/* Base & Layout Styles */
body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: #f1f5f9;
    color: #0f172a;
}

main {
    max-width: 960px;
    margin: 0 auto;
    padding: 32px 24px;
}

/* Header Styling */
.dashboard-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: linear-gradient(135deg, #1e293b 0%, #334155 100%);
    color: #ffffff;
    padding: 1.5rem 2rem;
    margin: 24px auto 1.5rem auto; /* Top buffer added here */
    max-width: 960px;
    border-radius: 12px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
    box-sizing: border-box;
}

.header-title {
    margin: 0;
    font-size: 1.5rem;
    font-weight: 700;
    color: #ffffff;
}

.header-subtitle {
    margin: 0.25rem 0 0 0;
    font-size: 0.9rem;
    color: #94a3b8;
}

.meta-badge {
    background-color: #334155;
    color: #cbd5e1;
    padding: 0.4rem 0.8rem;
    border-radius: 6px;
    font-size: 0.85rem;
    font-weight: 500;
}

/* Transparency Banner */
.transparency-banner {
    max-width: 960px;
    margin: 0 auto 1.5rem auto; /* Aligned & Centered */
    background-color: #ffffff;
    border-left: 4px solid #3b82f6;
    padding: 1.25rem 1.5rem;
    border-radius: 0 10px 10px 0;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
    box-sizing: border-box;
}

.transparency-banner h3 {
    margin: 0 0 0.5rem 0;
    font-size: 1rem;
    color: #1e293b;
}

.transparency-banner p {
    margin: 0;
    font-size: 0.875rem;
    color: #475569;
    line-height: 1.5;
}

/* Tabs Navigation */
.tab-navigation {
    display: flex;
    gap: 8px;
    margin-bottom: -1px;
    position: relative;
    z-index: 1;
}

.tab-button {
    padding: 12px 24px;
    border-radius: 10px 10px 0 0;
    border: 1px solid #cbd5e1;
    font-size: 15px;
    font-weight: 600;
    color: #64748b;
    background-color: #e2e8f0;
    cursor: pointer;
    transition: all 0.2s ease;
    outline: none;
}

.tab-button:hover {
    background-color: #f8fafc;
    color: #4f46e5;
    border-color: #c7d2fe;
}

.tab-button.active {
    color: #4f46e5;
    background-color: #ffffff;
    border-color: #cbd5e1;
    border-bottom-color: #ffffff;
    box-shadow: 0 -3px 8px rgba(79, 70, 229, 0.08);
}

/* Chart Card & Content */
.plot-card {
    background-color: #ffffff;
    border-radius: 0 12px 12px 12px;
    border: 1px solid #cbd5e1;
    box-shadow: 0 10px 25px -5px rgba(15, 23, 42, 0.08), 0 8px 10px -6px rgba(15, 23, 42, 0.04);
    padding: 32px;
}

.plot-title {
    margin: 0 0 20px 0;
    font-size: 24px;
    font-weight: 700;
    color: #1e293b;
    letter-spacing: -0.02em;
}

.chart {
    width: 100%;
    min-height: 380px;
    background: #ffffff;
}

.data-source {
    margin-top: 24px;
    margin-bottom: 0;
    padding: 12px 16px;
    background-color: #f8fafc;
    border-left: 3px solid #6366f1;
    border-radius: 0 6px 6px 0;
    font-size: 13px;
    color: #475569;
}

.data-source-link {
    color: #4f46e5;
    font-weight: 600;
    text-decoration: none;
    transition: color 0.15s ease, text-decoration 0.15s ease;
}

.data-source-link:hover {
    color: #3730a3;
    text-decoration: underline;
}

/* Updated Dashboard Footer & Accordion */
.dashboard-footer {
    max-width: 960px;
    margin: 2rem auto 2.5rem auto; /* Aligned & Centered */
    background-color: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    padding: 1rem 1.5rem;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.02);
    box-sizing: border-box;
}

.footer-accordion summary {
    cursor: pointer;
    font-weight: 600;
    color: #334155;
    padding: 0.5rem 0;
    font-size: 0.95rem;
    user-select: none;
    transition: color 0.15s ease;
}

.footer-accordion summary:hover {
    color: #4f46e5;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.5rem;
    padding-top: 1.25rem;
    margin-top: 0.75rem;
    border-top: 1px solid #f1f5f9;
    color: #475569;
    font-size: 0.875rem;
    line-height: 1.6;
}

.footer-section h4 {
    margin: 0 0 0.5rem 0;
    color: #1e293b;
    font-size: 0.95rem;
    font-weight: 600;
}

.limitations-list {
    margin: 0.5rem 0;
    padding-left: 1.25rem;
}

.limitations-list li {
    margin-bottom: 0.25rem;
}

.contact-inquiry {
    margin-top: 1rem;
}

.contact-inquiry a {
    color: #4f46e5;
    font-weight: 500;
    text-decoration: none;
}

.contact-inquiry a:hover {
    text-decoration: underline;
}

.data-source-banner {
    margin-top: 24px;
    padding: 12px 16px;
    background-color: #f8fafc;
    border-left: 3px solid #6366f1;
    border-radius: 0 6px 6px 0;
    font-size: 13px;
    color: #475569;
}

.data-source-note {
    margin: 0 0 6px 0;
    line-height: 1.4;
}

.data-source-text {
    margin: 0;
    line-height: 1.4;
}

.data-source-link {
    color: #4f46e5;
    font-weight: 600;
    text-decoration: none;
    transition: color 0.15s ease, text-decoration 0.15s ease;
}

.data-source-link:hover {
    color: #3730a3;
    text-decoration: underline;
}