/* platform.nutriscan.app: the one stylesheet. NutriScan dark tokens from app_palette. */

@font-face { font-family: "Google Sans"; src: url("fonts/GoogleSans-Regular.woff2") format("woff2"); font-weight: 400; font-display: swap; }
@font-face { font-family: "Google Sans"; src: url("fonts/GoogleSans-Medium.woff2") format("woff2"); font-weight: 500; font-display: swap; }
@font-face { font-family: "Google Sans"; src: url("fonts/GoogleSans-SemiBold.woff2") format("woff2"); font-weight: 600; font-display: swap; }
@font-face { font-family: "Google Sans"; src: url("fonts/GoogleSans-Bold.woff2") format("woff2"); font-weight: 700; font-display: swap; }

:root {
  color-scheme: dark;
  --bg: #0C0C0C;
  --surface: #1C1C1E;
  --surface-raised: #232326;
  --border: #2F2F33;
  --border-strong: #444449;
  --text: #FFFFFF;
  --text-2: #AFAFB4;
  --text-3: #82838B;
  --brand: #D5EE6E;
  --on-brand: #111113;
  --ok: #41D9B3;
  --error: #EF4B23;
  --grade-a: #0F8B50;
  --grade-b: #7AC34D;
  --grade-c: #FECB27;
  --grade-d: #F58426;
  --grade-e: #EF4B23;
  --radius: 12px;
  --radius-lg: 20px;
  --pill: 60px;
  --max: 1120px;
  --gutter: 20px;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 400 16px/1.55 "Google Sans", system-ui, -apple-system, sans-serif;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { color: inherit; }
img { max-width: 100%; display: block; }
code, pre { font-family: var(--mono); }
:focus-visible { outline: 2px solid var(--text); outline-offset: 3px; border-radius: 6px; }

.wrap { max-width: var(--max); margin: 0 auto; padding: 0 var(--gutter); }
/* Grid children may shrink below their widest line (code, tables scroll inside instead). */
.hero .wrap > *, .docs > *, .access .wrap > *, .plans > *, .inputs > * { min-width: 0; }

/* ---------- header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 10;
  background: rgba(12, 12, 12, 0.85);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; height: 64px; gap: 16px; }
.wordmark { display: flex; align-items: center; gap: 10px; text-decoration: none; font-weight: 700; font-size: 18px; white-space: nowrap; }
.wordmark-dot { width: 10px; height: 10px; border-radius: 50%; background: var(--brand); }
.wordmark span { color: var(--text-3); font-weight: 500; }
.nav { display: flex; align-items: center; gap: 24px; }
.nav a { text-decoration: none; color: var(--text-2); font-weight: 500; font-size: 15px; }
.nav a:hover { color: var(--text); }
@media (max-width: 640px) { .nav .nav-link { display: none; } }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  height: 48px; padding: 0 24px; border-radius: var(--pill);
  font: 600 16px/1 "Google Sans", system-ui, sans-serif; text-decoration: none;
  border: 1px solid transparent; cursor: pointer; transition: opacity .15s, transform .15s;
}
.btn:active { transform: scale(0.97); }
.btn-primary { background: var(--brand); color: var(--on-brand); }
.btn-primary:hover { opacity: 0.9; }
.btn-ghost { background: transparent; color: var(--text); border-color: var(--border-strong); }
.btn-ghost:hover { border-color: var(--text-2); }
.btn-sm { height: 38px; padding: 0 16px; font-size: 14px; }
.btn[disabled] { opacity: 0.5; cursor: progress; }

/* ---------- hero ---------- */
.hero { padding: 72px 0 88px; }
.hero .wrap { display: grid; grid-template-columns: 1.05fr 1fr; gap: 56px; align-items: center; }
@media (max-width: 900px) { .hero { padding: 48px 0 64px; } .hero .wrap { grid-template-columns: 1fr; gap: 40px; } }
.eyebrow { color: var(--text-3); font-size: 14px; font-weight: 500; margin: 0 0 16px; }
h1 { font-size: clamp(38px, 6vw, 60px); line-height: 1.04; letter-spacing: -0.02em; font-weight: 700; margin: 0 0 20px; }
h1 em { font-style: normal; color: var(--text-3); }
.lead { color: var(--text-2); font-size: 18px; max-width: 34em; margin: 0 0 32px; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; }
.facts { display: flex; flex-wrap: wrap; gap: 8px 28px; margin: 40px 0 0; padding: 0; list-style: none; color: var(--text-3); font-size: 14px; }
.facts b { color: var(--text); font-weight: 600; font-size: 22px; display: block; line-height: 1.2; }

