/* Production incident lab */

[hidden] {
    display: none !important;
}

.lab-hero {
    padding: 9rem 0 4.5rem;
    color: #fff;
    background:
        radial-gradient(circle at 78% 24%, rgba(29, 158, 117, 0.24), transparent 30%),
        linear-gradient(135deg, #111827 0%, #172132 58%, #0d3d32 130%);
    border-bottom: 4px solid var(--color-primary);
}

.lab-hero-inner {
    max-width: 1040px;
}

.lab-back {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 2.4rem;
    color: #a7f3d0;
    font-size: 0.82rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-decoration: none;
    text-transform: uppercase;
    transition: gap 0.2s ease, color 0.2s ease;
}

.lab-back:hover {
    gap: 0.7rem;
    color: #fff;
}

.lab-hero-copy {
    max-width: 850px;
}

.lab-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    margin-bottom: 1rem;
    color: #6ee7b7;
    font-family: var(--font-code);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.lab-hero h1 {
    max-width: 820px;
    margin-bottom: 1.15rem;
    font-family: var(--font-display);
    font-size: clamp(2.4rem, 5vw, 4.4rem);
    line-height: 1.08;
    letter-spacing: -0.04em;
}

.lab-hero-copy > p {
    max-width: 760px;
    color: #d1d5db;
    font-size: 1.08rem;
    line-height: 1.75;
}

.lab-hero-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-top: 2rem;
}

.lab-hero-meta span {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.42rem 0.75rem;
    color: #d1fae5;
    background: rgba(255, 255, 255, 0.07);
    border: 1px solid rgba(167, 243, 208, 0.23);
    border-radius: 999px;
    font-size: 0.78rem;
    font-weight: 600;
}

.lab-page {
    padding: 4rem 0 5rem;
}

.lab-page > .container {
    max-width: 1200px;
}

.lab-shell {
    overflow: hidden;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 16px;
    box-shadow: 0 22px 60px rgba(17, 24, 39, 0.08);
    scroll-margin-top: 6rem;
}

.lab-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.5rem 0.85rem;
    font-size: 0.8rem;
}

.lab-toolbar > div:first-child {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    flex-wrap: wrap;
}

.lab-step-label,
.lab-score {
    color: var(--color-text-body);
    font-weight: 800;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.lab-score {
    color: var(--color-primary-dark);
    white-space: nowrap;
}

.lab-progress {
    height: 5px;
    background: #e5e7eb;
}

.lab-progress-bar {
    width: 0;
    height: 100%;
    background: linear-gradient(90deg, var(--color-primary), #34d399);
    transition: width 0.35s ease;
}

.lab-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(360px, 0.9fr);
    min-height: 680px;
}

.incident-panel,
.response-panel {
    padding: 2.25rem;
}

.incident-panel {
    background: #f8fafc;
    border-right: 1px solid var(--color-border);
}

.incident-heading {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    margin-bottom: 1rem;
}

.incident-number,
.incident-severity {
    display: inline-flex;
    padding: 0.25rem 0.6rem;
    border-radius: 5px;
    font-family: var(--font-code);
    font-size: 0.7rem;
    font-weight: 800;
    letter-spacing: 0.05em;
}

.incident-number {
    color: var(--color-primary-dark);
    background: #d1fae5;
}

.incident-severity {
    color: #991b1b;
    background: #fee2e2;
}

.incident-panel h2,
.response-panel h2,
.lab-result h2,
.lab-context h2 {
    font-family: var(--font-display);
    color: var(--color-text-body);
}

.incident-panel > h2 {
    margin-bottom: 0.65rem;
    font-size: 1.65rem;
    line-height: 1.3;
}

.incident-brief {
    color: var(--color-text-muted);
    font-size: 0.96rem;
    line-height: 1.7;
}

.incident-evidence {
    margin-top: 1.6rem;
    padding: 1rem 1.1rem;
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: 10px;
}

.incident-evidence h3 {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.65rem;
    color: var(--color-text-body);
    font-family: var(--font-code);
    font-size: 0.74rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.incident-evidence h3 i {
    color: var(--color-primary);
}

.incident-evidence ul {
    padding-left: 1.2rem;
    color: #374151;
    font-size: 0.88rem;
    line-height: 1.65;
}

.incident-evidence li + li {
    margin-top: 0.3rem;
}

.incident-evidence li::marker {
    color: var(--color-primary);
}

.incident-config {
    overflow: hidden;
    margin-top: 1rem;
    background: var(--color-code-bg);
    border-radius: 10px;
}

.incident-config-title {
    padding: 0.58rem 0.9rem;
    color: #9ca3af;
    background: rgba(0, 0, 0, 0.18);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    font-family: var(--font-code);
    font-size: 0.68rem;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.incident-config pre {
    overflow-x: auto;
    padding: 1rem;
    color: #d1fae5;
    font-family: var(--font-code);
    font-size: 0.78rem;
    line-height: 1.6;
    white-space: pre;
}

