/* ============================================================
   pwarh.xyz — Physical RWA protocol on Robinhood Chain
   Aesthetic: dark charcoal/slate, warm off-white text,
   one refined deep-gold accent. Institutional, trustworthy.
   ============================================================ */

/* ---------- Design tokens ---------- */
:root,
[data-theme='light'] {
  --font-display: 'General Sans', 'Inter', system-ui, sans-serif;
  --font-body: 'Satoshi', 'Inter', system-ui, sans-serif;

  /* Surfaces — light */
  --color-bg: #f4f3ef;
  --color-surface: #faf9f6;
  --color-surface-2: #f0eee9;
  --color-surface-offset: #eceae4;
  --color-divider: #e2dfd8;
  --color-border: #d6d3ca;

  --color-text: #1a1c20;
  --color-text-muted: #61636a;
  --color-text-faint: #9a9ca3;

  --color-accent: #8a6d1f;          /* deep gold */
  --color-accent-hover: #6f5817;
  --color-accent-soft: #efe3c4;
  --color-accent-text: #ffffff;

  --shadow-sm: 0 1px 2px rgba(20,16,4,0.06);
  --shadow-md: 0 6px 18px rgba(20,16,4,0.08);
  --shadow-lg: 0 18px 48px rgba(20,16,4,0.12);
}

[data-theme='dark'] {
  --color-bg: #0d0e11;
  --color-surface: #14161a;
  --color-surface-2: #1a1d22;
  --color-surface-offset: #161820;
  --color-divider: #23262d;
  --color-border: #2c3038;

  --color-text: #e8e6e1;
  --color-text-muted: #9a9ca4;
  --color-text-faint: #62656d;

  --color-accent: #c9a24b;          /* deep gold — primary accent */
  --color-accent-hover: #d9b562;
  --color-accent-soft: rgba(201,162,75,0.12);
  --color-accent-text: #1a1208;

  --shadow-sm: 0 1px 2px rgba(0,0,0,0.4);
  --shadow-md: 0 8px 24px rgba(0,0,0,0.45);
  --shadow-lg: 0 24px 64px rgba(0,0,0,0.55);
}

/* ---------- Type scale ---------- */
:root {
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.8125rem);
  --text-sm: clamp(0.8125rem, 0.76rem + 0.28vw, 0.9375rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.0625rem);
  --text-lg: clamp(1.125rem, 1rem + 0.6vw, 1.375rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.3vw, 2.25rem);
  --text-2xl: clamp(2.1rem, 1.4rem + 3vw, 3.6rem);

  --space-1: 0.25rem; --space-2: 0.5rem; --space-3: 0.75rem;
  --space-4: 1rem; --space-5: 1.25rem; --space-6: 1.5rem;
  --space-8: 2rem; --space-10: 2.5rem; --space-12: 3rem;
  --space-16: 4rem; --space-20: 5rem; --space-24: 6rem;
  --space-32: 8rem;

  --radius-sm: 0.375rem; --radius-md: 0.625rem; --radius-lg: 0.875rem;
  --radius-xl: 1.25rem; --radius-full: 9999px;

  --transition: 180ms cubic-bezier(0.16, 1, 0.3, 1);

  --content: 1180px;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html {
  -webkit-text-size-adjust: none; text-size-adjust: none;
  -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility; scroll-behavior: smooth;
  scroll-padding-top: var(--space-20);
}
body {
  min-height: 100dvh; line-height: 1.6;
  font-family: var(--font-body); font-size: var(--text-base);
  color: var(--color-text); background-color: var(--color-bg);
}
img, svg { display: block; max-width: 100%; height: auto; }
ul, ol { list-style: none; }
input, button, textarea, select { font: inherit; color: inherit; }
h1, h2, h3, h4 { font-family: var(--font-display); text-wrap: balance; line-height: 1.12; letter-spacing: -0.01em; font-weight: 600; }
p, li { text-wrap: pretty; max-width: 72ch; }
a { color: inherit; text-decoration: none; }
::selection { background: var(--color-accent-soft); color: var(--color-text); }
:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 3px; border-radius: var(--radius-sm); }
button { cursor: pointer; background: none; border: none; }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; }
}

