position: relative;
}

.tab-panel {
    display: none;
    padding: 20px;
    width: 100%;
    animation: fadeIn 0.4s ease;
}

.tab-panel.active {
    display: block;
}

/* Tab 1: Billing Scatter Plot Layout */
.analytics-layout {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 20px;
}

@media (max-width: 900px) {
    .analytics-layout {
        grid-template-columns: 1fr;
    }
}

.chart-container-wrapper {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.chart-header h4 {
    font-size: 1.1rem;
    color: var(--color-text-primary);
}

.chart-subtitle {
    font-size: 0.8rem;
    color: var(--color-text-secondary);
}

.chart-canvas-box {
    position: relative;
    height: 300px;
    width: 100%;
}

.chart-legend-custom {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 10px;
    font-size: 0.8rem;
    color: var(--color-text-secondary);
    font-family: 'Plus Jakarta Sans', sans-serif;
}

.chart-legend-custom .legend-item {
    display: flex;
    align-items: center;
    gap: 6px;
}

.chart-legend-custom .bullet {
    font-size: 1.1rem;
    line-height: 1;
}

.chart-legend-custom .bullet.filled {
    color: #9ca3af;
}

.chart-legend-custom .bullet.hollow {
    color: #9ca3af;
}

.discrepancy-summary-card {
    background: rgba(0, 0, 0, 0.15);
    border-radius: 12px;
    border: 1px solid var(--border-color);
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.discrepancy-summary-card h4 {
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-secondary);
}

.indicators-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.indicator-item {
    display: flex;
    flex-direction: column;
    padding: 8px 12px;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-radius: 8px;
}

.indicator-title {
    font-size: 0.75rem;
    color: var(--color-text-secondary);
}

.indicator-value {
    font-family: 'Outfit', sans-serif;
    font-size: 1.25rem;
    font-weight: 700;
}

.color-green { color: var(--accent-green); }
.color-orange { color: var(--accent-orange); }
.color-red { color: var(--accent-red); }

.insights-box {
    margin-top: 10px;
    padding: 12px;
    background: rgba(59, 130, 246, 0.05);
    border-left: 3px solid var(--accent-blue);
    border-radius: 4px;
}

.insights-box h5 {
    font-size: 0.85rem;
    color: #93c5fd;
    margin-bottom: 4px;
}

.insights-box p {
    font-size: 0.8rem;
    color: var(--color-text-secondary);
    line-height: 1.4;
}

/* Tab 2: Logs Table Layout */
.table-actions-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
    gap: 16px;
    flex-wrap: wrap;
}

.table-actions-row .form-input {
    width: 320px;
}

.filter-toggles {
    display: flex;
    gap: 6px;
    background: rgba(0,0,0,0.2);
    padding: 4px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.filter-btn {
    background: transparent;
    border: none;
    color: var(--color-text-secondary);
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 0.8rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-fast);
}

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

.filter-btn.active {
    background: rgba(255, 255, 255, 0.08);
    color: var(--color-text-primary);
}

.table-container {
    overflow-x: auto;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    background: rgba(0,0,0,0.15);
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    font-size: 0.85rem;
}

.data-table th {
    background: rgba(255, 255, 255, 0.02);
    color: var(--color-text-secondary);
    font-family: 'Outfit', sans-serif;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.75rem;
}

.data-table td {
    padding: 10px 16px;
    border-bottom: 1px solid var(--border-color);
    color: var(--color-text-primary);
    white-space: nowrap;
}

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

.data-table tbody tr:hover {
    background: rgba(255, 255, 255, 0.03);
}

.data-table tbody tr.selected {
    background: rgba(var(--accent-blue-rgb), 0.08);
    border-left: 3px solid var(--accent-blue);
}

.text-center { text-align: center; }

/* Status Labels / Badges */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 2px 8px;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 700;
}

.badge-green {
    background: rgba(var(--accent-green-rgb), 0.15);
    color: #a7f3d0;
    border: 1px solid rgba(var(--accent-green-rgb), 0.25);
}

.badge-red {
    background: rgba(var(--accent-red-rgb), 0.15);
    color: #fecaca;
    border: 1px solid rgba(var(--accent-red-rgb), 0.25);
}

.badge-orange {
    background: rgba(var(--accent-orange-rgb), 0.15);
    color: #fef08a;
    border: 1px solid rgba(var(--accent-orange-rgb), 0.25);
}

