:root {
    --bg: #1a120b;
    --surface: rgba(44, 30, 18, 0.7);
    --border: rgba(212, 165, 110, 0.2);
    --gold: #d4a574;
    --gold-hover: #c4955a;
    --cream: #f5e6d3;
    --brown: #8B4513;
    --brown-dark: #2d1810;
    --success: #34d399;
    --danger: #fb7185;
    --text: #fef3e8;
    --text-muted: #c4a88c;
    --font: 'Inter', system-ui, sans-serif;
    --font-display: 'Playfair Display', serif;
    --radius: 0.75rem;
    --touch-size: 3rem;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    background: var(--bg);
    background-image:
        radial-gradient(ellipse at 20% 0%, rgba(139,69,19,0.08) 0%, transparent 60%),
        radial-gradient(ellipse at 80% 100%, rgba(212,165,110,0.06) 0%, transparent 60%);
    color: var(--text);
    font-family: var(--font);
    font-size: 1.125rem;
    line-height: 1.6;
    min-height: 100vh;
}

h1, h2, h3, h4, h5, h6 { line-height: 1.3; }

.container { max-width: 1200px; margin: 0 auto; padding: 1.5rem; }

header {
    display: flex; justify-content: space-between; align-items: center;
    margin-bottom: 2rem; gap: 1rem; flex-wrap: wrap;
}
.logo { display: flex; align-items: center; gap: 0.75rem; }
.logo-icon { font-size: 3rem; line-height: 1; }
.logo h1 {
    font-family: var(--font-display); font-size: 2rem; font-weight: 700;
    background: linear-gradient(135deg, var(--gold), #f5e6d3);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.logo h1 span { font-weight: 400; font-size: 1.125rem; opacity: 0.7; }
.logo-sub { font-size: 0.85rem; color: var(--text-muted); letter-spacing: 1px; text-transform: uppercase; }
.header-actions { display: flex; align-items: center; gap: 0.5rem; flex-wrap: wrap; }

.badge {
    padding: 0.5rem 1rem; border-radius: 100px; font-size: 0.9rem; font-weight: 600;
    background: var(--surface); border: 1px solid var(--border); color: var(--text-muted);
    cursor: pointer; transition: all 0.2s; white-space: nowrap;
    min-height: var(--touch-size); display: inline-flex; align-items: center;
}
.badge:focus-visible { outline: 2px solid var(--gold); outline-offset: 2px; }
.badge:hover { border-color: var(--gold); color: var(--gold); }

.dashboard {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1rem; margin-bottom: 2rem;
}
.stat-card {
    padding: 1.5rem; border-radius: 1rem; border: 1px solid var(--border);
    backdrop-filter: blur(12px); transition: transform 0.3s;
}
.stat-card:hover { transform: translateY(-3px); }
.stat-gold { background: linear-gradient(135deg, rgba(212,165,110,0.12), rgba(139,69,19,0.08)); }
.stat-cream { background: linear-gradient(135deg, rgba(245,230,211,0.08), rgba(212,165,110,0.05)); }
.stat-warm { background: linear-gradient(135deg, rgba(212,165,110,0.1), rgba(245,230,211,0.05)); }
.stat-brown { background: linear-gradient(135deg, rgba(139,69,19,0.12), rgba(45,24,16,0.1)); }
.stat-label { color: var(--text-muted); font-size: 0.9rem; font-weight: 500; display: block; margin-bottom: 0.35rem; }
.stat-value { font-size: 1.8rem; font-weight: 800; display: block; }
.stat-gold .stat-value { color: var(--gold); }
.stat-cream .stat-value { color: var(--cream); }
.stat-warm .stat-value { color: #d4a574; }
.stat-brown .stat-value { color: #c4955a; }

.tabs {
    display: flex; gap: 0.25rem; margin-bottom: 1.5rem;
    background: var(--surface); border-radius: var(--radius); padding: 0.35rem;
    border: 1px solid var(--border);
}
.tab {
    flex: 1; padding: 0.75rem 1rem; border: none; background: transparent;
    color: var(--text-muted); font-family: var(--font); font-size: 1rem; font-weight: 600;
    border-radius: 0.6rem; cursor: pointer; transition: all 0.2s;
    min-height: var(--touch-size);
}
.tab:focus-visible { outline: 2px solid var(--gold); outline-offset: 2px; }
.tab.active { background: rgba(212,165,110,0.15); color: var(--gold); }
.tab:hover:not(.active) { color: var(--text); }

