:root {
  --ink: #15202a;
  --ink-soft: #53616b;
  --paper: #f4f5f0;
  --paper-deep: #e9ece5;
  --white: #fbfcf8;
  --blue: #1457d4;
  --blue-dark: #0e3c96;
  --line: rgba(21, 32, 42, .14);
  --line-strong: rgba(21, 32, 42, .24);
  --green: #1d8b67;
  --amber: #b87816;
  --serif: Georgia, 'Times New Roman', serif;
  --sans: 'Space Grotesk', ui-sans-serif, system-ui, sans-serif;
  --mono: 'IBM Plex Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
}

* { box-sizing: border-box; }

html { min-width: 320px; background: var(--paper); }

body {
  min-height: 100vh;
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 84% 13%, rgba(20, 87, 212, .1), transparent 26rem),
    radial-gradient(circle at 4% 82%, rgba(29, 139, 103, .08), transparent 23rem),
    var(--paper);
  font-family: var(--sans);
  line-height: 1.5;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -2;
  background-image: linear-gradient(rgba(21, 32, 42, .035) 1px, transparent 1px), linear-gradient(90deg, rgba(21, 32, 42, .035) 1px, transparent 1px);
  background-size: 44px 44px;
  content: '';
  mask-image: linear-gradient(to bottom, black, transparent 88%);
}

.grain { position: fixed; inset: 0; z-index: -1; opacity: .08; pointer-events: none; background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 160 160' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.12'/%3E%3C/svg%3E"); }

.shell { width: min(1180px, calc(100% - 48px)); margin: 0 auto; }

.topbar { display: flex; align-items: center; justify-content: space-between; padding: 28px 0; border-bottom: 1px solid var(--line); }

.brand { display: inline-flex; align-items: center; gap: 11px; color: var(--ink); font-size: .9rem; font-weight: 700; letter-spacing: -.02em; text-decoration: none; }

.brand-mark { display: inline-flex; align-items: end; gap: 3px; width: 22px; height: 22px; padding: 3px; border: 2px solid var(--ink); border-radius: 7px 7px 7px 2px; transform: rotate(-8deg); }
.brand-mark span { display: block; width: 3px; background: var(--blue); border-radius: 2px; }
.brand-mark span:nth-child(1) { height: 7px; }.brand-mark span:nth-child(2) { height: 11px; }.brand-mark span:nth-child(3) { height: 15px; }

.topbar-meta, .panel-kicker, .eyebrow, .result-status, .json-panel-head, .footer { font-family: var(--mono); font-size: .66rem; letter-spacing: .12em; text-transform: uppercase; }
.topbar-meta { display: inline-flex; align-items: center; gap: 8px; color: var(--ink-soft); }
.status-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 4px rgba(29, 139, 103, .12); }

h1, h2, p { margin-top: 0; }
h1 { max-width: 720px; margin-bottom: 20px; font-size: clamp(2.7rem, 6vw, 5.5rem); font-weight: 600; letter-spacing: -.075em; line-height: .98; }
h2 { margin-bottom: 10px; font-size: clamp(1.3rem, 2.5vw, 2rem); letter-spacing: -.045em; line-height: 1.05; }
.eyebrow { margin-bottom: 18px; color: var(--blue-dark); font-weight: 600; }
.lede { max-width: 610px; color: var(--ink-soft); font-size: clamp(1rem, 1.5vw, 1.18rem); line-height: 1.65; }
.muted { color: var(--ink-soft); font-size: .88rem; line-height: 1.6; }

.login-layout { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(320px, .75fr); align-items: center; gap: clamp(48px, 10vw, 150px); min-height: 650px; padding: 72px 0 96px; }
.hero-copy { animation: rise-in .7s ease both; }
.auth-card { animation: rise-in .7s .1s ease both; }

.proof-strip { display: flex; gap: 10px; margin-top: 45px; }
.proof-strip > div { display: grid; gap: 5px; min-width: 110px; padding: 13px 14px; border-top: 2px solid var(--ink); }
.proof-strip strong { color: var(--blue); font-family: var(--mono); font-size: .68rem; }.proof-strip span { font-size: .78rem; font-weight: 600; }

.panel { border: 1px solid var(--line-strong); border-radius: 18px; background: rgba(251, 252, 248, .8); box-shadow: 0 24px 80px rgba(21, 32, 42, .07); backdrop-filter: blur(10px); }
.auth-card, .capture-panel, .contract-panel, .result-summary, .json-panel { padding: clamp(24px, 4vw, 40px); }
.auth-card { position: relative; overflow: hidden; }
.auth-card::after { position: absolute; top: -90px; right: -80px; width: 190px; height: 190px; border: 1px solid rgba(20, 87, 212, .25); border-radius: 50%; box-shadow: 0 0 0 18px rgba(20, 87, 212, .04), 0 0 0 38px rgba(20, 87, 212, .04); content: ''; }
.panel-kicker { margin-bottom: 17px; color: var(--ink-soft); }

