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

/* ── ADA / Accessibility ── */
.skip-link {
    position: absolute; top: -100%; left: 1rem;
    padding: .5rem 1rem; background: var(--accent); color: #fff;
    border-radius: 0 0 8px 8px; font-weight: 600; font-size: .85rem;
    z-index: 999; transition: top .2s;
}
.skip-link:focus { top: 0; }

*:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

:root {
    --bg: #f5f7fa;
    --bg-card: #ffffff;
    --bg-card-hover: #f0f2f8;
    --bg-elevated: #f8f9fc;
    --border: #e2e5ee;
    --border-glow: #6c5ce7;
    --text: #1a1a2e;
    --text-dim: #5a5a7a;
    --text-muted: #9090a8;
    --accent: #6c5ce7;
    --accent-light: #5b4bd4;
    --accent-glow: rgba(108, 92, 231, 0.18);
    --green: #00a884;
    --green-dim: rgba(0, 168, 132, 0.1);
    --orange: #e0980c;
    --orange-dim: rgba(224, 152, 12, 0.1);
    --red: #d63031;
    --red-dim: rgba(214, 48, 49, 0.08);
    --cyan: #0097a7;
    --radius: 12px;
    --radius-sm: 8px;
    --shadow: 0 2px 12px rgba(0,0,0,0.06);
    --shadow-glow: 0 4px 20px rgba(108, 92, 231, 0.12);
    --transition: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

html { font-size: 15px; scroll-behavior: smooth; }
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
}

a { color: var(--accent); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--accent); }

/* ── Navbar ── */
.navbar {
    display: flex; align-items: center; justify-content: space-between;
    padding: 1rem 2rem;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    position: sticky; top: 0; z-index: 100;
}

.nav-brand {
    display: flex; align-items: center; gap: .6rem;
    font-size: 1.25rem; font-weight: 700; color: var(--text);
}
.brand-icon { font-size: 1.5rem; }
.brand-text {
    background: linear-gradient(135deg, var(--accent), var(--cyan));
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}

.nav-links { display: flex; gap: 1rem; align-items: center; }
.nav-link {
    color: var(--text-dim); font-weight: 500; font-size: .9rem;
    padding: .5rem 1rem; border-radius: var(--radius-sm);
    transition: all var(--transition);
}
.nav-link:hover { color: var(--text); background: var(--bg-elevated); }

/* ── Container ── */
.container { max-width: 1100px; margin: 0 auto; padding: 2rem; }

/* ── Hero ── */
.hero { text-align: center; padding: 3rem 0 2rem; }
.hero-title {
    font-size: 2.5rem; font-weight: 800; letter-spacing: -0.03em;
    background: linear-gradient(135deg, var(--text) 0%, var(--accent) 100%);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.hero-sub { color: var(--text-dim); margin-top: .5rem; font-size: 1.1rem; }

/* ── Cards ── */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    transition: all var(--transition);
    position: relative;
    overflow: hidden;
}
.card:hover {
    background: var(--bg-card-hover);
    border-color: var(--accent);
    box-shadow: var(--shadow-glow);
    transform: translateY(-2px);
}
.card-body { padding: 1.25rem; }
.card-title { font-size: 1.15rem; font-weight: 600; margin-bottom: .3rem; }
.card-meta { color: var(--text-dim); font-size: .85rem; }
.card-notes { color: var(--text-muted); font-size: .85rem; margin-top: .5rem; }
.card-arrow {
    position: absolute; right: 1.25rem; top: 50%; transform: translateY(-50%);
    font-size: 1.3rem; color: var(--text-muted);
    transition: all var(--transition);
}
.card:hover .card-arrow { color: var(--accent); transform: translateY(-50%) translateX(4px); }
.card-accent {
    position: absolute; top: 0; left: 0; width: 4px; height: 100%;
    background: linear-gradient(180deg, var(--accent), var(--cyan));
    opacity: 0; transition: opacity var(--transition);
}
.card:hover .card-accent { opacity: 1; }

