/* 
 * Building Height Detector - Styles
 * 
 * A distinctive, modern dark theme with cyan accents
 * Inspired by architectural visualization software
 */

/* ============================================================================
 * CSS Variables
 * ============================================================================ */
:root {
    /* Colors - Dark theme with cyan accent */
    --bg-primary: #0a0e17;
    --bg-secondary: #121825;
    --bg-tertiary: #1a2332;
    --bg-hover: #232d3f;

    --accent-primary: #00d4ff;
    --accent-secondary: #00ff9d;
    --accent-warning: #ffb800;
    --accent-danger: #ff4757;

    --text-primary: #f0f4fc;
    --text-secondary: #b0b8c8;
    --text-muted: #7a8597;

    --border-color: #2a3548;
    --shadow-color: rgba(0, 0, 0, 0.5);

    /* Typography */
    --font-main: 'Segoe UI', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;

    /* Spacing */
    --panel-padding: 16px;
    --border-radius: 8px;
    --panel-width: 280px;
}

/* ============================================================================
 * Base Styles
 * ============================================================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-main);
    background: var(--bg-primary);
    color: var(--text-primary);
    overflow: hidden;
    height: 100vh;
    width: 100vw;
}

/* ============================================================================
 * Canvas Container
 * ============================================================================ */
#canvas-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

#canvas-container canvas {
    display: block;
}

/* ============================================================================
 * Control Panel (Left Side)
 * ============================================================================ */
#control-panel {
    position: fixed;
    top: 20px;
    left: 20px;
    width: var(--panel-width);
    max-height: calc(100vh - 40px);
    overflow-y: auto;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: var(--panel-padding);
    z-index: 100;
    box-shadow: 0 8px 32px var(--shadow-color);
}

#control-panel h2 {
    font-size: 18px;
    font-weight: 600;
    color: var(--accent-primary);
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border-color);
}

.panel-section {
    margin-bottom: 20px;
}

.panel-section h3 {
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-primary);
    margin-bottom: 10px;
}

/* Form Elements */
select,
input[type="number"] {
    width: 100%;
    padding: 10px 12px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-primary);
    font-size: 14px;
    margin-bottom: 8px;
    transition: border-color 0.2s, box-shadow 0.2s;
}

select:focus,
input[type="number"]:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 2px rgba(0, 212, 255, 0.2);
}

select option {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

/* Range Sliders */
input[type="range"] {
    width: 100%;
    height: 6px;
    -webkit-appearance: none;
    background: var(--bg-tertiary);
    border-radius: 3px;
    margin: 8px 0;
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 18px;
    height: 18px;
    background: var(--accent-primary);
    border-radius: 50%;
    cursor: pointer;
    transition: transform 0.1s;
}

input[type="range"]::-webkit-slider-thumb:hover {
    transform: scale(1.1);
}

input[type="range"]::-moz-range-thumb {
    width: 18px;
    height: 18px;
    background: var(--accent-primary);
    border: none;
    border-radius: 50%;
    cursor: pointer;
}

/* Range Value Display */
.panel-section span {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 14px;
    color: var(--accent-primary);
    margin-left: 8px;
}

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

/* Checkboxes */
.panel-section label {
    display: flex;
    align-items: center;
    font-size: 13px;
    color: var(--text-primary);
    margin-bottom: 8px;
    cursor: pointer;
}

.panel-section label input[type="checkbox"] {
    margin-right: 10px;
    width: 16px;
    height: 16px;
    accent-color: var(--accent-primary);
}

/* Custom Coordinates */
#custom-coords {
    margin-top: 10px;
    padding: 10px;
    background: var(--bg-tertiary);
    border-radius: 6px;
}

#custom-coords label {
    display: block;
    font-size: 12px;
    color: var(--text-secondary);
    margin-bottom: 6px;
}

#custom-coords input {
    margin-top: 4px;
}

/* Buttons */
.primary-btn {
    width: 100%;
    padding: 14px 20px;
    background: linear-gradient(135deg, var(--accent-primary), #0099cc);
    border: none;
    border-radius: 6px;
    color: var(--bg-primary);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.1s, box-shadow 0.2s;
}

.primary-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 16px rgba(0, 212, 255, 0.4);
}

.primary-btn:active {
    transform: translateY(0);
}

.primary-btn:disabled {
    background: var(--bg-tertiary);
    color: var(--text-muted);
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

