/* ==========================================
   CSS CUSTOM PROPERTIES (Design Tokens)
   ========================================== */
:root {
    /* Spacing Scale (mobile-first) */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;

    /* Touch Targets */
    --touch-target-min: 44px;
    --touch-gap: 8px;

    /* Typography */
    --font-size-body: 16px;
    --font-size-interactive: 18px;
    --font-size-small: 14px;
    --font-size-h1: 24px;
    --font-size-h2: 20px;

    /* Colors */
    --color-primary: #1976d2;
    --color-primary-dark: #1565c0;
    --color-accent: #ffd700;
    --color-accent-hover: #ffed4a;
    --color-bg-dark: #0e2a7d;
    --color-bg-darker: #000000;
    --color-text-light: #ffffff;
    --color-text-dark: #333333;
    --color-error: #ff4444;
    --color-success: #4ade80;
    --color-warning: #fbbf24;

    /* Glassmorphism */
    --glass-bg: rgba(15, 23, 42, 0.9);
    --glass-border: rgba(255, 255, 255, 0.1);
    --glass-backdrop: blur(12px);

    /* Z-index Stack */
    --z-map: 1;
    --z-map-controls: 1000;
    --z-screen-header: 1001;
    --z-step-nav: 1002;
    --z-modal: 2000;

    /* Step Navigation */
    --step-nav-height: 56px;
}

/* ==========================================
   STEP NAVIGATION (3-step tabs)
   ========================================== */
.step-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--step-nav-height);
    display: flex;
    justify-content: center;
    align-items: stretch;
    background: linear-gradient(135deg, #0e1b3d 0%, #1a2d5e 100%);
    z-index: var(--z-step-nav);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.step-tab {
    flex: 1;
    max-width: 150px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    background: transparent;
    border: none;
    color: rgba(255, 255, 255, 0.5);
    font-size: var(--font-size-small);
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    position: relative;
}

.step-tab::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 3px;
    background: var(--color-accent);
    transition: width 0.2s ease;
    border-radius: 2px 2px 0 0;
}

.step-tab:hover {
    color: rgba(255, 255, 255, 0.8);
}

.step-tab.active {
    color: white;
}

.step-tab.active::after {
    width: 60%;
}

.step-tab.completed {
    color: var(--color-success);
}

.step-tab.completed .step-number {
    background: var(--color-success);
    color: #000;
}

.step-number {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    font-size: 12px;
    font-weight: 600;
}

.step-tab.active .step-number {
    background: var(--color-accent);
    color: #000;
}

.step-label {
    display: block;
}

/* Adjust screens to account for step nav height */
.screen {
    margin-top: var(--step-nav-height);
    height: calc(100vh - var(--step-nav-height));
}

/* ==========================================
   RESET & BASE STYLES
   ========================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html, body {
    height: 100%;
    width: 100%;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    font-size: var(--font-size-body);
    background: linear-gradient(315deg, var(--color-bg-dark) 0%, var(--color-bg-darker) 100%);
    color: var(--color-text-light);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ==========================================
   LAYOUT CONTAINERS
   ========================================== */
#root {
    width: 100%;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Banner */
.banner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
    background: rgba(255, 255, 255, 0.1);
    min-height: 60px;
}

.banner-logo {
    height: 30px;
    object-fit: contain;
}

.nsk-logo {
    height: 40px;
}

.ahlsell-logo {
    height: 24px;
}

.login-menu-btn {
    background: var(--color-primary);
    color: var(--color-text-light);
    border: none;
    border-radius: 4px;
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-small);
    min-height: var(--touch-target-min);
    min-width: 80px;
    cursor: pointer;
    font-weight: 500;
}

/* ==========================================
   SCREEN SYSTEM (Multi-Screen Navigation)
   ========================================== */
.screen {
    flex: 1;
    display: flex;
    flex-direction: column;
    width: 100%;
    height: calc(100vh - 60px); /* Full height minus banner */
}

/* ==========================================
   SCREEN 1: Address Search + Map + Selection
   ========================================== */
.screen[data-screen="1"] .map-container {
    position: relative;
    flex: 1;
    width: 100%;
    background: white;
    overflow: hidden;
}

#map {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
}

/* Override Mapbox GL default min-height and force canvas to fill container */
#map.mapboxgl-map {
    min-height: 0 !important;
}

#map .mapboxgl-canvas-container {
    position: absolute !important;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
}

#map .mapboxgl-canvas {
    width: 100% !important;
    height: 100% !important;
}

/* Search Box (sticky top) */
.search-container {
    position: absolute;
    top: var(--spacing-sm);
    left: var(--spacing-sm);
    right: var(--spacing-sm);
    z-index: var(--z-map-controls);
}

#search {
    width: 100%;
    padding: var(--spacing-md);
    border: 1px solid rgba(0, 0, 0, 0.2);
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
    font-size: var(--font-size-interactive);
    background: white;
    min-height: var(--touch-target-min);
}

/* Collapsible Drawing Tools (lower right, inside map) */
.drawing-tools-container {
    position: absolute;
    bottom: var(--spacing-lg);
    right: var(--spacing-sm);
    z-index: var(--z-map-controls);
}

.drawing-tools-toggle {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--glass-bg);
    backdrop-filter: var(--glass-backdrop);
    -webkit-backdrop-filter: var(--glass-backdrop);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    color: white;
    font-size: var(--font-size-small);
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    min-height: var(--touch-target-min);
}

.drawing-tools-toggle:hover,
.drawing-tools-toggle:focus {
    background: rgba(25, 118, 210, 0.9);
    border-color: rgba(255, 255, 255, 0.3);
    outline: 2px solid var(--color-text-light);
    outline-offset: 2px;
}