/* ── Card Grid ── */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1rem;
}

/* ── Chips ── */
.diner-chips { display: flex; flex-wrap: wrap; gap: .4rem; margin-top: .75rem; }
.chip {
    padding: .2rem .65rem; border-radius: 20px; font-size: .75rem; font-weight: 500;
    background: var(--bg-elevated); color: var(--text-dim); border: 1px solid var(--border);
}
.chip-primary { background: var(--accent-glow); color: var(--accent); border-color: var(--accent); }

/* ── Badges ── */
.badge {
    display: inline-block; padding: .15rem .6rem; border-radius: 20px;
    font-size: .7rem; font-weight: 600; text-transform: uppercase; letter-spacing: .05em;
    background: var(--accent-glow); color: var(--accent);
}
.badge-draft { background: var(--orange-dim); color: var(--orange); }
.badge-ready { background: var(--green-dim); color: var(--green); }

/* ── Tags ── */
.tag-list { display: flex; flex-wrap: wrap; gap: .4rem; }
.tag {
    padding: .2rem .6rem; border-radius: var(--radius-sm); font-size: .75rem; font-weight: 500;
    background: var(--bg-elevated); color: var(--text-dim);
}
.tag-warn { background: var(--red-dim); color: var(--red); }
.tag-cool { background: rgba(0, 206, 201, 0.12); color: var(--cyan); }

/* ── Page Header ── */
.page-header { margin-bottom: 2rem; }
.page-header h1 {
    font-size: 2rem; font-weight: 700;
    display: flex; align-items: center; gap: .75rem;
}
.page-sub { color: var(--text-dim); margin-top: .25rem; }
.page-notes { color: var(--text-muted); font-size: .85rem; margin-top: .25rem; font-style: italic; }
.back-link {
    display: inline-block; margin-bottom: .75rem;
    color: var(--text-muted); font-size: .85rem; font-weight: 500;
}
.back-link:hover { color: var(--accent); }

/* ── Sections ── */
.section { margin-bottom: 2.5rem; }
.section-title { font-size: 1.25rem; font-weight: 600; margin-bottom: 1rem; }
.section-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 1rem; }

/* ── Diner Grid ── */
.diner-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 1rem; }
.diner-card:hover { transform: none; cursor: default; }
.detail-group { margin-top: .75rem; }
.detail-label { font-size: .7rem; font-weight: 600; text-transform: uppercase; letter-spacing: .05em; color: var(--text-muted); display: block; margin-bottom: .35rem; }

/* ── Plan List ── */
.plan-list { display: flex; flex-direction: column; gap: .75rem; }
.plan-card {
    display: flex; align-items: center; padding: 1rem 1.25rem; gap: 1.5rem;
}
.plan-dates { display: flex; align-items: center; gap: .5rem; font-weight: 600; min-width: 200px; }
.plan-date-sep { color: var(--text-muted); }
.plan-info { display: flex; align-items: center; gap: 1rem; flex: 1; }
.plan-meals-count { color: var(--text-dim); font-size: .85rem; }
.plan-card { display: flex; align-items: center; position: relative; }
.plan-card-link {
    display: flex; align-items: center; gap: 1.5rem; padding: 1rem 1.25rem;
    flex: 1; color: inherit; text-decoration: none; min-width: 0;
}
.btn-delete {
    margin-right: .75rem; opacity: 0; transition: opacity .2s;
    border-color: transparent; background: none;
}
.plan-card:hover .btn-delete { opacity: 1; }
.btn-delete:hover { border-color: var(--red); color: var(--red); opacity: 1; }

/* ── Plan Stats ── */
.plan-stats { display: flex; gap: 1rem; margin-bottom: 1rem; }
.stat-card {
    flex: 1; text-align: center; padding: 1.25rem;
    background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius);
}
.stat-value {
    display: block; font-size: 2rem; font-weight: 800;
    background: linear-gradient(135deg, var(--accent), var(--cyan));
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.stat-label { font-size: .8rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: .05em; }

