:root {
    --color-lilac: #bfcaff;
    --color-neon-green: #0f0;
    --color-bg: #0d1117;
    --color-bg-elevated: #161b22;
    --color-border: #30363d;
    --color-text: #d0d0d0;
    --color-text-muted: #8b949e;
    --font-mono: 'Roboto Mono', 'Consolas', 'Monaco', monospace;
    --font-serif: 'Crimson Pro', serif;
}

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

body {
    display: flex;
    flex-direction: column;
    height: 100vh;
    overflow: hidden;
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--color-text);
    background: var(--color-bg);
}

/* Top bar */
#top-bar {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 10px 16px;
    background: rgba(13, 17, 23, 0.85);
    border-bottom: 1px solid var(--color-border);
    z-index: 10;
}

.nav-link {
    color: var(--color-text-muted);
    display: flex;
    align-items: center;
    transition: color 0.15s ease;
}

.nav-link:hover {
    color: #fff;
}

.top-bar-title {
    color: var(--color-text-muted);
    font-size: 11px;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.top-bar-spacer {
    flex: 1;
}

.top-bar-group {
    display: flex;
    align-items: center;
    gap: 6px;
}

.top-bar-label {
    font-size: 10px;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-right: 2px;
}

/* Main area: minimap left + scene right */
#main-area {
    flex: 1;
    display: flex;
    min-height: 0;
}

#minimap-panel {
    width: 320px;
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    border-right: 1px solid var(--color-border);
    background: var(--color-bg);
    overflow-y: auto;
}

.minimap-header {
    font-size: 10px;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    padding: 8px 12px;
    border-bottom: 1px solid var(--color-border);
}

#minimap-canvas {
    display: block;
    width: 100%;
    height: 240px;
    flex-shrink: 0;
}

/* Canvas */
#scene-canvas {
    flex: 1;
    display: block;
    min-height: 0;
    min-width: 0;
}

/* Controls overlay */
#controls-overlay {
    position: fixed;
    top: 52px;
    right: 12px;
    z-index: 20;
    display: flex;
    flex-direction: column;
    gap: 8px;
    background: rgba(22, 27, 34, 0.92);
    border: 1px solid var(--color-border);
    border-radius: 6px;
    padding: 10px 12px;
    min-width: 160px;
}

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

.control-group > label {
    font-size: 10px;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.control-value {
    font-size: 11px;
    color: var(--color-lilac);
    min-width: 28px;
    text-align: right;
}

.control-group input[type="range"] {
    width: 100%;
    accent-color: var(--color-lilac);
}

.toggle-row {
    display: flex;
    gap: 4px;
    flex-wrap: wrap;
}

.toggle-btn {
    font-family: var(--font-mono);
    font-size: 10px;
    padding: 3px 8px;
    border: 1px solid var(--color-border);
    border-radius: 3px;
    background: transparent;
    color: var(--color-text-muted);
    cursor: pointer;
    transition: all 0.12s ease;
}

.toggle-btn.active {
    background: rgba(191, 202, 255, 0.12);
    color: var(--color-lilac);
    border-color: var(--color-lilac);
}

.layer-check {
    font-size: 10px;
    color: var(--color-text-muted);
    display: flex;
    align-items: center;
    gap: 3px;
    cursor: pointer;
}

.layer-check input[type="checkbox"] {
    accent-color: var(--color-lilac);
}

/* Data sidebar — right side */
#data-sidebar {
    width: 350px;
    min-width: 350px;
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    border-left: 1px solid var(--color-border);
    background: rgba(13, 17, 23, 0.92);
    overflow-y: auto;
}

.data-sidebar-header {
    font-size: 10px;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    padding: 8px 12px;
    border-bottom: 1px solid var(--color-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
}

.info-btn {
    background: none;
    border: none;
    color: var(--color-text-muted);
    cursor: pointer;
    padding: 2px;
    display: flex;
    align-items: center;
    transition: color 0.15s ease;
}

.info-btn:hover {
    color: var(--color-lilac);
}

.info-popover {
    position: absolute;
    top: 100%;
    left: 0;
    width: 300px;
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border);
    border-radius: 6px;
    padding: 12px 14px;
    z-index: 50;
    font-size: 11px;
    line-height: 1.5;
    color: var(--color-text);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.4);
}

.info-popover.hidden {
    display: none;
}

.info-popover-title {
    font-size: 11px;
    font-weight: 500;
    color: var(--color-lilac);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: 8px;
}

.info-popover-section {
    margin-bottom: 6px;
}

.info-popover-section strong {
    color: var(--color-text);
}

.info-popover-divider {
    border-top: 1px solid var(--color-border);
    margin: 8px 0;
}

.info-popover-legend {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 10px;
    color: var(--color-text-muted);
    padding: 2px 0;
}

.info-popover-legend .data-value {
    font-size: 10px;
    min-width: 44px;
}

.scenario-row {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 12px;
    border-bottom: 1px solid var(--color-border);
    position: relative;
}

