:root {
    --app-bg: #101223;
    --surface-1: #171b2f;
    --surface-2: #101223;
    --nav-bg: var(--surface-1);
    --panel-bg: var(--surface-1);
    --panel-border: rgba(255, 255, 255, 0.06);
    --panel-highlight: rgba(108, 99, 255, 0.18);
    --text-primary: #f5f6ff;
    --text-muted: #9aa1c7;
    --accent: #8b5cf6;
    --accent-soft: rgba(139, 92, 246, 0.35);
    --danger: #f87171;
    --warning: #facc15;
}

html, body {
    font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--app-bg);
    background-image:
        radial-gradient(circle at 20% 20%, rgba(139, 92, 246, 0.08), transparent 45%),
        radial-gradient(circle at 80% 0%, rgba(34, 197, 94, 0.05), transparent 40%);
    color: var(--text-primary);
    min-height: 100%;
}

a, .btn-link {
    color: var(--accent);
    transition: color 0.2s ease;
}

a:hover, .btn-link:hover {
    color: #c4b5fd;
}

.content {
    padding: 2rem;
}

.phasing-card, .card {
    background: var(--panel-bg);
    border: 1px solid var(--panel-border);
    border-radius: 18px;
    box-shadow: 0 24px 60px rgba(6, 7, 14, 0.7);
    padding: 1.75rem;
    margin-bottom: 1.5rem;
}

.card-header {
    background: transparent;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
}

.card-body {
    padding: 1.5rem 0 0 0;
}

.phasing-table, .table {
    color: var(--text-primary);
    border-color: rgba(255, 255, 255, 0.04);
}

.phasing-table thead th,
.table thead th {
    border: none;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-size: 0.75rem;
    color: var(--text-muted);
    background: rgba(255, 255, 255, 0.01);
}

.phasing-table tbody tr,
.table tbody tr {
    border-color: rgba(255, 255, 255, 0.04);
}

.phasing-table tbody tr:hover,
.table tbody tr:hover {
    background: var(--panel-highlight);
}

.table-responsive {
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.04);
    padding: 0.5rem;
    background: rgba(18, 22, 39, 0.85);
}

.glass-panel {
    border-radius: 18px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    background: rgba(23, 28, 49, 0.9);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.02);
    padding: 1rem;
}

.page-title {
    font-size: 1.35rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    margin-bottom: 1.25rem;
    color: var(--text-primary);
}

.page-subtitle {
    font-size: 0.9rem;
    color: var(--text-muted);
}

.alert {
    border-radius: 12px;
    border: none;
    padding: 1rem 1.25rem;
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.alert-danger {
    background: rgba(248, 113, 113, 0.15);
    color: #ffe6e6;
    border: 1px solid rgba(248, 113, 113, 0.3);
}

.alert-info {
    background: rgba(129, 140, 248, 0.12);
    color: #dbeafe;
    border: 1px solid rgba(129, 140, 248, 0.35);
}

.spinner-border {
    color: var(--accent);
}

.btn {
    border-radius: 999px;
    border: 1px solid transparent;
    font-weight: 600;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.btn-primary, .btn-success {
    background: var(--accent);
    border-color: var(--accent);
    color: #090b16;
}

.btn-info {
    background: rgba(96, 165, 250, 0.85);
    border-color: rgba(96, 165, 250, 0.95);
    color: #0f172a;
}

.btn-warning {
    background: rgba(250, 204, 21, 0.9);
    border-color: rgba(250, 204, 21, 1);
    color: #111;
}

.btn:hover:not(:disabled) {
    transform: translateY(-1px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.25);
}

.form-control, .form-select {
    background: rgba(23, 27, 48, 0.95);
    border: 1px solid rgba(255, 255, 255, 0.08);
    color: var(--text-primary);
    border-radius: 12px;
}

.form-control:focus, .form-select:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 2px rgba(139, 92, 246, 0.25);
}

.validation-message {
    color: var(--danger);
}

.blazor-error-boundary {
    background: rgba(248, 113, 113, 0.15);
    border: 1px solid rgba(248, 113, 113, 0.3);
    border-radius: 12px;
    color: var(--text-primary);
    padding: 1rem 1rem 1rem 3rem;
    position: relative;
}

.blazor-error-boundary::before {
    content: "⚠";
    position: absolute;
    left: 1rem;
    font-size: 1.25rem;
}

.blazor-error-boundary::after {
    content: "An error has occurred.";
}

.status-log {
    background: rgba(17, 21, 39, 0.9);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    padding: 1rem;
    font-family: 'JetBrains Mono', Consolas, monospace;
    font-size: 0.8rem;
    color: var(--text-muted);
}