.tab-content { display: none; }
.tab-content.active { display: block; }

.card {
    background: var(--surface); border: 1px solid var(--border);
    border-radius: 1rem; overflow: hidden; backdrop-filter: blur(12px);
}
.card-header { padding: 1.25rem 1.5rem; border-bottom: 1px solid var(--border); }
.card-header h3 { font-size: 1.125rem; font-weight: 700; color: var(--cream); }
.card-body { padding: 1.5rem; }

.toolbar {
    display: flex; gap: 0.5rem; margin-bottom: 1rem; flex-wrap: wrap;
    padding: 1rem 1.25rem; background: var(--surface);
    border: 1px solid var(--border); border-radius: var(--radius); align-items: center;
}
.toolbar .input { margin-bottom: 0; }

.input {
    width: 100%; padding: 0.75rem 1rem; border-radius: 0.6rem;
    background: rgba(0,0,0,0.3); border: 1px solid var(--border);
    color: var(--text); font-family: var(--font); font-size: 1rem;
    transition: border-color 0.2s; min-height: var(--touch-size);
}
.input:focus { border-color: var(--gold); outline: none; }
.input::placeholder { color: var(--text-muted); }
select.input { cursor: pointer; appearance: none; padding-right: 2rem; }
.form-group { margin-bottom: 1.25rem; }
.form-group label {
    display: block; margin-bottom: 0.4rem; font-size: 0.95rem; color: var(--text-muted); font-weight: 600;
    letter-spacing: 0.3px;
}
.form-row { display: flex; gap: 0.75rem; flex-wrap: wrap; margin-bottom: 0.75rem; }
.flex-1 { flex: 1; min-width: 0; }

.btn-primary {
    padding: 0.75rem 1.5rem; border: none; border-radius: 0.6rem;
    background: linear-gradient(135deg, var(--gold), var(--brown));
    color: #1a120b; font-family: var(--font); font-weight: 700; font-size: 1rem;
    cursor: pointer; transition: all 0.2s; display: inline-flex; align-items: center; gap: 0.5rem;
    min-height: var(--touch-size);
}
.btn-primary:focus-visible { outline: 2px solid var(--gold); outline-offset: 2px; }
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 4px 20px rgba(212,165,110,0.3); }
.btn-calc { font-size:1.3rem; padding:0.5rem 1rem; }
.btn-install {
    background: linear-gradient(135deg, #10b981, #059669);
    animation: pulse-install 2s infinite;
}
.btn-install:hover { box-shadow: 0 4px 20px rgba(16,185,129,0.4) !important; }
@keyframes pulse-install {
    0% { box-shadow: 0 0 0 0 rgba(16,185,129,0.4); }
    50% { box-shadow: 0 0 0 12px rgba(16,185,129,0); }
    100% { box-shadow: 0 0 0 0 rgba(16,185,129,0); }
}
.btn-secondary {
    padding: 0.75rem 1.5rem; border: 1px solid var(--border); border-radius: 0.6rem;
    background: transparent; color: var(--text); font-family: var(--font); font-weight: 600; font-size: 1rem;
    cursor: pointer; transition: all 0.2s; min-height: var(--touch-size);
}
.btn-secondary:focus-visible { outline: 2px solid var(--gold); outline-offset: 2px; }
.btn-secondary:hover { border-color: var(--gold); color: var(--gold); }
.btn-icon {
    padding: 0.5rem 0.75rem; border: 1px solid var(--border); border-radius: 0.6rem;
    background: transparent; color: var(--text-muted); cursor: pointer; font-size: 1.2rem;
    transition: all 0.2s; min-height: var(--touch-size); display: inline-flex; align-items: center;
}
.btn-icon:focus-visible { outline: 2px solid var(--gold); outline-offset: 2px; }
.btn-icon:hover { border-color: var(--gold); color: var(--gold); }
.btn-danger {
    padding: 0.75rem 1.5rem; border: 1px solid rgba(244,63,94,0.3); border-radius: 0.6rem;
    background: rgba(244,63,94,0.1); color: var(--danger); font-family: var(--font); font-weight: 600;
    cursor: pointer; font-size: 1rem; transition: all 0.2s; min-height: var(--touch-size);
}
.btn-danger:focus-visible { outline: 2px solid var(--danger); outline-offset: 2px; }
.btn-danger:hover { background: var(--danger); color: #fff; }

