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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: var(--color-viz-bg);
    color: var(--color-darkFontPrimary);
    overflow: hidden;
}

:root {
    /* ============================================
       CSS VARIABLES - Unified Color Palette
       (inherited from cloudbeacon root style.css)
       ============================================ */
    
    /* Light Theme Colors */
    --color-buttonPrimary: #333333;
    --color-buttonSecondary: #e0e0e0;
    --color-fontPrimary: #333333;
    --color-fontSecondary: #888888;
    --color-pageBackground: #f0f0f0;
    --color-cardBackground: #ffffff;
    --color-textboxBackground: #ffffff;
    
    /* Dark Theme Colors */
    --color-darkPageBg: #1a1a1a;
    --color-darkCardBg: #2a2218;
    --color-darkPaperBg: #fdfcf8;
    --color-darkFontPrimary: #ffffff;
    --color-darkFontSecondary: #cccccc;
    
    /* Semantic Colors */
    --color-delete: #dc3545;
    --color-success: #2b8a3e;
    --color-warning: #f59f00;
    --color-info: #0066cc;
    --color-legislationTag: #d3f9d8;
    --color-legislationTagText: #1a6b2e;
    --color-projectTag: #dbe4ff;
    --color-projectTagText: #364fc7;
    --color-stageTag: #fff3bf;
    --color-stageTagText: #7d5a00;
    --color-progressBar: #4caf50;
    --color-border: #ccc;
    --color-shadow: rgba(0,0,0,0.1);
    
    /* Size Constants - Typography */
    --size-font-xs: 12px;
    --size-font-sm: 13px;
    --size-font-base: 14px;
    --size-font-lg: 15px;
    --size-font-xl: 16px;
    
    /* Gradient Presets */
    --gradient-primary: linear-gradient(90deg, #888888, #a6a6a6);
    --gradient-success: linear-gradient(90deg, #10b981, #34d399);
    --gradient-danger: linear-gradient(90deg, #ef4444, #dc2626);
    --gradient-warning: linear-gradient(90deg, #f59e0b, #f97316);
    
    /* Spacing Constants */
    --spacing-xs: 2px;
    --spacing-sm: 4px;
    --spacing-md: 6px;
    --spacing-lg: 8px;
    --spacing-xl: 12px;
    --spacing-xxl: 16px;
    --spacing-xxxl: 20px;
    
    /* Typography Constants */
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    
    /* Border Radius Constants */
    --border-radius-none: 0;
    --border-radius-sm: 3px;
    --border-radius-base: 4px;
    --border-radius-md: 6px;
    --border-radius-lg: 8px;
    --border-radius-xl: 12px;
    --border-radius-full: 9999px;
    
    /* Shadow Constants */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    
    /* Component Size Constants */
    --component-button-height: 36px;
    --component-button-padding-x: 12px;
    --component-button-padding-y: 8px;
    --component-input-height: 36px;
    --component-input-padding-x: 12px;
    --component-input-padding-y: 8px;
    --component-modal-width-sm: 400px;
    --component-modal-width-md: 600px;
    --component-modal-width-lg: 900px;
    --component-avatar-sm: 24px;
    --component-avatar-md: 40px;
    --component-avatar-lg: 56px;
    
    /* Z-Index Constants */
    --z-index-base: 1;
    --z-index-dropdown: 100;
    --z-index-floating-menu: 200;
    --z-index-modal: 300;
    --z-index-overlay: 400;
    
    /* Transition Constants */
    --transition-fast: 150ms ease;
    --transition-normal: 300ms ease;
    --transition-slow: 500ms ease;
    
    /* ============================================
       EM Visualization-Specific Colors
       (unique aesthetic for earthquake viz)
       ============================================ */
    --color-viz-primary: #333333;
    --color-viz-primary-dark: #888888;
    --color-viz-panel-dark: #333333;
    --color-viz-panel-accent: #16213e;
    --color-viz-bg: #333333;
    --color-viz-timeline-start: #333333;
    --color-viz-timeline-end: #333333;
    --color-viz-scrollbar-track: #888888;
    --color-viz-scrollbar-hover: #333333;
}

#container {
    width: 100vw;
    height: 100vh;
    display: grid;
    grid-template-columns: 280px 1fr 280px;
    grid-template-rows: 42px 1fr;
    gap: 0;
}