.drawing-tools-toggle .toggle-arrow {
    transition: transform 0.2s ease;
    font-size: 10px;
}

.drawing-tools-toggle[aria-expanded="true"] .toggle-arrow {
    transform: rotate(180deg);
}

.drawing-tools-panel {
    position: absolute;
    bottom: calc(100% + var(--spacing-xs));
    right: 0;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    background: var(--glass-bg);
    backdrop-filter: var(--glass-backdrop);
    -webkit-backdrop-filter: var(--glass-backdrop);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    padding: var(--spacing-sm);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    min-width: 120px;
}

.drawing-tools-panel .tool-button {
    width: 100%;
    justify-content: flex-start;
    gap: var(--spacing-xs);
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: white;
}

.drawing-tools-panel .tool-button:hover,
.drawing-tools-panel .tool-button:focus {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.3);
}

.tool-button {
    padding: var(--spacing-sm) var(--spacing-md);
    background: white;
    border: 1px solid #ccc;
    border-radius: 4px;
    cursor: pointer;
    font-size: var(--font-size-interactive);
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: var(--touch-target-min);
    min-width: var(--touch-target-min);
    transition: all 0.2s ease;
}

.tool-button:hover,
.tool-button:focus {
    background: #f0f0f0;
    border-color: #999;
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

.tool-button.active {
    background: #e3f2fd;
    border-color: var(--color-primary);
    color: var(--color-primary);
}

/* Roof Polygon Controls */
.roof-controls {
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    z-index: var(--z-map-controls);
}

.roof-button {
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--glass-bg);
    backdrop-filter: var(--glass-backdrop);
    -webkit-backdrop-filter: var(--glass-backdrop);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    color: white;
    font-size: var(--font-size-small);
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    min-height: var(--touch-target-min);
}

.roof-button:hover,
.roof-button:focus {
    background: rgba(25, 118, 210, 0.9);
    border-color: rgba(255, 255, 255, 0.3);
    transform: translateY(-1px);
    outline: 2px solid var(--color-text-light);
    outline-offset: 2px;
}

/* Roof Info Panel */
.roof-info-panel {
    position: absolute;
    top: calc(var(--touch-target-min) + var(--spacing-md));
    right: var(--spacing-sm);
    width: 220px;
    max-width: calc(100vw - 2 * var(--spacing-sm));
    background: var(--glass-bg);
    backdrop-filter: var(--glass-backdrop);
    -webkit-backdrop-filter: var(--glass-backdrop);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    padding: var(--spacing-md);
    z-index: var(--z-map-controls);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
    color: white;
}

.roof-info-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-sm);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--glass-border);
}

.roof-info-title {
    font-size: var(--font-size-small);
    font-weight: 600;
}

.roof-info-count {
    background: rgba(25, 118, 210, 0.8);
    color: white;
    padding: 2px 10px;
    border-radius: 12px;
    font-size: 13px;
    font-weight: 600;
}

.roof-info-stats {
    margin-bottom: var(--spacing-sm);
}

.roof-stat {
    display: flex;
    justify-content: space-between;
    margin-bottom: var(--spacing-xs);
    font-size: 13px;
}

.roof-stat-label {
    color: rgba(255, 255, 255, 0.7);
}

.roof-stat-value {
    font-weight: 600;
    color: var(--color-success);
}

.roof-info-actions {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
}

.roof-action-btn {
    flex: 1;
    padding: var(--spacing-sm);
    background: rgba(25, 118, 210, 0.8);
    border: none;
    border-radius: 6px;
    color: white;
    font-size: 12px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    min-height: var(--touch-target-min);
}

.roof-action-btn:hover,
.roof-action-btn:focus {
    background: rgba(25, 118, 210, 1);
    outline: 2px solid white;
    outline-offset: 2px;
}

.roof-action-btn.secondary {
    background: rgba(100, 116, 139, 0.6);
}

.roof-action-btn.secondary:hover,
.roof-action-btn.secondary:focus {
    background: rgba(100, 116, 139, 0.8);
}

.roof-action-btn.primary {
    background: linear-gradient(135deg, var(--color-success) 0%, #22c55e 100%);
    color: #000;
    font-weight: 600;
}

.roof-action-btn.primary:hover,
.roof-action-btn.primary:focus {
    background: linear-gradient(135deg, #22c55e 0%, #16a34a 100%);
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(34, 197, 94, 0.4);
}

/* Confirmed state for selection button */
.roof-action-btn.primary.confirmed {
    background: linear-gradient(135deg, #059669 0%, #047857 100%);
    opacity: 0.8;
    cursor: default;
}

.roof-action-btn.primary.confirmed:hover {
    transform: none;
    box-shadow: none;
}

/* Selection confirmation notification */
.selection-notification {
    position: fixed;
    bottom: 80px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: linear-gradient(135deg, #0e1b3d 0%, #1a2d5e 100%);
    color: white;
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
    z-index: 2000;
    opacity: 0;
    transition: all 0.3s ease;
    font-size: var(--font-size-small);
    text-align: center;
    max-width: 90%;
    border: 1px solid rgba(255, 193, 7, 0.3);
}

.selection-notification.visible {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

.roof-info-hint {
    font-size: 11px;
    color: rgba(255, 255, 255, 0.5);
    text-align: center;
    font-style: italic;
}

/* Elevation Results Panel */
/* ===================================
   ELEVATION RESULTS SECTION (Full Width)
   Moved outside map for better space utilization
   =================================== */