/* ---------- result card (hero sample) ---------- */
.result {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg);
  overflow: hidden; min-width: 0;
}
.result-req {
  padding: 14px 18px; border-bottom: 1px solid var(--border); background: var(--surface-raised);
  font: 13px/1.5 var(--mono); color: var(--text-2); white-space: nowrap; overflow-x: auto;
}
.result-req .verb { color: var(--text); font-weight: 600; }
.result-body { padding: 22px 20px 8px; }
.result-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; }
.result-name { font-size: 20px; font-weight: 700; line-height: 1.3; margin: 0; }
.result-reason { color: var(--text-3); font-size: 13px; margin: 6px 0 0; }
.grade {
  flex: none; width: 40px; height: 40px; border-radius: 10px; display: grid; place-items: center;
  font-weight: 700; font-size: 20px; color: #fff;
}
.grade-a { background: var(--grade-a); } .grade-b { background: var(--grade-b); }
.grade-c { background: var(--grade-c); } .grade-d { background: var(--grade-d); } .grade-e { background: var(--grade-e); }
.macros { display: grid; grid-template-columns: repeat(4, 1fr); margin: 22px 0 6px; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.macro { padding: 14px 0; text-align: left; }
.macro + .macro { padding-left: 14px; border-left: 1px solid var(--border); }
.macro b { display: block; font-size: 22px; font-weight: 700; line-height: 1.2; }
.macro b small { font-size: 13px; color: var(--text-3); font-weight: 500; margin-left: 2px; }
.macro span { color: var(--text-3); font-size: 12px; }
.items { list-style: none; margin: 0; padding: 0; }
.items li { display: flex; justify-content: space-between; gap: 12px; padding: 13px 0; border-bottom: 1px solid var(--border); font-size: 14px; }
.items li:last-child { border-bottom: 0; }
.items .item-name { font-weight: 500; }
.items .item-portion { color: var(--text-3); font-size: 13px; }
.items .item-kcal { color: var(--text-2); white-space: nowrap; }
.result-foot { padding: 12px 20px; border-top: 1px solid var(--border); color: var(--text-3); font-size: 12px; }

/* ---------- sections ---------- */
section { padding: 88px 0; border-top: 1px solid var(--border); }
@media (max-width: 640px) { section { padding: 64px 0; } }
h2 { font-size: clamp(28px, 4vw, 40px); line-height: 1.1; letter-spacing: -0.015em; margin: 0 0 12px; font-weight: 700; }
h3 { font-size: 18px; margin: 0 0 8px; font-weight: 700; }
.section-sub { color: var(--text-2); margin: 0 0 40px; max-width: 40em; }

/* inputs strip */
.inputs { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
@media (max-width: 800px) { .inputs { grid-template-columns: 1fr; } }
.input-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; }
.input-card code { display: inline-block; font-size: 12px; color: var(--text-2); background: var(--surface-raised); border: 1px solid var(--border); border-radius: 6px; padding: 2px 8px; margin-bottom: 14px; }
.input-card p { color: var(--text-3); margin: 0; font-size: 14px; }

/* pricing */
.plans { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
@media (max-width: 860px) { .plans { grid-template-columns: 1fr; } }
.plan { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 28px 24px; display: flex; flex-direction: column; }
.plan-name { color: var(--text-2); font-weight: 600; margin: 0 0 18px; }
.plan-price { font-size: 44px; font-weight: 700; line-height: 1; margin: 0; letter-spacing: -0.02em; }
.plan-price small { font-size: 16px; color: var(--text-3); font-weight: 500; letter-spacing: 0; }
.plan-scans { font-size: 18px; font-weight: 600; margin: 20px 0 4px; }
.plan-unit { color: var(--text-3); font-size: 14px; margin: 0 0 22px; }
.plan ul { list-style: none; padding: 18px 0 0; margin: auto 0 0; border-top: 1px solid var(--border); color: var(--text-2); font-size: 14px; display: grid; gap: 8px; }
.plan-notes { margin: 28px 0 0; padding: 0; list-style: none; display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px 32px; color: var(--text-3); font-size: 14px; }
@media (max-width: 700px) { .plan-notes { grid-template-columns: 1fr; } }
.plan-notes b { color: var(--text-2); font-weight: 600; }

