/* ═══════════════════════════════════════════════════════════════════════════
   Whisk Takers — main.css
   Base styles, layout, typography, and core components.
   Color palette matches the branding in the card/box images.
   ═══════════════════════════════════════════════════════════════════════════ */

/* ─── CSS Custom Properties ─────────────────────────────────────────────── */
:root {
    /* Brand colors (from card imagery) */
    --color-purple:       #7c3aed;
    --color-purple-light: #a855f7;
    --color-purple-pale:  #f3e8ff;
    --color-orange:       #f97316;
    --color-orange-light: #fdba74;
    --color-green:        #16a34a;
    --color-red:          #dc2626;
    --color-blue:         #2563eb;

    /* Neutrals */
    --color-white:        #ffffff;
    --color-bg:           #fdf4ff;       /* very soft purple-white, matches card back */
    --color-surface:      #ffffff;
    --color-border:       #e5e7eb;
    --color-border-focus: var(--color-purple);
    --color-text:         #111827;
    --color-text-muted:   #6b7280;
    --color-text-subtle:  #9ca3af;

    /* Semantic */
    --color-success:      #16a34a;
    --color-warning:      #d97706;
    --color-danger:       #dc2626;
    --color-info:         #2563eb;

    /* Typography */
    --font-body:    system-ui, -apple-system, 'Segoe UI', sans-serif;
    --font-display: Georgia, 'Times New Roman', serif;  /* heading weight */

    /* Spacing scale */
    --space-1:  0.25rem;
    --space-2:  0.5rem;
    --space-3:  0.75rem;
    --space-4:  1rem;
    --space-5:  1.25rem;
    --space-6:  1.5rem;
    --space-8:  2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;

    /* Border radius */
    --radius-sm:  0.375rem;
    --radius-md:  0.75rem;
    --radius-lg:  1.25rem;
    --radius-xl:  2rem;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm:  0 1px 3px rgba(0,0,0,.10), 0 1px 2px rgba(0,0,0,.06);
    --shadow-md:  0 4px 12px rgba(0,0,0,.12);
    --shadow-lg:  0 10px 30px rgba(0,0,0,.14);
    --shadow-card: 0 2px 8px rgba(124,58,237,.12);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;

    /* Layout */
    --max-width: 680px;
    --nav-height: 56px;
}

/* ─── Reset / Base ───────────────────────────────────────────────────────── */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-bg);
    min-height: 100dvh;
    display: flex;
    flex-direction: column;
}

/* Ensure [hidden] always wins — prevents display:flex/grid classes from overriding it */
[hidden] { display: none !important; }

img { max-width: 100%; height: auto; display: block; }
button { cursor: pointer; font: inherit; }
a { color: var(--color-purple); }
ul, ol { list-style: none; }

/* Screen-reader only utility */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0,0,0,0);
    white-space: nowrap;
    border: 0;
}

/* Focus ring — visible for keyboard, invisible for mouse via :focus-visible */
:focus-visible {
    outline: 3px solid var(--color-border-focus);
    outline-offset: 2px;
    border-radius: var(--radius-sm);
}
:focus:not(:focus-visible) { outline: none; }

/* ─── App Shell Layout ───────────────────────────────────────────────────── */
#app-nav {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    height: var(--nav-height);
    display: flex;
    align-items: center;
    padding: 0 var(--space-4);
}

.nav-brand {
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--color-purple);
    text-decoration: none;
    margin-right: auto;
}

.nav-links {
    display: flex;
    gap: var(--space-2);
}

.nav-link {
    background: none;
    border: none;
    color: var(--color-text-muted);
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    transition: color var(--transition-fast), background var(--transition-fast);
}
.nav-link:hover { color: var(--color-text); background: var(--color-bg); }
.nav-link--active, .nav-link[aria-current="page"] {
    color: var(--color-purple);
    font-weight: 600;
}

#app-main {
    flex: 1;
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: var(--space-6) var(--space-4);
    padding-bottom: calc(var(--space-16) + env(safe-area-inset-bottom));
}