.stack-form { display: grid; gap: 9px; }
label { color: var(--ink); font-size: .78rem; font-weight: 600; }
input[type='text'], input[type='password'], input[type='url'], input:not([type]) { width: 100%; min-height: 48px; padding: 11px 13px; border: 1px solid var(--line-strong); border-radius: 9px; color: var(--ink); background: rgba(255, 255, 255, .72); font: inherit; outline: none; transition: border-color .2s, box-shadow .2s, background .2s; }
input:focus { border-color: var(--blue); background: var(--white); box-shadow: 0 0 0 4px rgba(20, 87, 212, .14); }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 10px; min-height: 48px; padding: 11px 17px; border: 1px solid transparent; border-radius: 9px; cursor: pointer; font: 600 .8rem var(--sans); transition: transform .2s, background .2s, box-shadow .2s; }
.button:hover { transform: translateY(-1px); }.button:focus-visible, .copy-button:focus-visible, .whatsapp-link:focus-visible, .brand:focus-visible { outline: 3px solid rgba(20, 87, 212, .35); outline-offset: 3px; }
.button-primary { color: white; background: var(--blue); box-shadow: 0 10px 20px rgba(20, 87, 212, .18); }.button-primary:hover { background: var(--blue-dark); }
.button-primary:disabled { cursor: wait; opacity: .62; transform: none; }
.button-quiet { min-height: 38px; color: var(--ink-soft); background: transparent; border-color: var(--line); }.button-quiet:hover { color: var(--ink); background: rgba(255, 255, 255, .6); }
.form-error { margin: 3px 0 0; color: #a5372e; font-size: .77rem; }
.contact-note { display: flex; flex-wrap: wrap; gap: 5px; margin-top: 25px; padding-top: 18px; border-top: 1px solid var(--line); color: var(--ink-soft); font-size: .78rem; }
.whatsapp-link { color: var(--blue-dark); font-weight: 600; text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 3px; }

#workspace-view { padding: 68px 0 96px; animation: rise-in .6s ease both; }
.workspace-header { display: flex; align-items: end; justify-content: space-between; gap: 28px; padding-bottom: 46px; }
.workspace-header h1 { max-width: 700px; margin-bottom: 14px; font-size: clamp(2.4rem, 5vw, 4.5rem); }
.workspace-actions { display: flex; align-items: center; gap: 13px; padding-bottom: 4px; }.user-chip { max-width: 180px; overflow: hidden; color: var(--ink-soft); font: .67rem var(--mono); text-overflow: ellipsis; text-transform: uppercase; }
.capture-grid, .result-grid { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(300px, .9fr); gap: 18px; }
.capture-panel, .contract-panel { min-height: 390px; }.capture-panel { background: var(--ink); color: var(--white); border-color: var(--ink); }.capture-panel .panel-kicker { color: #a9bad5; }.capture-panel label { color: #dce5f3; }.capture-panel input { border-color: rgba(255,255,255,.28); color: var(--white); background: rgba(255,255,255,.08); }.capture-panel input::placeholder { color: #9eacbd; }.capture-panel input:focus { border-color: #80a7ff; box-shadow: 0 0 0 4px rgba(128,167,255,.16); }.capture-panel .button-primary { color: var(--ink); background: #bbd0ff; box-shadow: none; }.capture-panel .button-primary:hover { background: #e1eaff; }.capture-panel .form-error { color: #ffb2a9; }
.check-row { display: flex; align-items: start; gap: 10px; margin: 5px 0 8px; color: #dce5f3; font-size: .76rem; font-weight: 400; line-height: 1.45; }.check-row input { flex: 0 0 auto; width: 17px; height: 17px; min-height: 17px; margin: 1px 0 0; accent-color: #bbd0ff; }
.guardrail-list { display: flex; flex-wrap: wrap; gap: 18px; margin-top: 35px; color: #a9bad5; font: .64rem var(--mono); text-transform: uppercase; }.guardrail-list > div { display: inline-flex; align-items: center; gap: 7px; }.mini-dot { width: 6px; height: 6px; border-radius: 50%; }.mini-dot.green { background: #6bd6ae; }.mini-dot.amber { background: #ffd27c; }
.contract-panel { background: rgba(255, 255, 255, .48); }.contract-list { display: grid; gap: 0; padding: 0; margin: 22px 0 30px; list-style: none; }.contract-list li { display: grid; grid-template-columns: 100px 1fr; gap: 14px; padding: 15px 0; border-top: 1px solid var(--line); font-size: .77rem; }.contract-list li:last-child { border-bottom: 1px solid var(--line); }.contract-list strong { font-family: var(--mono); font-size: .66rem; font-weight: 500; text-transform: uppercase; }.contract-list span { color: var(--ink-soft); }

