:root {
    --primary: #4facfe;
    --secondary: #00f2fe;
    --accent: #f0abfc;
    --bg-dark: #020617;
    --panel-bg: rgba(30, 41, 59, 0.5);
    --border: rgba(255, 255, 255, 0.1);
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --glass-blur: blur(16px);
}

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

body {
    font-family: 'Space Grotesk', sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-main);
    overflow-x: hidden;
    min-height: 100vh;
}

.glow-bg {
    position: fixed;
    top: -10%;
    right: -10%;
    width: 50%;
    height: 50%;
    background: radial-gradient(circle, rgba(79, 172, 254, 0.15) 0%, transparent 70%);
    filter: blur(100px);
    z-index: -1;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 60px;
    margin: 20px 40px;
    border-radius: 20px;
    z-index: 100;
}

.logo {
    font-weight: 700;
    font-size: 1.5rem;
    letter-spacing: 2px;
}

.logo span {
    color: var(--primary);
}

.nav-links a {
    color: var(--text-muted);
    text-decoration: none;
    margin-left: 30px;
    font-weight: 500;
    transition: color 0.3s;
}

.nav-links a.active, .nav-links a:hover {
    color: var(--primary);
}

.container {
    max-width: 1600px;
    margin: 0 auto;
    padding: 0 40px 40px;
}

.dashboard-grid {
    display: grid;
    grid-template-columns: 380px 1fr;
    gap: 30px;
}

.glass-panel {
    background: var(--panel-bg);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--border);
    border-radius: 24px;
}

.sidebar {
    padding: 30px;
    height: fit-content;
}

.section-title {
    display: flex;
    align-items: center;
    margin-bottom: 30px;
}

.section-title h2 {
    font-size: 1.25rem;
    margin-left: 10px;
}

.control-group {
    margin-bottom: 25px;
}

.control-group label {
    display: block;
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 12px;
}

.range-container {
    display: flex;
    align-items: center;
    gap: 15px;
}

input[type="range"] {
    flex: 1;
    accent-color: var(--primary);
}

.range-val {
    font-weight: 600;
    min-width: 45px;
    color: var(--primary);
}

.primary-btn {
    position: relative;
    width: 100%;
    padding: 16px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border: none;
    border-radius: 14px;
    color: #000;
    font-weight: 700;
    font-size: 1rem;
    cursor: pointer;
    overflow: hidden;
    transition: transform 0.2s;
}

.primary-btn:hover {
    transform: translateY(-2px);
}

.status-box {
    margin-top: 25px;
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--primary);
}

.loader {
    width: 18px;
    height: 18px;
    border: 2px solid var(--primary);
    border-bottom-color: transparent;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

.stats-panel h3 {
    font-size: 1rem;
    margin: 20px 0 15px;
    color: var(--text-muted);
}

.stat-card {
    background: rgba(0, 0, 0, 0.2);
    padding: 15px;
    border-radius: 12px;
    margin-bottom: 12px;
}

.stat-card label {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.stat-card .value {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary);
}

.plots-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 25px;
}

.plot-box {
    padding: 25px;
}

.full-width {
    grid-column: span 2;
}

.plot-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.badge {
    background: rgba(79, 172, 254, 0.1);
    color: var(--primary);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    border: 1px solid rgba(79, 172, 254, 0.2);
}

.img-wrapper {
    width: 100%;
    aspect-ratio: 1.6;
    background: rgba(0, 0, 0, 0.2);
    border-radius: 16px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.img-wrapper.large {
    aspect-ratio: 2.5;
}

.img-wrapper img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.img-wrapper img[src=""] {
    opacity: 0.3;
}

.hidden { display: none; }

/* INFERENCES STYLES */
.inferences-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 30px;
    padding-top: 20px;
}

.info-card {
    padding: 40px;
}

.info-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
}

.num {
    font-size: 2rem;
    font-weight: 800;
    opacity: 0.2;
}

.novelty-tag {
    background: var(--accent);
    color: #000;
    padding: 2px 10px;
    font-size: 0.7rem;
    font-weight: 800;
    border-radius: 4px;
}

.tag {
    margin-top: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--primary);
}

.matrix-demo {
    margin-top: 25px;
    background: rgba(0, 0, 0, 0.3);
    padding: 20px;
    border-radius: 12px;
}

.m-row {
    display: flex;
    justify-content: space-between;
    padding: 8px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

/* NEW TABS STYLES */
.spl-readout {
    margin-bottom: 25px;
    padding: 20px 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: linear-gradient(90deg, var(--panel-bg), transparent);
}

.spl-readout label {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-muted);
}

.spl-readout span {
    font-size: 3rem;
    font-weight: 800;
    color: var(--primary);
    text-shadow: 0 0 20px rgba(79, 172, 254, 0.3);
}