/* ─── Typography ─────────────────────────────────────────────────────────── */
h1 { font-size: 1.875rem; font-weight: 800; line-height: 1.2; }
h2 { font-size: 1.375rem; font-weight: 700; line-height: 1.3; }
h3 { font-size: 1.125rem; font-weight: 600; }

.screen-subtitle {
    color: var(--color-text-muted);
    margin-top: var(--space-2);
    font-size: 1.05rem;
}

/* ─── Buttons ────────────────────────────────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-5);
    border: 2px solid transparent;
    border-radius: var(--radius-full);
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    transition:
        background-color var(--transition-fast),
        border-color var(--transition-fast),
        color var(--transition-fast),
        transform var(--transition-fast),
        box-shadow var(--transition-fast);
    white-space: nowrap;
    user-select: none;
}
.btn:active { transform: scale(0.97); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }

.btn--primary {
    background: var(--color-purple);
    color: var(--color-white);
    border-color: var(--color-purple);
}
.btn--primary:hover:not(:disabled) {
    background: #6d28d9;
    border-color: #6d28d9;
    box-shadow: 0 4px 12px rgba(124,58,237,.4);
}

.btn--secondary {
    background: var(--color-purple-pale);
    color: var(--color-purple);
    border-color: var(--color-purple-light);
}
.btn--secondary:hover:not(:disabled) {
    background: #ede9fe;
}

.btn--ghost {
    background: transparent;
    color: var(--color-text-muted);
    border-color: var(--color-border);
}
.btn--ghost:hover:not(:disabled) {
    background: var(--color-bg);
    color: var(--color-text);
    border-color: #d1d5db;
}

.btn--danger {
    background: transparent;
    color: var(--color-danger);
    border-color: var(--color-danger);
}
.btn--danger:hover:not(:disabled) {
    background: #fee2e2;
}

.btn--link {
    background: none;
    border: none;
    color: var(--color-purple);
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-sm);
    font-weight: 500;
}
.btn--link:hover:not(:disabled) { text-decoration: underline; }

.btn--lg  { padding: var(--space-4) var(--space-8); font-size: 1.1rem; }
.btn--sm  { padding: var(--space-2) var(--space-4); font-size: 0.875rem; }
.btn--full { width: 100%; }

/* ─── Forms ──────────────────────────────────────────────────────────────── */
.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    margin-bottom: var(--space-5);
}

label {
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--color-text);
}

input[type="text"],
input[type="email"],
input[type="password"],
textarea,
select {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    font: inherit;
    font-size: 1rem;
    color: var(--color-text);
    background: var(--color-surface);
    transition: border-color var(--transition-fast);
}
input:focus, textarea:focus, select:focus {
    border-color: var(--color-purple);
    outline: none;
}
textarea { resize: vertical; min-height: 80px; }

.field-hint {
    font-size: 0.825rem;
    color: var(--color-text-muted);
}

.form-error {
    padding: var(--space-3) var(--space-4);
    background: #fee2e2;
    border: 1px solid #fca5a5;
    border-radius: var(--radius-md);
    color: var(--color-danger);
    font-size: 0.9rem;
    margin-bottom: var(--space-4);
}

.form-actions {
    display: flex;
    gap: var(--space-3);
    flex-wrap: wrap;
    margin-top: var(--space-4);
}

/* File input */
input[type="file"] {
    padding: var(--space-2);
    border: 2px dashed var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-bg);
    cursor: pointer;
}
input[type="file"]:hover { border-color: var(--color-purple-light); }

/* ─── Home Screen ────────────────────────────────────────────────────────── */
.home-screen {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: var(--space-8);
    padding: var(--space-8) 0;
}

.home-hero {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-3);
}

.home-title {
    font-size: 2.5rem;
    font-weight: 900;
    letter-spacing: -0.02em;
}

.home-tagline {
    font-size: 1.2rem;
    color: var(--color-text-muted);
    font-style: italic;
}