/* docs */
.docs { display: grid; grid-template-columns: 200px 1fr; gap: 48px; }
@media (max-width: 900px) { .docs { grid-template-columns: 1fr; gap: 0; } .docs-toc { display: none; } }
.docs-toc { position: sticky; top: 96px; align-self: start; display: grid; gap: 4px; }
.docs-toc a { text-decoration: none; color: var(--text-3); font-size: 14px; padding: 6px 0; }
.docs-toc a:hover { color: var(--text); }
.doc { min-width: 0; }
.doc + .doc { margin-top: 56px; }
.doc p { color: var(--text-2); margin: 0 0 16px; }
.doc p code, .doc li code, .doc td code { font-size: 13px; background: var(--surface-raised); border: 1px solid var(--border); border-radius: 5px; padding: 1px 6px; color: var(--text); }
.code {
  position: relative; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  margin: 0 0 20px; overflow: hidden;
}
.code-label { display: flex; justify-content: space-between; align-items: center; padding: 8px 8px 8px 16px; border-bottom: 1px solid var(--border); color: var(--text-3); font-size: 12px; }
.copy { background: transparent; border: 1px solid var(--border); color: var(--text-2); border-radius: var(--pill); font: 500 12px/1 "Google Sans", sans-serif; padding: 6px 12px; cursor: pointer; }
.copy:hover { color: var(--text); border-color: var(--border-strong); }
.code pre { margin: 0; padding: 16px; overflow-x: auto; font-size: 13px; line-height: 1.6; color: var(--text-2); }
.code pre .k { color: var(--text); }
.code pre .c { color: var(--text-3); }

.table-scroll { overflow-x: auto; margin: 0 0 20px; border: 1px solid var(--border); border-radius: var(--radius); }
table { width: 100%; border-collapse: collapse; font-size: 14px; min-width: 520px; }
th, td { text-align: left; padding: 11px 14px; border-bottom: 1px solid var(--border); vertical-align: top; }
th { color: var(--text-3); font-weight: 500; font-size: 13px; background: var(--surface); }
td { color: var(--text-2); }
tr:last-child td { border-bottom: 0; }
td:first-child { white-space: nowrap; color: var(--text); }

/* start (landing): 3 steps + Get started card */
.access .wrap { display: grid; grid-template-columns: 1fr 1.2fr; gap: 56px; }
@media (max-width: 900px) { .access .wrap { grid-template-columns: 1fr; gap: 32px; } }
.steps { list-style: none; padding: 0; margin: 28px 0 0; display: grid; gap: 18px; counter-reset: step; }
.steps li { counter-increment: step; display: grid; grid-template-columns: 32px 1fr; gap: 12px; color: var(--text-2); font-size: 15px; }
.steps li::before { content: counter(step); width: 28px; height: 28px; border-radius: 50%; border: 1px solid var(--border-strong); display: grid; place-items: center; font-size: 13px; font-weight: 600; color: var(--text); }
.steps b { color: var(--text); font-weight: 600; display: block; }

.form { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 28px 24px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 560px) { .field-row { grid-template-columns: 1fr; } }
.field { display: grid; gap: 6px; margin: 0 0 18px; }
.field label { font-size: 14px; font-weight: 500; }
.field label .opt { color: var(--text-3); font-weight: 400; }
.field input, .field select, .field textarea {
  width: 100%; background: var(--bg); color: var(--text); border: 1px solid var(--border); border-radius: 10px;
  font: 400 15px/1.4 "Google Sans", system-ui, sans-serif; padding: 12px 14px;
}
.field textarea { min-height: 112px; resize: vertical; }
.field select { appearance: none; -webkit-appearance: none; background-image: linear-gradient(45deg, transparent 50%, var(--text-3) 50%), linear-gradient(135deg, var(--text-3) 50%, transparent 50%); background-position: calc(100% - 20px) 50%, calc(100% - 15px) 50%; background-size: 5px 5px; background-repeat: no-repeat; padding-right: 36px; }
.field input::placeholder, .field textarea::placeholder { color: var(--text-3); }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--text-2); }
.field-hint { color: var(--text-3); font-size: 12px; }
.form-foot { display: flex; flex-wrap: wrap; align-items: center; gap: 16px; margin-top: 6px; }
.form-fine { color: var(--text-3); font-size: 12px; margin: 0; flex: 1 1 220px; }
.form-error { color: var(--error); font-size: 14px; margin: 0 0 14px; min-height: 0; }
.form-error:empty { display: none; }
.start-card { align-self: start; }
.start-card h3 { font-size: 22px; margin: 0 0 8px; }
.start-card p { color: var(--text-2); margin: 0 0 24px; }
.start-card .form-fine { margin: 16px 0 0; }
[hidden] { display: none !important; }