.matrix-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 8px;
    margin-top: 15px;
    aspect-ratio: 1;
}

.matrix-cell {
    aspect-ratio: 1;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 700;
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: all 0.3s;
}

.matrix-cell:hover {
    transform: scale(1.05);
    z-index: 2;
    box-shadow: 0 0 15px rgba(0,0,0,0.5);
}

.convergence-layout {
    display: grid;
    grid-template-columns: 1fr 350px;
    gap: 30px;
    height: 500px;
}

.full-dashboard {
    padding: 30px;
    margin-top: 20px;
}

.main-plot-container {
    background: rgba(0, 0, 0, 0.2);
    border-radius: 20px;
    padding: 20px;
}

.sub-plot-container {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.convergence-stats {
    background: rgba(0,0,0,0.3);
    padding: 20px;
    border-radius: 16px;
    border: 1px solid var(--border);
}

.c-stat {
    margin-bottom: 10px;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.c-stat span {
    color: var(--primary);
    font-weight: 700;
}

.urban-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
    margin-top: 15px;
    aspect-ratio: 1;
}

.grid-cell {
    aspect-ratio: 1;
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.grid-cell:hover {
    transform: scale(1.1);
    z-index: 10;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
}

.grid-cell .val { font-size: 1.2rem; }
.grid-cell .unit { font-size: 0.6rem; opacity: 0.6; }

.profile-selector {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 25px;
}

.profile-btn {
    padding: 12px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border);
    border-radius: 10px;
    color: var(--text-muted);
    cursor: pointer;
    transition: all 0.3s;
    text-align: left;
    font-weight: 600;
}

.profile-btn.active {
    background: rgba(79, 172, 254, 0.15);
    border-color: var(--primary);
    color: var(--primary);
}

.primary-btn.small {
    width: auto;
    padding: 8px 24px;
    font-size: 0.85rem;
}

/* FORMULA STYLES */
.formula-card {
    margin-top: 25px;
    padding: 20px;
    background: rgba(0, 0, 0, 0.2);
    border: 1px dashed var(--border);
    border-radius: 16px;
}

.formula-card h4 {
    font-size: 0.85rem;
    color: var(--primary);
    margin-bottom: 12px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.formula {
    font-family: 'Times New Roman', serif;
    font-size: 1.2rem;
    font-style: italic;
    color: #fff;
    margin-bottom: 5px;
    text-align: center;
}

.formula-card small {
    display: block;
    font-size: 0.75rem;
    color: var(--text-muted);
    text-align: center;
    margin-top: 5px;
}

/* CITY PLANNER STYLES */
.tool-selector, .toggle-group {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
}

.tool-btn, .layer-btn {
    padding: 10px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border);
    border-radius: 10px;
    color: var(--text-muted);
    font-size: 0.75rem;
    cursor: pointer;
    transition: all 0.3s;
}

.preset-select {
    width: 100%;
    padding: 12px;
    background: #1e293b; /* Solid dark background for consistency */
    border: 1px solid var(--border);
    border-radius: 10px;
    color: var(--text-main);
    font-size: 0.85rem;
    appearance: none; /* Remove default styling */
    -webkit-appearance: none;
    cursor: pointer;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='white'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'%3E%3C/path%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    background-size: 16px;
}

.preset-select option {
    background-color: #0f172a;
    color: white;
}

#planner-material {
    width: 100%;
    padding: 12px;
    background: #1e293b;
    border: 1px solid var(--border);
    border-radius: 10px;
    color: var(--text-main);
    font-size: 0.85rem;
    cursor: pointer;
}

#planner-material option {
    background-color: #0f172a;
    color: white;
}

.tool-btn.active, .layer-btn.active {
    background: var(--primary);
    color: #000;
    border-color: var(--primary);
}

.planner-canvas-container {
    width: 600px;
    height: 600px;
    margin: 0 auto;
    background: #020617;
    overflow: hidden;
    position: relative;
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
}

#map {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 10;
}

#planner-canvas {
    position: absolute;
    top: 0;
    left: 0;
    z-index: 20;
    background: transparent;
    pointer-events: auto;
}

.heatmap-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 30;
    pointer-events: none;
    display: grid;
    grid-template-columns: repeat(10, 1fr);
    grid-template-rows: repeat(10, 1fr);
}

.heatmap-cell {
    opacity: 0.5;
}

.suggestion-card {
    margin-top: 30px;
    padding: 25px;
    border-left: 4px solid var(--primary);
}