.home-greeting {
    color: var(--color-text-muted);
    font-size: 1rem;
}

/* Decorative color wheel logo */
.logo-wheel {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    background: conic-gradient(
        #7c3aed 0deg 30deg,
        #4f46e5 30deg 60deg,
        #2563eb 60deg 90deg,
        #0891b2 90deg 120deg,
        #16a34a 120deg 150deg,
        #65a30d 150deg 180deg,
        #ca8a04 180deg 210deg,
        #f97316 210deg 240deg,
        #dc2626 240deg 270deg,
        #db2777 270deg 300deg,
        #9333ea 300deg 330deg,
        #7c3aed 330deg 360deg
    );
    border: 4px solid var(--color-purple);
    box-shadow: var(--shadow-md);
}

.home-actions {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    width: 100%;
    max-width: 360px;
}

.home-nav {
    display: flex;
    gap: var(--space-4);
    justify-content: center;
}

/* ─── Difficulty Screen ──────────────────────────────────────────────────── */
.difficulty-screen { text-align: center; }
.difficulty-screen h1 { margin-bottom: var(--space-2); }

.difficulty-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: var(--space-4);
    margin-top: var(--space-8);
}

.difficulty-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-8) var(--space-5);
    background: var(--color-surface);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-lg);
    text-align: center;
    cursor: pointer;
    transition:
        border-color var(--transition-fast),
        box-shadow var(--transition-fast),
        transform var(--transition-fast);
    position: relative;
}
.difficulty-card:hover { border-color: var(--color-purple); box-shadow: var(--shadow-card); }
.difficulty-card:active { transform: scale(0.97); }
.difficulty-card--easy { border-color: var(--color-purple-light); }

.difficulty-card--locked {
    opacity: 0.6;
    cursor: not-allowed;
}
.difficulty-card--locked:hover {
    border-color: var(--color-border);
    box-shadow: none;
    cursor: pointer;
}

.difficulty-icon { font-size: 2.5rem; }
.difficulty-card h2 { font-size: 1.2rem; }
.difficulty-card p  { font-size: 0.875rem; color: var(--color-text-muted); }

.difficulty-badge {
    position: absolute;
    top: var(--space-3);
    right: var(--space-3);
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-full);
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}
.difficulty-badge--free { background: #dcfce7; color: #166534; }
.difficulty-badge--paid { background: var(--color-purple-pale); color: var(--color-purple); }

/* ─── Category Selection ─────────────────────────────────────────────────── */
.category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: var(--space-3);
    margin: var(--space-6) 0;
}

.category-checkbox {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    padding: var(--space-5);
    background: var(--color-surface);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}
.category-checkbox:has(input:checked) {
    border-color: var(--cat-color, var(--color-purple));
    background: color-mix(in srgb, var(--cat-color, var(--color-purple)) 8%, var(--color-white));
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--cat-color, var(--color-purple)) 25%, transparent);
}
.category-checkbox input { display: none; }
.category-checkbox__label {
    font-weight: 700;
    color: var(--cat-color, var(--color-text));
}
.category-checkbox__desc { font-size: 0.8rem; color: var(--color-text-muted); }

.selection-count {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    margin-bottom: var(--space-4);
    text-align: center;
}

/* ─── Cards Grid (Game Screen) ───────────────────────────────────────────── */
.game-screen {}

.game-header {
    text-align: center;
    margin-bottom: var(--space-6);
}

.game-title { margin-bottom: var(--space-2); }

.reshuffle-counter {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    font-weight: 500;
}

.reshuffle-warning {
    margin-top: var(--space-3);
    padding: var(--space-3) var(--space-4);
    background: #fef3c7;
    border: 1px solid #fcd34d;
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    color: #92400e;
}

.cards-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-4);
    margin-bottom: var(--space-8);
}

@media (min-width: 500px) {
    .cards-grid { grid-template-columns: repeat(2, 1fr); }
}

.card-slot {
    background: var(--color-surface);
    border: 2px solid var(--card-color, var(--color-border));
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.card-inner {
    display: flex;
    flex-direction: column;
    height: 100%;
    padding: var(--space-4);
    gap: var(--space-3);
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-2);
}