.topology {
    margin-top: 1rem;
    padding: 0.9rem;
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: 10px;
}

.topology-label {
    margin-bottom: 0.7rem;
    color: var(--color-text-muted);
    font-size: 0.7rem;
    font-weight: 800;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.topology-flow {
    display: flex;
    align-items: stretch;
    gap: 0.45rem;
}

.topology-node {
    display: flex;
    flex: 1 1 0;
    min-width: 0;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 0.45rem;
    text-align: center;
    background: #f9fafb;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    transition: background 0.3s ease, border-color 0.3s ease, transform 0.3s ease;
}

.topology-node strong {
    margin-top: 0.32rem;
    font-size: 0.77rem;
    line-height: 1.25;
}

.topology-node span {
    margin-top: 0.1rem;
    overflow-wrap: anywhere;
    color: var(--color-text-muted);
    font-family: var(--font-code);
    font-size: 0.6rem;
    line-height: 1.3;
}

.topology-icon {
    color: var(--color-text-muted);
    font-size: 1rem;
}

.topology-arrow {
    align-self: center;
    flex: 0 0 auto;
    color: #9ca3af;
    font-size: 0.65rem;
}

.topology-node.is-source {
    color: var(--color-primary-dark);
    background: #ecfdf5;
    border-color: #a7f3d0;
}

.topology-node.is-source .topology-icon {
    color: var(--color-primary);
}

.topology-node.is-danger {
    background: #fff7f7;
    border-color: #fecaca;
}

.topology-node.is-danger .topology-icon {
    color: #dc2626;
}

.topology-node.is-success {
    background: #ecfdf5;
    border-color: #6ee7b7;
    transform: translateY(-2px);
}

.topology-node.is-success .topology-icon {
    color: var(--color-primary);
}

.topology-node.is-muted {
    opacity: 0.62;
}

.response-panel {
    display: flex;
    flex-direction: column;
    background: #fff;
}

.response-kicker {
    margin-bottom: 0.8rem;
    color: var(--color-primary);
    font-family: var(--font-code);
    font-size: 0.72rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.response-panel > h2 {
    font-size: 1.5rem;
    line-height: 1.4;
}

.response-hint {
    margin-top: 0.5rem;
    color: var(--color-text-muted);
    font-size: 0.82rem;
}

.response-options {
    display: flex;
    flex-direction: column;
    gap: 0.7rem;
    margin-top: 1.35rem;
}

.response-option {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    width: 100%;
    padding: 0.85rem 0.9rem;
    color: var(--color-text-body);
    text-align: left;
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: 9px;
    cursor: pointer;
    font-family: var(--font-body);
    font-size: 0.9rem;
    line-height: 1.45;
    transition: transform 0.15s ease, border-color 0.15s ease, background 0.15s ease;
}

.response-option:hover:not(:disabled),
.response-option:focus-visible {
    background: #f0fdf9;
    border-color: var(--color-primary);
    outline: none;
    transform: translateX(3px);
}

.response-option:disabled {
    cursor: default;
}

.response-option-key {
    display: inline-flex;
    flex: 0 0 28px;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    color: var(--color-text-muted);
    background: #f9fafb;
    border: 1px solid var(--color-border);
    border-radius: 6px;
    font-family: var(--font-code);
    font-size: 0.75rem;
    font-weight: 700;
}

.response-option.is-correct {
    color: #065f46;
    background: #ecfdf5;
    border-color: var(--color-primary);
}

.response-option.is-correct .response-option-key {
    color: #fff;
    background: var(--color-primary);
    border-color: var(--color-primary);
}

.response-option.is-wrong {
    color: #991b1b;
    background: #fef2f2;
    border-color: #ef4444;
}

.response-option.is-wrong .response-option-key {
    color: #fff;
    background: #dc2626;
    border-color: #dc2626;
}

.response-feedback {
    margin-top: 1.2rem;
    padding: 1rem;
    background: #f9fafb;
    border: 1px solid var(--color-border);
    border-left-width: 4px;
    border-radius: 8px;
}

.response-feedback.is-correct {
    background: #f0fdf9;
    border-color: var(--color-primary);
}

.response-feedback.is-wrong {
    background: #fffafa;
    border-color: #ef4444;
}

.response-verdict {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
    font-weight: 800;
}

.response-feedback.is-correct .response-verdict {
    color: var(--color-primary-dark);
}

.response-feedback.is-wrong .response-verdict {
    color: #b91c1c;
}

.response-feedback p,
.response-effect {
    color: #374151;
    font-size: 0.82rem;
    line-height: 1.62;
}