/* Progress Bar */
#progress-container {
    margin-top: 12px;
}

#progress-bar {
    height: 6px;
    background: var(--bg-tertiary);
    border-radius: 3px;
    overflow: hidden;
}

#progress-fill {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
    transition: width 0.3s;
}

#progress-text {
    display: block;
    text-align: center;
    font-size: 12px;
    color: var(--text-secondary);
    margin-top: 6px;
}

/* ============================================================================
 * Stats Panel (Bottom Right)
 * ============================================================================ */
#stats-panel {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 200px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: var(--panel-padding);
    z-index: 100;
    box-shadow: 0 8px 32px var(--shadow-color);
}

#stats-panel h3 {
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-secondary);
    margin-bottom: 12px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border-color);
}

.stat-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}

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

.stat-value {
    font-family: var(--font-mono);
    font-size: 13px;
    color: var(--accent-primary);
}

/* ============================================================================
 * Compass (Below Minimap in Top Right)
 * ============================================================================ */
#compass {
    position: fixed;
    top: 200px;
    /* Below minimap */
    right: 70px;
    /* Centered under minimap */
    width: 80px;
    height: 80px;
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: 50%;
    z-index: 100;
    box-shadow: 0 4px 16px var(--shadow-color);
}

#compass-needle {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 4px;
    height: 30px;
    background: linear-gradient(to bottom, var(--accent-danger) 50%, var(--text-muted) 50%);
    transform: translate(-50%, -50%);
    transform-origin: center center;
    transition: transform 0.3s ease-out;
    border-radius: 2px;
}

.compass-label {
    position: absolute;
    font-size: 10px;
    font-weight: 600;
    color: var(--text-secondary);
}

.compass-label.north {
    top: 6px;
    left: 50%;
    transform: translateX(-50%);
    color: var(--accent-danger);
}

.compass-label.east {
    right: 6px;
    top: 50%;
    transform: translateY(-50%);
}

.compass-label.south {
    bottom: 6px;
    left: 50%;
    transform: translateX(-50%);
}

.compass-label.west {
    left: 6px;
    top: 50%;
    transform: translateY(-50%);
}

/* ============================================================================
 * Mini Map (Top Right, above compass)
 * ============================================================================ */
#mini-map {
    position: fixed;
    top: 20px;
    right: 20px;
    width: 180px;
    height: 150px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    z-index: 100;
    overflow: hidden;
    box-shadow: 0 8px 32px var(--shadow-color);
}

/* Leaflet customization */
#mini-map .leaflet-control-attribution {
    display: none;
}

#mini-map .leaflet-control-zoom {
    display: none;
}

/* ============================================================================
 * Building Tooltip
 * ============================================================================ */
#building-tooltip {
    position: fixed;
    background: var(--bg-secondary);
    border: 1px solid var(--accent-primary);
    border-radius: 6px;
    padding: 12px 16px;
    z-index: 200;
    pointer-events: none;
    box-shadow: 0 4px 16px var(--shadow-color);
    max-width: 250px;
}

#tooltip-content {
    font-size: 13px;
}

#tooltip-content .tooltip-title {
    font-weight: 600;
    color: var(--accent-primary);
    margin-bottom: 8px;
}

#tooltip-content .tooltip-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: 4px;
}

#tooltip-content .tooltip-label {
    color: var(--text-secondary);
}

#tooltip-content .tooltip-value {
    color: var(--text-primary);
    font-family: var(--font-mono);
}

/* ============================================================================
 * Loading Overlay
 * ============================================================================ */
#loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(10, 14, 23, 0.9);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.loading-spinner {
    width: 60px;
    height: 60px;
    border: 3px solid var(--bg-tertiary);
    border-top-color: var(--accent-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

#loading-text {
    margin-top: 20px;
    font-size: 14px;
    color: var(--text-secondary);
}

/* ============================================================================
 * Utility Classes
 * ============================================================================ */
.hidden {
    display: none !important;
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
    background: var(--bg-tertiary);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--border-color);
}

/* ============================================================================
 * Pipeline Debug UI
 * ============================================================================ */
.panel-divider {
    height: 1px;
    background: var(--border-color);
    margin: 20px 0;
}

.secondary-btn {
    width: 100%;
    padding: 10px 16px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-primary);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

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

.danger-btn {
    width: 100%;
    padding: 8px 12px;
    background: transparent;
    border: 1px solid var(--accent-danger);
    border-radius: 6px;
    color: var(--accent-danger);
    font-size: 12px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    margin-top: 12px;
}