.scenario-label-text {
    font-size: 10px;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-right: 2px;
}

#scenario-toggle {
    display: flex;
    gap: 2px;
    flex: 1;
}

.scenario-btn {
    font-family: var(--font-mono);
    font-size: 9px;
    padding: 2px 6px;
    border: 1px solid var(--color-border);
    border-radius: 2px;
    background: transparent;
    color: var(--color-text-muted);
    cursor: pointer;
    transition: all 0.12s ease;
}

.scenario-btn.active {
    border-color: var(--color-lilac);
    color: var(--color-lilac);
    background: rgba(191, 202, 255, 0.08);
}

.scenario-btn[data-scenario="cooperative"].active {
    border-color: #44ddaa;
    color: #44ddaa;
    background: rgba(68, 221, 170, 0.08);
}

.scenario-btn[data-scenario="decline"].active {
    border-color: #ee6644;
    color: #ee6644;
    background: rgba(238, 102, 68, 0.08);
}

.data-panel {
    border-bottom: 1px solid var(--color-border);
    padding: 8px 12px;
}

/* Timeline strip */
.sidebar-timeline {
    padding: 8px 12px 10px;
}

.year-strip {
    display: flex;
    height: 20px;
    border-radius: 3px;
    overflow: hidden;
    cursor: pointer;
    margin-bottom: 3px;
}

.year-block {
    flex: 1;
    position: relative;
    transition: background 0.12s ease;
    border-right: 1px solid rgba(0, 0, 0, 0.2);
}

.year-block:last-child {
    border-right: none;
}

.year-block.historical {
    background: rgba(139, 148, 158, 0.15);
}

.year-block.projected {
    background: rgba(68, 221, 170, 0.2);
}

.year-block.active {
    background: var(--color-lilac) !important;
}

.year-block.active.projected.scenario-cooperative {
    background: rgba(68, 221, 170, 0.6) !important;
}

.year-block.active.projected.scenario-decline {
    background: rgba(238, 102, 68, 0.6) !important;
}

.year-block:hover {
    background: rgba(191, 202, 255, 0.25);
}

.year-block .year-tip {
    display: none;
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    font-size: 9px;
    color: var(--color-text);
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border);
    border-radius: 2px;
    padding: 1px 4px;
    white-space: nowrap;
    pointer-events: none;
    z-index: 10;
}

.year-block:hover .year-tip {
    display: block;
}

.year-block .year-dot {
    position: absolute;
    bottom: 2px;
    left: 50%;
    transform: translateX(-50%);
    width: 3px;
    height: 3px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
}

.year-block.decade .year-dot {
    background: rgba(255, 255, 255, 0.5);
}

.timeline-labels {
    display: flex;
    justify-content: space-between;
    margin-bottom: 8px;
}

.timeline-era {
    font-size: 9px;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.timeline-era-hist {
    color: var(--color-text-muted);
}

.timeline-era-proj {
    color: #44ddaa;
}

.month-control {
    display: flex;
    align-items: center;
    gap: 6px;
}

.month-label-text {
    font-size: 10px;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    min-width: 36px;
}

.month-control input[type="range"] {
    flex: 1;
    accent-color: var(--color-lilac);
}

.month-control .control-value {
    font-size: 11px;
    color: var(--color-lilac);
    min-width: 28px;
    text-align: right;
}

.timeline-readout {
    font-size: 12px;
    color: var(--color-lilac);
    text-align: center;
    margin-bottom: 6px;
    font-weight: 500;
}

.timeline-readout.projected-cooperative {
    color: #44ddaa;
    font-style: italic;
}

.timeline-readout.projected-decline {
    color: #ee6644;
    font-style: italic;
}

.data-panel-title {
    font-size: 10px;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: 6px;
}

.data-panel-body {
    font-size: 11px;
    color: var(--color-text);
    line-height: 1.6;
}

.data-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1px 0;
}

.data-label {
    color: var(--color-text-muted);
    font-size: 10px;
}

.data-value {
    font-size: 11px;
    font-weight: 500;
    text-align: right;
}

.data-value.ok {
    color: #44ddaa;
}

.data-value.warn {
    color: #ffaa44;
}

.data-value.danger {
    color: #ff5544;
}

.data-unit {
    font-size: 9px;
    color: var(--color-text-muted);
    margin-left: 2px;
}

.data-bar-row {
    margin: 3px 0;
}

.data-bar {
    height: 3px;
    background: var(--color-border);
    border-radius: 1px;
    overflow: hidden;
    margin-top: 2px;
}

.data-bar-fill {
    height: 100%;
    border-radius: 1px;
    transition: width 0.4s ease;
}

.species-row {
    display: flex;
    flex-wrap: wrap;
    gap: 3px;
    margin-top: 4px;
}