/* ── Cuisine Filter ── */
.cuisine-filter { display: flex; flex-wrap: wrap; gap: .5rem; margin-bottom: 1.25rem; }
.filter-btn {
    padding: .4rem .9rem; border-radius: 20px; border: 1px solid var(--border);
    background: var(--bg-card); color: var(--text-dim); font-size: .8rem; font-weight: 500;
    cursor: pointer; transition: all var(--transition);
}
.filter-btn:hover { border-color: var(--accent); color: var(--text); }
.filter-btn.active {
    background: var(--accent); color: #fff; border-color: var(--accent);
    box-shadow: 0 0 15px var(--accent-glow);
}

/* ── Meals Grid ── */
.meals-grid { display: flex; flex-direction: column; gap: .6rem; }
.meal-card {
    display: flex; align-items: center; padding: 1rem 1.25rem; gap: 1.25rem;
}
.meal-date { text-align: center; min-width: 60px; }
.meal-day { display: block; font-size: .7rem; font-weight: 600; text-transform: uppercase; color: var(--text-muted); }
.meal-date-num { display: block; font-size: .85rem; font-weight: 500; color: var(--text-dim); }
.meal-info { flex: 1; }
.meal-title { font-size: 1rem; font-weight: 600; color: var(--text); margin-bottom: .3rem; }
.meal-meta { display: flex; gap: .75rem; font-size: .8rem; color: var(--text-dim); margin-bottom: .4rem; }
.meal-cuisine { color: var(--cyan); font-weight: 500; }
.meal-time { color: var(--text-muted); }
.meal-courses { display: flex; flex-wrap: wrap; gap: .3rem; }
.course-pill {
    font-size: .7rem; padding: .15rem .5rem; border-radius: 4px;
    background: var(--bg-elevated); color: var(--text-dim);
}

.difficulty-easy { color: var(--green); }
.difficulty-medium { color: var(--orange); }
.difficulty-hard { color: var(--red); }

/* ── Meal Detail ── */
.meal-header-info { }
.meal-header-date { font-size: .9rem; color: var(--text-dim); }
.meal-header-meta { display: flex; gap: .5rem; margin-top: .75rem; }

.meal-detail-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}
.meal-detail-grid .card { padding: 1.5rem; }
.meal-detail-grid h2 { font-size: 1.1rem; font-weight: 600; margin-bottom: 1rem; }

.time-card { grid-column: 1 / -1; }
.time-ring-group { display: flex; justify-content: center; gap: 3rem; }
.time-block { text-align: center; }
.time-value { font-size: 2.5rem; font-weight: 800; color: var(--accent); }
.time-label { display: block; font-size: .8rem; color: var(--text-muted); margin-top: .25rem; }

.course-detail-card { grid-column: 1 / -1; }
.course-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 1rem; }
.course-item {
    padding: 1rem; border-radius: var(--radius-sm);
    background: var(--bg-elevated); border: 1px solid var(--border);
}
.course-label {
    font-size: .65rem; font-weight: 700; text-transform: uppercase;
    letter-spacing: .08em; color: var(--accent); margin-bottom: .25rem;
}
.course-item h3 { font-size: .95rem; font-weight: 600; }
.course-item p { font-size: .8rem; color: var(--text-dim); margin-top: .3rem; }

.ingredients-card { }
.ingredient-list { list-style: none; }
.ingredient-list li { padding: .4rem 0; border-bottom: 1px solid var(--border); }
.ingredient-list li:last-child { border-bottom: none; }
.check-item { display: flex; align-items: center; gap: .6rem; cursor: pointer; font-size: .9rem; }
.check-item input[type="checkbox"] {
    appearance: none; width: 18px; height: 18px; border: 2px solid var(--border);
    border-radius: 4px; cursor: pointer; transition: all var(--transition);
    position: relative; flex-shrink: 0;
}
.check-item input[type="checkbox"]:checked {
    background: var(--accent); border-color: var(--accent);
}
.check-item input[type="checkbox"]:checked::after {
    content: '✓'; position: absolute; top: -1px; left: 2px;
    color: #fff; font-size: .75rem; font-weight: 700;
}
.check-item input[type="checkbox"]:checked + span {
    text-decoration: line-through; color: var(--text-muted);
}