.elevation-results-section {
    width: 100%;
    background: linear-gradient(180deg, var(--color-primary-dark) 0%, #0a1a4a 100%);
    border-radius: 16px 16px 0 0;
    padding: var(--spacing-lg);
    margin-top: var(--spacing-md);
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.3);
    animation: slideUp 0.3s ease-out;
}

@keyframes slideUp {
    from {
        transform: translateY(20px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

/* Keep old class for backwards compatibility */
.elevation-results-panel {
    /* Deprecated - use .elevation-results-section */
}

.elevation-results-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-sm);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--glass-border);
}

.elevation-results-title {
    font-weight: 600;
    font-size: 15px;
    color: var(--color-success);
}

.elevation-close-btn {
    background: rgba(255, 255, 255, 0.1);
    border: none;
    color: white;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.elevation-close-btn:hover,
.elevation-close-btn:focus {
    background: rgba(255, 255, 255, 0.2);
    outline: 2px solid white;
}

.elevation-results-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-lg);
    color: rgba(255, 255, 255, 0.7);
    font-size: 13px;
}

.loading-spinner {
    width: 32px;
    height: 32px;
    border: 3px solid #f3f3f3;
    border-top: 3px solid var(--color-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

.elevation-surface-card {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    padding: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
}

.elevation-surface-header {
    font-weight: 600;
    font-size: 13px;
    margin-bottom: var(--spacing-sm);
    color: white;
}

.elevation-surface-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-sm);
}

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

.elevation-stat-label {
    font-size: 10px;
    color: rgba(255, 255, 255, 0.5);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.elevation-stat-value {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-success);
}

.elevation-results-error {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    background: rgba(239, 68, 68, 0.2);
    border-radius: 8px;
    color: #fca5a5;
    font-size: 13px;
}

/* ===================================
   ELEVATION GRID LAYOUT
   Three-column responsive grid
   =================================== */

.elevation-grid {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-md);
}

.section-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--color-success);
    margin: 0 0 var(--spacing-md) 0;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

/* Left column: Surface cards */
.elevation-surfaces-column {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    padding: var(--spacing-md);
    min-height: 300px;
    max-height: 400px;
    overflow-y: auto;
}

.elevation-surfaces-column .elevation-surface-card {
    background: rgba(255, 255, 255, 0.08);
    border-radius: 8px;
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
    border-left: 3px solid var(--color-success);
}

.elevation-surfaces-column .elevation-surface-card:last-child {
    margin-bottom: 0;
}

/* Middle column: Horizon chart */
.elevation-horizon-column {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    padding: var(--spacing-md);
    min-height: 300px;
}

.horizon-chart-container {
    width: 100%;
    height: 250px;
    background: rgba(0, 0, 0, 0.2);
    border-radius: 8px;
    overflow: hidden;
}

.horizon-chart {
    width: 100%;
    height: 100%;
    position: relative;
}

.horizon-placeholder {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.5);
    font-size: 14px;
}

/* Horizon chart bar visualization */
.horizon-chart {
    position: relative;
    display: flex;
    align-items: flex-end;
    justify-content: center;
    gap: 1px;
    padding: var(--spacing-sm);
    background: linear-gradient(180deg, #0d0d1a 0%, #1a1a2e 100%);
}

.horizon-bar {
    position: absolute;
    bottom: 0;
    width: 2px;
    min-height: 2px;
    background: linear-gradient(180deg, #fbbf24 0%, #f59e0b 100%);
    border-radius: 1px 1px 0 0;
    transition: height 0.3s ease;
}

.horizon-bar:hover {
    background: #fcd34d;
    transform: scaleX(2);
}

/* SVG Area Chart for Horizon Profile */
.horizon-svg {
    width: 100%;
    height: calc(100% - 30px); /* Leave space for axis */
    display: block;
}

/* Far horizon (terrain/mountains) - grey filled area */
.horizon-area-far {
    fill: rgba(100, 116, 139, 0.5); /* Semi-transparent grey */
    stroke: rgba(148, 163, 184, 0.6); /* Light grey border */
    stroke-width: 0.5;
}

/* Near horizon (local obstacles like buildings/trees) - dark red line */
.horizon-line-near {
    fill: none;
    stroke: #b91c1c; /* Dark red (Tailwind red-700) */
    stroke-width: 1.5;
    stroke-linecap: round;
    stroke-linejoin: round;
}

/* Sun path lines - yellow/gold showing sun trajectory */
.sun-path-line {
    fill: none;
    stroke: #eab308; /* Yellow-500 */
    stroke-width: 1.5;
    stroke-linecap: round;
    stroke-linejoin: round;
    opacity: 0.85;
}

/* Sun path month labels */
.sun-path-label {
    font-size: 10px;
    fill: #fbbf24; /* Yellow-400 for better visibility */
    text-anchor: middle;
    font-weight: 600;
    opacity: 0.95;
}

/* Legacy class - keep for backward compatibility */
.horizon-area {
    fill: rgba(100, 116, 139, 0.6);
    stroke: rgba(148, 163, 184, 0.8);
    stroke-width: 0.5;
}

.horizon-grid {
    stroke: rgba(255, 255, 255, 0.1);
    stroke-width: 0.5;
    stroke-dasharray: 2, 4;
}

.horizon-grid-vertical {
    stroke: rgba(255, 255, 255, 0.15);
    stroke-width: 0.3;
}

/* Horizon chart axis labels */
.horizon-axis {
    position: absolute;
    bottom: 4px;
    width: 100%;
    display: flex;
    justify-content: space-between;
    padding: 0 8px;
    font-size: 10px;
    color: rgba(255, 255, 255, 0.4);
    pointer-events: none;
}