.product-grid {
    display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1rem;
}
.product-card {
    background: var(--surface); border: 1px solid var(--border);
    border-radius: 1rem; padding: 1.5rem; cursor: pointer;
    transition: all 0.3s; position: relative;
}
.product-card:hover { border-color: var(--gold); transform: translateY(-3px); box-shadow: 0 8px 30px rgba(0,0,0,0.3); }
.product-card .cat-emoji { font-size: 2.5rem; margin-bottom: 0.75rem; display: block; }
.product-card h3 { font-size: 1.2rem; font-weight: 700; margin-bottom: 0.35rem; }
.product-card .prod-price { font-size: 1.5rem; font-weight: 800; color: var(--gold); display: block; margin: 0.5rem 0; }
.product-card .prod-meta { font-size: 0.85rem; color: var(--text-muted); }
.product-card .prod-margin {
    display: inline-block; padding: 0.25rem 0.65rem; border-radius: 100px;
    font-size: 0.85rem; font-weight: 700; margin-top: 0.5rem;
}
.margin-good { background: rgba(16,185,129,0.15); color: var(--success); }
.margin-ok { background: rgba(212,165,110,0.15); color: var(--gold); }
.margin-low { background: rgba(244,63,94,0.15); color: var(--danger); }
.prod-actions {
    display: flex; gap: 0.35rem; margin-top: 0.75rem; padding-top: 0.75rem;
    border-top: 1px solid var(--border);
}
.prod-actions button {
    padding: 0.5rem 0.9rem; border: 1px solid var(--border); border-radius: 0.5rem;
    background: rgba(0,0,0,0.3); color: var(--text); cursor: pointer; font-size: 0.9rem;
    transition: all 0.2s; display: inline-flex; align-items: center; gap: 0.3rem;
    min-height: 2.5rem;
}
.prod-actions .edit-btn { border-color: rgba(212,165,110,0.3); }
.prod-actions .edit-btn:hover { background: var(--gold); color: #1a120b; }
.prod-actions .del-btn { border-color: rgba(244,63,94,0.2); }
.prod-actions .del-btn:hover { background: var(--danger); color: #fff; }

.modal-overlay {
    position: fixed; inset: 0; background: rgba(0,0,0,0.85);
    backdrop-filter: blur(4px); display: none; align-items: flex-start; justify-content: center;
    z-index: 1000; padding: 1.5rem 1rem; overflow-y: auto;
}
.modal {
    background: #1e150e; border: 1px solid var(--border);
    width: 100%; max-width: 600px; border-radius: 1.25rem;
    margin: auto 0;
}
.modal-lg { max-width: 800px; }
.modal-header {
    display: flex; justify-content: space-between; align-items: center;
    padding: 1.25rem 1.5rem; border-bottom: 1px solid var(--border);
}
.modal-header h2 { font-size: 1.3rem; font-weight: 700; }
.modal-body { padding: 1.5rem; }
.modal-footer {
    display: flex; gap: 0.5rem; justify-content: flex-end;
    padding: 1rem 1.5rem; border-top: 1px solid var(--border);
}

.checkbox-label {
    display: flex; align-items: center; gap: 0.5rem;
    font-size: 0.95rem; color: var(--text-muted); cursor: pointer; margin: 0.75rem 0;
}
.checkbox-label input { width: 1.25rem; height: 1.25rem; cursor: pointer; }

