/* Feature — Public Price Page (recicladoradanados.com).
   F-27 redesign (2026-08-29): industrial-clean — constant slate brand band
   + single --primary accent, tabular numerals, dark via prefers-color-scheme,
   B/W print. */

.public-layout {
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
}

.public-main {
    max-width: 1100px;
    margin: 0 auto;
    padding: 1.5rem 1rem;
}

/* ── Brand band (constant slate in light + dark) ── */
.public-header {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1.5rem;
    padding: 1.25rem 1.25rem 1.1rem;
    border-radius: var(--radius);
    /* intentional: constant brand surface — white text is fixed on it
       (same approved pattern as auth.css brand panel) */
    background: var(--secondary);
    color: #fff;
    border-bottom: 3px solid var(--primary);
}

.public-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.public-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: var(--radius);
    background: var(--primary);
    color: #fff;
    flex-shrink: 0;
}

.public-brand-text {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.public-title {
    font-size: var(--fs-title-page);
    font-weight: var(--fw-title-page);
    line-height: 1.15;
    letter-spacing: -0.01em;
    margin: 0;
    color: #fff;
}

.public-slogan {
    /* intentional: white at 85% on the constant slate band */
    color: rgba(255, 255, 255, 0.85);
    font-size: var(--fs-sm);
    margin: 0;
}

.public-meta-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.75rem;
}

.public-meta {
    font-size: var(--fs-sm);
    color: rgba(255, 255, 255, 0.85);
}

.public-meta .text-secondary {
    /* intentional: light text on the constant slate band */
    color: rgba(255, 255, 255, 0.85);
}

/* ── Controls ── */
.public-controls {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.public-search {
    position: relative;
    flex: 1 1 240px;
    min-width: 200px;
}

.public-search__icon {
    position: absolute;
    left: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-secondary);
    pointer-events: none;
}

.public-search__input {
    width: 100%;
    padding: 0.625rem 0.75rem 0.625rem 2.25rem;
    /* F-27 a11y (measured): --border-color alone is 1.34:1 vs the white
       field (fails 1.4.11 3:1); this mix measures 3.24:1. */
    border: 1px solid color-mix(in srgb, var(--text-secondary) 55%, var(--border-color));
    border-radius: var(--radius);
    background: var(--bg-elevated);
    color: var(--text-primary);
    font-size: var(--fs-sm);
}

.public-search__input:focus {
    outline: none;
    border-color: var(--primary);
    /* F-27 a11y (measured): solid --primary ring = 4.83:1 */
    box-shadow: 0 0 0 2px var(--primary);
}

.category-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    flex: 1 1 auto;
}

.category-filter {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.5rem 0.875rem;
    /* F-27 a11y (measured): same 1.4.11 fix as the search field */
    border: 1px solid color-mix(in srgb, var(--text-secondary) 55%, var(--border-color));
    border-radius: var(--radius);
    background: var(--bg-elevated);
    color: var(--text-secondary);
    font-size: var(--fs-xs);
    font-weight: var(--fw-medium);
    cursor: pointer;
    transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.category-filter:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.category-filter--active {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}

.category-filter--active:hover {
    color: #fff;
}

/* ── Grid ── */
.prices-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

.price-category {
    background: var(--bg-elevated);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 1rem;
}

.price-category-title {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: var(--fs-title-section);
    font-weight: var(--fw-title);
    margin: 0 0 1rem 0;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--border-color);
    text-transform: uppercase;
    letter-spacing: 0.025em;
}

.price-category-materials {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

/* ── Card ── */
.price-card {
    display: flex;
    flex-direction: column;
    gap: 0.875rem;
    padding: 1rem;
    border-radius: var(--radius);
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    transition: transform 0.15s ease, border-color 0.15s ease;
}

.price-card:hover {
    transform: translateY(-2px);
    border-color: var(--primary);
}

.price-card--buy-only .price-material-body {
    grid-template-columns: 1fr;
}

.price-card--dual .price-material-body {
    grid-template-columns: 1fr 1fr;
}

.price-material-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.price-material-name {
    font-weight: var(--fw-semibold);
    font-size: var(--fs-sm);
    flex: 1;
}

