/* Certification page styles. Uses the brand tokens from styles.css. */

/* ── Pathway tiers ─────────────────────────────────────────────────────── */
.tier-cards {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.tier-card {
    position: relative;
}

.tier-badge {
    display: inline-block;
    margin-bottom: 0.9rem;
    padding: 0.2rem 0.75rem;
    border-radius: var(--radius-pill);
    font-family: var(--font-mono);
    font-size: 0.7rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.tier-available { border-top: 4px solid var(--color-primary-mid); }
.tier-available .tier-badge {
    background: var(--color-success-bg);
    color: var(--color-primary);
}

.tier-soon { border-top: 4px solid var(--color-border); }
.tier-soon .tier-badge {
    background: var(--color-caution-bg);
    color: var(--color-caution);
}

.tier-list {
    margin: 0.9rem 0 0 1.2rem;
    color: var(--color-text-muted);
    font-size: 0.97rem;
}

.tier-list li { margin-bottom: 0.3rem; }

.tier-follow {
    margin-top: 1rem;
    font-size: 0.93rem;
}

.tier-follow a {
    color: var(--color-primary-mid);
    font-weight: 600;
}

/* ── Exam ──────────────────────────────────────────────────────────────── */
.exam-container { max-width: 820px; }

.exam-panel {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 2rem;
    box-shadow: var(--shadow-sm);
}

.exam-intro h3,
.exam-result h3,
.cert-result h3 {
    color: var(--color-primary);
    margin-bottom: 0.75rem;
}

.exam-facts {
    margin: 0 0 1.5rem 1.2rem;
    color: var(--color-text-muted);
}

.exam-facts li { margin-bottom: 0.35rem; }

.exam-note {
    margin: 0 0 1.25rem;
    color: var(--color-text-muted);
    font-size: 0.93rem;
}

.exam-counter {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-text-muted);
    margin-bottom: 0.5rem;
}

.exam-progress {
    height: 6px;
    border-radius: var(--radius-pill);
    background: var(--color-border);
    overflow: hidden;
    margin-bottom: 1.5rem;
}

.exam-progress-bar {
    height: 100%;
    background: var(--color-primary-mid);
    transition: width var(--transition);
}

.exam-question {
    border: 0;
    padding: 0;
    margin: 0 0 1.5rem;
    min-width: 0;
}

.exam-question legend {
    color: var(--color-primary);
    font-size: 1.15rem;
    font-weight: 600;
    line-height: 1.45;
    margin-bottom: 1rem;
    padding: 0;
}

.exam-question legend:focus { outline: none; }

.exam-option {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 0.8rem 1rem;
    margin-bottom: 0.6rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: border-color var(--transition), background-color var(--transition);
}

.exam-option:hover { border-color: var(--color-hover); }

.exam-option input {
    margin-top: 0.3rem;
    accent-color: var(--color-primary-mid);
    flex-shrink: 0;
}

.exam-option:has(input:checked) {
    border-color: var(--color-primary-mid);
    background: var(--color-success-bg);
}

.exam-option:has(input:focus-visible) {
    outline: 3px solid var(--color-hover);
    outline-offset: 2px;
}

.exam-panel button.cta-button { border: 0; cursor: pointer; font-family: inherit; }

.exam-panel button.cta-button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* ── Result ────────────────────────────────────────────────────────────── */
.exam-result:focus { outline: none; }

.exam-score {
    font-family: var(--font-mono);
    font-size: 1.4rem;
    margin-bottom: 0.25rem;
}

.exam-result.passed .exam-score { color: var(--color-primary-mid); }
.exam-result.failed .exam-score { color: var(--color-risk); }

.cert-name-label {
    display: block;
    margin: 1.25rem 0 0.4rem;
    font-weight: 600;
    color: var(--color-primary);
}

.cert-name-input {
    display: block;
    width: 100%;
    max-width: 420px;
    margin-bottom: 1rem;
    padding: 0.7rem 0.9rem;
    font: inherit;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
}

.cert-name-input:focus-visible {
    outline: 3px solid var(--color-hover);
    outline-offset: 1px;
}

.cert-name-input[aria-invalid="true"] { border-color: var(--color-risk); }

.exam-result h4 {
    margin: 1.75rem 0 0.75rem;
    color: var(--color-primary);
}

.exam-review {
    margin: 0 0 1rem 1.2rem;
    color: var(--color-text-muted);
}

.exam-review li { margin-bottom: 0.9rem; }
.exam-review strong { display: block; color: var(--color-text); }
.exam-review a { color: var(--color-primary-mid); font-weight: 600; }

.exam-review .exam-source {
    display: block;
    margin-top: 0.25rem;
    font-size: 0.85rem;
}

.exam-review .exam-source a { font-weight: 400; }

.exam-panel button.exam-retake {
    display: block;
    margin-top: 1.5rem;
    background: none;
    border: 0;
    padding: 0;
    cursor: pointer;
    font-family: inherit;
    font-size: 1rem;
}

/* ── Certificate ───────────────────────────────────────────────────────── */
.cert-canvas-wrap {
    margin: 1rem 0 1.5rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.cert-canvas-wrap canvas {
    display: block;
    width: 100%;
    height: auto;
}

.cert-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.share-btn {
    display: inline-block;
    padding: 0.7rem 1.2rem;
    background: var(--color-surface);
    color: var(--color-primary);
    border: 1px solid var(--color-primary-mid);
    border-radius: var(--radius-pill);
    font: inherit;
    font-weight: 600;
    font-size: 0.93rem;
    text-decoration: none;
    cursor: pointer;
    transition: background-color var(--transition), color var(--transition);
}

.share-btn:hover,
.share-btn:focus-visible {
    background: var(--color-primary);
    color: var(--color-on-primary);
}

@media (max-width: 600px) {
    .exam-panel { padding: 1.25rem; }
    .cert-actions > * { flex: 1 1 100%; text-align: center; }
}