/* Tab 3: Fuel Crosscheck styling */
.fuel-crosscheck-layout {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.fuel-info-text h4 {
    font-size: 1.1rem;
    color: var(--color-text-primary);
    margin-bottom: 4px;
}

.fuel-info-text p {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    line-height: 1.5;
}

/* Bottom Visualization Grid */
.detail-visualization-grid {
    display: grid;
    grid-template-columns: 1fr 400px;
    gap: 20px;
}

@media (max-width: 900px) {
    .detail-visualization-grid {
        grid-template-columns: 1fr;
    }
}

.map-card-wrapper {
    background: var(--bg-card);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-premium);
    display: flex;
    flex-direction: column;
}

.map-canvas {
    height: 360px;
    width: 100%;
    background: #111;
}

/* Leaflet Dark Theme Adjustments */
.leaflet-container {
    background: #0f1422 !important;
}

/* Noise Audit Checklist Card */
.audit-checklist-card {
    background: var(--bg-card);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    box-shadow: var(--shadow-premium);
    display: flex;
    flex-direction: column;
}

.audit-checklist {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.audit-item {
    display: flex;
    align-items: flex-start;
    padding: 10px 14px;
    background: rgba(0, 0, 0, 0.15);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    gap: 12px;
    transition: var(--transition-smooth);
}

.audit-marker {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    margin-top: 3px;
    border: 2px solid var(--color-text-muted);
    flex-shrink: 0;
    transition: var(--transition-smooth);
}

.audit-text {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.audit-text strong {
    font-size: 0.85rem;
    font-weight: 700;
}

.audit-desc {
    font-size: 0.75rem;
    color: var(--color-text-secondary);
    line-height: 1.3;
}

.audit-value {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--color-text-secondary);
}

/* Status variants for checklist */
.status-pending .audit-marker {
    border-color: var(--color-text-muted);
    background: transparent;
}

.status-compliant {
    border-color: rgba(var(--accent-green-rgb), 0.2);
    background: rgba(var(--accent-green-rgb), 0.03);
}

.status-compliant .audit-marker {
    border-color: var(--accent-green);
    background: rgba(var(--accent-green-rgb), 0.2);
}

.status-compliant .audit-value {
    color: var(--accent-green);
}

.status-failed {
    border-color: rgba(var(--accent-red-rgb), 0.2);
    background: rgba(var(--accent-red-rgb), 0.03);
}

.status-failed .audit-marker {
    border-color: var(--accent-red);
    background: rgba(var(--accent-red-rgb), 0.2);
}

.status-failed .audit-value {
    color: var(--accent-red);
}

/* Drag and drop overlay */
.drag-drop-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(11, 15, 25, 0.9);
    backdrop-filter: blur(8px);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s ease;
}

.drag-drop-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

.drag-message {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    border: 3px dashed rgba(255, 255, 255, 0.15);
    padding: 40px 60px;
    border-radius: 24px;
    background: var(--bg-card);
}

.drag-icon {
    font-size: 4rem;
    animation: bounce 2s infinite ease-in-out;
}

/* Keyframes & Animations */
@keyframes pulseWing {
    0%, 100% { transform: scale(1) rotate(0); }
    50% { transform: scale(1.1) rotate(-5deg); }
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

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

/* Modal Overlay & Dialog Styles */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.65);
    backdrop-filter: var(--glass-blur);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    opacity: 0;
    transition: opacity 0.25s ease;
}

.modal-overlay.active {
    display: flex;
    opacity: 1;
}

.modal-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    width: 90%;
    max-width: 650px;
    max-height: 80vh;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-premium);
    overflow: hidden;
    animation: fadeIn 0.3s ease-out;
}

.modal-header {
    padding: 16px 24px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(255, 255, 255, 0.02);
}

.modal-header h3 {
    margin: 0;
    font-size: 1.25rem;
    color: var(--color-text-primary);
}

.modal-close-btn {
    background: none;
    border: none;
    color: var(--color-text-secondary);
    font-size: 1.75rem;
    cursor: pointer;
    line-height: 1;
    transition: var(--transition-fast);
}

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

.modal-body {
    padding: 24px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.guide-section h4 {
    color: var(--accent-blue);
    font-size: 1.05rem;
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.guide-section p {
    color: var(--color-text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
}

.guide-section ul {
    margin-top: 8px;
    padding-left: 20px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.guide-section li {
    color: var(--color-text-secondary);
    font-size: 0.95rem;
    line-height: 1.5;
}

.guide-section strong {
    color: var(--color-text-primary);
}