.price-material-unit {
    color: var(--text-secondary);
    font-size: var(--fs-xs);
    text-transform: lowercase;
}

.price-material-body {
    display: grid;
    gap: 0.75rem;
}

.price-row {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    padding-left: 0.75rem;
    border-left: 3px solid var(--border-color);
}

.price-row--buy {
    border-left-color: var(--success-color);
}

.price-row--sell {
    border-left-color: var(--info-color);
}

.price-label {
    font-size: var(--fs-xs);
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.price-value {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.5rem;
    font-size: var(--fs-title-section);
    font-weight: var(--fw-bold);
    font-variant-numeric: tabular-nums;
}

/* F-27 a11y (measured): trend-toned amounts use text-safe tokens
   (--success-text 7.13:1 / --error-text ~7.6:1 light). Dark below. */
.price-value .tone-positive {
    color: var(--success-text);
}

.price-value .tone-negative {
    color: var(--error-text);
}

.price-trend {
    display: inline-flex;
    align-items: center;
    gap: 0.15rem;
    font-size: var(--fs-xs);
    font-weight: var(--fw-medium);
}

.price-trend--flat {
    color: var(--text-secondary);
}

/* ── Empty / no-results ── */
.public-empty-state,
.public-no-results {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    text-align: center;
    color: var(--text-secondary);
}

.public-empty-state {
    min-height: 240px;
}

.public-no-results {
    min-height: 200px;
}

.public-empty-state p,
.public-no-results p {
    font-size: var(--fs-sm);
    margin: 0;
}

/* ── Footer notice ── */
.public-footer {
    margin-top: 2rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
    font-size: var(--fs-xs);
    color: var(--text-secondary);
    text-align: center;
}

/* ── Dark parity (prefers-color-scheme via layouts/public) ──
   Measured: vivid --danger-color = 3.9:1 on dark cards (fails 1.4.3);
   --border-color = 1.42-1.72:1 (fails 1.4.11 3:1). Overrides lift both. */
.dark .price-value .tone-negative {
    color: color-mix(in srgb, var(--danger-color) 75%, white);
}

.dark .public-search__input,
.dark .category-filter,
.dark .price-category,
.dark .price-card {
    border-color: color-mix(in srgb, var(--text-secondary) 55%, var(--border-color));
}

.dark .price-card:hover {
    border-color: var(--primary);
}

/* ── Responsive ── */
@media (max-width: 768px) {
    .price-card--dual .price-material-body {
        grid-template-columns: 1fr;
    }
}

@media (min-width: 768px) {
    .prices-grid {
        grid-template-columns: 1fr 1fr;
    }

    .public-main {
        padding: 2rem 1.5rem;
    }
}

@media (min-width: 1024px) {
    .public-main {
        padding: 2.5rem 2rem;
    }
}

/* ── Print (B/W-friendly) ── */
@media print {
    .public-header button,
    .public-meta-actions,
    .public-controls {
        display: none !important;
    }

    .public-layout {
        background: white;
        color: black;
    }

    .public-header {
        /* intentional: neutral grays render reliably on white paper */
        background: white;
        color: black;
        border: 1px solid #ccc;
    }

    .public-title,
    .public-slogan,
    .public-meta {
        color: black;
    }

    .public-logo {
        /* intentional: outline logo on white paper */
        background: white;
        border: 1px solid #999;
    }

    .price-category {
        /* intentional: neutral grays render reliably on white paper */
        border: 1px solid #ccc;
        break-inside: avoid;
    }

    .price-card {
        background: white;
        /* intentional: subtle separator for black-and-white printing */
        border: 1px solid #ddd;
        break-inside: avoid;
    }

    .price-card:hover {
        transform: none;
        border-color: #ddd;
    }

    .public-main {
        max-width: 100%;
        padding: 0;
    }

    .public-footer {
        /* intentional: neutral grays on white paper */
        border-top: 1px solid #ccc;
        color: #333;
    }
}