.horizon-axis span {
    transform: translateX(-50%);
}

/* Horizon chart legend */
.horizon-legend {
    display: flex;
    justify-content: center;
    gap: 12px;
    font-size: 9px;
    color: rgba(255, 255, 255, 0.6);
    margin-top: 2px;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 4px;
}

.legend-line-near {
    display: inline-block;
    width: 14px;
    height: 2px;
    background: #b91c1c; /* Dark red matching horizon-line-near */
    border-radius: 1px;
}

.legend-area-far {
    display: inline-block;
    width: 10px;
    height: 8px;
    background: rgba(100, 116, 139, 0.6); /* Grey matching horizon-area-far */
    border: 1px solid rgba(148, 163, 184, 0.6);
    border-radius: 1px;
}

.legend-line-sun {
    display: inline-block;
    width: 14px;
    height: 2px;
    background: #eab308; /* Yellow matching sun-path-line */
    border-radius: 1px;
}

/* Enhanced horizon chart with axis labels */
.horizon-chart-container {
    display: flex;
    width: 100%;
    height: 100%;
    gap: 4px;
}

.horizon-y-axis {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: flex-end;
    padding: 0 4px 24px 0; /* Leave space for X-axis */
    font-size: 9px;
    color: rgba(255, 255, 255, 0.6);
    min-width: 28px;
}

.horizon-y-axis span {
    line-height: 1;
}

.horizon-svg-wrapper {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.horizon-svg-wrapper .horizon-svg {
    flex: 1;
    height: auto;
}

.horizon-x-axis {
    display: flex;
    justify-content: space-between;
    padding: 4px 0 0 0;
    font-size: 9px;
    color: rgba(255, 255, 255, 0.6);
}

.x-axis-label {
    display: flex;
    flex-direction: column;
    align-items: center;
    line-height: 1.1;
}

.x-axis-deg {
    font-weight: 500;
}

.x-axis-dir {
    font-size: 7px;
    color: rgba(255, 255, 255, 0.4);
}

/* Per-surface rows layout */
.surface-rows {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.surface-row-placeholder {
    text-align: center;
    padding: var(--spacing-lg);
    color: rgba(255, 255, 255, 0.5);
}

.surface-row {
    display: flex;
    gap: var(--spacing-md);
    background: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    padding: var(--spacing-md);
    align-items: center;
}

.surface-horizon-col {
    flex: 0 0 200px;
    min-width: 150px;
}

.mini-horizon-wrapper {
    width: 100%;
}

/* Container for Y-axis + SVG chart side by side - increased 250% for better visibility */
.mini-horizon-wrapper .horizon-chart-container {
    display: flex;
    align-items: stretch;
    height: 125px;
}

/* Y-axis labels (degrees) on left side */
.mini-horizon-wrapper .horizon-y-axis {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding-right: 8px;
    font-size: 13px;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.8);
    min-width: 32px;
    text-align: right;
}

.mini-horizon-wrapper .horizon-y-axis span {
    line-height: 1;
}

/* SVG container fills remaining space */
.horizon-svg-container {
    flex: 1;
    min-width: 0;
    position: relative; /* For absolute positioning of labels */
}

/* HTML labels for sun paths (avoids SVG distortion) */
.sun-path-label-html {
    position: absolute;
    transform: translate(-50%, -100%); /* Center horizontally, above the point */
    font-size: 9px;
    font-weight: 600;
    color: #fbbf24; /* Yellow-400 */
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.8);
    pointer-events: none;
    white-space: nowrap;
}

.mini-horizon-svg {
    width: 100%;
    height: 125px;
    display: block;
    background: rgba(0, 0, 0, 0.2);
    border-radius: 6px;
}

/* Horizontal grid lines for degree reference */
.horizon-grid-horizontal {
    stroke: rgba(255, 255, 255, 0.15);
    stroke-width: 0.3;
    stroke-dasharray: 2, 2;
}

.mini-x-axis {
    display: flex;
    justify-content: space-between;
    font-size: 10px;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.7);
    padding: 4px 0 4px 28px;  /* Left padding matches Y-axis width */
}

.surface-values-col {
    flex: 1;
    min-width: 0;
}

.surface-label {
    font-weight: 600;
    font-size: 14px;
    margin-bottom: 8px;
    color: var(--color-text-primary);
}

.surface-values-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 12px 20px;
}

.value-item {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

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

.value-num {
    font-size: 16px;
    font-weight: 600;
    color: var(--color-text-primary);
}

.score-item {
    margin-left: auto;
}

/* Energy production value - highlight for visibility */
.energy-item .energy-value {
    color: #fbbf24; /* Yellow/gold for energy */
    font-weight: 700;
}

.flh-item {
    opacity: 0.7;
}

.flh-item .value-num {
    font-size: 14px;
}

.surface-score {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 13px;
    font-weight: 500;
}

.surface-score.excellent {
    background: rgba(34, 197, 94, 0.2);
    color: #4ade80;
}

.surface-score.good {
    background: rgba(250, 204, 21, 0.2);
    color: #fbbf24;
}

.surface-score.fair {
    background: rgba(156, 163, 175, 0.2);
    color: #9ca3af;
}

/* Mobile: Stack horizon above values */
@media (max-width: 500px) {
    .surface-row {
        flex-direction: column;
        align-items: stretch;
    }

    .surface-horizon-col {
        flex: none;
        width: 100%;
    }

    .score-item {
        margin-left: 0;
    }
}

/* Right column: 3D visualization */
.elevation-3d-column {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    padding: var(--spacing-md);
    min-height: 300px;
}

/* Responsive: Stack on tablet */
@media (max-width: 1024px) {
    .elevation-grid {
        grid-template-columns: 1fr 1fr;
    }