/* footer */
.site-footer { border-top: 1px solid var(--border); padding: 32px 0 48px; color: var(--text-3); font-size: 14px; }
.site-footer .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; }
.site-footer a { color: var(--text-2); }

/* ---------- dashboard (dashboard.html) ---------- */
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.nav-email { color: var(--text-3); font-size: 14px; max-width: 220px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
@media (max-width: 640px) { .nav-email { display: none; } }
.dash { min-height: calc(100vh - 64px - 120px); padding: 48px 0 72px; }
.dash-loading { color: var(--text-3); text-align: center; margin: 120px 0; }

.signin { border-top: 0; padding: 40px var(--gutter); }
.signin-card { max-width: 420px; margin: 0 auto; }
.signin-title { font-size: 32px; margin: 0 0 8px; }
.signin-sub { color: var(--text-2); margin: 0 0 24px; font-size: 15px; }
.signin-sub b { color: var(--text); font-weight: 500; word-break: break-all; }
.signin-links { display: flex; justify-content: space-between; gap: 12px; margin-top: 18px; }
.signin-fine { color: var(--text-3); font-size: 14px; margin: 24px 0 0; padding-top: 18px; border-top: 1px solid var(--border); }
.btn-block { width: 100%; }
.code-input { font-size: 24px !important; letter-spacing: 0.4em; text-align: center; font-variant-numeric: tabular-nums; }
.link-btn { background: none; border: 0; padding: 4px 0; color: var(--text-2); font: 500 14px/1.3 "Google Sans", system-ui, sans-serif; cursor: pointer; }
.link-btn:hover:not([disabled]) { color: var(--text); }
.link-btn[disabled] { color: var(--text-3); cursor: default; }
.link-danger { color: var(--error); }
.link-danger:hover:not([disabled]) { color: var(--error); opacity: 0.85; }

.panel { border-top: 0; margin: 0 0 24px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 24px; }
.panel-title { font-size: 16px; font-weight: 700; letter-spacing: 0; margin: 0 0 16px; }
.panel .table-scroll { margin: 0; }
.panel table { background: var(--bg); }

.usage-hero { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; }
.usage-left { margin: 0; color: var(--text-3); font-size: 15px; }
.usage-left b { display: block; color: var(--text); font-size: clamp(40px, 7vw, 56px); line-height: 1; font-weight: 700; letter-spacing: -0.02em; font-variant-numeric: tabular-nums; margin-bottom: 6px; }
.status-pill { border: 1px solid var(--border-strong); border-radius: var(--pill); padding: 5px 12px; font-size: 13px; font-weight: 500; white-space: nowrap; }
.status-ok { color: var(--ok); border-color: var(--ok); }
.status-warn { color: var(--grade-c); border-color: var(--grade-c); }
.status-bad { color: var(--error); border-color: var(--error); }
.meter { height: 6px; border-radius: 3px; background: var(--border); margin: 20px 0 22px; overflow: hidden; }
.meter i { display: block; height: 100%; width: var(--fill, 0%); background: var(--text); border-radius: 3px; transition: width .4s ease; }
@media (prefers-reduced-motion: reduce) { .meter i { transition: none; } }
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; margin: 0; border-top: 1px solid var(--border); }
.stats div { padding: 14px 0 0; }
.stats div + div { padding-left: 16px; border-left: 1px solid var(--border); }
.stats dt { color: var(--text-3); font-size: 12px; }
.stats dd { margin: 2px 0 0; font-size: 16px; font-weight: 600; }
@media (max-width: 640px) {
  .stats { grid-template-columns: 1fr 1fr; }
  .stats div:nth-child(3) { padding-left: 0; border-left: 0; }
}

