body {
    margin: 0;
    padding: 0;
}

#map {
    width: 100vw;
    height: 100vh;
}

.map-intro-fade {
    position: fixed;
    inset: 0;
    z-index: 1;

    background: #ffffff;
    opacity: 1;
    pointer-events: none;

    transition: opacity 1.15s ease;
}

.map-intro-fade.fade-out {
    opacity: 0;
}

.map-intro-fade.hidden {
    display: none;
}

/* =========================
   DATA MISSING OVERLAY
========================= */

.data-missing-overlay {
    position: fixed;
    inset: 0;
    z-index: 9999;

    display: flex;
    align-items: center;
    justify-content: center;

    background: rgba(16, 24, 39, 0.72);
    backdrop-filter: blur(3px);

    font-family: Helvetica, Arial, sans-serif;
}

.data-missing-overlay.hidden {
    display: none;
}

.data-missing-card {
    width: min(460px, calc(100vw - 40px));
    padding: 28px 30px;

    border-radius: 18px;
    background: white;
    border: 1px solid #d8d8d8;
    box-shadow: 0 18px 60px rgba(0, 0, 0, 0.28);

    text-align: center;
}

.data-missing-card h1 {
    margin: 0 0 12px;

    font-size: 22px;
    color: #1f3b73;
}

.data-missing-card p {
    margin: 8px 0;

    font-size: 14px;
    line-height: 1.45;
    color: #444;
}

.data-missing-card code {
    display: inline-block;

    margin-top: 12px;
    padding: 10px 14px;

    border-radius: 8px;
    background: #f4f6f8;
    border: 1px solid #d8d8d8;

    font-size: 14px;
    font-weight: 700;
    color: #c0392b;
}

/* =========================
   FEATURE PANEL
========================= */

.feature-panel {
    position: absolute;
    top: 62px;
    left: 15px;
    z-index: 6;

    width: 250px;
    max-height: calc(100vh - 90px);
    overflow-y: auto;

    padding: 16px;
    border-radius: 12px;

    background: rgba(255,255,255,0.96);

    box-shadow: 0 4px 20px rgba(0,0,0,0.12);

    border: 1px solid #d8d8d8;

    font-family: Helvetica, Arial, sans-serif;
}

.feature-panel h2 {
    margin: 0 0 10px 0;

    font-size: 14px;
    font-weight: 700;

    text-transform: uppercase;
    letter-spacing: 0.08em;

    color: #1f3b73;
}

.feature-panel-hint {
    margin: 0 0 14px 0;

    font-size: 11px;
    line-height: 1.45;

    color: #888;
}

.feature-options {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.feature-option {
    display: flex;
    align-items: center;
    gap: 10px;

    min-height: 32px;

    font-size: 14px;
    color: #333;

    cursor: pointer;

    transition: opacity 0.2s;
}

.feature-option input {
    width: 16px;
    height: 16px;
    margin: 0;

    accent-color: #1f3b73;
}

.feature-option.no-distort-hint {
    opacity: 0.45;
}

.role-tag {
    margin-left: auto;

    padding: 2px 6px;

    border-radius: 999px;

    font-size: 9px;
    font-weight: 700;

    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.role-tag[data-role="color"] {
    background: #e8f0fb;
    border: 1px solid #b3c9f0;
    color: #1f3b73;
}

.role-tag[data-role="distort"] {
    background: #fff3e0;
    border: 1px solid #f5c97a;
    color: #b35c00;
}

.disaster-type-filter {
    margin-top: 16px;
    padding-top: 14px;
    border-top: 1px solid #eeeeee;
}

.disaster-type-toggle {
    width: 100%;
    min-height: 36px;

    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;

    padding: 8px 10px;

    border: none;
    border-radius: 8px;
    background: #1f3b73;
    color: white;

    cursor: pointer;

    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;

    transition: background 0.2s;
}

.disaster-type-toggle:hover {
    background: #2c5aa0;
}

.disaster-type-toggle.open {
    background: #2c5aa0;
}

.disaster-type-toggle strong {
    max-width: 96px;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;

    padding: 2px 6px;
    border-radius: 999px;

    background: rgba(255, 255, 255, 0.18);

    font-size: 9px;
    font-weight: 800;
}

.disaster-type-checkbox-panel {
    margin-top: 10px;
    padding: 10px;

    border-radius: 10px;
    border: 1px solid #d8d8d8;
    background: white;

    max-height: 390px;
    overflow: hidden;
    opacity: 1;
    transform: translateY(0);

    transition:
        max-height 0.24s ease,
        opacity 0.18s ease,
        transform 0.24s ease,
        padding 0.24s ease,
        margin-top 0.24s ease,
        border-width 0.24s ease;
}