.card-category {
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--card-color, var(--color-purple));
    padding: var(--space-1) var(--space-3);
    background: color-mix(in srgb, var(--card-color, var(--color-purple)) 12%, transparent);
    border-radius: var(--radius-full);
}

.card-badge--timer {
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--color-warning);
    background: #fef3c7;
    padding: var(--space-1) var(--space-2);
    border-radius: var(--radius-full);
}

.card-text {
    font-size: 1.05rem;
    font-weight: 500;
    line-height: 1.5;
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.card-footer { display: flex; justify-content: flex-end; }

.btn-reshuffle {
    font-size: 0.8rem;
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-full);
}
.btn-reshuffle--penalty { color: var(--color-warning); border-color: var(--color-warning); }
.btn-reshuffle--penalty:hover { background: #fef3c7; }

.game-actions {
    display: flex;
    justify-content: center;
    padding: var(--space-4) 0;
}

/* Kid input field inside a card */
.kid-input-field {
    width: 100%;
    padding: var(--space-2) var(--space-3);
    border: 2px solid var(--card-color, var(--color-border));
    border-radius: var(--radius-md);
    font: inherit;
    font-size: 1rem;
}

/* ─── Cooking Screen ─────────────────────────────────────────────────────── */
.cooking-screen { display: flex; flex-direction: column; gap: var(--space-6); }
.cooking-screen h1 { text-align: center; }

.cooking-prompts {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.cooking-prompt {
    display: flex;
    align-items: baseline;
    gap: var(--space-3);
    padding: var(--space-4);
    background: var(--color-surface);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
}

.cooking-prompt__category {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-purple);
    white-space: nowrap;
    min-width: 80px;
}

.cooking-prompt__text {
    font-size: 1rem;
    font-weight: 500;
}

.cooking-actions {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    align-items: stretch;
}

/* ─── Timer Banner ───────────────────────────────────────────────────────── */
.timer-banner {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-5);
    background: #fef3c7;
    border: 2px solid #fcd34d;
    border-radius: var(--radius-lg);
    font-weight: 700;
    font-size: 1.1rem;
    color: #92400e;
}

.timer-display {
    font-size: 2rem;
    font-variant-numeric: tabular-nums;
    font-weight: 800;
    font-family: var(--font-body);
}

.timer--warning .timer-banner { background: #ffedd5; border-color: #fb923c; color: #9a3412; }
.timer--danger  .timer-banner { background: #fee2e2; border-color: #f87171; color: var(--color-danger); }

/* ─── Save Meal Screen ───────────────────────────────────────────────────── */
.save-meal-screen h1 { margin-bottom: var(--space-4); }

.prompt-pills-row {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    margin-bottom: var(--space-6);
}

.prompt-pill {
    display: inline-block;
    padding: var(--space-1) var(--space-3);
    background: color-mix(in srgb, var(--cat-color, var(--color-purple)) 10%, var(--color-white));
    color: var(--cat-color, var(--color-purple));
    border: 1px solid color-mix(in srgb, var(--cat-color, var(--color-purple)) 30%, transparent);
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: 600;
}

.photo-preview { margin-top: var(--space-3); }
.photo-preview__img {
    max-height: 200px;
    border-radius: var(--radius-md);
    object-fit: cover;
}

/* ─── Meals Gallery ──────────────────────────────────────────────────────── */
.meals-screen {}

.meals-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-6);
    flex-wrap: wrap;
    gap: var(--space-3);
}

.meals-count { color: var(--color-text-muted); font-weight: 400; font-size: 1rem; }

.meals-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--space-5);
}

.meal-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    transition: box-shadow var(--transition-fast), transform var(--transition-fast);
}
.meal-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }

.meal-card__photo-wrap { height: 160px; overflow: hidden; background: var(--color-bg); }
.meal-card__photo { width: 100%; height: 100%; object-fit: cover; }
.meal-card__photo-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
}

.meal-card__body {
    padding: var(--space-4);
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    flex: 1;
}

