:root {
  color-scheme: light;
  --bg: #f7fafc;
  --surface: #ffffff;
  --surface-2: #edf5f6;
  --text: #102027;
  --muted: #59707a;
  --line: #dce8ec;
  --brand: #0f766e;
  --brand-2: #2563eb;
  --brand-soft: #ccfbf1;
  --accent: #f59e0b;
  --danger: #b91c1c;
  --success: #15803d;
  --shadow: 0 22px 70px rgba(15, 23, 42, .11);
  --radius: 22px;
  --radius-sm: 14px;
  --container: 1160px;
  --focus: 0 0 0 4px rgba(37, 99, 235, .22);
}
html[data-theme="dark"] {
  color-scheme: dark;
  --bg: #071316;
  --surface: #0d1f24;
  --surface-2: #122c31;
  --text: #ecfeff;
  --muted: #a7c2c9;
  --line: #254149;
  --brand: #5eead4;
  --brand-2: #93c5fd;
  --brand-soft: rgba(94,234,212,.14);
  --accent: #fbbf24;
  --danger: #fca5a5;
  --success: #86efac;
  --shadow: 0 24px 80px rgba(0, 0, 0, .35);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at 12% 10%, rgba(20,184,166,.18), transparent 28rem),
    radial-gradient(circle at 85% 5%, rgba(37,99,235,.14), transparent 30rem),
    var(--bg);
  color: var(--text);
  line-height: 1.58;
}
a { color: inherit; text-decoration: none; }
a:not(.btn):hover { color: var(--brand); }
img, svg { max-width: 100%; }
button, input, select, textarea { font: inherit; }
button { cursor: pointer; }
[hidden] { display: none !important; }
.skip-link {
  position:absolute; left:1rem; top:-10rem; background:var(--brand); color:#052e2b; padding:.7rem 1rem; border-radius:999px; z-index:1000; font-weight:800;
}
.skip-link:focus { top:1rem; outline:none; box-shadow:var(--focus); }
.container { width: min(var(--container), calc(100% - 32px)); margin: 0 auto; }
.site-header {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: blur(16px);
  background: color-mix(in srgb, var(--bg) 86%, transparent);
  border-bottom: 1px solid var(--line);
}
.nav {
  display:flex; align-items:center; justify-content:space-between; gap:1rem; min-height:72px;
}
.logo { display:flex; align-items:center; gap:.75rem; font-weight:900; letter-spacing:-.03em; }
.logo-mark { width:38px; height:38px; border-radius:12px; display:grid; place-items:center; background:linear-gradient(135deg,var(--brand),var(--brand-2)); color:white; box-shadow: 0 10px 26px rgba(15,118,110,.25); }
.logo small { display:block; color:var(--muted); font-size:.74rem; font-weight:700; letter-spacing:.02em; }
.nav-links { display:flex; align-items:center; gap:.45rem; flex-wrap:wrap; }
.nav-link { color:var(--muted); padding:.6rem .78rem; border-radius:999px; font-weight:750; font-size:.94rem; }
.nav-link:hover, .nav-link[aria-current="page"] { background:var(--brand-soft); color:var(--text); }
.theme-toggle { border:1px solid var(--line); background:var(--surface); color:var(--text); padding:.58rem .8rem; border-radius:999px; box-shadow:0 8px 20px rgba(15,23,42,.06); }
.theme-toggle:focus-visible, a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible { outline:none; box-shadow:var(--focus); }
.hero { padding: clamp(48px, 7vw, 96px) 0 40px; }
.hero-grid { display:grid; grid-template-columns: minmax(0, 1.05fr) minmax(320px, .75fr); gap:clamp(24px, 5vw, 58px); align-items:center; }
.eyebrow { display:inline-flex; align-items:center; gap:.45rem; padding:.42rem .72rem; border:1px solid var(--line); border-radius:999px; background:var(--surface); color:var(--muted); font-size:.9rem; font-weight:800; }
h1, h2, h3 { line-height:1.08; letter-spacing:-.04em; }
h1 { margin:.9rem 0 1rem; font-size: clamp(2.4rem, 6vw, 5.2rem); }
h2 { margin:0 0 .8rem; font-size: clamp(1.8rem, 3vw, 3rem); }
h3 { margin:0 0 .55rem; font-size:1.25rem; }