#timeline-controls {
    grid-column: 1 / -1;
    grid-row: 1;
    background: linear-gradient(90deg, var(--color-viz-timeline-start) 0%, var(--color-viz-timeline-end) 100%);
    border-bottom: 2px solid var(--color-viz-primary);
    padding: 10px 20px;
    display: flex;
    gap: 20px;
    align-items: center;
    box-shadow: 0 4px 12px rgba(197, 197, 197, 0.6);
    overflow-x: auto;
}

.timeline-header {
    display: flex;
    gap: 10px;
    align-items: center;
}

.timeline-btn {
    padding: 8px 14px;
    background: var(--color-viz-primary-dark);
    color: #000;
    border: none;
    border-radius: 3px;
    font-weight: bold;
    cursor: pointer;
    font-size: 11px;
    text-transform: uppercase;
    transition: all 0.3s ease;
    white-space: nowrap;
    min-width: 42px;
}

.timeline-btn:hover {
    box-shadow: 0 0 12px #888888;
    transform: translateY(-1px);
}

.timeline-btn:active {
    transform: translateY(1px);
}

.timeline-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.date-display {
    display: flex;
    gap: 2px;
    align-items: center;
    background: var(--color-viz-panel-dark);
    padding: 0;
    border-radius: 3px;
    border: 1px solid var(--color-viz-primary);
    min-width: 42px;
}

#current-date {
    color: var(--color-cardBackground);
    font-weight: bold;
    flex: 1;
    font-size: 12px;
    padding-left: 19px;
    padding-top: 5px;
    padding-bottom: 8px;
}

#date-selector-btn {
    padding: 8px 5px;
    background: var(--color-viz-primary-dark);
    color: #000;
    border: none;
    border-radius: 2px;
    cursor: pointer;
    font-size: 11px;
    font-weight: bold;
    min-width: 42px;
    max-width: 42px;
}

#date-selector-btn:hover {
    background: var(--color-viz-primary-dark);
}

.timeline-mode {
    display: flex;
    gap: 8px;
    align-items: center;
    font-size: 12px;
    color: var(--color-darkFontSecondary);
}

.timeline-mode select {
    padding: 6px 8px;
    background: var( --color-darkFontPrimary);
    border: 1px solid var(--color-viz-primary);
    color: var(--color-viz-primary);
    border-radius: 3px;
    font-size: 11px;
    cursor: pointer;
}

.timeline-mode select:focus {
    outline: none;
    box-shadow: 0 0 8px rgba(197, 197, 197, 0.6);
}

.timeline-speed {
    display: flex;
    gap: 8px;
    align-items: center;
    font-size: 12px;
    color: var(--color-darkFontSecondary);
}

.timeline-speed input {
    width: 100px;
    height: 4px;
    border-radius: 2px;
    background: var(--color-border);
    outline: none;
}

.timeline-speed input::-webkit-slider-thumb {
    appearance: none;
    -webkit-appearance: none;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--color-viz-primary);
    cursor: pointer;
    box-shadow: 0 0 6px rgba(0, 212, 255, 0.6);
}

.timeline-speed input::-moz-range-thumb {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--color-viz-primary);
    cursor: pointer;
    border: none;
    box-shadow: 0 0 6px rgba(197, 197, 197, 0.6);
}

#speed-display {
    color: var(--color-viz-primary);
    font-weight: bold;
    min-width: 40px;
}

.timeline-interval {
    display: flex;
    gap: 8px;
    align-items: center;
    font-size: 12px;
    color: var(--color-darkFontSecondary);
}

.timeline-interval select {
    padding: 6px 8px;
    background: var(--color-viz-panel-accent);
    border: 1px solid var(--color-viz-primary);
    color: var(--color-viz-primary);
    border-radius: 3px;
    font-size: 11px;
    cursor: pointer;
}

.timeline-interval select:focus {
    outline: none;
    box-shadow: 0 0 8px rgba(197, 197, 197, 0.6);
}

.timeline-progress {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.progress-bar {
    width: 100%;
    height: 8px;
    background: var(--color-border);
    border-radius: 4px;
    overflow: hidden;
    cursor: pointer;
}

