:root {
    --stress-stable: #00d4aa;
    --stress-watch: #f4c542;
    --stress-approaching: #ff6b35;
    --stress-critical: #ff2d55;
}

body {
    margin: 0;
    min-height: 100vh;
    background: radial-gradient(circle at 15% 10%, rgba(0, 212, 170, 0.08), transparent 45%), var(--bg-void);
    color: var(--text-primary);
}

.app-header {
    display: flex;
    justify-content: space-between;
    gap: var(--space-lg);
    align-items: flex-start;
    padding: var(--space-xl);
    border-bottom: 1px solid var(--border);
    background: rgba(18, 18, 26, 0.9);
    backdrop-filter: blur(6px);
}

.brand-eyebrow {
    margin: 0;
    font-size: 0.72rem;
    color: var(--text-muted);
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

h1 {
    margin: 0.35rem 0;
    font-size: 1.8rem;
}

.brand-subtitle {
    margin: 0;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.header-right {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 0.35rem;
}

.status-row {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.access-row {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.source-label {
    color: var(--text-secondary);
    font-size: 0.8rem;
}

.access-badge {
    border: 1px solid rgba(0, 212, 170, 0.35);
    color: #bafff2;
    background: rgba(0, 212, 170, 0.12);
    border-radius: 999px;
    padding: 0.14rem 0.52rem;
    font-size: 0.74rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.upgrade-link {
    color: var(--text-primary);
    border: 1px solid var(--border);
    border-radius: 999px;
    padding: 0.12rem 0.52rem;
    text-decoration: none;
    font-size: 0.74rem;
}

.upgrade-link:hover,
.upgrade-link:focus-visible {
    border-color: var(--accent-cyan);
    outline: none;
}

.timestamp {
    margin: 0;
    font-size: 0.8rem;
    color: var(--text-muted);
}

.stale-badge {
    border: 1px solid var(--freshness-stale);
    background: rgba(255, 56, 100, 0.15);
    color: var(--freshness-stale);
    padding: 0.2rem 0.45rem;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
}

.hidden {
    display: none !important;
}

.btn-refresh {
    border: 1px solid var(--border);
    background: var(--bg-elevated);
    color: var(--text-primary);
    border-radius: var(--radius-md);
    padding: 0.45rem 0.7rem;
    cursor: pointer;
    transition: var(--transition-fast);
}

.btn-refresh:hover,
.btn-refresh:focus-visible {
    border-color: var(--accent-cyan);
    outline: none;
}

.action-row {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-export {
    border: 1px solid rgba(0, 212, 170, 0.45);
    background: rgba(0, 212, 170, 0.12);
    color: #cbfff5;
    border-radius: var(--radius-md);
    padding: 0.45rem 0.7rem;
    cursor: pointer;
    transition: var(--transition-fast);
    font-size: 0.84rem;
}

.btn-export:hover,
.btn-export:focus-visible {
    border-color: var(--accent-cyan);
    background: rgba(0, 212, 170, 0.2);
    outline: none;
}

.btn-export[disabled] {
    opacity: 0.55;
    cursor: not-allowed;
}

.btn-publish {
    border: 1px solid rgba(255, 159, 28, 0.5);
    background: rgba(255, 159, 28, 0.14);
    color: #ffe3c2;
    border-radius: var(--radius-md);
    padding: 0.45rem 0.7rem;
    cursor: pointer;
    transition: var(--transition-fast);
    font-size: 0.84rem;
}

.btn-publish:hover,
.btn-publish:focus-visible {
    border-color: rgba(255, 190, 76, 0.9);
    background: rgba(255, 159, 28, 0.22);
    outline: none;
}

.btn-publish[disabled] {
    opacity: 0.55;
    cursor: not-allowed;
}

.archive-link,
.publish-archive-link {
    color: var(--text-primary);
    border: 1px solid var(--border);
    border-radius: 999px;
    padding: 0.28rem 0.65rem;
    text-decoration: none;
    font-size: 0.75rem;
    white-space: nowrap;
}

.archive-link:hover,
.archive-link:focus-visible,
.publish-archive-link:hover,
.publish-archive-link:focus-visible {
    border-color: var(--accent-cyan);
    outline: none;
}

.export-status {
    margin: 0;
    font-size: 0.78rem;
    color: var(--text-muted);
    max-width: 280px;
    text-align: right;
}

.publish-status {
    margin: 0;
    font-size: 0.78rem;
    color: var(--text-muted);
    max-width: 320px;
    text-align: right;
}

