:root {
    /* Color Palette */
    --primary-blue: #007bb5;
    --secondary-blue: #025985;
    --light-blue: #e8f4f8;
    --accent-orange: #ff8b00;
    --accent-orange-hover: #e67d00;
    --accent-purple: #4c16b2;
    --accent-purple-hover: #3d118f;
    --text-dark: #333333;
    --text-medium: #575756;
    --text-light: #888888;
    --bg-color: #f4f7f6;
    --white: #ffffff;
    
    /* Layout */
    --border-radius-lg: 16px;
    --border-radius-md: 8px;
    --box-shadow-glass: 0 8px 32px 0 rgba(0, 123, 181, 0.1);
    --box-shadow-hover: 0 12px 48px 0 rgba(0, 123, 181, 0.2);
    
    /* Typography */
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
}

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

body {
    font-family: var(--font-body);
    background-color: var(--bg-color);
    color: var(--text-dark);
    line-height: 1.6;
    background-image: radial-gradient(circle at top right, #e8f4f8, #f4f7f6);
    background-attachment: fixed;
}

.app-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* Header & Top Nav */
.top-nav {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: var(--border-radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.5);
    padding: 20px 30px;
    margin-bottom: 30px;
    box-shadow: var(--box-shadow-glass);
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.logo-placeholder {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.5rem;
    color: var(--primary-blue);
    letter-spacing: 1px;
}

.global-filters {
    display: flex;
    align-items: center;
    gap: 15px;
    flex-wrap: wrap;
}

.filter-group {
    display: flex;
    flex-direction: column;
}

.filter-group label {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-medium);
    margin-bottom: 5px;
}

select {
    padding: 10px 15px;
    border-radius: var(--border-radius-md);
    border: 1px solid #ddd;
    font-family: var(--font-body);
    font-size: 0.95rem;
    background-color: var(--white);
    color: var(--text-dark);
    outline: none;
    cursor: pointer;
    transition: all 0.2s ease;
    appearance: none;
    background-image: url("data:image/svg+xml;charset=US-ASCII,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%22292.4%22%20height%3D%22292.4%22%3E%3Cpath%20fill%3D%22%23007BB5%22%20d%3D%22M287%2069.4a17.6%2017.6%200%200%200-13-5.4H18.4c-5%200-9.3%201.8-12.9%205.4A17.6%2017.6%200%200%200%200%2082.2c0%205%201.8%209.3%205.4%2012.9l128%20127.9c3.6%203.6%207.8%205.4%2012.8%205.4s9.2-1.8%2012.8-5.4L287%2095c3.5-3.5%205.4-7.8%205.4-12.8%200-5-1.9-9.2-5.5-12.8z%22%2F%3E%3C%2Fsvg%3E");
    background-repeat: no-repeat;
    background-position: right 15px top 50%;
    background-size: 10px auto;
    padding-right: 40px;
}

select:focus {
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px rgba(0, 123, 181, 0.2);
}

.primary-select {
    background-color: var(--accent-orange);
    color: var(--white);
    border-color: var(--accent-orange);
    font-weight: 600;
    background-image: url("data:image/svg+xml;charset=US-ASCII,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%22292.4%22%20height%3D%22292.4%22%3E%3Cpath%20fill%3D%22%23FFFFFF%22%20d%3D%22M287%2069.4a17.6%2017.6%200%200%200-13-5.4H18.4c-5%200-9.3%201.8-12.9%205.4A17.6%2017.6%200%200%200%200%2082.2c0%205%201.8%209.3%205.4%2012.9l128%20127.9c3.6%203.6%207.8%205.4%2012.8%205.4s9.2-1.8%2012.8-5.4L287%2095c3.5-3.5%205.4-7.8%205.4-12.8%200-5-1.9-9.2-5.5-12.8z%22%2F%3E%3C%2Fsvg%3E");
}

.secondary-select:disabled {
    background-color: #e5e5e5;
    color: #999;
    cursor: not-allowed;
    background-image: url("data:image/svg+xml;charset=US-ASCII,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%22292.4%22%20height%3D%22292.4%22%3E%3Cpath%20fill%3D%22%23999999%22%20d%3D%22M287%2069.4a17.6%2017.6%200%200%200-13-5.4H18.4c-5%200-9.3%201.8-12.9%205.4A17.6%2017.6%200%200%200%200%2082.2c0%205%201.8%209.3%205.4%2012.9l128%20127.9c3.6%203.6%207.8%205.4%2012.8%205.4s9.2-1.8%2012.8-5.4L287%2095c3.5-3.5%205.4-7.8%205.4-12.8%200-5-1.9-9.2-5.5-12.8z%22%2F%3E%3C%2Fsvg%3E");
}

.divider {
    color: var(--text-light);
    font-size: 0.9rem;
    margin-top: 20px;
}

/* Dashboard Header */
.dashboard-header {
    margin-bottom: 25px;
}

.page-title {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 500;
    color: var(--text-medium);
}

.page-title .highlight {
    font-weight: 800;
    color: var(--text-dark);
}

/* Sub Filters */
.sub-filters {
    display: flex;
    gap: 15px;
    margin-bottom: 30px;
    flex-wrap: wrap;
}