.response-effect {
    margin-top: 0.6rem;
    padding-top: 0.6rem;
    border-top: 1px solid rgba(107, 114, 128, 0.2);
}

.response-actions {
    display: flex;
    justify-content: flex-end;
    margin-top: auto;
    padding-top: 1.4rem;
}

.response-actions .btn-primary,
.result-actions .btn-primary,
.result-actions .btn-secondary,
.lab-context .btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.lab-result {
    padding: 3rem;
    scroll-margin-top: 7rem;
}

.result-summary {
    display: flex;
    align-items: center;
    gap: 2rem;
    max-width: 860px;
    margin: 0 auto;
}

.result-score-ring {
    position: relative;
    display: grid;
    flex: 0 0 160px;
    width: 160px;
    height: 160px;
    place-items: center;
    background: conic-gradient(var(--color-primary) calc(var(--result-pct) * 1%), #e5e7eb 0);
    border-radius: 50%;
}

.result-score-ring::before {
    position: absolute;
    width: 124px;
    height: 124px;
    background: #fff;
    border-radius: 50%;
    content: '';
}

.result-score-ring span {
    position: relative;
    color: var(--color-text-body);
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 800;
}

.result-score-ring small {
    color: var(--color-text-muted);
    font-size: 1rem;
}

.result-overline,
.lab-context-label {
    color: var(--color-primary-dark);
    font-family: var(--font-code);
    font-size: 0.7rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.result-copy h2 {
    margin-top: 0.25rem;
    font-size: 2rem;
}

.result-copy > p {
    max-width: 570px;
    margin-top: 0.5rem;
    color: var(--color-text-muted);
}

.result-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.65rem;
    margin-top: 1.3rem;
}

.result-actions .btn-primary,
.result-actions .btn-secondary {
    padding: 9px 16px;
    font-size: 0.75rem;
}

.result-breakdown {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.7rem;
    max-width: 860px;
    margin: 2rem auto 0;
    padding-top: 1.5rem;
    border-top: 1px solid var(--color-border);
}

.result-breakdown-item {
    display: flex;
    align-items: flex-start;
    gap: 0.7rem;
    padding: 0.75rem;
    background: #f9fafb;
    border-radius: 8px;
}

.result-breakdown-item > i {
    margin-top: 0.18rem;
}

.result-breakdown-item.is-correct > i {
    color: var(--color-primary);
}

.result-breakdown-item.is-wrong > i {
    color: #dc2626;
}

.result-breakdown-item strong,
.result-breakdown-item span {
    display: block;
}

.result-breakdown-item strong {
    font-size: 0.82rem;
}

.result-breakdown-item span {
    margin-top: 0.12rem;
    color: var(--color-text-muted);
    font-size: 0.72rem;
    line-height: 1.4;
}

.lab-noscript {
    margin-top: 1rem;
    padding: 1rem;
    color: #92400e;
    background: #fffbeb;
    border: 1px solid #fde68a;
    border-radius: 8px;
}

.lab-context {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
    margin-top: 2rem;
    padding: 2rem;
    background: #ecfdf5;
    border: 1px solid #a7f3d0;
    border-radius: 14px;
}

.lab-context h2 {
    margin-top: 0.2rem;
    font-size: 1.45rem;
}

.lab-context p {
    max-width: 760px;
    margin-top: 0.35rem;
    color: #4b5563;
    font-size: 0.9rem;
}

.lab-context .btn-secondary {
    flex: 0 0 auto;
    background: #fff;
    white-space: nowrap;
}

@media (max-width: 960px) {
    .lab-grid {
        grid-template-columns: 1fr;
    }

    .incident-panel {
        border-right: 0;
        border-bottom: 1px solid var(--color-border);
    }

    .response-actions {
        margin-top: 0;
    }
}

@media (max-width: 700px) {
    .lab-hero {
        padding: 7.5rem 0 3.5rem;
    }

    .lab-hero h1 {
        font-size: 2.35rem;
    }

    .lab-page {
        padding: 2rem 0 3.5rem;
    }

    .lab-toolbar {
        align-items: flex-start;
        padding: 0.9rem 1rem;
    }

    .lab-score {
        font-size: 0.67rem;
    }

    .incident-panel,
    .response-panel,
    .lab-result {
        padding: 1.25rem;
    }

    .topology-flow {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .topology-arrow {
        display: none;
    }

    .result-summary {
        flex-direction: column;
        align-items: flex-start;
    }

    .result-score-ring {
        align-self: center;
    }

    .result-breakdown {
        grid-template-columns: 1fr;
    }

    .lab-context {
        align-items: flex-start;
        flex-direction: column;
        padding: 1.4rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    .lab-progress-bar,
    .topology-node,
    .response-option,
    .lab-back {
        transition: none;
    }
}