    .elevation-3d-column {
        grid-column: 1 / -1;
    }
}

/* Responsive: Stack on mobile */
@media (max-width: 600px) {
    .elevation-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .elevation-surfaces-column,
    .elevation-horizon-column,
    .elevation-3d-column {
        min-height: auto;
    }
}

/* Rotation Handle */
#rotation-handle {
    position: absolute;
    width: 24px;
    height: 24px;
    background: white;
    border: 2px solid var(--color-primary);
    border-radius: 50%;
    cursor: move;
    display: none;
    z-index: var(--z-map-controls);
    font-size: 16px;
    line-height: 20px;
    text-align: center;
    color: var(--color-primary);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    user-select: none;
}

/* Rotation Controls */
.rotation-controls {
    position: absolute;
    bottom: calc(var(--touch-target-min) + var(--spacing-md) + 60px);
    left: 50%;
    transform: translateX(-50%);
    background: white;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: 8px;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
    display: none;
    z-index: var(--z-map-controls);
    min-width: 240px;
}

.rotation-label {
    font-size: var(--font-size-small);
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-dark);
    font-weight: 500;
}

.rotation-slider {
    width: 100%;
    height: 6px;
    -webkit-appearance: none;
    background: #e0e0e0;
    border-radius: 3px;
    outline: none;
}

.rotation-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 18px;
    height: 18px;
    background: var(--color-primary);
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.2s ease;
}

.rotation-slider::-moz-range-thumb {
    width: 18px;
    height: 18px;
    background: var(--color-primary);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.2s ease;
}

/* Screen 1 Bottom Bar - REMOVED (confirm button now only in roof-info-panel) */

/* ==========================================
   SCREEN 2: Results View
   ========================================== */
.screen[data-screen="2"] {
    background: linear-gradient(315deg, var(--color-bg-dark) 0%, var(--color-bg-darker) 100%);
    overflow-y: auto;
}

/* Screen 2 Header */
.screen2-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: rgba(255, 255, 255, 0.1);
    position: sticky;
    top: 0;
    z-index: var(--z-screen-header);
}

.back-btn {
    background: transparent;
    border: none;
    color: var(--color-text-light);
    font-size: var(--font-size-interactive);
    cursor: pointer;
    padding: var(--spacing-sm);
    min-height: var(--touch-target-min);
    min-width: var(--touch-target-min);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
}

.back-btn:hover,
.back-btn:focus {
    background: rgba(255, 255, 255, 0.2);
    outline: 2px solid white;
}

.screen2-title {
    font-size: var(--font-size-h1);
    font-weight: 600;
    color: var(--color-text-light);
}

/* Collapsible Mini Map */
.collapsible-map-container {
    background: rgba(255, 255, 255, 0.05);
    margin: var(--spacing-md);
    border-radius: 8px;
    overflow: hidden;
}

.map-toggle-btn {
    width: 100%;
    background: rgba(255, 255, 255, 0.1);
    border: none;
    color: var(--color-text-light);
    padding: var(--spacing-md);
    font-size: var(--font-size-interactive);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    min-height: var(--touch-target-min);
    transition: background 0.2s ease;
}

.map-toggle-btn:hover,
.map-toggle-btn:focus {
    background: rgba(255, 255, 255, 0.2);
    outline: 2px solid white;
}

.map-toggle-icon {
    transition: transform 0.3s ease;
}

.map-toggle-btn.expanded .map-toggle-icon {
    transform: rotate(180deg);
}

.mini-map-wrapper {
    height: 200px;
    overflow: hidden;
    transition: height 0.3s ease;
}

.mini-map {
    width: 100%;
    height: 100%;
}

/* Results Container */
.results-container {
    padding: 0 var(--spacing-md) var(--spacing-md);
}

.results-placeholder {
    text-align: center;
    padding: var(--spacing-xl);
    color: rgba(255, 255, 255, 0.7);
}

.result-card {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.result-card-header {
    font-size: var(--font-size-h2);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-light);
}

.result-card-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

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

.result-stat-label {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.7);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--spacing-xs);
}

.result-stat-value {
    font-size: var(--font-size-h2);
    font-weight: 600;
    color: var(--color-success);
}

.result-score {
    font-size: var(--font-size-h1);
}

/* Form Container (on Screen 2) */
.form-container {
    background: rgba(255, 255, 255, 0.1);
    padding: var(--spacing-md);
    border-radius: 0;
    margin: 0;
}

.form-columns {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.radio-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.radio-option {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.radio-option input[type="radio"] {
    width: 20px;
    height: 20px;
    margin: 0;
    cursor: pointer;
    accent-color: var(--color-accent);
}

.radio-option label {
    color: white;
    font-size: var(--font-size-interactive);
    cursor: pointer;
    min-height: var(--touch-target-min);
    display: flex;
    align-items: center;
}

.select-wrapper {
    margin-bottom: var(--spacing-md);
}

select {
    width: 100%;
    padding: var(--spacing-md);
    border-radius: 4px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    background: rgba(0, 0, 51, 0.3);
    color: white;
    font-size: var(--font-size-interactive);
    min-height: var(--touch-target-min);
    cursor: pointer;
}

select option {
    background: var(--color-bg-dark);
    color: white;
}

/* Camera Section */
.camera-section {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.camera-button,
.photo-gallery-button {
    background: var(--color-accent);
    color: #000;
    padding: var(--spacing-md);
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s ease;
    width: 100%;
    font-size: var(--font-size-interactive);
    min-height: var(--touch-target-min);
}

