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

:root {
    --bg: #0a0a1a;
    --bg-panel: rgba(12, 14, 30, 0.85);
    --bg-card: rgba(20, 24, 50, 0.7);
    --accent: #00d4ff;
    --accent-dim: #0088aa;
    --danger: #ff4444;
    --danger-dim: #992222;
    --warning: #ff9f43;
    --safe: #22cc88;
    --text: #e0e4f0;
    --text-dim: #7880a0;
    --border: rgba(100, 120, 180, 0.15);
    --font: 'Space Grotesk', system-ui, sans-serif;
    --mono: 'JetBrains Mono', monospace;
    --radius: 12px;
    --radius-sm: 8px;
}

html, body {
    height: 100%;
    overflow: hidden;
    background: var(--bg);
    color: var(--text);
    font-family: var(--font);
    font-size: 14px;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--accent-dim); }

#canvas-wrap {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    z-index: 0;
}

.loader {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: var(--bg);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.6s ease, visibility 0.6s;
}

.loader.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.loader-content {
    text-align: center;
}

.spinner {
    width: 40px; height: 40px;
    margin: 0 auto 16px;
    border: 3px solid var(--border);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

.loader-content p {
    color: var(--text-dim);
    font-size: 15px;
    letter-spacing: 0.5px;
}

#topbar {
    position: fixed;
    top: 0; left: 0;
    width: 100%;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 20px;
    background: var(--bg-panel);

    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border);
    z-index: 100;
}

.logo {
    font-size: 20px;
    font-weight: 600;
    letter-spacing: -0.5px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.logo-icon {
    color: var(--accent);
    font-size: 22px;
    animation: pulse-glow 3s ease-in-out infinite;
}

@keyframes pulse-glow {
    0%, 100% { opacity: 0.7; text-shadow: 0 0 8px var(--accent); }
    50% { opacity: 1; text-shadow: 0 0 16px var(--accent), 0 0 32px rgba(0, 212, 255, 0.3); }
}

.api-key-area {
    display: flex;
    gap: 8px;
    align-items: center;
}

.api-key-area input {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 6px 12px;
    color: var(--text);
    font-family: var(--mono);
    font-size: 12px;
    width: 280px;
    outline: none;
    transition: border-color 0.2s;
}

.api-key-area input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 2px rgba(0, 212, 255, 0.1);
}

.api-key-area button {
    background: var(--accent);
    color: var(--bg);
    border: none;
    border-radius: var(--radius-sm);
    padding: 6px 16px;
    font-family: var(--font);
    font-weight: 600;
    font-size: 13px;
    cursor: pointer;
    transition: background 0.2s, transform 0.1s;
}

.api-key-area button:hover {
    background: #33ddff;
}

.api-key-area button:active {
    transform: scale(0.96);
}


/* sidebar */

#sidebar {
    position: fixed;
    top: 56px;
    left: 0;
    width: 340px;
    height: calc(100vh - 56px - 64px);
    background: var(--bg-panel);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-right: 1px solid var(--border);
    z-index: 90;
    display: flex;
    flex-direction: column;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

#sidebar.collapsed {
    transform: translateX(-300px);
}

#sidebar-toggle {
    position: absolute;
    top: 12px;
    right: -36px;
    width: 32px;
    height: 32px;
    background: var(--bg-panel);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border);
    border-left: none;
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    color: var(--text-dim);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    transition: color 0.2s;
}

#sidebar-toggle:hover {
    color: var(--accent);
}

.sidebar-inner {
    padding: 16px;
    overflow-y: auto;
    flex: 1;
}

.stats-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    margin-bottom: 16px;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 12px;
    text-align: center;
    transition: border-color 0.3s, transform 0.2s;
}

.stat-card:hover {
    transform: translateY(-2px);
    border-color: rgba(100, 120, 180, 0.3);
}

.stat-card.hazardous {
    border-color: var(--danger-dim);
    background: rgba(255, 68, 68, 0.08);
}

.stat-num {
    display: block;
    font-size: 22px;
    font-weight: 700;
    color: var(--accent);
    font-family: var(--mono);
}