.suggestion-card h4 {
    color: var(--primary);
    margin-bottom: 15px;
}

.suggestion-card ul {
    list-style: none;
}

.suggestion-card li {
    padding: 8px 0;
    font-size: 0.9rem;
    color: var(--text-muted);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.secondary-btn {
    width: 100%;
    padding: 12px;
    background: transparent;
    border: 1px solid var(--primary);
    border-radius: 10px;
    color: var(--primary);
    font-weight: 600;
    cursor: pointer;
}

/* RESPONSIVE DESIGN */
@media (max-width: 1200px) {
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
    
    .sidebar {
        width: 100%;
    }
}

@media (max-width: 768px) {
    .navbar {
        padding: 15px 25px;
        margin: 10px 15px;
        flex-direction: column;
        gap: 15px;
    }

    .nav-links {
        display: flex;
        overflow-x: auto;
        width: 100%;
        padding-bottom: 5px;
        justify-content: flex-start;
        -webkit-overflow-scrolling: touch;
    }

    .nav-links a {
        margin-left: 0;
        margin-right: 20px;
        white-space: nowrap;
        font-size: 0.85rem;
    }

    .container {
        padding: 0 10px 20px;
    }

    .dashboard-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .planner-canvas-container {
        width: 100%;
        height: auto;
        aspect-ratio: 1;
    }

    #planner-canvas {
        width: 100% !important;
        height: auto !important;
        position: relative;
    }

    .heatmap-overlay {
        width: 100%;
        height: 100%;
    }

    .plots-grid {
        grid-template-columns: 1fr;
    }

    .full-width {
        grid-column: span 1;
    }

    .spl-readout {
        flex-direction: column;
        gap: 10px;
        text-align: center;
        padding: 15px;
    }

    .spl-readout span {
        font-size: 2.2rem;
    }

    .convergence-layout {
        grid-template-columns: 1fr;
        height: auto;
    }

    .main-plot-container {
        height: 300px;
    }

    .inferences-grid {
        grid-template-columns: 1fr;
    }

    .info-card {
        padding: 25px;
    }

    .logo {
        font-size: 1.2rem;
    }
}

/* --- Hospital Optimizer Styles --- */
.hospital-tool-selector {
    display: grid;
    grid-template-columns: 1fr;
    gap: 10px;
    margin-bottom: 20px;
}

.h-tool-btn {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: #94a3b8;
    padding: 12px;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: inherit;
    font-size: 0.9rem;
}

.h-tool-btn:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.2);
}

.h-tool-btn.active {
    background: rgba(59, 130, 246, 0.1);
    border-color: #3b82f6;
    color: #fff;
    box-shadow: 0 0 15px rgba(59, 130, 246, 0.2);
}

.dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    display: inline-block;
}

.ward-dot { background: #10b981; box-shadow: 0 0 8px #10b981; }
.plant-dot { background: #22c55e; box-shadow: 0 0 8px #22c55e; }
.signal-dot { background: #ef4444; box-shadow: 0 0 8px #ef4444; }

.info-bubble {
    background: rgba(59, 130, 246, 0.05);
    border-left: 3px solid #3b82f6;
    padding: 12px;
    border-radius: 4px;
    margin-bottom: 20px;
}

.info-bubble p {
    font-size: 0.85rem;
    color: #94a3b8;
    line-height: 1.4;
    margin: 0;
}

.legend {
    margin-top: 30px;
    padding: 15px;
}

.legend h4 {
    margin: 0 0 12px 0;
    font-size: 0.85rem;
    color: #64748b;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.85rem;
    color: #94a3b8;
    margin-bottom: 8px;
}

.box {
    width: 14px;
    height: 14px;
    border-radius: 3px;
}

.box.ward { background: #10b981; }
.box.plant { background: #22c55e; }
.box.signal { background: #ef4444; }

.hospital-canvas-container {
    position: relative;
    overflow: hidden;
}

.map-layer {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    z-index: 1;
}

#hospital-canvas {
    position: relative;
    z-index: 2;
    pointer-events: auto;
}

.score-display {
    display: flex;
    align-items: baseline;
    gap: 10px;
    margin-bottom: 15px;
    padding: 15px;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 8px;
}

.score-display label {
    font-size: 0.9rem;
    color: #94a3b8;
}

.score-val {
    font-size: 1.8rem;
    font-weight: 700;
    color: #10b981;
    text-shadow: 0 0 10px rgba(16, 185, 129, 0.3);
}

@media (max-width: 1024px) {
    .dashboard-grid {
        grid-template-columns: 1fr;
}

@media (max-width: 480px) {
    .urban-grid, .matrix-grid {
        gap: 4px;
    }

    .grid-cell .val {
        font-size: 0.9rem;
    }

    .matrix-cell {
        font-size: 0.6rem;
    }

    .formula {
        font-size: 1rem;
    }
}
}