.camera-button:hover,
.camera-button:focus,
.photo-gallery-button:hover,
.photo-gallery-button:focus {
    background: var(--color-accent-hover);
    transform: translateY(-2px);
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

.photo-gallery-button {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-sm);
}

.photo-count {
    background: rgba(0, 0, 0, 0.2);
    padding: 2px 8px;
    border-radius: 12px;
    font-size: var(--font-size-small);
}

/* Submit Button */
#submit-button {
    background: var(--color-accent);
    color: #000;
    padding: var(--spacing-md) var(--spacing-lg);
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s ease;
    width: 100%;
    margin-top: var(--spacing-lg);
    font-size: var(--font-size-interactive);
    min-height: var(--touch-target-min);
}

#submit-button:hover,
#submit-button:focus {
    background: var(--color-accent-hover);
    transform: translateY(-2px);
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

/* Error Messages */
.error-message {
    color: var(--color-error);
    font-size: var(--font-size-small);
    margin-top: var(--spacing-xs);
    display: none;
}

/* ==========================================
   MODAL OVERLAYS
   ========================================== */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: var(--z-modal);
}

.modal-content {
    background: linear-gradient(315deg, #1e2b4d 0%, var(--color-bg-dark) 100%);
    border-radius: 12px;
    padding: var(--spacing-xl);
    min-width: 90vw;
    max-width: 400px;
    max-height: 90vh;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    position: relative;
    color: white;
    overflow-y: auto;
}

.modal-content h2 {
    color: white;
    font-size: var(--font-size-h1);
    margin-bottom: var(--spacing-md);
    text-align: center;
}

.modal-content input {
    padding: var(--spacing-md);
    font-size: var(--font-size-interactive);
    border: 2px solid #fff;
    border-radius: 8px;
    margin-bottom: var(--spacing-md);
    background: rgba(255, 255, 255, 0.9);
    color: var(--color-text-dark);
    width: 100%;
    min-height: var(--touch-target-min);
}

.modal-content button {
    padding: var(--spacing-md);
    font-size: var(--font-size-interactive);
    border: none;
    border-radius: 8px;
    margin-bottom: var(--spacing-sm);
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 600;
    width: 100%;
    min-height: var(--touch-target-min);
}

.modal-content button:not(.close-modal) {
    background: var(--color-accent);
    color: #000;
}

.modal-content button:not(.close-modal):hover,
.modal-content button:not(.close-modal):focus {
    background: var(--color-accent-hover);
    transform: translateY(-2px);
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

.close-modal {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    background: rgba(255, 255, 255, 0.2);
    border: 2px solid white;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    font-size: 24px;
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

.close-modal:hover,
.close-modal:focus {
    background: rgba(255, 255, 255, 0.3);
    outline: 2px solid white;
}

/* Camera Capture Modal */
#image-capture-container {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.9);
    z-index: var(--z-modal);
}

#camera-preview {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    max-width: 100%;
    max-height: 80vh;
}

#photo-canvas {
    display: none;
}

.camera-controls {
    position: fixed;
    bottom: var(--spacing-lg);
    left: 0;
    right: 0;
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    padding: 0 var(--spacing-md);
}

#camera-preview-gallery {
    position: fixed;
    top: var(--spacing-lg);
    right: var(--spacing-md);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    max-height: 80vh;
    overflow-y: auto;
}

.preview-thumbnail {
    width: 100px;
    height: 75px;
    object-fit: cover;
    border: 2px solid white;
    border-radius: 4px;
    cursor: pointer;
}

/* Success Popup */
.popup-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: var(--z-modal);
    justify-content: center;
    align-items: center;
}

.popup-modal .popup-content {
    background: linear-gradient(315deg, #1e2b4d 0%, var(--color-bg-dark) 100%);
    padding: var(--spacing-xl);
    border-radius: 8px;
    max-width: 500px;
    width: 90%;
    color: white;
}

.popup-modal h2 {
    color: white;
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

.popup-modal .popup-logo {
    width: 150px;
    display: block;
    margin: 0 auto var(--spacing-lg);
}

.popup-modal .popup-button {
    background-color: white;
    color: black;
    border: none;
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: 4px;
    cursor: pointer;
    font-size: var(--font-size-interactive);
    min-height: var(--touch-target-min);
}

/* ==========================================
   RESPONSIVE BREAKPOINTS
   ========================================== */

/* Tablet (600px+) */
@media (min-width: 600px) {
    :root {
        --font-size-h1: 28px;
        --font-size-h2: 22px;
    }

    .banner {
        padding: var(--spacing-md) var(--spacing-lg);
    }

    .banner-logo {
        height: 40px;
    }

    .nsk-logo {
        height: 50px;
    }

    .ahlsell-logo {
        height: 30px;
    }

    .search-container {
        width: 400px;
        left: var(--spacing-md);
        right: auto;
    }

    .form-columns {
        flex-direction: row;
        gap: var(--spacing-lg);
    }

    .form-column {
        flex: 1;
    }

    .modal-content {
        min-width: 400px;
        padding: 3rem;
    }

    .result-card-stats {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* Desktop (1024px+) */
@media (min-width: 1024px) {
    :root {
        --font-size-h1: 32px;
        --font-size-h2: 24px;
    }

    .screen {
        max-width: 1200px;
        margin: 0 auto;
    }

    #submit-button {
        width: 300px;
        margin-left: auto;
        margin-right: auto;
    }

    .camera-section {
        flex-direction: row;
    }
}

/* ===================================
   3D ROOF VISUALIZATION
   =================================== */

.roof-3d-container {
    margin-top: 0;
    padding: 0;
    background: transparent;
    border-radius: 8px;
}