.disaster-type-checkbox-panel.hidden {
    display: block;
    max-height: 0;
    opacity: 0;
    transform: translateY(-8px);
    pointer-events: none;

    margin-top: 0;
    padding-top: 0;
    padding-bottom: 0;
    border-width: 0;
}

.disaster-type-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;

    margin-bottom: 10px;
}

.disaster-type-actions button {
    padding: 6px 8px;

    border: 1px solid #b3c9f0;
    border-radius: 8px;
    background: #e8f0fb;
    color: #1f3b73;

    font-size: 11px;
    font-weight: 700;

    cursor: pointer;
}

.disaster-type-actions button:hover {
    background: #d9e4f7;
}

.disaster-type-checkbox-list {
    display: flex;
    flex-direction: column;
    gap: 7px;

    max-height: 300px;
    overflow-y: auto;
}

.disaster-type-checkbox-option {
    display: flex;
    align-items: center;
    gap: 8px;

    font-size: 12px;
    color: #333;

    cursor: pointer;
}

.disaster-type-checkbox-option input {
    width: 14px;
    height: 14px;
    margin: 0;

    accent-color: #1f3b73;
}

.feature-option.disabled-by-filter {
    opacity: 0.35;
    cursor: not-allowed;
}

.feature-option.disabled-by-filter input {
    cursor: not-allowed;
}

/* =========================
   CONTROLS
========================= */

#controls {
    position: absolute;
    top: 15px;
    left: 15px;

    z-index: 2;

    display: flex;
    gap: 8px;
}

#controls button {
    padding: 8px 14px;

    border: none;
    border-radius: 999px;

    background: #1f3b73;
    color: white;

    font-size: 12px;

    cursor: pointer;

    transition: background 0.2s;
}

#controls button:hover {
    background: #2c5aa0;
}

/* Icon buttons in controls */
#btn-home,
#btn-about {
    width: 32px;
    height: 32px;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
}

/* About overlay */
.about-overlay {
    position: fixed;
    inset: 0;
    z-index: 9999;
    background: rgba(10, 20, 40, 0.55);
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(2px);
}

.about-overlay.hidden {
    display: none;
}

.about-modal {
    position: relative;
    width: min(560px, calc(100vw - 40px));
    max-height: calc(100vh - 60px);
    overflow-y: auto;

    padding: 28px 32px;
    border-radius: 18px;

    background: white;
    border: 1px solid #d8d8d8;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.25);

    font-family: Helvetica, Arial, sans-serif;
}

.about-modal h2 {
    margin: 0 0 4px;
    font-size: 20px;
    font-weight: 700;
    color: #1f3b73;
}

.about-source {
    margin: 0 0 20px;
    font-size: 12px;
    color: #aaa;
}

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

.about-section h3 {
    margin: 0 0 6px;
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.07em;
    color: #888;
}

.about-section p,
.about-section ul {
    margin: 0 0 6px;
    font-size: 13px;
    line-height: 1.55;
    color: #444;
}

.about-section ul {
    padding-left: 18px;
}

.about-section li {
    margin-bottom: 4px;
}

.about-tag {
    display: inline-block;
    padding: 1px 6px;
    border-radius: 999px;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    vertical-align: middle;
}

.about-tag.color {
    background: #e8f0fb;
    border: 1px solid #b3c9f0;
    color: #1f3b73;
}

.about-tag.shape {
    background: #fff3e0;
    border: 1px solid #f5c97a;
    color: #b35c00;
}