.result-section { margin-top: 76px; }.result-heading { display: flex; align-items: end; justify-content: space-between; gap: 24px; margin-bottom: 22px; }.result-heading h2 { font-size: clamp(1.8rem, 3.5vw, 3rem); }.result-status { padding: 8px 10px; border-radius: 99px; color: var(--green); background: rgba(29, 139, 103, .11); }.summary-url { overflow: hidden; color: var(--blue-dark); font: .68rem var(--mono); text-overflow: ellipsis; white-space: nowrap; }.summary-title { min-height: 70px; margin: 18px 0 23px; font-size: 1.5rem; font-weight: 600; letter-spacing: -.04em; line-height: 1.1; }.metric-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; padding: 15px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }.metric-row div { display: grid; gap: 3px; }.metric-row strong { font-size: 1.45rem; letter-spacing: -.04em; }.metric-row span { color: var(--ink-soft); font: .62rem var(--mono); text-transform: uppercase; }.component-list { display: grid; gap: 8px; margin-top: 22px; }.component-item { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 11px 12px; border: 1px solid var(--line); border-radius: 8px; font-size: .77rem; }.component-item span:last-child { color: var(--ink-soft); font: .62rem var(--mono); text-transform: uppercase; }.component-item.inferred { background: rgba(184,120,22,.06); }.component-item.observed { background: rgba(29,139,103,.06); }.evidence-column { display: grid; gap: 18px; min-width: 0; }.screenshot-panel { padding: clamp(20px, 3vw, 30px); background: rgba(255, 255, 255, .62); }.screenshot-panel .json-panel-head { color: var(--ink-soft); }.shot-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; margin-top: 20px; }.shot-grid figure { min-width: 0; margin: 0; }.shot-grid figcaption { margin-bottom: 8px; color: var(--ink-soft); font: .62rem var(--mono); letter-spacing: .1em; }.shot-grid img { display: block; width: 100%; max-height: 360px; border: 1px solid var(--line); border-radius: 9px; background: var(--paper-deep); object-fit: cover; object-position: top; }
.json-panel { min-width: 0; color: #dce5f3; background: #1b2a35; border-color: #1b2a35; box-shadow: 0 24px 80px rgba(21,32,42,.14); }.json-panel-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; color: #a9bad5; }.copy-button { padding: 6px 8px; border: 1px solid rgba(220,229,243,.25); border-radius: 5px; color: #dce5f3; background: transparent; cursor: pointer; font: .6rem var(--mono); }.copy-button:hover { background: rgba(255,255,255,.08); }.resource-uri { overflow: auto; margin: 22px 0 15px; padding: 11px; border-radius: 7px; color: #bbd0ff; background: rgba(255,255,255,.07); font: .65rem var(--mono); white-space: pre-wrap; word-break: break-all; }.json-preview { overflow: auto; max-height: 390px; margin: 0; color: #bdd9c9; font: .65rem/1.65 var(--mono); white-space: pre-wrap; word-break: break-word; }.copy-status { margin-top: 12px; color: var(--green); font: .7rem var(--mono); }

.footer { display: flex; justify-content: space-between; gap: 16px; padding: 24px 0 30px; color: var(--ink-soft); border-top: 1px solid var(--line); }

[hidden] { display: none !important; }
@keyframes rise-in { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: none; } }

@media (max-width: 820px) {
  .shell { width: min(100% - 32px, 640px); }.login-layout { grid-template-columns: 1fr; gap: 35px; min-height: 0; padding: 60px 0 70px; }.proof-strip { margin-top: 30px; }.auth-card { max-width: 520px; }.workspace-header { align-items: start; flex-direction: column; padding-bottom: 34px; }.capture-grid, .result-grid { grid-template-columns: 1fr; }.capture-panel, .contract-panel { min-height: 0; }.result-section { margin-top: 55px; }
}

@media (max-width: 500px) {
  .topbar { padding: 20px 0; }.topbar-meta { font-size: .57rem; }.login-layout { padding-top: 45px; }.proof-strip { display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px; }.proof-strip > div { min-width: 0; padding: 10px 8px; }.proof-strip span { font-size: .68rem; }.auth-card, .capture-panel, .contract-panel, .result-summary, .json-panel { padding: 22px 19px; }.workspace-actions { width: 100%; justify-content: space-between; }.result-heading { align-items: start; flex-direction: column; }.contract-list li { grid-template-columns: 88px 1fr; gap: 8px; }.footer { align-items: start; flex-direction: column; font-size: .58rem; }
  .shot-grid { grid-template-columns: 1fr; }
}