.meal-card__title { font-size: 1.05rem; }
.meal-card__date  { font-size: 0.8rem; color: var(--color-text-muted); }

.meal-card__prompts {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
    font-size: 0.8rem;
    color: var(--color-text-muted);
    border-top: 1px solid var(--color-border);
    padding-top: var(--space-2);
    margin-top: auto;
}

.meal-card__actions {
    display: flex;
    gap: var(--space-2);
    justify-content: flex-end;
    margin-top: var(--space-2);
}

.empty-state {
    text-align: center;
    padding: var(--space-16) 0;
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
    align-items: center;
    color: var(--color-text-muted);
}

/* ─── Settings Screen ────────────────────────────────────────────────────── */
.settings-screen {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
}

.settings-section {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-5);
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.settings-section h2 { font-size: 1rem; color: var(--color-text-muted); text-transform: uppercase; letter-spacing: 0.07em; }

.settings-plan { font-size: 0.9rem; }

.toggle-label {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
    cursor: pointer;
}

.toggle-btn {
    position: relative;
    width: 52px;
    height: 28px;
    background: var(--color-border);
    border: none;
    border-radius: var(--radius-full);
    transition: background var(--transition-fast);
    flex-shrink: 0;
}
.toggle-btn::after {
    content: '';
    position: absolute;
    top: 3px;
    left: 3px;
    width: 22px;
    height: 22px;
    background: var(--color-white);
    border-radius: 50%;
    transition: transform var(--transition-fast);
    box-shadow: var(--shadow-sm);
}
.toggle-btn[aria-checked="true"] {
    background: var(--color-purple);
}
.toggle-btn[aria-checked="true"]::after {
    transform: translateX(24px);
}

/* ─── Auth Screen ────────────────────────────────────────────────────────── */
.auth-screen {
    max-width: 420px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: var(--space-5);
}

.auth-screen h1 { text-align: center; }

.auth-tabs {
    display: flex;
    border-bottom: 2px solid var(--color-border);
}

.auth-tab {
    flex: 1;
    padding: var(--space-3);
    background: none;
    border: none;
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-text-muted);
    border-bottom: 3px solid transparent;
    margin-bottom: -2px;
    transition: color var(--transition-fast), border-color var(--transition-fast);
}
.auth-tab--active, .auth-tab[aria-selected="true"] {
    color: var(--color-purple);
    border-bottom-color: var(--color-purple);
}

/* ─── Modal ──────────────────────────────────────────────────────────────── */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: flex-end;
    justify-content: center;
    z-index: 1000;
    padding: var(--space-4);
}

@media (min-width: 480px) {
    .modal-overlay { align-items: center; }
}

.modal {
    background: var(--color-surface);
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
    padding: var(--space-8) var(--space-6);
    width: 100%;
    max-width: 500px;
    max-height: 90dvh;
    overflow-y: auto;
    position: relative;
    box-shadow: var(--shadow-lg);
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

@media (min-width: 480px) {
    .modal { border-radius: var(--radius-xl); }
}

.modal__close {
    position: absolute;
    top: var(--space-4);
    right: var(--space-4);
    background: var(--color-bg);
    border: none;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    font-size: 1rem;
    color: var(--color-text-muted);
    display: flex;
    align-items: center;
    justify-content: center;
}
.modal__close:hover { background: var(--color-border); color: var(--color-text); }

.modal--meal { max-width: 640px; }
.modal--meal .meal-detail__photos { display: flex; gap: var(--space-3); flex-wrap: wrap; }
.modal--meal .meal-detail__photo  { width: 100%; max-height: 300px; object-fit: cover; border-radius: var(--radius-md); }
.modal--meal .meal-detail__text   { white-space: pre-wrap; font: inherit; font-size: 0.95rem; }
.modal--meal h3 { margin-top: var(--space-2); }
.modal--meal .meal-detail__prompts { background: var(--color-bg); border-radius: var(--radius-md); padding: var(--space-4); }
.modal--meal .meal-detail__prompts li { font-size: 0.9rem; padding: var(--space-1) 0; }