.stat-card.hazardous .stat-num {
    color: var(--danger);
}

.stat-label {
    display: block;
    font-size: 11px;
    color: var(--text-dim);
    margin-top: 4px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.filter-bar {
    display: flex;
    gap: 10px;
    align-items: center;
    margin-bottom: 12px;
}

.filter-bar select {
    flex: 1;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 6px 10px;
    color: var(--text);
    font-family: var(--font);
    font-size: 12px;
    outline: none;
    cursor: pointer;
    appearance: auto;
}

.hazard-toggle {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 11px;
    color: var(--text-dim);
    cursor: pointer;
    white-space: nowrap;
}

.hazard-toggle input {
    accent-color: var(--danger);
}

.neo-list {
    list-style: none;
}

.neo-item {
    padding: 10px 12px;
    margin-bottom: 6px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: border-color 0.2s, background 0.2s, transform 0.15s;
}

.neo-item:hover {
    border-color: var(--accent-dim);
    background: rgba(0, 212, 255, 0.05);
    transform: translateX(4px);
}

.neo-item.hazardous {
    border-left: 3px solid var(--danger);
}

.neo-item.hazardous:hover {
    border-color: var(--danger);
    background: rgba(255, 68, 68, 0.06);
}

.neo-item-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 4px;
}

.neo-name {
    font-weight: 600;
    font-size: 13px;
    color: var(--text);
}

.hazard-badge {
    font-size: 10px;
    color: var(--danger);
    background: rgba(255, 68, 68, 0.12);
    padding: 2px 6px;
    border-radius: 4px;
    font-weight: 600;
    animation: pulse-danger 2s ease-in-out infinite;
}

@keyframes pulse-danger {
    0%, 100% { opacity: 0.8; }
    50% { opacity: 1; }
}

.neo-item-stats {
    display: flex;
    gap: 12px;
    font-size: 11px;
    color: var(--text-dim);
    font-family: var(--mono);
}


/* timeline */

#timeline {
    position: fixed;
    bottom: 0; left: 0;
    width: 100%;
    height: 64px;
    background: var(--bg-panel);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-top: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 0 24px;
    z-index: 100;
}

#timeline button {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text);
    width: 36px; height: 36px;
    cursor: pointer;
    font-size: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: border-color 0.2s, color 0.2s, transform 0.1s;
}

#timeline button:hover {
    border-color: var(--accent);
    color: var(--accent);
}

#timeline button:active {
    transform: scale(0.92);
}

#time-slider {
    flex: 1;
    max-width: 300px;
    accent-color: var(--accent);
    cursor: pointer;
}

#time-label {
    font-family: var(--mono);
    font-size: 13px;
    color: var(--accent);
    min-width: 180px;
}

.date-pick input[type="date"] {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 6px 10px;
    color: var(--text);
    font-family: var(--mono);
    font-size: 12px;
    outline: none;
    cursor: pointer;
    color-scheme: dark;
    transition: border-color 0.2s;
}

.date-pick input[type="date"]:focus {
    border-color: var(--accent);
}


/* detail modal */

.modal {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 200;
    animation: fadeIn 0.2s ease;
}

.modal.hidden {
    display: none;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.modal-content {
    background: linear-gradient(145deg, rgba(12, 14, 30, 0.95), rgba(20, 24, 50, 0.95));
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px;
    width: 90%;
    max-width: 520px;
    position: relative;
    animation: slideUp 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 24px 48px rgba(0, 0, 0, 0.4);
}

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

.modal-close {
    position: absolute;
    top: 12px; right: 16px;
    background: none;
    border: none;
    color: var(--text-dim);
    font-size: 20px;
    cursor: pointer;
    padding: 4px;
    transition: color 0.2s;
}

.modal-close:hover {
    color: var(--text);
}

.modal-content h2 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 20px;
    padding-right: 32px;
}

.detail-grid {
    display: grid;
    gap: 0;
}

.detail-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 0;
    border-bottom: 1px solid var(--border);
}

.detail-item:last-child {
    border-bottom: none;
}

.detail-label {
    font-size: 12px;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.detail-value {
    font-family: var(--mono);
    font-size: 13px;
    font-weight: 500;
    text-align: right;
}