.calc-section {
    background: rgba(0,0,0,0.2); border-radius: var(--radius); padding: 1.25rem;
    margin: 1rem 0; border: 1px solid var(--border);
}
.calc-section h4 { font-size: 1.05rem; font-weight: 700; margin-bottom: 0.75rem; color: var(--cream); }
.ingredient-row {
    margin-bottom: 0.75rem; padding: 0.75rem; background: rgba(0,0,0,0.15);
    border-radius: 0.6rem; border: 1px solid rgba(255,255,255,0.03);
}
.ing-row-fields {
    display: flex; gap: 0.35rem; align-items: center; flex-wrap: wrap;
}
.ing-row-fields .input { font-size: 0.85rem; padding: 0.4rem 0.5rem; min-width: 0; min-height: 2.5rem; }
.ing-row-fields input[name="ingName"] { flex: 2; min-width: 80px; }
.ing-row-fields input[name="ingQty"] { width: 52px; }
.ing-row-fields select { width: 52px; }
.ing-pkg-group { display:flex; align-items:center; gap:0; }
.ing-pkg-group .input { width: 56px; padding: 0.4rem 0.3rem; min-height: 2.5rem; }
.ing-pkg-group span { font-size:0.75rem; color:var(--text-muted); padding:0 2px; }
.ingredient-row .ing-total { font-size: 0.9rem; font-weight: 700; color: var(--gold); min-width: 56px; text-align: right; }
.ingredient-row .btn-icon { padding: 0.3rem 0.35rem; font-size:0.85rem; min-height: 2.5rem; }
.ing-formula {
    font-size: 0.7rem; color: var(--text-muted); margin-top: 0.3rem; padding-top: 0.25rem;
    border-top: 1px solid rgba(255,255,255,0.05); font-family: monospace; word-break: break-all;
    line-height: 1.4;
}

.cost-breakdown {
    background: rgba(0,0,0,0.25); border-radius: var(--radius); padding: 1.25rem;
    margin-top: 1rem; border: 1px solid rgba(212,165,110,0.15);
}
.cost-row {
    display: flex; justify-content: space-between; padding: 0.45rem 0;
    font-size: 0.95rem; color: var(--text-muted); border-bottom: 1px solid rgba(255,255,255,0.04);
}
.cost-row.total { font-weight: 700; color: var(--cream); font-size: 1.05rem; border-bottom: 2px solid var(--border); padding: 0.6rem 0; }
.cost-row.profit { color: var(--gold); font-weight: 800; font-size: 1.2rem; border-bottom: none; padding: 0.7rem 0; }
.cost-row.header-row { color: var(--gold); font-weight: 700; font-size: 1rem; border-bottom: 2px solid rgba(212,165,110,0.2); padding: 0.5rem 0; }
.cb-detail { display:block; font-size:0.7rem; font-weight:400; color:var(--text-muted); margin-top:2px; }

.category-list { margin-top: 1rem; }
.cat-item {
    display: flex; align-items: center; gap: 0.75rem;
    padding: 0.85rem 1rem; border-bottom: 1px solid var(--border);
}
.cat-item:last-child { border-bottom: none; }
.cat-item .cat-emoji { font-size: 1.8rem; }
.cat-item .cat-name { flex: 1; font-weight: 600; font-size: 1rem; }
.cat-item .cat-count { color: var(--text-muted); font-size: 0.9rem; margin-right: 0.5rem; }
.cat-item .btn-icon { padding: 0.4rem 0.6rem; }

@keyframes fadeUp { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }
.animate { animation: fadeUp 0.3s ease both; }

::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--gold); }

.empty-state { text-align: center; padding: 4rem 1rem; color: var(--text-muted); }
.empty-state .big-emoji { font-size: 4rem; display: block; margin-bottom: 1rem; }
.empty-state p { font-size: 1.1rem; }

@media (max-width: 768px) {
    .container { padding: 1rem; }
    header { flex-direction: column; align-items: stretch; text-align: center; }
    .logo { justify-content: center; }
    .header-actions { justify-content: center; }
    .dashboard { grid-template-columns: 1fr; }
    .product-grid { grid-template-columns: 1fr; }
    .form-row { flex-direction: column; }
    .tabs { overflow-x: auto; flex-wrap: nowrap; }
    .tab { white-space: nowrap; flex: none; padding: 0.65rem 0.85rem; }
    .modal { max-width: 100%; }
    .modal-body { padding: 1rem; }
    .calc-section { padding: 0.75rem; }
    .calc-section h4 { font-size: 0.95rem; }

    .calc-section > div:first-child { font-size: 0.7rem !important; }
    .ing-row-fields input[name="ingName"] { flex: 1 1 100%; margin-bottom: 0.25rem; }
    .ing-row-fields input[name="ingQty"] { width: 48px; }
    .ing-row-fields select { width: 48px; }
    .ing-pkg-group .input { width: 52px; }
    .ingredient-row .ing-total { min-width: 48px; }
}