/* ─── Upgrade modal ──────────────────────────────────────────────────────── */
.upgrade-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}
.upgrade-list li::before { content: '✓ '; color: var(--color-success); font-weight: 700; }
.upgrade-cta-note { font-size: 0.85rem; color: var(--color-text-muted); text-align: center; }

/* ─── Badges ─────────────────────────────────────────────────────────────── */
.badge {
    display: inline-block;
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}
.badge--free { background: #dcfce7; color: #166534; }
.badge--paid { background: var(--color-purple-pale); color: var(--color-purple); }

/* ─── Toast Notifications ────────────────────────────────────────────────── */
.toast-container {
    position: fixed;
    bottom: calc(var(--space-6) + env(safe-area-inset-bottom));
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    z-index: 2000;
    pointer-events: none;
    width: min(90vw, 380px);
}

.toast {
    padding: var(--space-3) var(--space-5);
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 0.9rem;
    text-align: center;
    box-shadow: var(--shadow-md);
    opacity: 0;
    transform: translateY(12px) scale(0.95);
    transition: opacity var(--transition-base), transform var(--transition-base);
    pointer-events: auto;
}
.toast--visible { opacity: 1; transform: translateY(0) scale(1); }

.toast--info    { background: #1e40af; color: #fff; }
.toast--success { background: var(--color-success); color: #fff; }
.toast--warning { background: var(--color-warning); color: #fff; }
.toast--error   { background: var(--color-danger); color: #fff; }

/* ═══════════════════════════════════════════════════════════════════════════
   RESPONSIVE & MOBILE
   Breakpoints (mobile-first overrides, largest → smallest):
     640px  tablet / large phone landscape
     480px  standard phone portrait
     375px  small phone (iPhone SE 2nd gen)
     320px  very small phone
   ═══════════════════════════════════════════════════════════════════════════ */

/* ─── Touch targets — raise all interactive elements to 44 px min ──────── */
.btn           { min-height: 44px; }
.nav-link      { min-height: 44px; }
.auth-tab      { min-height: 44px; }
.toggle-btn    { min-height: 44px; }
.modal__close  { width: 44px; height: 44px; }

/* ─── Mobile bottom tab bar ─────────────────────────────────────────────── */
/*
 * On mobile the four .nav-links buttons are repositioned into a fixed
 * bottom tab bar.  The brand stays in the slimmed-down top header.
 */
:root {
    --mobile-bottom-nav-height: 56px;
}

@media (max-width: 640px) {
    /* Slim the top header — just shows the brand */
    :root { --nav-height: 48px; }

    #app-nav {
        padding: 0 var(--space-4);
        justify-content: center;
    }

    .nav-brand {
        margin-right: 0;
        font-size: 1rem;
    }

    /* Detach links from top nav → stick to bottom */
    .nav-links {
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        z-index: 200;
        background: var(--color-surface);
        border-top: 1px solid var(--color-border);
        box-shadow: 0 -2px 8px rgba(0,0,0,.08);
        padding: 0;
        padding-bottom: env(safe-area-inset-bottom);
        justify-content: space-around;
        gap: 0;
        height: calc(var(--mobile-bottom-nav-height) + env(safe-area-inset-bottom));
        align-items: stretch;
    }

    .nav-link {
        flex: 1;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 3px;
        padding: var(--space-1) var(--space-2);
        font-size: 0.625rem;
        letter-spacing: 0.02em;
        border-radius: 0;
        min-height: 0; /* let parent height drive it */
        white-space: nowrap;
    }

    /* Icon placed above label text */
    .nav-link[data-route="home"]::before         { content: '⊞'; font-style: normal; font-size: 1.15rem; line-height: 1; display: block; }
    .nav-link[data-route="instructions"]::before { content: '?'; font-style: normal; font-size: 1rem;    line-height: 1; display: block; font-weight: 800; }
    .nav-link[data-route="meals"]::before        { content: '▤'; font-style: normal; font-size: 1.15rem; line-height: 1; display: block; }
    .nav-link[data-route="settings"]::before     { content: '≡'; font-style: normal; font-size: 1.35rem; line-height: 1; display: block; }