.roof-3d-container h4 {
    display: none; /* Hidden since parent column has title */
}

.roof-3d-viewport {
    position: relative;
    width: 100%;
    height: 280px;
    background: linear-gradient(135deg, #1a1a2e 0%, #0d0d1a 100%);
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

/* Canvas is created dynamically by Three.js */
.roof-3d-viewport canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100% !important;
    height: 100% !important;
    display: block;
}

.roof-3d-loading {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: rgba(26, 26, 46, 0.9);
    color: white;
    gap: var(--spacing-sm);
}

.roof-3d-controls {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

.roof-3d-controls .view-btn {
    padding: 10px 16px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border-radius: 6px;
    cursor: pointer;
    font-size: 13px;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 6px;
}

.roof-3d-controls .view-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-1px);
}

.roof-3d-controls .view-btn:active,
.roof-3d-controls .view-btn.active {
    background: var(--color-primary);
    border-color: var(--color-primary);
}

/* Mobile adjustments for 3D view */
@media (max-width: 600px) {
    .roof-3d-viewport {
        height: 200px;
    }
}

/* Accessibility: Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Accessibility: High Contrast Mode */
@media (prefers-contrast: high) {
    .tool-button,
    .roof-button,
    .back-btn,
    .map-toggle-btn,
    button {
        border: 2px solid currentColor;
    }
}

/* ==========================================
   2-SKJERMS ARKITEKTUR
   Skjerm 1: Adresse + Kart + Takflatevalg + Takvinkler/orientering
   Skjerm 2: Horisont + 3D + Produksjon + Skjema
   ========================================== */

/* === SCREEN 1: Elevation Surfaces Section (under map) === */
.elevation-surfaces-section {
    background: var(--glass-bg);
    padding: var(--spacing-md);
    border-top: 1px solid var(--glass-border);
}

.elevation-surfaces-section .section-title {
    color: var(--color-accent);
    font-size: var(--font-size-h2);
    margin-bottom: var(--spacing-md);
}

.elevation-surfaces {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
}

.elevation-surface-card {
    background: rgba(255, 255, 255, 0.08);
    border-radius: 12px;
    padding: var(--spacing-md);
    border-left: 4px solid var(--color-success);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.elevation-surface-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.elevation-surface-card h4 {
    color: var(--color-text-light);
    font-size: 16px;
    margin-bottom: var(--spacing-sm);
}

.elevation-surface-card .stat-row {
    display: flex;
    justify-content: space-between;
    padding: 4px 0;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.8);
}

.elevation-surface-card .stat-value {
    color: var(--color-accent);
    font-weight: 600;
}

/* Rating badge on surface cards */
.surface-rating {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
    margin-top: var(--spacing-sm);
}

.surface-rating.excellent {
    background: var(--color-success);
    color: #000;
}

.surface-rating.good {
    background: var(--color-warning);
    color: #000;
}

.surface-rating.fair {
    background: #f97316;
    color: #fff;
}

/* === SCREEN 2: Content Area === */
.screen2-content {
    flex: 1;
    padding: var(--spacing-md);
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.screen-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--glass-bg);
    border-bottom: 1px solid var(--glass-border);
    position: sticky;
    top: 0;
    z-index: var(--z-screen-header);
}

.back-btn {
    background: rgba(255, 255, 255, 0.1);
    color: var(--color-text-light);
    border: 1px solid var(--glass-border);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: 8px;
    font-size: var(--font-size-body);
    cursor: pointer;
    min-height: var(--touch-target-min);
    transition: background 0.2s ease;
}

.back-btn:hover {
    background: rgba(255, 255, 255, 0.2);
}

.screen-title {
    font-size: var(--font-size-h1);
    color: var(--color-text-light);
    margin: 0;
}

/* Analysis sections on Screen 2 */
.analysis-section {
    background: var(--glass-bg);
    border-radius: 16px;
    padding: var(--spacing-lg);
    border: 1px solid var(--glass-border);
}

.analysis-section-title {
    color: var(--color-accent);
    font-size: var(--font-size-h2);
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

/* Horizon chart full width */
.horizon-chart-full {
    width: 100%;
    height: 200px;
    background: linear-gradient(180deg, #0d0d1a 0%, #1a1a2e 100%);
    border-radius: 12px;
    position: relative;
    overflow: hidden;
}

.horizon-description {
    color: rgba(255, 255, 255, 0.6);
    font-size: var(--font-size-small);
    margin-top: var(--spacing-sm);
    line-height: 1.5;
}

/* 3D Viewport large version */
.roof-3d-viewport-large {
    width: 100%;
    height: 350px;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    border-radius: 12px;
    position: relative;
    overflow: hidden;
}

.roof-3d-viewport-large canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100% !important;
    height: 100% !important;
}

.roof-3d-controls-large {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
    flex-wrap: wrap;
}

.roof-3d-controls-large .view-btn {
    flex: 1;
    min-width: 100px;
    padding: var(--spacing-sm) var(--spacing-md);
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    color: var(--color-text-light);
    font-size: var(--font-size-small);
    cursor: pointer;
    min-height: var(--touch-target-min);
    transition: all 0.2s ease;
}

.roof-3d-controls-large .view-btn:hover {
    background: rgba(255, 255, 255, 0.2);
}

.roof-3d-controls-large .view-btn.active {
    background: var(--color-primary);
    border-color: var(--color-primary);
}

.roof-3d-controls-large .controls-separator {
    color: rgba(255, 255, 255, 0.3);
    font-size: 1.2rem;
    align-self: center;
    padding: 0 var(--spacing-xs);
}