/* ---------- Layout ---------- */
.container { width: 100%; max-width: var(--content); margin-inline: auto; padding-inline: var(--space-6); }
.section { padding-block: clamp(var(--space-12), 6vw, var(--space-24)); }
.section-offset { background: var(--color-surface); border-block: 1px solid var(--color-divider); }
.section-head { max-width: 64ch; margin-bottom: var(--space-10); }
.registry-head { display: flex; justify-content: space-between; align-items: flex-end; gap: var(--space-4); flex-wrap: wrap; max-width: none; }

.eyebrow {
  display: inline-flex; align-items: center; gap: var(--space-2);
  font-family: var(--font-display); font-size: var(--text-xs); font-weight: 500;
  letter-spacing: 0.14em; text-transform: uppercase; color: var(--color-text-muted);
  margin-bottom: var(--space-4);
}
.eyebrow-dot { width: 6px; height: 6px; border-radius: var(--radius-full); background: var(--color-accent); display: inline-block; }
.section-title { font-size: var(--text-xl); font-weight: 600; }
.section-sub { color: var(--color-text-muted); margin-top: var(--space-3); font-size: var(--text-base); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--space-2);
  font-family: var(--font-display); font-size: var(--text-sm); font-weight: 500;
  padding: 0.7rem 1.15rem; border-radius: var(--radius-md);
  border: 1px solid transparent; white-space: nowrap;
  transition: background var(--transition), color var(--transition), border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }
.btn-primary { background: var(--color-accent); color: var(--color-accent-text); }
.btn-primary:hover:not(:disabled) { background: var(--color-accent-hover); box-shadow: var(--shadow-md); }
.btn-ghost { background: transparent; border-color: var(--color-border); color: var(--color-text); }
.btn-ghost:hover:not(:disabled) { border-color: var(--color-accent); color: var(--color-accent); }
.btn-sm { padding: 0.5rem 0.85rem; font-size: var(--text-xs); }
.btn-block { width: 100%; }

/* ---------- Header ---------- */
.header {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in oklab, var(--color-bg) 82%, transparent);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--color-divider);
}
.header-inner { display: flex; align-items: center; gap: var(--space-6); height: 68px; }
.brand { display: inline-flex; align-items: center; gap: var(--space-3); }
.brand-mark { width: 28px; height: 28px; color: var(--color-accent); }
.brand-text { font-family: var(--font-display); font-weight: 600; font-size: var(--text-lg); letter-spacing: -0.02em; }
.brand-dot { color: var(--color-accent); }
.nav { display: flex; align-items: center; gap: var(--space-6); margin-left: auto; }
.nav a { font-size: var(--text-sm); color: var(--color-text-muted); font-weight: 500; }
.nav a:hover { color: var(--color-text); }
.nav-explorer::after { content: " ↗"; opacity: 0.6; }
.header-actions { margin-left: var(--space-2); }
@media (max-width: 860px) { .nav { display: none; } }

/* ---------- Hero ---------- */
.hero { position: relative; overflow: hidden; padding-block: clamp(var(--space-16), 9vw, var(--space-32)); }
.hero-bg { position: absolute; inset: 0; color: var(--color-accent); opacity: 0.5; pointer-events: none; }
.hero-bg .hero-grid { width: 100%; height: 100%; }
.hero-inner { position: relative; max-width: 880px; }
.hero-title { font-size: var(--text-2xl); font-weight: 700; letter-spacing: -0.03em; max-width: 18ch; }
.hero-title em { font-style: normal; color: var(--color-accent); }
.hero-sub { color: var(--color-text-muted); margin-top: var(--space-6); font-size: var(--text-lg); max-width: 62ch; }
.hero-cta { display: flex; gap: var(--space-3); margin-top: var(--space-8); flex-wrap: wrap; }
.hero-cta .btn { padding: 0.85rem 1.4rem; font-size: var(--text-base); }
.hero-stats { display: flex; gap: var(--space-10); margin-top: var(--space-16); flex-wrap: wrap; }
.stat { display: flex; flex-direction: column; gap: 2px; }
.stat-value { font-family: var(--font-display); font-size: var(--text-xl); font-weight: 600; letter-spacing: -0.01em; }
.stat-label { font-size: var(--text-xs); color: var(--color-text-faint); text-transform: uppercase; letter-spacing: 0.08em; }