    /* Active state: tinted icon + bold label */
    .nav-link--active,
    .nav-link[aria-current="page"] {
        color: var(--color-purple);
        background: color-mix(in srgb, var(--color-purple) 6%, transparent);
    }

    /* Main content — pad below bottom nav */
    #app-main {
        padding-bottom: calc(var(--mobile-bottom-nav-height) + var(--space-6) + env(safe-area-inset-bottom));
    }

    /* Timer sticks just below top header */
    #timer-container {
        position: sticky;
        top: var(--nav-height);
        z-index: 150;
    }

    /* Toast floats above bottom nav */
    .toast-container {
        bottom: calc(var(--mobile-bottom-nav-height) + var(--space-3) + env(safe-area-inset-bottom));
    }
}

/* ─── Fluid typography ──────────────────────────────────────────────────── */
@media (max-width: 480px) {
    h1 { font-size: clamp(1.375rem, 5.5vw, 1.875rem); }
    h2 { font-size: clamp(1.1rem,   4.5vw, 1.375rem); }

    .home-title    { font-size: clamp(1.75rem, 9vw, 2.5rem); }
    .home-tagline  { font-size: 1rem; }
    .screen-subtitle { font-size: 0.95rem; }
    .timer-display { font-size: 1.6rem; }
}

/* ─── General layout tightening ─────────────────────────────────────────── */
@media (max-width: 480px) {
    #app-main {
        padding-left:  var(--space-3);
        padding-right: var(--space-3);
    }
}

/* ─── Home screen ────────────────────────────────────────────────────────── */
@media (max-width: 480px) {
    .home-screen  { gap: var(--space-6); padding: var(--space-4) 0; }
    .logo-wheel   { width: 80px; height: 80px; }
    .home-actions { max-width: 100%; }
    .home-nav     { flex-wrap: wrap; gap: var(--space-3); }
}

/* ─── Difficulty screen ─────────────────────────────────────────────────── */
@media (max-width: 480px) {
    .difficulty-grid {
        grid-template-columns: 1fr;
        gap: var(--space-3);
        margin-top: var(--space-5);
    }

    .difficulty-card {
        padding: var(--space-5) var(--space-4);
    }

    .difficulty-icon { font-size: 2rem; }
}

/* ─── Category selection ────────────────────────────────────────────────── */
@media (max-width: 480px) {
    .category-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 340px) {
    .category-grid { grid-template-columns: 1fr; }
}

/* ─── Game / card draw screen ───────────────────────────────────────────── */
@media (max-width: 480px) {
    .cards-grid {
        grid-template-columns: 1fr;
        gap: var(--space-3);
    }

    .card-inner { padding: var(--space-3) var(--space-3); }

    /* Full-width "I'm Cooking!" CTA */
    .game-actions { padding: var(--space-2) 0; }
    .game-actions .btn { width: 100%; }

    .reshuffle-warning { font-size: 0.825rem; }
}

/* ─── Cooking screen ────────────────────────────────────────────────────── */
@media (max-width: 480px) {
    /* Stack category label above prompt text instead of inline */
    .cooking-prompt {
        flex-direction: column;
        gap: var(--space-2);
        align-items: flex-start;
    }

    .cooking-prompt__category {
        white-space: normal;
        min-width: 0;
    }

    .cooking-actions .btn { width: 100%; }
}

/* ─── Save meal screen ──────────────────────────────────────────────────── */
@media (max-width: 480px) {
    .form-actions {
        flex-direction: column;
    }
    .form-actions .btn { width: 100%; }

    .prompt-pills-row { gap: var(--space-1); }

    .photo-preview__img { max-height: 160px; }
}

/* ─── Meals gallery ─────────────────────────────────────────────────────── */
@media (max-width: 480px) {
    .meals-grid {
        grid-template-columns: 1fr;
        gap: var(--space-4);
    }

