/* Content Blocks & Forms — shared across all themes
   Loaded by theme layouts alongside the theme's own app.css */

/* ── Grid Layout ──────────────────────────────── */
.cb-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
}

.cb {
    min-width: 0;
    padding: 1.5rem;
}

/* Width variants */
.cb-width--full           { flex: 0 0 100%; }
.cb-width--three-quarters { flex: 0 0 calc(75% - 0.375rem); }
.cb-width--two-thirds     { flex: 0 0 calc(66.666% - 0.5rem); }
.cb-width--half           { flex: 0 0 calc(50% - 0.75rem); }
.cb-width--third          { flex: 0 0 calc(33.333% - 1rem); }
.cb-width--quarter        { flex: 0 0 calc(25% - 1.125rem); }

/* Legacy widths */
.cb-width--contained { flex: 0 0 100%; }
.cb-width--narrow    { flex: 0 0 calc(50% - 0.75rem); }

@media (max-width: 768px) {
    .cb-width--third,
    .cb-width--quarter { flex: 0 0 calc(50% - 0.75rem); }
}

@media (max-width: 480px) {
    .cb-width--half,
    .cb-width--two-thirds,
    .cb-width--three-quarters,
    .cb-width--third,
    .cb-width--quarter { flex: 0 0 100%; }
}

/* ── Theme Variants ───────────────────────────── */
.cb-theme--light {
    /* inherits page styles */
}

.cb-theme--dark {
    background: #1a1a1a;
    color: #e5e5e5;
    border-radius: 6px;
}

.cb-theme--brand {
    background: var(--color-accent, #3b82f6);
    color: #fff;
    border-radius: 6px;
}

.cb-theme--brand a { color: #fff; text-decoration: underline; }

/* ── Pull Quote ───────────────────────────────── */
.cb--pull-quote blockquote {
    margin: 0;
    padding: 0 0 0 1.25rem;
    border-left: 3px solid var(--color-accent, #3b82f6);
    font-style: italic;
    font-size: 1.15rem;
    line-height: 1.7;
    opacity: 0.85;
}

.cb--pull-quote cite {
    display: block;
    margin-top: 0.5rem;
    font-size: 0.9rem;
    font-style: normal;
    font-weight: 700;
}

/* ── Callout ──────────────────────────────────── */
.cb--callout .cb-callout {
    padding: 1rem 1.25rem;
    border-radius: 6px;
    border-left: 4px solid;
}

.cb-callout--info    { border-color: #3b82f6; background: #eff6ff; }
.cb-callout--warning { border-color: #f59e0b; background: #fffbeb; }
.cb-callout--success { border-color: #10b981; background: #ecfdf5; }
.cb-callout--tip     { border-color: #8b5cf6; background: #f5f3ff; }

.cb-callout__title {
    display: block;
    margin-bottom: 0.25rem;
    font-weight: 700;
}

/* ── Image ────────────────────────────────────── */
.cb--image figure { margin: 0; }

.cb--image img {
    max-width: 100%;
    height: auto;
    border-radius: 4px;
}

.cb--image figcaption {
    margin-top: 0.5rem;
    font-size: 0.85rem;
    opacity: 0.7;
    text-align: center;
}

/* ── CTA ──────────────────────────────────────── */
.cb--cta { text-align: center; padding: 2rem 1.5rem; }

.cb-cta__heading {
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 0 0.5rem;
}

.cb-cta__button {
    display: inline-block;
    margin-top: 1rem;
    padding: 0.6rem 1.5rem;
    background: var(--color-accent, #3b82f6);
    color: #fff;
    text-decoration: none;
    border-radius: 4px;
    font-weight: 600;
    transition: opacity 0.15s;
}

.cb-cta__button:hover { opacity: 0.85; }
.cb-cta--linked { text-decoration: none; color: inherit; }
.cb-cta--linked:hover { opacity: 0.9; }

/* ── Embed ────────────────────────────────────── */
.cb--embed iframe {
    width: 100%;
    border: none;
    border-radius: 4px;
    aspect-ratio: 16 / 9;
}

.cb--embed figcaption {
    margin-top: 0.5rem;
    font-size: 0.85rem;
    opacity: 0.7;
    text-align: center;
}

/* ── Forms ────────────────────────────────────── */
.station-form {
    max-width: 540px;
}

.form-fields {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.375rem;
}

.form-label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-text);
    letter-spacing: 0.01em;
}

.form-required {
    color: var(--color-accent, #e53e3e);
    margin-left: 0.125rem;
}

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: 0.625rem 0.875rem;
    font-size: 0.9375rem;
    font-family: var(--font-sans, system-ui, sans-serif);
    color: var(--color-text, #1a1a2e);
    background: var(--color-dropdown-bg, #fff);
    border: 1px solid var(--color-border, #e5e7eb);
    border-radius: 6px;
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s;
    -webkit-appearance: none;
    appearance: none;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    border-color: var(--color-accent, #3b82f6);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-accent, #3b82f6) 15%, transparent);
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: var(--color-text-muted, #6b7280);
    opacity: 0.6;
}

.form-textarea {
    resize: vertical;
    min-height: 120px;
}

.form-select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%236B7280' d='M1.4 0L6 4.6 10.6 0 12 1.4l-6 6-6-6z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.875rem center;
    padding-right: 2.5rem;
}

.form-choice-group {
    display: flex;
    flex-direction: column;
    gap: 0.625rem;
    margin-top: 0.25rem;
}

.form-choice {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9375rem;
    color: var(--color-text, #1a1a2e);
    cursor: pointer;
}

.form-radio,
.form-checkbox {
    width: 1.125rem;
    height: 1.125rem;
    accent-color: var(--color-accent, #3b82f6);
    cursor: pointer;
}

.form-error {
    font-size: 0.8125rem;
    color: #b91c1c;
    margin: 0.25rem 0 0;
}

.form-actions {
    margin-top: 2rem;
}

.form-submit {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.7rem 1.75rem;
    font-size: 0.9375rem;
    font-weight: 600;
    font-family: var(--font-sans, system-ui, sans-serif);
    color: #fff;
    background: var(--color-accent, #3b82f6);
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: filter 0.2s, transform 0.1s, box-shadow 0.2s;
}

.form-submit:hover {
    filter: brightness(1.1);
    box-shadow: 0 2px 8px color-mix(in srgb, var(--color-accent, #3b82f6) 30%, transparent);
}

.form-submit:active {
    transform: translateY(1px);
}

.form-alert {
    padding: 0.875rem 1rem;
    border-radius: 6px;
    font-size: 0.9375rem;
    margin-bottom: 1.5rem;
}

.form-alert ul {
    margin: 0;
    padding-left: 1.25rem;
}

.form-alert--success {
    background: #f0fdf4;
    border: 1px solid #bbf7d0;
    color: #166534;
}

.form-alert--error {
    background: #fef2f2;
    border: 1px solid #fecaca;
    color: #991b1b;
}