p { margin:0 0 1rem; }
.lede { font-size: clamp(1.05rem, 1.7vw, 1.28rem); color:var(--muted); max-width:68ch; }
.hero-actions { display:flex; gap:.85rem; flex-wrap:wrap; margin-top:1.4rem; }
.btn { display:inline-flex; align-items:center; justify-content:center; gap:.5rem; border:none; border-radius:999px; padding:.86rem 1.12rem; font-weight:850; min-height:44px; transition:.18s transform ease, .18s box-shadow ease, .18s background ease; }
.btn:hover { transform:translateY(-1px); }
.btn-primary { background:linear-gradient(135deg,var(--brand),var(--brand-2)); color:white; box-shadow:0 16px 36px rgba(37,99,235,.22); }
html[data-theme="dark"] .btn-primary { color:#041b1f; }
.btn-secondary { background:var(--surface); color:var(--text); border:1px solid var(--line); }
.btn-ghost { background:transparent; border:1px solid var(--line); color:var(--text); }
.btn-small { padding:.58rem .82rem; font-size:.9rem; }
.btn-danger { background: color-mix(in srgb, var(--danger) 12%, var(--surface)); color:var(--danger); border:1px solid color-mix(in srgb, var(--danger) 35%, var(--line)); }
.hero-card, .card, .tool-panel, .result-card, .table-card {
  background: color-mix(in srgb, var(--surface) 94%, transparent);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
}
.hero-card { padding:1.35rem; }
.stats { display:grid; grid-template-columns: repeat(3, 1fr); gap:.85rem; }
.stat { padding:1rem; border-radius:18px; background:var(--surface-2); border:1px solid var(--line); }
.stat strong { display:block; font-size:1.5rem; letter-spacing:-.04em; }
.stat span { color:var(--muted); font-size:.86rem; font-weight:750; }
.mini-list { margin:1rem 0 0; padding:0; list-style:none; display:grid; gap:.65rem; }
.mini-list li { display:flex; align-items:flex-start; gap:.55rem; color:var(--muted); }
.mini-list li::before { content:"✓"; flex:0 0 auto; color:var(--success); font-weight:900; }
.section { padding:44px 0; }
.section-head { display:flex; justify-content:space-between; gap:1rem; align-items:end; margin-bottom:1.4rem; }
.section-head p { max-width:68ch; color:var(--muted); }
.search-wrap { display:flex; gap:.8rem; align-items:center; padding:.6rem; border:1px solid var(--line); background:var(--surface); border-radius:999px; box-shadow:0 16px 38px rgba(15,23,42,.08); }
.search-wrap input { border:none; outline:none; background:transparent; color:var(--text); width:min(440px, 52vw); padding:.6rem .7rem; }
.tool-grid { display:grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap:1rem; }
.card { padding:1.25rem; display:flex; flex-direction:column; gap:.9rem; min-height:100%; }
.card-top { display:flex; justify-content:space-between; gap:.75rem; align-items:flex-start; }
.badge { display:inline-flex; align-items:center; gap:.35rem; border:1px solid var(--line); background:var(--surface-2); color:var(--muted); padding:.32rem .58rem; border-radius:999px; font-size:.78rem; font-weight:850; white-space:nowrap; }
.card p { color:var(--muted); }
.card-meta { display:grid; gap:.55rem; margin-top:auto; }
.meta-row { display:flex; gap:.55rem; align-items:start; color:var(--muted); font-size:.92rem; }
.meta-row strong { color:var(--text); min-width:88px; }
.card-actions { display:flex; gap:.65rem; flex-wrap:wrap; margin-top:.25rem; }
.feature-grid { display:grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap:1rem; }
.feature { padding:1.25rem; border:1px solid var(--line); border-radius:var(--radius); background:var(--surface); }