    .meals-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-2);
        margin-bottom: var(--space-4);
    }
}

/* ─── Settings screen ───────────────────────────────────────────────────── */
@media (max-width: 480px) {
    .settings-section { padding: var(--space-4); }
}

/* ─── Auth screen ───────────────────────────────────────────────────────── */
@media (max-width: 480px) {
    .auth-screen { max-width: 100%; }
}

/* ─── Modal / bottom sheet ──────────────────────────────────────────────── */
@media (max-width: 640px) {
    .modal {
        max-height: 88dvh;
        padding: var(--space-6) var(--space-5);
        padding-bottom: calc(var(--space-6) + env(safe-area-inset-bottom));
    }
}

/* ─── Instructions screen ───────────────────────────────────────────────── */
@media (max-width: 480px) {
    .instructions-section {
        padding: var(--space-4);
    }

    /* Mode table: tighten first column */
    .mode-row {
        grid-template-columns: 80px 1fr auto;
        gap: var(--space-2);
        padding: var(--space-3);
        font-size: 0.85rem;
    }
    .mode-row--header { font-size: 0.7rem; }

    /* Category list: stack badge on its own row */
    .category-list__item {
        grid-template-columns: 1fr;
        grid-template-rows: auto auto auto;
    }
    .category-list__item .instr-badge {
        grid-row: auto;
        grid-column: 1;
        align-self: flex-start;
        margin-top: var(--space-1);
    }

    .instructions-cta { padding-bottom: var(--space-6); }
}

/* ─── Very small phones (≤ 360px) ───────────────────────────────────────── */
@media (max-width: 360px) {
    h1             { font-size: 1.375rem; }
    .home-title    { font-size: 1.75rem; }
    .logo-wheel    { width: 70px; height: 70px; }

    #app-main {
        padding-left:  var(--space-3);
        padding-right: var(--space-3);
    }

    .difficulty-card { padding: var(--space-4) var(--space-3); }
    .difficulty-icon { font-size: 1.75rem; }

    .nav-link { font-size: 0.575rem; }
}

/* ─── Instructions Screen ────────────────────────────────────────────────── */
.instructions-screen {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
    max-width: 600px;
}

.instructions-header { text-align: center; margin-bottom: var(--space-2); }

.instructions-section {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-5) var(--space-6);
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.instructions-section h2 {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: 1.15rem;
}

.instr-icon { font-size: 1.3rem; }

.category-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.category-list__item {
    display: grid;
    grid-template-columns: 1fr auto;
    grid-template-rows: auto auto;
    align-items: start;
    gap: var(--space-1) var(--space-3);
    padding: var(--space-3) var(--space-4);
    border-left: 4px solid var(--cat-color, var(--color-purple));
    background: color-mix(in srgb, var(--cat-color, var(--color-purple)) 6%, var(--color-white));
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
}
.category-list__item strong {
    font-size: 0.95rem;
    color: var(--cat-color, var(--color-text));
}
.category-list__item span:not(.instr-badge) {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    grid-column: 1;
}
.category-list__item .instr-badge {
    grid-row: 1 / 3;
    grid-column: 2;
    align-self: center;
}

.instr-badge {
    display: inline-block;
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-full);
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    white-space: nowrap;
}
.instr-badge--free { background: #dcfce7; color: #166534; }
.instr-badge--paid { background: var(--color-purple-pale); color: var(--color-purple); }

.mode-table {
    display: flex;
    flex-direction: column;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.mode-row {
    display: grid;
    grid-template-columns: 130px 1fr auto;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
    align-items: center;
    border-bottom: 1px solid var(--color-border);
}
.mode-row:last-child { border-bottom: none; }
.mode-row--header {
    background: var(--color-bg);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.07em;
    color: var(--color-text-muted);
}

.instr-rules {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    padding-left: var(--space-5);
    list-style: disc;
    color: var(--color-text);
}
.instr-rules li { font-size: 0.95rem; }

.instructions-cta {
    display: flex;
    justify-content: center;
    padding: var(--space-4) 0 var(--space-8);
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; }
}