.steps-card { }
.step-list { list-style: none; counter-reset: step; }
.step-item {
    display: flex; gap: 1rem; padding: .75rem 0;
    border-bottom: 1px solid var(--border);
}
.step-item:last-child { border-bottom: none; }
.step-num {
    width: 28px; height: 28px; border-radius: 50%; flex-shrink: 0;
    display: flex; align-items: center; justify-content: center;
    background: var(--accent-glow); color: var(--accent);
    font-size: .8rem; font-weight: 700;
}
.step-text { font-size: .9rem; line-height: 1.5; }

.tags-card, .nutrition-card { grid-column: 1 / -1; }
.nutrition-card p { color: var(--text-dim); font-size: .9rem; line-height: 1.6; }

/* ── Buttons ── */
.btn {
    display: inline-flex; align-items: center; gap: .5rem;
    padding: .6rem 1.25rem; border-radius: var(--radius-sm);
    font-size: .85rem; font-weight: 600; cursor: pointer;
    border: 1px solid var(--border); background: var(--bg-card); color: var(--text);
    transition: all var(--transition);
}
.btn:hover { background: var(--bg-elevated); color: var(--text); }

.btn-primary {
    background: var(--accent); border-color: var(--accent); color: #fff;
}
.btn-primary:hover { background: #5b4bd4; color: #fff; }

.btn-ghost {
    background: transparent; border-color: var(--border); color: var(--text-dim);
}
.btn-ghost:hover { border-color: var(--text-muted); color: var(--text); }

.btn-glow:hover { box-shadow: 0 0 20px var(--accent-glow); }

.btn-icon {
    width: 32px; height: 32px; border-radius: 50%; border: 1px solid var(--border);
    background: var(--bg-card); color: var(--text-dim); cursor: pointer;
    display: flex; align-items: center; justify-content: center; font-size: 1.1rem;
    transition: all var(--transition);
}
.btn-icon:hover { border-color: var(--red); color: var(--red); }

.btn-spinner {
    width: 16px; height: 16px; border: 2px solid rgba(255,255,255,.3);
    border-top-color: #fff; border-radius: 50%;
    animation: spin .6s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Modal ── */
.modal {
    position: fixed; inset: 0; z-index: 200;
    background: rgba(0,0,0,0.3); backdrop-filter: blur(8px);
    display: flex; align-items: center; justify-content: center;
    opacity: 0; pointer-events: none;
    transition: opacity .25s ease;
}
.modal.open { opacity: 1; pointer-events: all; }
.modal-content {
    background: var(--bg-elevated); border: 1px solid var(--border);
    border-radius: var(--radius); padding: 2rem; width: 90%; max-width: 480px;
    box-shadow: var(--shadow);
    transform: translateY(20px); transition: transform .25s ease;
}
.modal.open .modal-content { transform: translateY(0); }
.modal-content h2 { margin-bottom: 1.25rem; }

/* ── Forms ── */
.form-card {
    background: var(--bg-card); border: 1px solid var(--border);
    border-radius: var(--radius); padding: 2rem;
}
.form-group { margin-bottom: 1.25rem; }
.form-group label {
    display: block; font-size: .8rem; font-weight: 600; color: var(--text-dim);
    text-transform: uppercase; letter-spacing: .04em; margin-bottom: .4rem;
}
.form-group input[type="text"],
.form-group input[type="date"],
.form-group input[type="number"],
.form-group textarea {
    width: 100%; padding: .65rem .85rem; border-radius: var(--radius-sm);
    border: 1px solid var(--border); background: var(--bg); color: var(--text);
    font-family: inherit; font-size: .9rem;
    transition: border-color var(--transition);
}
.form-group input:focus, .form-group textarea:focus {
    outline: none; border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
}
.form-group textarea { resize: vertical; }
.form-actions { display: flex; gap: .75rem; justify-content: flex-end; margin-top: 1.5rem; }

