/* 5/3/1 Strength Program Calculator — app styles (issue #41).
 * Design tokens only (public/assets/css/main.css); no hard-coded colors.
 */

.p531-container {
    max-width: var(--app-container-max);
    margin: 0 auto;
}

.p531-app {
    display: flex;
    flex-direction: column;
    gap: var(--space-8);
    padding: var(--space-8) 0;
}

.p531-section-title {
    margin: 0 0 var(--space-4);
    font-size: var(--font-size-xl);
    line-height: var(--line-height-tight);
    color: var(--color-text);
}

/* --- restore notice (F9) ---------------------------------------------- */

.p531-restore {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-bg-alt);
    color: var(--color-text);
}

.p531-restore p {
    margin: 0;
}

/* The hidden attribute must win over the flex layout above (notice dismiss) */
.p531-restore[hidden] {
    display: none;
}

.p531-restore-dismiss {
    flex-shrink: 0;
}

/* --- inputs (F1/F2) ------------------------------------------------------ */

.p531-global-controls {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--space-4);
    margin-bottom: var(--space-4);
}

.p531-field {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
}

.p531-field-label {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-text);
}

.p531-select,
.p531-input {
    width: 100%;
    padding: var(--space-2) var(--space-3);
    font-size: var(--font-size-base);
    color: var(--color-text);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border-dark);
    border-radius: var(--radius-md);
}

.p531-select:hover,
.p531-input:hover {
    border-color: var(--color-primary-light);
}

.p531-select:focus-visible,
.p531-input:focus-visible,
.p531-btn:focus-visible,
.p531-tab-btn:focus-visible,
#view-perlift:focus-visible,
#view-full:focus-visible {
    outline: none;
    box-shadow: var(--focus-ring);
}

.p531-input[aria-invalid="true"] {
    border-color: var(--color-error);
}

.p531-lift-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-4);
}

.p531-derived {
    display: block;
    min-height: 1.25em;
    margin-top: var(--space-1);
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.p531-error {
    min-height: 1.25em;
    margin: var(--space-1) 0 0;
    font-size: var(--font-size-sm);
    color: var(--color-error-text);
}

.p531-note {
    margin: var(--space-3) 0 0;
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.p531-privacy {
    margin: var(--space-3) 0 0;
    font-size: var(--font-size-sm);
    font-style: italic;
    color: var(--color-text-muted);
}

/* --- program output (F4/F5) ---------------------------------------------- */

.p531-program-controls {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-end;
    gap: var(--space-4);
    margin-bottom: var(--space-4);
}

.p531-view-toggle,
.p531-lift-tabs {
    display: inline-flex;
    gap: var(--space-1);
    padding: var(--space-1);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-bg-alt);
}

.p531-tab-btn {
    padding: var(--space-2) var(--space-3);
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-text);
    background: transparent;
    border: 0;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: background var(--transition-fast), color var(--transition-fast);
}

.p531-tab-btn:hover {
    background: var(--color-border);
}

.p531-tab-btn[aria-selected="true"] {
    background: var(--color-primary-text);
    color: var(--color-bg-card);
    font-weight: 600;
}

.p531-results {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
}

#view-perlift,
#view-full {
    overflow-x: auto;
}

.perlift-panel,
.fulllift {
    min-width: 0;
}

.fulllift h3 {
    margin: 0 0 var(--space-3);
    font-size: var(--font-size-lg);
    color: var(--color-text);
}

/* --- tables --------------------------------------------------------------- */

.cycle-table {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--font-size-sm);
}

.cycle-table caption {
    caption-side: top;
    padding: 0 0 var(--space-2);
    font-weight: 600;
    color: var(--color-text);
    text-align: left;
}

.cycle-table th,
.cycle-table td {
    padding: var(--space-2) var(--space-3);
    border: 1px solid var(--color-border);
    text-align: left;
    white-space: nowrap;
}

.cycle-table thead th {
    background: var(--color-bg-alt);
    font-weight: 600;
    color: var(--color-text);
}

.cycle-table tbody th {
    background: var(--color-bg-alt);
    font-weight: 600;
}

.weight-pct {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
}

/* Current week: border + left accent + text label (never color-only) */
.row-current {
    box-shadow: inset 3px 0 0 var(--color-primary);
}

.row-current th {
    box-shadow: inset 3px 0 0 var(--color-primary);
    font-weight: 700;
}

.row-current th::after {
    content: " · current";
    font-size: var(--font-size-xs);
    font-weight: 500;
    color: var(--color-primary-text);
}

.row-deload td,
.row-deload th {
    font-style: italic;
}

.empty-note {
    margin: 0;
    color: var(--color-text-muted);
}

.table-legend td {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
}

.last-logged td {
    font-size: var(--font-size-xs);
    color: var(--color-success-text);
}

.next-start th {
    background: var(--color-bg-alt);
}

/* --- nSuns notice (F5) ------------------------------------------------------ */

.nsuns-notice {
    padding: var(--space-4);
    border: 1px solid var(--color-warning-text);
    border-radius: var(--radius-md);
    background: var(--color-bg-alt);
    color: var(--color-text);
}

/* --- actions (F8/F9) --------------------------------------------------------- */

.p531-actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-3);
    margin-top: var(--space-6);
}

.p531-btn {
    padding: var(--space-2) var(--space-4);
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-text);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border-dark);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: background var(--transition-fast), border-color var(--transition-fast);
}

.p531-btn:hover {
    border-color: var(--color-primary-light);
    background: var(--color-bg-alt);
}

.p531-btn:active {
    background: var(--color-border);
}

.p531-btn--primary {
    color: var(--color-text-inverse);
    background: var(--color-primary);
    border-color: var(--color-primary);
}

.p531-btn--primary:hover {
    background: var(--color-primary-hover);
    border-color: var(--color-primary-hover);
}

.p531-btn--danger:hover {
    border-color: var(--color-error);
    color: var(--color-error-text);
}

.p531-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.p531-action-status {
    min-height: 1.25em;
    margin: var(--space-2) 0 0;
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-success-text);
}

/* --- print (F7: full-program view only) -------------------------------------- */

@media print {
    .skip-link,
    .site-header,
    .use-cases,
    .faq-section,
    .site-footer,
    .p531-restore,
    .p531-inputs,
    .p531-program-controls,
    .p531-actions,
    .p531-action-status,
    .p531-note,
    .p531-privacy,
    .help-panel {
        display: none !important;
    }

    #531-calculator .view-perlift {
        display: none !important;
    }

    #531-calculator .view-full {
        display: block !important;
        overflow: visible;
    }

    .cycle-table {
        font-size: 10pt;
    }
}

/* --- responsive ------------------------------------------------------------- */

@media (max-width: 767px) {
    .p531-global-controls {
        grid-template-columns: 1fr;
    }

    .p531-lift-grid {
        grid-template-columns: 1fr;
    }

    .p531-program-controls {
        flex-direction: column;
        align-items: stretch;
    }
}