.about-close {
    position: absolute;
    top: 14px;
    right: 14px;

    width: 26px;
    height: 26px;

    display: flex;
    align-items: center;
    justify-content: center;

    border: none;
    border-radius: 999px;
    background: #1f3b73;
    color: white;

    font-size: 13px;
    font-weight: 700;
    cursor: pointer;

    transition: background 0.2s;
}

.about-close:hover {
    background: #2c5aa0;
}

/* =========================
   LEGEND
========================= */

.heatmap-legend {
    position: absolute;

    left: 15px;
    bottom: 30px;

    z-index: 2;

    min-width: 180px;
    max-width: 250px;
    max-height: 42vh;

    overflow-y: auto;

    padding: 14px 16px;

    border-radius: 12px;

    background: rgba(255,255,255,0.96);

    box-shadow: 0 4px 20px rgba(0,0,0,0.12);

    border: 1px solid #d8d8d8;

    font-family: Helvetica, Arial, sans-serif;
}

.heatmap-legend h2 {
    margin: 0 0 10px 0;

    font-size: 12px;
    font-weight: 700;

    letter-spacing: 0.08em;
    text-transform: uppercase;

    color: #1f3b73;
}

#legend-distort-note {
    margin-bottom: 10px;

    padding: 6px 8px;

    border-radius: 6px;

    background: #fff8ee;
    border: 1px solid #f5c97a;

    font-size: 11px;
    line-height: 1.35;

    color: #b35c00;
}

#legend-distort-note:empty {
    display: none;
}

#heatmap-legend-items {
    display: flex;
    flex-direction: column;
    gap: 7px;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 8px;

    font-size: 12px;
    color: #333;
}

.legend-swatch {
    width: 18px;
    height: 12px;

    border: 1px solid #b8b8b8;

    flex-shrink: 0;
}

/* =========================
   GLOBAL OVERVIEW PANEL
========================= */

.global-panel {
    position: absolute;
    top: 50%;
    right: 18px;
    transform: translateY(-50%);
    z-index: 4;

    width: 320px;
    max-height: calc(100vh - 36px);
    overflow-y: auto;

    padding: 12px;
    border-radius: 22px;

    background: rgba(255, 255, 255, 0.96);
    border: 1px solid #d8d8d8;
    box-shadow: 0 8px 28px rgba(0, 0, 0, 0.14);

    font-family: Helvetica, Arial, sans-serif;
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1), 
                opacity 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.global-panel.hidden {
    display: none;
}

.global-panel.collapsed {
    transform: translate(120%, -50%);
    opacity: 0;
    pointer-events: none;
}

.global-panel-toggle,
.global-panel-open-button {
    border: none;
    border-radius: 999px;

    display: flex;
    align-items: center;
    justify-content: center;

    padding: 0;

    background: #1f3b73;
    color: white;

    font-weight: 700;
    cursor: pointer;

    transition: background 0.2s, opacity 0.35s ease, transform 0.35s ease;
    opacity: 1;
}

.global-panel-open-button.hidden {
    opacity: 0;
    pointer-events: none;
    display: flex !important; 
}

.global-panel-toggle:hover,
.global-panel-open-button:hover {
    background: #2c5aa0;
}

.global-panel-toggle {
    width: 26px;
    height: 26px;

    font-size: 22px;
    line-height: 1;
}

.global-panel-open-button {
    position: absolute;
    top: 50%;
    right: 12px;
    transform: translateY(-50%);
    z-index: 4;

    width: 32px;
    height: 44px;

    font-size: 26px;
    line-height: 1;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.18);
}

.global-panel-toggle span,
.global-panel-open-button span {
    position: relative;
    display: block;

    width: 10px;
    height: 10px;

    font-size: 0;
}

.global-panel-toggle span::before,
.global-panel-open-button span::before {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;

    width: 8px;
    height: 8px;

    border-top: 4px solid white;
    border-right: 4px solid white;
}

.global-panel-toggle span::before {
    transform: translate(-65%, -50%) rotate(45deg);
}

.global-panel-open-button span::before {
    transform: translate(-35%, -50%) rotate(225deg);
}

.global-panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;

    padding: 4px 8px 8px;
}

.global-panel-header h2 {
    margin: 0;

    font-size: 14px;
    font-weight: 700;

    text-transform: uppercase;
    letter-spacing: 0.08em;

    color: #1f3b73;
}


.global-panel-body {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.global-mini-card,
.global-overview-card {
    padding: 12px;

    border-radius: 14px;
    background: white;
    border: 1px solid #ececec;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
}