.feature-icon { width:42px; height:42px; border-radius:14px; background:linear-gradient(135deg,var(--brand-soft), color-mix(in srgb, var(--brand-2) 18%, transparent)); display:grid; place-items:center; margin-bottom:.9rem; font-weight:900; color:var(--brand); }
.faq { display:grid; gap:.8rem; }
details { border:1px solid var(--line); border-radius:18px; background:var(--surface); padding:1rem 1.05rem; }
summary { cursor:pointer; font-weight:850; }
details p { color:var(--muted); margin:.7rem 0 0; }
.site-footer { border-top:1px solid var(--line); padding:36px 0; color:var(--muted); }
.footer-grid { display:grid; grid-template-columns:1fr auto; gap:1.5rem; align-items:start; }
.footer-links { display:flex; gap:.6rem; flex-wrap:wrap; justify-content:flex-end; }
.breadcrumbs { color:var(--muted); font-size:.92rem; margin-top:1.2rem; }
.breadcrumbs a { text-decoration:underline; text-underline-offset:4px; }
.tool-layout { display:grid; grid-template-columns: minmax(0, 1fr) 330px; gap:1.2rem; align-items:start; }
.tool-panel { padding:1.25rem; }
.tool-side { position:sticky; top:92px; display:grid; gap:1rem; }
.form-grid { display:grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap:1rem; }
.form-grid.full { grid-template-columns:1fr; }
.field { display:grid; gap:.45rem; }
label, .label { font-weight:850; color:var(--text); }
.help { color:var(--muted); font-size:.9rem; }
input, select, textarea {
  width:100%; border:1px solid var(--line); border-radius:14px; background:var(--surface); color:var(--text); padding:.82rem .88rem;
}
textarea { min-height:112px; resize:vertical; }
.inline-controls { display:flex; gap:.7rem; flex-wrap:wrap; align-items:end; }
.ingredient-list { display:grid; gap:.7rem; margin-top:.7rem; }
.ingredient-row { display:grid; grid-template-columns:1.3fr .75fr auto; gap:.65rem; align-items:end; padding:.75rem; border:1px solid var(--line); border-radius:18px; background:var(--surface-2); }
.output-grid { display:grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap:1rem; margin-top:1rem; }
.result-card { padding:1rem; box-shadow:none; }
.result-card .value { display:block; font-size:clamp(1.6rem, 3vw, 2.45rem); font-weight:950; letter-spacing:-.05em; }
.result-card .sub { color:var(--muted); font-size:.92rem; }
.breakdown { margin-top:1rem; border:1px solid var(--line); border-radius:18px; overflow:hidden; background:var(--surface); }
.breakdown-bar { display:flex; min-height:44px; }
.segment-cost { background:linear-gradient(135deg,#fb7185,#f59e0b); color:#111827; }
.segment-margin { background:linear-gradient(135deg,#34d399,#22d3ee); color:#052e2b; }
.breakdown-bar span { display:grid; place-items:center; font-weight:900; min-width:56px; }
.breakdown-legend { display:flex; gap:.8rem; flex-wrap:wrap; padding:.75rem; color:var(--muted); }
.notice { padding:.9rem 1rem; border-radius:18px; border:1px solid var(--line); background:var(--surface-2); color:var(--muted); }
.notice.success { border-color: color-mix(in srgb, var(--success) 30%, var(--line)); color:var(--success); background: color-mix(in srgb, var(--success) 10%, var(--surface)); }
.notice.warn { border-color: color-mix(in srgb, var(--accent) 45%, var(--line)); color: color-mix(in srgb, var(--accent) 75%, var(--text)); background: color-mix(in srgb, var(--accent) 10%, var(--surface)); }
.notice.error { border-color: color-mix(in srgb, var(--danger) 35%, var(--line)); color: var(--danger); background: color-mix(in srgb, var(--danger) 8%, var(--surface)); }
.table-card { padding:1rem; overflow:auto; box-shadow:none; }