#progress-fill {
    height: 100%;
    background: linear-gradient(90deg, #f2f2f2, #767677);
    border-radius: 4px;
    width: 0%;
    transition: width 0.1s linear;
    box-shadow: 0 0 8px rgba(197, 197, 197, 0.6);
}

#time-range-display {
    font-size: 11px;
    color: var(--color-darkFontSecondary);
    margin: 0;
}

canvas {
    display: block;
    width: 100%;
    height: 100%;
}

#controls-panel {
    grid-column: 1;
    background: var(--color-viz-panel-dark);
    border-right: 1px solid var(--color-border);
    padding: 20px;
    overflow-y: auto;
    box-shadow: 4px 0 8px rgba(197, 197, 197, 0.6);
}

#canvas-container {
    grid-column: 2;
    background: linear-gradient(135deg, var(--color-viz-panel-dark) 0%, var(--color-viz-panel-accent) 100%);
    position: relative;
}

#info-panel {
    grid-column: 3;
    background: var(--color-viz-panel-dark);
    border-left: 1px solid var(--color-border);
    padding: 20px;
    overflow-y: auto;
    box-shadow: -4px 0 8px rgba(197, 197, 197, 0.6);
    display: block;
}

#info-panel.active {
    display: inline;
}

h2, h3 {
    margin-bottom: 15px;
    color: var(--color-viz-primary-dark);
    font-size: 16px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.control-group {
    margin-bottom: 20px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

label {
    font-size: 12px;
    color: var(--color-darkFontSecondary);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

input[type="range"] {
    width: 100%;
    height: 4px;
    border-radius: 2px;
    background: var(--color-border);
    outline: none;
    -webkit-appearance: none;
}

input[type="range"]::-webkit-slider-thumb {
    appearance: none;
    -webkit-appearance: none;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--color-viz-primary);
    cursor: pointer;
    box-shadow: 0 0 8px rgba(197, 197, 197, 0.6);
}

input[type="range"]::-moz-range-thumb {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--color-viz-primary);
    cursor: pointer;
    border: none;
    box-shadow: 0 0 8px rgba(197, 197, 197, 0.6);
}

select, input[type="text"] {
    padding: 8px;
    background: var(--color-darkFontPrimary);
    border: 1px solid var(--color-viz-primary-dark);
    color: var(--color-viz-primary);
    border-radius: 3px;
    font-size: 12px;
    outline: none;
}

select:focus, input[type="text"]:focus {
    box-shadow: 0 0 8px rgba(197, 197, 197, 0.6);
}

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

button {
    width: 100%;
    padding: 10px;
    background: var(--color-viz-primary-dark);
    color: #FFF;
    border: none;
    border-radius: 3px;
    font-weight: bold;
    cursor: pointer;
    font-size: 12px;
    text-transform: uppercase;
    transition: all 0.3s ease;
    box-shadow: 0 0 8px var(--color-viz-panel-accent);
}

button:hover {
    box-shadow: 0 0 16px var(--color-viz-panel-accent);
    transform: translateY(-1px);
}

button:active {
    transform: translateY(1px);
}

#mag-display {
    color: var(--color-darkFontPrimary);
    font-weight: bold;
}

#status-message {
    margin-top: 8px;
    font-size: 11px;
    min-height: 20px;
    color: var(--color-darkFontSecondary);
}

#status-message.loading {
    color: var(--color-viz-primary);
    animation: pulse 1s infinite;
}

#status-message.error {
    color: var(--color-error);
}

#status-message.success {
    color: var(--color-success);
}

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

.stats-panel {
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--color-border);
    font-size: 12px;
}

.stats-panel p {
    margin-bottom: 8px;
    display: flex;
    justify-content: space-between;
}

.stats-panel span {
    color: var(--color-cardBackground);
    font-weight: bold;
}

#quake-info {
    font-size: 12px;
    line-height: 1.6;
    color: var(--color-darkFontSecondary);
}

#quake-info.active {
    background: var(--color-viz-panel-accent);
    padding: 12px;
    border-radius: 3px;
    border-left: 3px solid var(--color-viz-primary);
    color: var(--color-darkFontPrimary);
}

/* Modal styling */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.modal.hidden {
    display: none;
}