.global-section-title {
    margin-bottom: 8px;

    font-size: 10px;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: #888;
}

.global-deadliest-list {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.global-deadliest-row {
    display: grid;
    grid-template-columns: 18px 1fr auto;
    gap: 5px;
    align-items: baseline;

    font-size: 11px;
    color: #444;
}

.global-deadliest-rank {
    font-weight: 800;
    color: #1f3b73;
}

.global-deadliest-name {
    min-width: 0;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
}

.global-deadliest-year {
    color: #aaa;
}

.global-deadliest-deaths {
    font-weight: 800;
    color: #1f3b73;
}


.global-impact-plot {
    height: 120px;
}

.global-impact-bars {
    height: 100%;

    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 8px;
    align-items: end;
}

.global-impact-bar-item {
    min-width: 0;
    height: 100%;

    display: grid;
    grid-template-rows: 16px 1fr 22px;
    align-items: end;
    gap: 4px;
}

.global-impact-bar-value {
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;

    text-align: center;
    font-size: 10px;
    font-weight: 800;
    color: #1f3b73;
}

.global-impact-bar-track {
    height: 78px;

    display: flex;
    align-items: flex-end;
    justify-content: center;

    border-radius: 8px;
    background: #f3f5f8;
    overflow: hidden;
}

.global-impact-bar-fill {
    width: 100%;
    min-height: 4px;

    border-radius: 8px 8px 0 0;
}

.global-impact-bar-label {
    overflow: hidden;
    display: -webkit-box;
    line-clamp: 2;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;

    text-align: center;
    font-size: 9px;
    line-height: 1.1;
    color: #555;
}

.global-impact-empty {
    font-size: 11px;
    color: #aaa;
}

.global-stat-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;

    margin-bottom: 14px;
}

.global-stat-box {
    padding: 9px 6px;

    border-radius: 10px;
    border: 1px solid #b3c9f0;
    background: #e8f0fb;

    text-align: center;
}

.global-stat-box strong {
    display: block;

    font-size: 18px;
    color: #1f3b73;
}

.global-stat-box span {
    display: block;

    margin-top: 3px;
    font-size: 10px;
    color: #aaa;
}

.global-list-bars {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.global-type-row {
    display: grid;
    grid-template-columns: 70px 1fr 32px;
    gap: 6px;
    align-items: center;

    font-size: 11px;
    color: #555;
}

.global-type-track {
    height: 11px;
    border-radius: 999px;
    background: #f0f0f0;
    overflow: hidden;
}

.global-type-fill {
    height: 100%;
    border-radius: 999px;
}

.global-type-percent {
    text-align: right;
    font-weight: 700;
    color: #333;
}
.global-type-row:nth-child(1) .global-type-percent { color: #1f3b73; }
.global-type-row:nth-child(2) .global-type-percent { color: #2c5aa0; }
.global-type-row:nth-child(3) .global-type-percent { color: #5d7fbf; }
.global-type-row:nth-child(4) .global-type-percent { color: #8faadc; }

.global-divider {
    height: 1px;
    margin: 12px 0;
    background: #eeeeee;
}

.global-region-list,
.global-key-facts {
    display: flex;
    flex-direction: column;
    gap: 7px;
}

.global-region-row,
.global-key-facts div {
    display: flex;
    justify-content: space-between;
    align-items: center;

    font-size: 11px;
    color: #555;
}

.global-region-row strong,
.global-key-facts strong {
    color: #333;
}

.global-region-row:nth-child(1) strong { color: #1f3b73; }
.global-region-row:nth-child(2) strong { color: #2c5aa0; }
.global-region-row:nth-child(3) strong { color: #5d7fbf; }
.global-region-row:nth-child(4) strong { color: #8faadc; }


/* =========================
   COUNTRY PANEL
========================= */

.panel {
    position: absolute;

    width: 320px;
    max-height: calc(100vh - 36px);
    overflow-y: auto;

    padding: 12px;
    border-radius: 22px;

    background: rgba(255, 255, 255, 0.96);
    border: 1px solid #d8d8d8;
    box-shadow: 0 8px 28px rgba(0, 0, 0, 0.14);

    z-index: 6;

    font-family: Helvetica, Arial, sans-serif;

    display: flex;
    flex-direction: column;

    opacity: 1;
    transition: opacity 0.22s ease, transform 0.22s ease;
}

.panel-header {
    display: grid;
    grid-template-columns: 32px 1fr 26px;
    align-items: center;
    gap: 10px;

    padding: 4px 8px 8px;
}

.panel-header h2 {
    margin: 0;

    text-align: left;

    font-size: 14px;
    font-weight: 700;

    text-transform: uppercase;
    letter-spacing: 0.08em;

    color: #1f3b73;
}

.panel-header img {
    width: 32px;
    border-radius: 6px;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.12);
}