.species-tag {
    font-size: 9px;
    padding: 1px 4px;
    border-radius: 2px;
    background: rgba(191, 202, 255, 0.08);
    color: var(--color-text-muted);
    border: 1px solid var(--color-border);
}

.species-tag.present {
    color: #44ddaa;
    border-color: rgba(68, 221, 170, 0.3);
    background: rgba(68, 221, 170, 0.06);
}

.scenario-label {
    font-size: 9px;
    color: var(--color-text-muted);
    font-style: italic;
    margin-top: 4px;
}

.extent-graph {
    width: 100%;
    height: 80px;
    display: block;
}

/* Bottom bar — scene panels */
#bottom-bar {
    display: flex;
    flex-shrink: 0;
    height: 300px;
    border-top: 1px solid var(--color-border);
    background: rgba(13, 17, 23, 0.85);
    z-index: 10;
}

.scene-panel {
    flex: 1;
    display: flex;
    flex-direction: column;
    padding: 0;
    cursor: pointer;
    border-right: 1px solid var(--color-border);
    transition: background 0.15s ease;
    overflow: hidden;
}

.scene-panel:last-child {
    border-right: none;
}

.scene-panel:hover {
    background: var(--color-bg-elevated);
}

.scene-panel.active {
    background: var(--color-bg-elevated);
    border-top: 2px solid var(--color-lilac);
}

/* 3D viewport inside each panel */
.scene-viewport {
    flex: 1;
    min-height: 0;
    position: relative;
}

.scene-preview {
    display: block;
    width: 100%;
    height: 100%;
}

/* Label block below viewport */
.scene-label {
    display: flex;
    flex-direction: column;
    gap: 2px;
    padding: 8px 12px;
    border-top: 1px solid var(--color-border);
}

.scene-number {
    font-size: 10px;
    color: var(--color-text-muted);
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.scene-panel.active .scene-number {
    color: var(--color-lilac);
}

.scene-name {
    font-size: 11px;
    color: var(--color-text);
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.scene-subtitle {
    font-family: var(--font-serif);
    font-style: italic;
    font-size: 12px;
    color: var(--color-text-muted);
}

/* Onboarding overlay */
#onboarding-overlay {
    position: fixed;
    inset: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(5, 8, 12, 0.92);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    opacity: 1;
    transition: opacity 0.5s ease;
}

#onboarding-overlay.fade-out {
    opacity: 0;
    pointer-events: none;
}

.onboarding-card {
    max-width: 620px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    padding: 36px 40px;
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border);
    border-radius: 10px;
    box-shadow: 0 8px 40px rgba(0, 0, 0, 0.6);
}

.onboarding-title {
    font-family: var(--font-serif);
    font-size: 28px;
    color: var(--color-text);
    margin-bottom: 4px;
    letter-spacing: 0.01em;
}

.onboarding-subtitle {
    font-family: var(--font-serif);
    font-style: italic;
    font-size: 14px;
    color: var(--color-text-muted);
    margin-bottom: 28px;
}

.onboarding-scenes {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 24px;
}

.onboarding-scene {
    display: flex;
    gap: 14px;
    align-items: flex-start;
}

.onboarding-scene-number {
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    border: 1px solid var(--color-border);
    font-size: 11px;
    color: var(--color-lilac);
    margin-top: 1px;
}

.onboarding-scene-info {
    flex: 1;
}

.onboarding-scene-name {
    font-size: 12px;
    font-weight: 500;
    color: var(--color-text);
    margin-bottom: 3px;
}

.onboarding-scene-dash {
    color: var(--color-text-muted);
}

.onboarding-scene-name em {
    font-family: var(--font-serif);
    font-weight: 400;
    color: var(--color-text-muted);
}

.onboarding-scene-desc {
    font-size: 11px;
    color: var(--color-text-muted);
    line-height: 1.6;
}

.onboarding-divider {
    border-top: 1px solid var(--color-border);
    margin: 20px 0;
}

.onboarding-controls-title {
    font-size: 10px;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: 10px;
}

.onboarding-controls {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-bottom: 28px;
}

.onboarding-control {
    font-size: 11px;
    color: var(--color-text-muted);
    line-height: 1.5;
}

.onboarding-key {
    display: inline-block;
    font-size: 10px;
    color: var(--color-lilac);
    background: rgba(191, 202, 255, 0.08);
    border: 1px solid rgba(191, 202, 255, 0.15);
    border-radius: 3px;
    padding: 1px 6px;
    margin-right: 6px;
    font-weight: 500;
}

.onboarding-enter {
    display: block;
    width: 100%;
    padding: 10px;
    font-family: var(--font-mono);
    font-size: 12px;
    letter-spacing: 0.04em;
    color: var(--color-bg);
    background: var(--color-lilac);
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: background 0.15s ease, transform 0.1s ease;
}

.onboarding-enter:hover {
    background: #d4dcff;
}

.onboarding-enter:active {
    transform: scale(0.98);
}