.sub-filters .filter-card select {
    width: 100%;
    background-color: var(--accent-orange);
    color: var(--white);
    border: none;
    font-weight: 600;
    background-image: url("data:image/svg+xml;charset=US-ASCII,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%22292.4%22%20height%3D%22292.4%22%3E%3Cpath%20fill%3D%22%23FFFFFF%22%20d%3D%22M287%2069.4a17.6%2017.6%200%200%200-13-5.4H18.4c-5%200-9.3%201.8-12.9%205.4A17.6%2017.6%200%200%200%200%2082.2c0%205%201.8%209.3%205.4%2012.9l128%20127.9c3.6%203.6%207.8%205.4%2012.8%205.4s9.2-1.8%2012.8-5.4L287%2095c3.5-3.5%205.4-7.8%205.4-12.8%200-5-1.9-9.2-5.5-12.8z%22%2F%3E%3C%2Fsvg%3E");
}

/* Data Grid */
.data-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 25px;
    margin-bottom: 40px;
}

.data-card {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-radius: var(--border-radius-lg);
    border: 1px solid rgba(0, 123, 181, 0.2);
    padding: 25px;
    display: flex;
    flex-direction: column;
    box-shadow: var(--box-shadow-glass);
    transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275), box-shadow 0.3s ease;
}

.data-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--box-shadow-hover);
}

.card-header h2 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    color: var(--primary-blue);
    margin-bottom: 5px;
}

.card-header .subtitle {
    font-size: 0.85rem;
    color: var(--primary-blue);
    opacity: 0.8;
    display: block;
    margin-bottom: 20px;
    min-height: 40px;
}

.card-body {
    flex-grow: 1;
}

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

.big-number {
    font-family: var(--font-heading);
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--primary-blue);
    line-height: 1;
}

.metric-desc {
    font-size: 0.9rem;
    color: var(--primary-blue);
    font-weight: 500;
}

.source-text {
    font-size: 0.85rem;
    color: var(--text-medium);
    margin-bottom: 25px;
}

.card-footer {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    margin-top: auto;
}

/* Buttons */
button {
    font-family: var(--font-body);
    font-weight: 600;
    padding: 10px 20px;
    border-radius: var(--border-radius-md);
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 0.9rem;
}

.btn-outline-blue {
    background: transparent;
    color: var(--primary-blue);
    border: 2px solid var(--primary-blue);
}

.btn-outline-blue:hover {
    background: var(--primary-blue);
    color: var(--white);
}

.btn-solid-blue {
    background: var(--primary-blue);
    color: var(--white);
    border: none;
}

.btn-solid-blue:hover {
    background: var(--secondary-blue);
}

.btn-solid-purple {
    background: var(--accent-purple);
    color: var(--white);
    border: none;
}

.btn-solid-purple:hover {
    background: var(--accent-purple-hover);
    transform: scale(1.05);
}

/* Bottom Coverage Banner */
.coverage-banner {
    background: linear-gradient(135deg, rgba(232, 244, 248, 0.9) 0%, rgba(255, 255, 255, 0.9) 100%);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: var(--border-radius-lg);
    border: 1px solid rgba(0, 123, 181, 0.15);
    padding: 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
    box-shadow: var(--box-shadow-glass);
    transition: transform 0.3s ease;
}

.coverage-banner:hover {
    transform: translateY(-3px);
}

.banner-content h3 {
    font-family: var(--font-heading);
    color: var(--primary-blue);
    margin-bottom: 10px;
}

.banner-metric {
    display: flex;
    align-items: center;
    gap: 15px;
}

.big-number-banner {
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 800;
    color: var(--primary-blue);
}

.banner-metric p {
    font-size: 0.9rem;
    color: var(--text-medium);
    max-width: 600px;
}

/* Animations */
@keyframes fadeInSlideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.data-card {
    animation: fadeInSlideUp 0.6s ease-out forwards;
    opacity: 0;
}

.data-card:nth-child(1) { animation-delay: 0.1s; }
.data-card:nth-child(2) { animation-delay: 0.2s; }
.data-card:nth-child(3) { animation-delay: 0.3s; }
.coverage-banner { 
    animation: fadeInSlideUp 0.6s ease-out forwards;
    animation-delay: 0.4s;
    opacity: 0;
}

/* Sex/race unavailability notice */
.filter-notice {
    background: rgba(255, 139, 0, 0.12);
    border: 1px solid rgba(255, 139, 0, 0.4);
    border-radius: var(--border-radius-md);
    padding: 12px 18px;
    font-size: 0.85rem;
    color: var(--text-medium);
    margin-bottom: 20px;
}

/* Loading overlay */
.loading-overlay {
    display: none;
    text-align: center;
    padding: 40px;
    color: var(--text-medium);
    font-size: 1rem;
}

.loading-overlay.visible {
    display: block;
}

/* Responsive */
@media (max-width: 768px) {
    .nav-wrapper {
        flex-direction: column;
        align-items: stretch;
    }
    .global-filters {
        flex-direction: column;
        align-items: stretch;
    }
    .divider {
        text-align: center;
        margin: 5px 0;
    }
    .coverage-banner {
        flex-direction: column;
        text-align: center;
    }
    .banner-metric {
        flex-direction: column;
        text-align: center;
    }
}