.panel-body {
    padding-top: 0;

    overflow-y: auto;
    flex: 1;
}

.close-btn {
    width: 26px;
    height: 26px;

    display: flex;
    align-items: center;
    justify-content: center;

    padding: 0;

    border: none;
    border-radius: 999px;
    background: #1f3b73;
    color: white;

    cursor: pointer;

    font-size: 13px;
    font-weight: 700;

    transition: background 0.2s;
}

.close-btn:hover {
    background: #2c5aa0;
}

.hidden {
    display: none;
}

.panel.hidden {
    display: flex;
    visibility: hidden;
    opacity: 0;
    pointer-events: none;
    transform: translateY(calc(-50% + 28px));
}

/* =========================
   DISASTER CARD
========================= */

#worst-by-country-container {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.country-panel-subtitle {
    margin: -2px 8px 2px;

    font-size: 11px;
    color: #888;
}

.country-overview-card,
.country-chart-card {
    padding: 12px;

    border-radius: 14px;
    background: white;
    border: 1px solid #ececec;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
}

.country-section-title {
    margin-bottom: 8px;

    font-size: 10px;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: #888;
}

.country-metric-row {
    display: flex;
    justify-content: space-between;
    align-items: center;

    padding: 7px 0;
    border-bottom: 1px solid #eeeeee;

    font-size: 11px;
    color: #555;
}

.country-metric-row:last-child {
    border-bottom: none;
}

.country-metric-row strong {
    color: #1f3b73;
    font-weight: 800;
}

.country-event-card {
    padding: 12px;

    border-radius: 10px;
    border: 1px solid #b3c9f0;
    background: #e8f0fb;
}

.country-event-title {
    font-size: 13px;
    font-weight: 800;
    color: #1f3b73;
}

.country-event-detail {
    display: flex;
    flex-direction: column;
    gap: 2px;

    margin-top: 4px;

    font-size: 11px;
    color: #555;
}

.country-timeline-svg {
    width: 100%;
    height: 96px;

    border-radius: 10px;
    background: #fafafa;
    border: 1px solid #eeeeee;
}

.country-chart-axis {
    stroke: #dddddd;
    stroke-width: 1;
}

.country-timeline-line {
    fill: none;
    stroke: #1f3b73;
    stroke-width: 3;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.country-chart-labels {
    display: flex;
    justify-content: space-between;

    margin-top: 4px;

    font-size: 10px;
    color: #aaa;
}

.country-type-row {
    display: grid;
    grid-template-columns: 76px 1fr 32px;
    gap: 6px;
    align-items: center;

    margin-bottom: 7px;

    font-size: 11px;
    color: #555;
}

.country-type-track {
    height: 12px;
    border-radius: 999px;
    background: #f0f0f0;
    overflow: hidden;
}

.country-type-fill {
    height: 100%;
    border-radius: 999px;
}

.country-type-row strong {
    text-align: right;
    color: #1f3b73;
}

.country-empty-chart {
    font-size: 11px;
    color: #aaa;
}


/* =========================
   TIMELINE
========================= */

#timeline-container {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    bottom: 0;
    width: clamp(320px, 50vw, 700px);
    min-width: 280px;
    z-index: 5;
    padding: 8px 14px 10px;
    border-radius: 12px 12px 0 0; 
    background: rgba(255,255,255,0.96);
    border: 1px solid #d8d8d8;
    border-bottom: none; 
    box-shadow: 0 4px 20px rgba(0,0,0,0.12);
    font-family: Helvetica, Arial, sans-serif;
    box-sizing: border-box;
}

.timeline-labels {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 6px;
    font-size: 12px;
    color: #444;
    gap: 8px;
}

#timeline-min-label,
#timeline-max-label {
    flex-shrink: 0;
    font-size: 11px;
    color: #aaa;
}