.export-status.is-error {
    color: var(--freshness-stale);
}

.export-status.is-warning {
    color: var(--freshness-warning);
}

.export-status.is-success {
    color: var(--stress-stable);
}

.publish-status.is-error {
    color: var(--freshness-stale);
}

.publish-status.is-warning {
    color: var(--freshness-warning);
}

.publish-status.is-success {
    color: #ffe19a;
}

.main-layout {
    max-width: 1280px;
    margin: 0 auto;
    padding: var(--space-xl);
    display: grid;
    gap: var(--space-xl);
}

.access-notice {
    margin: -0.65rem 0 0;
    border: 1px solid rgba(244, 197, 66, 0.45);
    color: var(--freshness-warning);
    background: rgba(244, 197, 66, 0.1);
    border-radius: var(--radius-md);
    padding: 0.55rem 0.75rem;
    font-size: 0.82rem;
}

.dashboard-shell {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 360px;
    gap: var(--space-lg);
    align-items: start;
}

.main-column,
.side-rail {
    display: grid;
    gap: var(--space-lg);
}

.tab-nav {
    display: flex;
    align-items: center;
    gap: 0.45rem;
    background: rgba(18, 18, 26, 0.85);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 0.45rem;
    overflow-x: auto;
}

.tab-button {
    appearance: none;
    border: 1px solid transparent;
    background: rgba(255, 255, 255, 0.03);
    color: var(--text-secondary);
    border-radius: 999px;
    padding: 0.34rem 0.72rem;
    font-size: 0.76rem;
    letter-spacing: 0.03em;
    text-transform: uppercase;
    cursor: pointer;
    white-space: nowrap;
    transition: var(--transition-fast);
}

.tab-button:hover {
    color: var(--text-primary);
    border-color: var(--border-subtle);
}

.tab-button.is-active,
.tab-button[aria-selected="true"] {
    background: rgba(0, 212, 170, 0.17);
    border-color: rgba(0, 212, 170, 0.35);
    color: #c8fff5;
}

.tab-button:focus-visible {
    outline: 2px solid var(--accent-cyan);
    outline-offset: 1px;
}

.tab-panel {
    min-height: 420px;
}

.summary-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: var(--space-md);
}

.summary-card {
    background: rgba(18, 18, 26, 0.85);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: var(--space-md);
}

.summary-label {
    margin: 0;
    color: var(--text-muted);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.07em;
}

.summary-value {
    margin: 0.35rem 0 0;
    font-family: var(--font-mono);
    font-size: 1.6rem;
    font-weight: 700;
}

.summary-value.negative {
    color: var(--stress-stable);
}

.summary-value.positive {
    color: var(--stress-critical);
}

.summary-text {
    margin: 0.35rem 0 0;
    color: var(--text-secondary);
    font-size: 0.92rem;
}

.panel {
    background: rgba(18, 18, 26, 0.85);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.panel-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: var(--space-md);
    padding: var(--space-md) var(--space-lg);
    border-bottom: 1px solid var(--border);
    background: rgba(26, 26, 36, 0.8);
}

.panel-header h2 {
    margin: 0;
    font-size: 1rem;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.panel-subtitle {
    margin: 0.2rem 0 0;
    color: var(--text-muted);
    font-size: 0.82rem;
}

.panel-status {
    border: 1px solid rgba(255, 159, 28, 0.45);
    color: var(--freshness-warning);
    background: rgba(255, 159, 28, 0.12);
    border-radius: 999px;
    padding: 0.15rem 0.5rem;
    font-size: 0.72rem;
    line-height: 1.35;
    white-space: nowrap;
}

.error-message {
    margin: 0;
    padding: var(--space-md) var(--space-lg);
    border: 1px solid rgba(255, 45, 85, 0.3);
    border-radius: var(--radius-md);
    color: var(--freshness-stale);
    background: rgba(255, 45, 85, 0.1);
}

@media (max-width: 1024px) {
    .summary-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .dashboard-shell {
        grid-template-columns: 1fr;
    }

    .app-header {
        flex-direction: column;
        align-items: stretch;
    }

    .header-right {
        align-items: flex-start;
    }

    .export-status {
        text-align: left;
        max-width: none;
    }

    .publish-status {
        text-align: left;
        max-width: none;
    }
}

@media (max-width: 768px) {
    .main-layout {
        padding: var(--space-md);
        gap: var(--space-md);
    }

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

    .panel-header {
        flex-direction: column;
    }

    .tab-nav {
        gap: 0.35rem;
        padding: 0.35rem;
    }

    .tab-button {
        font-size: 0.71rem;
        padding: 0.3rem 0.58rem;
    }

    .action-row {
        flex-wrap: wrap;
    }

    .main-column,
    .side-rail {
        gap: var(--space-md);
    }

    .tab-panel {
        min-height: 0;
    }
}