.detail-value.danger {
    color: var(--danger);
}

.detail-value.safe {
    color: var(--safe);
}

.detail-links {
    margin-top: 20px;
    text-align: center;
}

.detail-links a {
    color: var(--accent);
    text-decoration: none;
    font-size: 13px;
    font-weight: 500;
    padding: 8px 20px;
    border: 1px solid var(--accent-dim);
    border-radius: var(--radius-sm);
    transition: background 0.2s, color 0.2s;
    display: inline-block;
}

.detail-links a:hover {
    background: rgba(0, 212, 255, 0.1);
}


/* impact panel */

.impact-panel {
    position: fixed;
    bottom: 64px; right: 0;
    width: 340px;
    background: var(--bg-panel);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border);
    border-right: none;
    border-radius: var(--radius) 0 0 0;
    z-index: 95;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.impact-panel.collapsed .impact-body {
    display: none;
}

.impact-toggle-btn {
    width: 100%;
    background: none;
    border: none;
    border-bottom: 1px solid var(--border);
    color: var(--warning);
    font-family: var(--font);
    font-size: 14px;
    font-weight: 600;
    padding: 12px 16px;
    cursor: pointer;
    text-align: left;
    transition: color 0.2s, background 0.2s;
}

.impact-toggle-btn:hover {
    color: #ffbb66;
    background: rgba(255, 159, 67, 0.05);
}

.impact-body {
    padding: 16px;
    animation: fadeIn 0.2s ease;
}

.impact-body h3 {
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 14px;
}

.impact-inputs {
    display: grid;
    gap: 10px;
    margin-bottom: 14px;
}

.impact-inputs label {
    font-size: 12px;
    color: var(--text-dim);
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.impact-inputs input {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 8px 10px;
    color: var(--text);
    font-family: var(--mono);
    font-size: 13px;
    outline: none;
    transition: border-color 0.2s;
}

.impact-inputs input:focus {
    border-color: var(--warning);
    box-shadow: 0 0 0 2px rgba(255, 159, 67, 0.1);
}

.calc-btn {
    width: 100%;
    background: linear-gradient(135deg, var(--warning), #ff6b35);
    color: #fff;
    border: none;
    border-radius: var(--radius-sm);
    padding: 10px;
    font-family: var(--font);
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    transition: opacity 0.2s, transform 0.15s;
}

.calc-btn:hover {
    opacity: 0.9;
    transform: scale(1.02);
}

.calc-btn:active {
    transform: scale(0.98);
}

.impact-results {
    margin-top: 14px;
}

.result-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 14px;
    animation: slideUp 0.3s ease;
}

.result-card.severity-minimal { border-left: 3px solid var(--safe); }
.result-card.severity-low { border-left: 3px solid #66bb6a; }
.result-card.severity-medium { border-left: 3px solid var(--warning); }
.result-card.severity-high { border-left: 3px solid #ff6b35; }
.result-card.severity-extreme { border-left: 3px solid var(--danger); }
.result-card.severity-extinction {
    border-left: 3px solid #cc0000;
    background: rgba(255, 0, 0, 0.05);
}

.result-row {
    display: flex;
    justify-content: space-between;
    padding: 4px 0;
    font-size: 13px;
}

.result-row span {
    color: var(--text-dim);
}

.result-row strong {
    font-family: var(--mono);
    color: var(--text);
}

.result-description {
    margin-top: 10px;
    padding-top: 10px;
    border-top: 1px solid var(--border);
}

.result-description p {
    font-size: 12px;
    color: var(--text-dim);
    line-height: 1.6;
}

.error {
    color: var(--danger);
    font-size: 13px;
}


/* responsive */

@media (max-width: 768px) {
    #sidebar {
        width: 280px;
    }

    .api-key-area input {
        width: 160px;
    }

    .impact-panel {
        width: 280px;
    }

    #time-label {
        min-width: auto;
        font-size: 12px;
    }

    .date-pick {
        display: none;
    }
}

@media (max-width: 480px) {
    #sidebar {
        width: 100%;
        height: calc(100vh - 56px);
    }

    #sidebar.collapsed {
        transform: translateX(-100%);
    }

    .api-key-area {
        display: none;
    }

    .impact-panel {
        width: 100%;
    }
}