#timeline-range-label {
    font-weight: 700;
    color: #1f3b73;
    cursor: pointer;
    padding: 3px 9px;
    border-radius: 999px;
    border: 1.5px dashed #1f3b73;
    transition: background 0.15s, color 0.15s;
    white-space: nowrap;
    flex-shrink: 0;
    margin-left: auto;
}

#timeline-range-label:hover {
    background: #1f3b73;
    color: white;
}

.timeline-histogram {
    width: 100%;
    height: 34px;
    display: flex;
    align-items: flex-end;
    gap: 0;
    padding: 0;
    margin-bottom: 0;
    border-bottom: 2px solid #222;
    overflow: hidden;
    box-sizing: border-box;
}

.timeline-histogram-bar {
    flex: 1 1 0;
    min-width: 0;
    border-radius: 2px 2px 0 0;
    background: #d9d9d9;
    opacity: 0.8;
}

.timeline-histogram-bar.in-range {
    background: #1f3b73;
    opacity: 0.95;
}

.timeline-sliders {
    position: relative;
    height: 34px;
    margin-top: -34px;
}

.timeline-sliders input[type="range"] {
    position: absolute;
    width: 100%;
    height: 34px;
    left: 0;
    top: 0;
    pointer-events: none;
    appearance: none;
    background: transparent;
}

.timeline-sliders input[type="range"]::-webkit-slider-thumb {
    pointer-events: auto;
    appearance: none;
    width: 7px;
    height: 34px;
    border-radius: 999px;
    background: #1f3b73;
    cursor: ew-resize;
    border: none;
    box-shadow: none;
}

.timeline-sliders input[type="range"]::-webkit-slider-runnable-track {
    height: 34px;
    background: transparent;
    border: none;
}

/* Play button */
.timeline-play-btn {
    margin-left: 6px;
    margin-right: auto;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    border: none;
    background: #1f3b73;
    color: white;
    font-size: 13px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 8px rgba(0,0,0,0.18);
    transition: background 0.15s;
    flex-shrink: 0;
}

.timeline-play-btn:hover {
    background: #2c5aa0;
}

.timeline-play-btn.playing {
    background: #e3bb80;
    color: #1f3b73;
}


/* Continent panel */
#continent-panel {
    position: fixed;
    top: 0;
    right: 0;
    width: 42vw;
    height: calc(100vh - 100px);
    z-index: 10;
 
    background: rgba(255, 255, 255, 0.97);
    box-shadow: -4px 0 32px rgba(0, 0, 0, 0.14);
    border-left: 1px solid #e0e0e0;

    border-radius: 22px 0 0 22px;
    margin-top: 10px;
 
    display: flex;
    flex-direction: column;
 
    transform: translateX(100%);
    transition: transform 0.32s cubic-bezier(0.4, 0, 0.2, 1);
 
    font-family: Helvetica, Arial, sans-serif;
    overflow: hidden;
}
 
#continent-panel.open {
    transform: translateX(0);
}
 
.cp-header {
    display: flex;
    align-items: center;
    gap: 16px;
 
    padding: 18px 24px 14px;
    border-bottom: 1px solid #efefef;
 
    flex-shrink: 0;
}
 
.cp-back {
    padding: 6px 14px;
    border: 1px solid #d0d0d0;
    border-radius: 999px;
 
    background: white;
    color: #1f3b73;
 
    font-size: 12px;
    font-weight: 600;
 
    cursor: pointer;
    transition: background 0.15s, border-color 0.15s;
    white-space: nowrap;
}
 
.cp-back:hover {
    background: #f0f4ff;
    border-color: #1f3b73;
}
 
.cp-title {
    margin: 0;
    font-size: 16px;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: #1f3b73;
}
 
.cp-body {
    flex: 1;
    overflow: hidden;
    position: relative;
}
 
#cp-svg {
    display: block;
    width: 100%;
    height: 100%;
}

@keyframes tipFadeIn {
    from { opacity: 0; transform: translateX(-50%) translateY(10px); }
    to   { opacity: 1; transform: translateX(-50%) translateY(0); }
}

#dual-feature-tip p { margin: 6px 0; font-size: 13px; color: #444; }
#dual-feature-tip strong { color: #1f3b73; font-size: 14px; }
#dual-feature-tip button {
    margin-top: 10px; padding: 6px 16px;
    background: #1f3b73; color: white;
    border: none; border-radius: 999px;
    font-size: 12px; cursor: pointer;
}