.roof-3d-controls-large .export-btn {
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--color-success);
    background: rgba(40, 167, 69, 0.2);
    color: var(--color-success);
    border-radius: 8px;
    cursor: pointer;
    font-size: var(--font-size-small);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: all 0.2s ease;
}

.roof-3d-controls-large .export-btn:hover {
    background: rgba(40, 167, 69, 0.3);
    transform: translateY(-1px);
}

.roof-3d-controls-large .export-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

/* Production cards grid */
.production-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-md);
}

.production-card {
    background: rgba(255, 255, 255, 0.08);
    border-radius: 12px;
    padding: var(--spacing-md);
    text-align: center;
    border: 1px solid var(--glass-border);
}

.production-label {
    display: block;
    color: rgba(255, 255, 255, 0.6);
    font-size: var(--font-size-small);
    margin-bottom: var(--spacing-xs);
}

.production-value {
    display: block;
    color: var(--color-accent);
    font-size: var(--font-size-h2);
    font-weight: 700;
}

/* Form section styling */
.form-section {
    margin-top: var(--spacing-md);
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-label {
    display: block;
    color: var(--color-text-light);
    font-weight: 500;
    margin-bottom: var(--spacing-sm);
}

.form-select {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    color: var(--color-text-light);
    font-size: var(--font-size-body);
    min-height: var(--touch-target-min);
    cursor: pointer;
}

.form-select option {
    background: var(--color-bg-dark);
    color: var(--color-text-light);
}

.radio-group-horizontal {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.radio-card {
    flex: 1;
    min-width: 120px;
    padding: var(--spacing-md);
    background: rgba(255, 255, 255, 0.08);
    border: 2px solid transparent;
    border-radius: 12px;
    cursor: pointer;
    text-align: center;
    transition: all 0.2s ease;
}

.radio-card:hover {
    background: rgba(255, 255, 255, 0.12);
}

.radio-card:has(input:checked) {
    border-color: var(--color-primary);
    background: rgba(25, 118, 210, 0.2);
}

.radio-card input {
    display: none;
}

.radio-card-text {
    color: var(--color-text-light);
    font-weight: 500;
}

/* Camera and submit section */
.camera-section {
    display: flex;
    gap: var(--spacing-md);
    margin: var(--spacing-lg) 0;
    flex-wrap: wrap;
}

.camera-button,
.photo-gallery-button {
    flex: 1;
    min-width: 140px;
    padding: var(--spacing-md);
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    color: var(--color-text-light);
    font-size: var(--font-size-body);
    cursor: pointer;
    min-height: var(--touch-target-min);
    transition: all 0.2s ease;
}

.camera-button:hover,
.photo-gallery-button:hover {
    background: rgba(255, 255, 255, 0.2);
}

.photo-count {
    background: var(--color-primary);
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 12px;
    margin-left: var(--spacing-xs);
}

.submit-btn {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--color-accent);
    color: #000;
    border: none;
    border-radius: 12px;
    font-size: var(--font-size-interactive);
    font-weight: 600;
    cursor: pointer;
    min-height: 56px;
    transition: all 0.2s ease;
}

.submit-btn:hover {
    background: var(--color-accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 215, 0, 0.3);
}

/* Loading and error states */
.elevation-results-loading,
.elevation-results-error {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    padding: var(--spacing-xl);
    background: var(--glass-bg);
    border-radius: 12px;
    margin: var(--spacing-md);
}

.loading-spinner {
    width: 24px;
    height: 24px;
    border: 3px solid rgba(255, 255, 255, 0.2);
    border-top-color: var(--color-accent);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

.error-icon {
    font-size: 24px;
}

.error-message {
    color: var(--color-error);
    font-size: var(--font-size-small);
    margin-top: var(--spacing-xs);
    display: none;
}

/* Screen 1 bottom bar - REMOVED (duplicate styles cleaned up) */

/* === Responsive adjustments for 2-screen layout === */
@media (max-width: 768px) {
    .elevation-surfaces {
        grid-template-columns: 1fr;
    }

    .production-cards {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .roof-3d-viewport-large {
        height: 280px;
    }

    .horizon-chart-full {
        height: 160px;
    }
}

@media (max-width: 480px) {
    .production-cards {
        grid-template-columns: 1fr;
    }

    .radio-group-horizontal {
        flex-direction: column;
    }

    .radio-card {
        min-width: 100%;
    }

    .camera-section {
        flex-direction: column;
    }

    .camera-button,
    .photo-gallery-button {
        min-width: 100%;
    }
}

/* ==========================================
   TIMING TABLE (Processing Performance)
   ========================================== */

.timing-table-wrapper {
    margin-top: var(--spacing-lg);
    padding: var(--spacing-md);
    background: rgba(15, 23, 42, 0.6);
    border-radius: 8px;
    border: 1px solid var(--glass-border);
}

.timing-header {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-sm);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.timing-icon {
    font-size: 16px;
}

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

.timing-table td {
    padding: 6px 8px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

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

.timing-label {
    color: rgba(255, 255, 255, 0.8);
    white-space: nowrap;
}

.timing-row-icon {
    margin-right: 6px;
    font-size: 11px;
}

.timing-value {
    text-align: right;
    font-family: 'SF Mono', 'Monaco', 'Inconsolata', monospace;
    color: var(--color-warning);
    font-weight: 500;
    min-width: 60px;
}

.timing-bar-cell {
    width: 80px;
    padding-left: var(--spacing-sm);
}

.timing-bar {
    height: 6px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
    border-radius: 3px;
    min-width: 2px;
}

.timing-total-row td {
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    padding-top: 8px;
}

.timing-total-row .timing-value {
    color: var(--color-success);
}