.danger-btn:hover {
    background: rgba(255, 71, 87, 0.1);
}

#debug-controls {
    margin-top: 12px;
}

#debug-step-info {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: 10px;
    background: var(--bg-tertiary);
    border-radius: 6px;
    margin-bottom: 8px;
}

#debug-step-number {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--accent-warning);
    text-transform: uppercase;
    letter-spacing: 1px;
}

#debug-step-name {
    font-size: 15px;
    font-weight: 600;
    color: var(--accent-primary);
}

#debug-step-description {
    margin-bottom: 12px !important;
}

.debug-nav {
    display: flex;
    gap: 8px;
    margin-bottom: 12px;
}

.nav-btn {
    flex: 1;
    padding: 10px 12px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-primary);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

.nav-btn:hover:not(:disabled) {
    background: var(--bg-hover);
    border-color: var(--accent-primary);
    color: var(--accent-primary);
}

.nav-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

#debug-building-selector {
    padding: 10px;
    background: var(--bg-tertiary);
    border-radius: 6px;
    margin-bottom: 12px;
}

#debug-building-selector label {
    display: block;
    font-size: 12px;
    color: var(--text-secondary);
    margin-bottom: 0;
}

#debug-building-select {
    margin-top: 6px;
    margin-bottom: 0;
}

#debug-building-count {
    font-size: 11px;
    color: var(--text-muted);
    margin-left: 0 !important;
    margin-top: 4px;
    display: block;
}

.debug-stats {
    background: var(--bg-tertiary);
    border-radius: 6px;
    padding: 12px;
    margin-bottom: 12px;
    font-size: 12px;
    max-height: 200px;
    overflow-y: auto;
}

.debug-stats-title {
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    font-size: 10px;
    letter-spacing: 0.5px;
    margin-bottom: 10px;
    padding-bottom: 6px;
    border-bottom: 1px solid var(--border-color);
}

.debug-stat-item {
    display: flex;
    justify-content: space-between;
    margin-bottom: 4px;
    color: var(--text-primary);
}

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

.debug-stat-group {
    margin-bottom: 8px;
    padding: 6px;
    background: var(--bg-secondary);
    border-radius: 4px;
}

.debug-stat-group .debug-stat-label {
    font-weight: 500;
    color: var(--accent-secondary);
    font-size: 11px;
    margin-bottom: 4px;
}

.debug-stat-subitem {
    font-size: 11px;
    color: var(--text-secondary);
    margin-left: 8px;
    margin-bottom: 2px;
}

.debug-issues {
    margin-top: 10px;
    padding-top: 8px;
    border-top: 1px solid var(--border-color);
}

.debug-issues strong {
    color: var(--accent-warning);
    font-size: 11px;
    text-transform: uppercase;
}

.debug-issues ul {
    margin: 6px 0 0 0;
    padding-left: 16px;
}

.debug-issues li {
    font-size: 11px;
    color: var(--accent-warning);
    margin-bottom: 4px;
}

/* ============================================================================
 * Collapsible Sections
 * ============================================================================ */
.collapsible {
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 0;
    margin-bottom: 12px;
}

.collapsible-header {
    padding: 10px 12px;
    margin: 0 !important;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--bg-tertiary);
    border-radius: 6px;
    transition: background 0.2s;
}

.collapsible-header:hover {
    background: var(--bg-hover);
}

.collapse-icon {
    font-size: 10px;
    color: var(--text-muted);
    transition: transform 0.2s;
}

.collapsible.collapsed .collapse-icon {
    transform: rotate(-90deg);
}

.collapsible-content {
    padding: 12px;
    border-top: 1px solid var(--border-color);
}

.collapsible.collapsed .collapsible-content {
    display: none;
}

.subsection {
    margin-bottom: 12px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border-color);
}

.subsection:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

/* Opacity control */
.opacity-control {
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid var(--border-color);
}

.opacity-control label {
    display: block;
    font-size: 12px;
    color: var(--text-secondary);
    margin-bottom: 6px;
}

/* Small inputs for inline use */
.small-input {
    width: 70px !important;
    padding: 6px 8px !important;
    font-size: 12px !important;
    margin-left: 8px;
    margin-bottom: 4px !important;
}

#sor-options,
#ror-options {
    margin-top: 8px;
    padding-left: 10px;
}

#sor-options label,
#ror-options label {
    font-size: 11px;
    margin-bottom: 4px;
}