.modal-content {
    background: var(--color-viz-panel-dark);
    border: 2px solid var(--color-viz-primary);
    border-radius: 8px;
    padding: 30px;
    min-width: 300px;
    box-shadow: 0 8px 32px rgba(197, 197, 197, 0.3);
}

.modal-content h3 {
    color: var(--color-cardBackground);
    margin-bottom: 20px;
    text-align: center;
}

#date-picker-input {
    width: 100%;
    padding: 10px;
    background: var(--color-cardBackground);
    border: 1px solid var(--color-viz-primary);
    color: var(--color-viz-primary);
    border-radius: 3px;
    font-size: 14px;
    margin-bottom: 20px;
}

#date-picker-input:focus {
    outline: none;
    box-shadow: 0 0 12px rgba(197, 197, 197, 0.6);
}

.modal-buttons {
    display: flex;
    gap: 10px;
    justify-content: center;
}

.modal-btn {
    padding: 10px 20px;
    border: none;
    border-radius: 3px;
    font-weight: bold;
    cursor: pointer;
    font-size: 12px;
    text-transform: uppercase;
    transition: all 0.3s ease;
    flex: 1;
}

.modal-btn.confirm {
    background: var(--color-viz-primary-dark);
    color: #000;
}

.modal-btn.confirm:hover {
    box-shadow: 0 0 16px rgba(197, 197, 197, 0.6);
}

.modal-btn.cancel {
    background: var(--color-viz-primary-dark);
    color: var(--color-viz-panel-dark);
}

.modal-btn.cancel:hover {
    background: #444;
    color: var(--color-darkFontPrimary);
}

/* Responsive for smaller screens */
@media (max-width: 1600px) {
    #container {
        grid-template-columns: 1fr 260px;
    }
    
    #info-panel {
        display: none;
    }
}

@media (max-width: 1200px) {
    #container {
        grid-template-columns: 1fr 220px;
    }
    
    #controls-panel {
        padding: 15px;
    }
    
    h2, h3 {
        font-size: 14px;
    }
}

/* Scrollbar styling */
#controls-panel::-webkit-scrollbar,
#info-panel::-webkit-scrollbar {
    width: 6px;
}

#controls-panel::-webkit-scrollbar-track,
#info-panel::-webkit-scrollbar-track {
    background: var(--color-viz-scrollbar-track);
}

#controls-panel::-webkit-scrollbar-thumb,
#info-panel::-webkit-scrollbar-thumb {
    background: var(--color-viz-primary);
    border-radius: 3px;
}

#controls-panel::-webkit-scrollbar-thumb:hover,
#info-panel::-webkit-scrollbar-thumb:hover {
    background: var(--color-viz-scrollbar-hover);
}

/* ============================================
   Heatmap Control Styles
   ============================================ */

#viz-mode,
#heatmap-block-size,
#historic-csv-upload {
    width: 100%;
    margin-top: 5px;
    margin-bottom: 10px;
}

#historic-status,
#status-message {
    margin-top: 8px;
    font-size: 11px;
    min-height: 20px;
    padding: 8px;
    border-radius: 3px;
}

#historic-status.status-loading,
#status-message.status-loading {
    background: rgba(0, 102, 204, 0.1);
    color: var(--color-viz-primary);
    animation: pulse 1s infinite;
}

#historic-status.status-error,
#status-message.status-error {
    background: rgba(220, 53, 69, 0.1);
    color: #dc3545;
}

#historic-status.status-success,
#status-message.status-success {
    background: rgba(43, 138, 62, 0.1);
    color: var(--color-success);
}

#historic-status.status-info,
#status-message.status-info {
    background: rgba(0, 102, 204, 0.1);
    color: var(--color-viz-primary);
}

#block-size-display,
#mag-display,
#scale-display,
#depth-display,
#speed-display {
    display: inline-block;
    margin-left: 10px;
    color: var(--color-cardBackground);
    font-weight: bold;
}

#load-historic-btn {
    width: 100%;
    margin-top: 10px;
}

input[type="file"] {
    padding: 8px;
    border: 1px solid var(--color-viz-primary);
    border-radius: 3px;
    color: var(--color-darkFontSecondary);
    font-size: 11px;
    cursor: pointer;
}