/**
 * Kalkulator procentow — structural layout.
 */

/* ── Container ── */

.pct-wrap {
    display: flex;
    flex-direction: column;
    gap: var(--space-l, 1.75rem);
}

/* ── Card ── */

.pct-card {
    padding: var(--space-m, 1.25rem);
    border-radius: var(--radius-lg, 10px);
    border: 1px solid var(--border-color, #e5e7eb);
    background: var(--surface, #fff);
}

.pct-card-title {
    font-size: var(--font-size-lg, 1.1rem);
    font-weight: 700;
    color: var(--heading-color, #1f2937);
    margin: 0 0 var(--space-m, 1rem) 0;
}

/* Variation page: card has no border/padding — single-tool.php provides h1 */
.pct-wrap:not([data-op=""]) .pct-card {
    padding: 0;
    border: none;
    border-radius: 0;
    background: transparent;
}

/* ── Form row ── */

.pct-card-form {
    display: flex;
    gap: var(--space-s, 0.75rem);
    align-items: flex-end;
    flex-wrap: wrap;
}

/* Variation page: stack fields vertically */
.pct-wrap:not([data-op=""]) .pct-card-form {
    flex-direction: column;
    align-items: stretch;
}

/* ── Field ── */

.pct-field {
    flex: 1;
    min-width: 120px;
    display: flex;
    flex-direction: column;
    gap: var(--space-xs, 0.25rem);
}

.pct-label {
    font-size: var(--font-size-sm, 0.85rem);
    font-weight: 600;
    color: var(--heading-color, #1f2937);
}

.pct-input {
    padding: var(--space-xs, 0.5rem) var(--space-s, 0.75rem);
    border: 1px solid var(--border-color, #d1d5db);
    border-radius: var(--radius-md, 6px);
    font-size: var(--font-size-base, 1rem);
    background: var(--surface, #fff);
    color: var(--text-primary, #1f2937);
    width: 100%;
    box-sizing: border-box;
    transition: border-color 0.15s;
}

.pct-input:focus {
    outline: none;
    border-color: var(--primary, #3b82f6);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

/* ── Result panel ── */

.pct-card-result {
    margin-top: var(--space-m, 1rem);
    padding: var(--space-m, 1rem);
    border-radius: var(--radius-md, 8px);
    background: var(--surface-alt, #f9fafb);
    border: 1px solid var(--border-color, #e5e7eb);
}

.pct-result-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-xs, 0.4rem) 0;
}

.pct-result-row + .pct-result-row {
    border-top: 1px solid var(--border-color, #f3f4f6);
}

.pct-result-label {
    font-size: var(--font-size-sm, 0.9rem);
    color: var(--text-secondary, #6b7280);
}

.pct-result-value {
    font-weight: 700;
    font-size: var(--font-size-lg, 1.1rem);
    color: var(--heading-color, #1f2937);
    font-variant-numeric: tabular-nums;
}

.pct-result-row--primary .pct-result-value {
    font-size: 1.4rem;
}

/* ── Formula note ── */

.pct-formula {
    font-size: var(--font-size-xs, 0.8rem);
    color: var(--text-secondary, #6b7280);
    opacity: 0.7;
    font-style: italic;
    margin: var(--space-xs, 0.5rem) 0 0;
}

.pct-wrap:not([data-op=""]) .pct-formula {
    font-size: var(--font-size-sm, 0.9rem);
    opacity: 0.8;
}

/* ── Related operations nav ── */

.pct-related {
    margin-top: var(--space-l, 2rem);
    padding-top: var(--space-m, 1.5rem);
    border-top: 2px solid var(--border-color, #e5e7eb);
}

.pct-related h3 {
    font-size: var(--font-size-base, 1rem);
    font-weight: 600;
    color: var(--heading-color, #1f2937);
    margin: 0 0 var(--space-s, 0.75rem);
}

.pct-related ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xs, 0.5rem);
}

.pct-related li a {
    display: inline-block;
    padding: var(--space-xs, 0.35rem) var(--space-s, 0.75rem);
    border: 1px solid var(--border-color, #e5e7eb);
    border-radius: var(--radius-md, 6px);
    font-size: var(--font-size-sm, 0.85rem);
    text-decoration: none;
    color: var(--text-primary, #374151);
    transition: background-color 0.15s, border-color 0.15s;
}

.pct-related li a:hover {
    background: var(--surface-alt, #f3f4f6);
    border-color: var(--primary, #3b82f6);
}

/* ── Responsive ── */

@media (max-width: 600px) {
    .pct-card-form {
        flex-direction: column;
        align-items: stretch;
    }

    .pct-field {
        min-width: 0;
    }
}