/* ============================================================================
 * Post-Processing Smoothing Controls
 * ============================================================================ */
#smoothing-controls {
    margin-top: 10px;
}

#smoothing-controls.disabled-section {
    opacity: 0.5;
    pointer-events: none;
}

#smoothing-controls label {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 6px;
}

#smoothing-controls select {
    width: 100%;
    margin-top: 4px;
    margin-bottom: 10px;
}

.smoothing-params {
    background: var(--bg-tertiary);
    border-radius: 6px;
    padding: 10px;
    margin-bottom: 12px;
}

.smoothing-params.hidden {
    display: none;
}

.smoothing-params label {
    font-size: 12px;
}

.smoothing-params .hint {
    margin-top: 0;
    margin-bottom: 8px;
    font-size: 10px;
}

.button-group {
    display: flex;
    gap: 8px;
    margin-top: 10px;
}

.button-group button {
    flex: 1;
    padding: 8px 12px;
    font-size: 12px;
}

#smoothing-status {
    margin-top: 10px;
    font-size: 11px;
    color: var(--text-secondary);
    text-align: center;
}

/* ============================================================================
 * Mobile Warning Overlay
 * ============================================================================ */
#mobile-warning {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(10, 14, 23, 0.97);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 10000;
}

.mobile-warning-content {
    text-align: center;
    padding: 40px 30px;
    max-width: 380px;
}

.mobile-warning-icon {
    font-size: 64px;
    margin-bottom: 20px;
}

.mobile-warning-content h2 {
    font-size: 24px;
    color: var(--accent-primary);
    margin-bottom: 16px;
}

.mobile-warning-content p {
    font-size: 15px;
    color: var(--text-secondary);
    margin-bottom: 12px;
    line-height: 1.5;
}

.mobile-warning-hint {
    font-size: 13px !important;
    color: var(--text-muted) !important;
    margin-bottom: 24px !important;
}

#mobile-dismiss-btn {
    width: auto;
    padding: 12px 32px;
    font-size: 14px;
    opacity: 0.7;
}

/* ============================================================================
 * DEMO Watermark
 * ============================================================================ */
#demo-watermark {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) rotate(-30deg);
    font-size: 120px;
    font-weight: 900;
    color: rgba(255, 255, 255, 0.04);
    letter-spacing: 20px;
    pointer-events: none;
    z-index: 50;
    user-select: none;
    white-space: nowrap;
    font-family: var(--font-main);
}

/* ============================================================================
 * Info Icons (Tooltips) for Display Options
 * ============================================================================ */
.info-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 16px;
    height: 16px;
    font-size: 12px;
    color: var(--text-muted);
    cursor: help;
    margin-left: auto;
    position: relative;
    flex-shrink: 0;
    transition: color 0.2s;
}

.info-icon:hover {
    color: var(--accent-primary);
}

.info-tooltip {
    position: fixed;
    width: 240px;
    padding: 10px 12px;
    background: var(--bg-primary);
    border: 1px solid var(--accent-primary);
    border-radius: 6px;
    color: var(--text-primary);
    font-size: 12px;
    line-height: 1.5;
    font-weight: 400;
    z-index: 10000;
    pointer-events: none;
    box-shadow: 0 4px 16px var(--shadow-color);
    white-space: normal;
}

/* ============================================================================
 * Location Change Confirmation Modal
 * ============================================================================ */
#location-change-dialog {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(10, 14, 23, 0.85);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 2000;
}

#location-change-dialog .modal-content {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 24px;
    max-width: 380px;
    width: 90%;
}

#location-change-dialog h3 {
    color: var(--accent-warning);
    margin-bottom: 12px;
}

#location-change-dialog p {
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.5;
    margin-bottom: 20px;
}

#location-change-dialog .modal-buttons {
    display: flex;
    gap: 10px;
}

#location-change-dialog .modal-buttons button {
    flex: 1;
}

/* ============================================================================
 * Responsive adjustments
 * ============================================================================ */
@media (max-width: 768px) {
    #control-panel {
        width: calc(100% - 40px);
        max-height: 50vh;
    }

    #mini-map {
        width: 120px;
        height: 100px;
    }

    #compass {
        top: 140px;
        right: 40px;
        width: 60px;
        height: 60px;
    }

    #stats-panel {
        width: calc(100% - 40px);
        bottom: auto;
        top: auto;
        right: 20px;
    }
}