/* ---------- Steps ---------- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-6); }
.step { padding: var(--space-6); background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-lg); }
.step-num { font-family: var(--font-display); font-size: var(--text-sm); font-weight: 600; color: var(--color-accent); letter-spacing: 0.1em; display: block; margin-bottom: var(--space-4); }
.step-title { font-size: var(--text-lg); margin-bottom: var(--space-2); }
.step-body { font-size: var(--text-sm); color: var(--color-text-muted); }
.step-body strong { color: var(--color-text); font-weight: 600; }
@media (max-width: 900px) { .steps { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .steps { grid-template-columns: 1fr; } }

/* ---------- Submit ---------- */
.submit-grid { display: grid; grid-template-columns: 0.85fr 1fr; gap: clamp(var(--space-8), 5vw, var(--space-16)); align-items: start; }
@media (max-width: 880px) { .submit-grid { grid-template-columns: 1fr; } }
.submit-note {
  display: flex; gap: var(--space-3); align-items: flex-start;
  margin-top: var(--space-6); padding: var(--space-4);
  background: var(--color-accent-soft); border: 1px solid color-mix(in oklab, var(--color-accent) 30%, transparent);
  border-radius: var(--radius-md); font-size: var(--text-sm); color: var(--color-text);
}
.submit-note svg { flex-shrink: 0; margin-top: 2px; color: var(--color-accent); }

.submit-card {
  padding: var(--space-8); background: var(--color-bg); border: 1px solid var(--color-border);
  border-radius: var(--radius-xl); box-shadow: var(--shadow-md);
}
[data-theme='light'] .submit-card { background: var(--color-surface); }
.field { margin-bottom: var(--space-5); }
.field label { display: block; font-family: var(--font-display); font-size: var(--text-sm); font-weight: 500; margin-bottom: var(--space-2); }
.field input {
  width: 100%; padding: 0.8rem 0.95rem; font-size: var(--text-base);
  background: var(--color-surface-2); border: 1px solid var(--color-border);
  border-radius: var(--radius-md); color: var(--color-text);
  transition: border-color var(--transition), box-shadow var(--transition);
}
.field input::placeholder { color: var(--color-text-faint); }
.field input:focus-visible { outline: none; border-color: var(--color-accent); box-shadow: 0 0 0 3px var(--color-accent-soft); }
.field-help { display: block; margin-top: var(--space-2); font-size: var(--text-xs); color: var(--color-text-faint); }
.beneficiary-row { display: flex; gap: var(--space-2); }
.beneficiary-row input { flex: 1; font-family: ui-monospace, 'SF Mono', Menlo, monospace; font-size: var(--text-sm); }

.form-status { min-height: 1.5rem; font-size: var(--text-sm); margin: var(--space-2) 0 var(--space-2); }
.form-status.ok { color: var(--color-accent); }
.form-status.err { color: #e2685b; }
.form-status .ok-link { color: var(--color-accent); text-decoration: underline; text-underline-offset: 2px; word-break: break-all; }