.diner-form-row {
    display: flex; gap: .5rem; align-items: center; margin-bottom: .75rem; flex-wrap: wrap;
}
.diner-form-row input[type="text"] {
    flex: 1; min-width: 140px; padding: .5rem .7rem; border-radius: var(--radius-sm);
    border: 1px solid var(--border); background: var(--bg); color: var(--text);
    font-family: inherit; font-size: .85rem;
}
.diner-form-row input[type="text"]:focus {
    outline: none; border-color: var(--accent);
}
.checkbox-label {
    display: flex; align-items: center; gap: .3rem;
    font-size: .8rem; color: var(--text-dim); white-space: nowrap;
}

/* ── Empty State ── */
.empty-state { text-align: center; padding: 4rem 2rem; }
.empty-icon { font-size: 3rem; margin-bottom: 1rem; }
.empty-state h2 { font-size: 1.5rem; margin-bottom: .5rem; }
.empty-state p { color: var(--text-dim); margin-bottom: 1.5rem; }
.empty-state-small { text-align: center; padding: 2rem; color: var(--text-muted); }

/* ── Animations ── */
.fade-in {
    animation: fadeIn .5s ease both;
}
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(12px); }
    to { opacity: 1; transform: translateY(0); }
}

.meal-card { animation: fadeIn .4s ease both; }

/* ── Nav User ── */
.nav-user {
    font-size: .8rem; font-weight: 500; color: var(--text-dim);
    padding: .4rem .75rem; background: var(--bg-elevated);
    border-radius: 20px; border: 1px solid var(--border);
}
.nav-logout { font-size: .8rem; color: var(--text-muted) !important; }
.nav-logout:hover { color: var(--red) !important; }

/* ── Responsive ── */
@media (max-width: 768px) {
    .container { padding: 1rem; }
    .hero-title { font-size: 1.6rem; }
    .hero-sub { font-size: .9rem; }
    .hero { padding: 2rem 0 1.5rem; }
    .card-grid { grid-template-columns: 1fr; }
    .meal-detail-grid { grid-template-columns: 1fr; }
    .plan-card { flex-wrap: wrap; padding: .85rem 1rem; }
    .plan-dates { min-width: auto; font-size: .9rem; }
    .plan-stats { flex-direction: column; }
    .course-list { grid-template-columns: 1fr; }
    .navbar { padding: .75rem 1rem; flex-wrap: wrap; gap: .5rem; }
    .nav-links { gap: .5rem; flex-wrap: wrap; }
    .nav-link { padding: .4rem .6rem; font-size: .8rem; }
    .diner-form-row { flex-direction: column; align-items: stretch; }
    .diner-grid { grid-template-columns: 1fr; }
    .meal-card { flex-wrap: wrap; padding: .85rem 1rem; }
    .meal-date { min-width: auto; text-align: left; }
    .meal-info { min-width: 0; }
    .card-arrow { position: static; transform: none; margin-left: auto; }
    .section-header { flex-direction: column; align-items: flex-start; gap: .75rem; }
    .page-header h1 { font-size: 1.5rem; }
    .stat-card { padding: 1rem; }
    .stat-value { font-size: 1.5rem; }
    .time-ring-group { gap: 2rem; }
    .time-value { font-size: 2rem; }
    .form-card { padding: 1.25rem; }
    .modal-content { padding: 1.5rem; width: 95%; }
    .meal-header-meta { flex-wrap: wrap; }
    .cuisine-filter { gap: .35rem; }
    .filter-btn { padding: .3rem .65rem; font-size: .75rem; }
}

@media (max-width: 380px) {
    .navbar { justify-content: center; }
    .nav-brand { font-size: 1.1rem; }
    .nav-links { justify-content: center; width: 100%; }
    .plan-dates { flex-direction: column; gap: .1rem; }
    .plan-date-sep { display: none; }
}