.panel-sub { color: var(--text-2); font-size: 14px; margin: -8px 0 16px; }
.panel-note { color: var(--error); font-size: 14px; margin: 16px 0 0; }
.panel-done { color: var(--ok); font-size: 14px; margin: 14px 0 0; }
#buy-error { margin: 14px 0 0; }

/* buy credits: one card per pack */
.packs { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.pack { background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px 16px 16px; display: flex; flex-direction: column; }
.pack-name { color: var(--text-2); font-weight: 600; font-size: 14px; margin: 0 0 10px; }
.pack-price { font-size: 30px; font-weight: 700; line-height: 1; letter-spacing: -0.02em; margin: 0; }
.pack-credits { color: var(--text-3); font-size: 14px; margin: 8px 0 16px; font-variant-numeric: tabular-nums; }
.pack .btn { margin-top: auto; }
.btn[disabled].btn-ghost { cursor: default; }
@media (max-width: 700px) {
  .packs { grid-template-columns: 1fr; gap: 8px; }
  .pack { display: grid; grid-template-columns: 1fr auto; column-gap: 16px; align-items: center; padding: 14px 16px; }
  .pack .btn { grid-column: 2; grid-row: 1 / 4; width: auto; margin: 0; padding: 0 22px; }
  .pack-name { margin-bottom: 6px; }
  .pack-price { font-size: 24px; }
  .pack-credits { margin: 6px 0 0; }
}

/* keys before the first purchase */
.locked { color: var(--text-2); font-size: 15px; margin: 0; padding: 18px 16px; border: 1px dashed var(--border-strong); border-radius: var(--radius); }

.key-form { display: grid; grid-template-columns: 1fr 1fr auto; gap: 12px; align-items: end; margin-bottom: 4px; }
.key-form .field { margin: 0; }
@media (max-width: 700px) { .key-form { grid-template-columns: 1fr; } }
#key-error { margin: 12px 0 0; }
.new-key { margin: 16px 0 0; }
.api-url { margin: 0 0 16px; }
.new-key-title { font-size: 14px; font-weight: 500; color: var(--grade-c); margin: 0 0 8px; }
.new-key pre { color: var(--text); word-break: break-all; white-space: pre-wrap; }
.key-form ~ .table-scroll { margin-top: 20px; }

.chip { display: inline-block; border-radius: var(--pill); padding: 2px 10px; font-size: 12px; font-weight: 500; border: 1px solid var(--border-strong); color: var(--text-2); }
.chip-live { color: var(--text); border-color: var(--text-2); }
.row-off td { color: var(--text-3); }
.row-off td:first-child { color: var(--text-3); text-decoration: line-through; }
.cell-action { text-align: right; white-space: nowrap; }
.cell-bad { color: var(--error) !important; }
td code { font-size: 13px; color: var(--text-2); }
.grade-sm { width: 26px; height: 26px; border-radius: 7px; font-size: 14px; }
.empty { color: var(--text-3); font-size: 14px; margin: 16px 0 0; }
.more { margin-top: 16px; }
.panel td { vertical-align: middle; }
.cell-action .link-btn { padding: 0; }

/* phone: key rows stack (name + type, key, last used + revoke); scans keep time, dish, grade, credits */
@media (max-width: 640px) {
  .panel { padding: 20px 16px; }
  .keys-table, .scans-table, .buys-table { min-width: 0; }
  .keys-table thead { display: none; }
  .keys-table tr { display: grid; grid-template-columns: 1fr auto; gap: 6px 12px; padding: 14px 16px; border-bottom: 1px solid var(--border); }
  .keys-table tr:last-child { border-bottom: 0; }
  .keys-table td { padding: 0; border: 0; }
  .keys-table .cell-name { grid-column: 1; grid-row: 1; }
  .keys-table .cell-mode { grid-column: 2; grid-row: 1; text-align: right; }
  .keys-table .cell-key { grid-column: 1 / -1; grid-row: 2; }
  .keys-table .cell-created { display: none; }
  .keys-table .cell-used { grid-column: 1; grid-row: 3; color: var(--text-3); font-size: 13px; white-space: normal; }
  .keys-table .cell-used[data-label]::before { content: attr(data-label); }
  .keys-table .cell-action { grid-column: 2; grid-row: 3; }
  .scans-table .col-wide, .buys-table .col-wide { display: none; }
  .scans-table th, .scans-table td { padding: 11px 10px; }
  .scans-table td:first-child { white-space: normal; }
}