table { width:100%; border-collapse:collapse; min-width:640px; }
th, td { text-align:left; padding:.75rem; border-bottom:1px solid var(--line); vertical-align:top; }
th { color:var(--muted); font-size:.84rem; text-transform:uppercase; letter-spacing:.06em; }
.empty-state { padding:1rem; color:var(--muted); background:var(--surface-2); border:1px dashed var(--line); border-radius:18px; text-align:center; }
.template-card { border:2px dashed color-mix(in srgb, var(--brand) 55%, var(--line)); border-radius:26px; padding:1.2rem; background:#fff; color:#102027; text-align:center; }
html[data-theme="dark"] .template-card { background:#f8fafc; color:#102027; }
.template-card h3 { font-size:1.75rem; margin:.4rem 0; }
.qr-box { display:grid; place-items:center; min-height:242px; background:#fff; border-radius:20px; border:1px solid #d6e2e6; padding:1rem; color:#102027; }
.qr-box canvas, .qr-box img { width:220px !important; height:220px !important; image-rendering:pixelated; }
.radio-stack { display:grid; gap:.55rem; }
.radio-row { display:flex; gap:.55rem; align-items:center; padding:.72rem; border:1px solid var(--line); border-radius:16px; background:var(--surface); }
.radio-row input { width:auto; }
.tool-nav { display:grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap:1rem; }
.admin-card { background:linear-gradient(135deg, color-mix(in srgb, var(--surface) 88%, transparent), color-mix(in srgb, var(--brand-soft) 70%, transparent)); border:1px solid var(--line); border-radius:var(--radius); padding:1rem; }
.admin-card dl { display:grid; grid-template-columns:auto 1fr; gap:.55rem .8rem; margin:0; }
.admin-card dt { color:var(--muted); font-weight:850; }
.admin-card dd { margin:0; }
.sponsor-slot { border:1px dashed var(--line); border-radius:18px; padding:1rem; color:var(--muted); background:var(--surface-2); }
.toast { position:fixed; left:50%; bottom:24px; transform:translateX(-50%) translateY(120%); background:var(--text); color:var(--bg); padding:.75rem 1rem; border-radius:999px; font-weight:850; box-shadow:var(--shadow); transition:.22s ease; z-index:100; }
.toast.show { transform:translateX(-50%) translateY(0); }
[dir="rtl"] body { text-align:right; }
[dir="rtl"] th, [dir="rtl"] td { text-align:right; }
@media (max-width: 900px) {
  .hero-grid, .tool-layout, .footer-grid { grid-template-columns:1fr; }
  .tool-side { position:static; }
  .feature-grid, .tool-grid, .output-grid, .stats { grid-template-columns:1fr; }
  .section-head { display:block; }
  .search-wrap { margin-top:1rem; border-radius:20px; }
  .search-wrap input { width:100%; }
  .form-grid { grid-template-columns:1fr; }
  .ingredient-row { grid-template-columns:1fr; }
  .nav { align-items:flex-start; padding:.85rem 0; }
  .nav-links { justify-content:flex-end; }
}
@media (max-width: 580px) {
  .container { width:min(100% - 24px, var(--container)); }
  .nav { flex-direction:column; }
  .nav-links { width:100%; justify-content:flex-start; }
  .hero { padding-top:34px; }
  .hero-actions, .card-actions, .inline-controls, .tool-nav { display:grid; grid-template-columns:1fr; }
  .btn { width:100%; }
}
@media print {
  body { background:white !important; }
  .site-header, .site-footer, .no-print, .breadcrumbs, .tool-side, .hero, .section:not(.print-section) { display:none !important; }
  .print-section, .print-section * { visibility:visible !important; }
  .print-section { display:block !important; padding:0 !important; }
  .template-card { width:100%; max-width:520px; margin:0 auto; box-shadow:none; border:2px solid #111827; }
}