.form-actions { margin-top: var(--space-5); }

/* ---------- Registry ---------- */
.registry-wrap { border: 1px solid var(--color-border); border-radius: var(--radius-lg); overflow: hidden; background: var(--color-surface); }
.registry-table-scroll { overflow-x: auto; }
.registry-table { width: 100%; min-width: 720px; }
.registry-table th, .registry-table td { padding: var(--space-4) var(--space-5); text-align: left; font-size: var(--text-sm); vertical-align: middle; }
.registry-table thead th { background: var(--color-surface-2); font-family: var(--font-body, ui-sans-serif, system-ui, -apple-system, sans-serif); font-weight: 600; font-size: var(--text-xs); text-transform: uppercase; letter-spacing: 0.02em; color: var(--color-text-muted); border-bottom: 1px solid var(--color-border); white-space: nowrap; }
.registry-table tbody tr + tr td, .registry-table tbody tr + tr th { border-top: 1px solid var(--color-divider); }
.registry-table td { font-variant-numeric: tabular-nums; }
.registry-table .col-id { font-family: ui-monospace, Menlo, monospace; color: var(--color-text-faint); }
.registry-table .mono { font-family: ui-monospace, Menlo, monospace; font-size: var(--text-xs); }
.registry-table a { color: var(--color-accent); text-decoration: none; }
.registry-table a:hover { text-decoration: underline; text-underline-offset: 2px; }
.registry-empty, .registry-loading, .registry-error { text-align: center; color: var(--color-text-muted); padding: var(--space-16) var(--space-4) !important; }
.registry-error { color: #e2685b; }

/* status chips */
.chip { display: inline-flex; align-items: center; gap: 6px; padding: 3px 10px; border-radius: var(--radius-full); font-size: var(--text-xs); font-weight: 500; font-family: var(--font-display); border: 1px solid transparent; white-space: nowrap; }
.chip::before { content: ""; width: 6px; height: 6px; border-radius: var(--radius-full); background: currentColor; }
.chip-s-submitted { color: #8a9bae; background: rgba(138,155,174,0.12); }
.chip-s-inreview { color: #c9a24b; background: rgba(201,162,75,0.12); }
.chip-s-custodyreceived { color: #7fa6c2; background: rgba(127,166,194,0.12); }
.chip-s-appraised { color: #b08bd1; background: rgba(176,139,209,0.12); }
.chip-s-tokenized { color: #6fae6e; background: rgba(111,174,110,0.14); }
.chip-s-frozen { color: #9a9ca4; background: rgba(154,156,164,0.12); }
.chip-s-redeemed { color: #5fa897; background: rgba(95,168,151,0.12); }
.chip-s-rejected { color: #e2685b; background: rgba(226,104,91,0.12); }

.registry-pager { display: flex; justify-content: space-between; align-items: center; padding: var(--space-4) var(--space-5); border-top: 1px solid var(--color-divider); background: var(--color-surface-2); }
.page-info { font-size: var(--text-xs); color: var(--color-text-muted); font-variant-numeric: tabular-nums; }

/* ---------- Footer ---------- */
.footer { border-top: 1px solid var(--color-divider); background: var(--color-surface); padding-block: var(--space-12) var(--space-8); }
.footer-inner { display: flex; justify-content: space-between; gap: var(--space-8); flex-wrap: wrap; align-items: flex-start; }
.footer-brand { display: flex; gap: var(--space-3); align-items: center; }
.footer-brand .brand-mark { width: 32px; height: 32px; }
.footer-name { font-family: var(--font-display); font-weight: 600; font-size: var(--text-base); }
.footer-tag { font-size: var(--text-xs); color: var(--color-text-faint); }
.footer-links { display: flex; gap: var(--space-6); flex-wrap: wrap; }
.footer-links a { font-size: var(--text-sm); color: var(--color-text-muted); }
.footer-links a:hover { color: var(--color-accent); }
.footer-disclaimer { margin-top: var(--space-8); padding-top: var(--space-6); border-top: 1px solid var(--color-divider); font-size: var(--text-xs); color: var(--color-text-faint); max-width: 90ch; }

/* ---------- Toast ---------- */
.toast {
  position: fixed; bottom: var(--space-6); left: 50%; transform: translateX(-50%) translateY(20px);
  background: var(--color-surface-2); border: 1px solid var(--color-border);
  padding: var(--space-4) var(--space-5); border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg); z-index: 100; max-width: 92vw; font-size: var(--text-sm);
  display: flex; align-items: center; gap: var(--space-3); opacity: 0; pointer-events: none;
  transition: opacity var(--transition), transform var(--transition);
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); pointer-events: auto; }
.toast a { color: var(--color-accent); text-decoration: underline; text-underline-offset: 2px; word-break: break-all; }