*,
*::before,
*::after {
  box-sizing: border-box;
}

:root {
  --bg: #05070d;
  --card: rgba(12, 17, 30, 0.9);
  --card2: rgba(18, 25, 42, 0.86);
  --line: rgba(243, 201, 122, 0.22);
  --ink: #f7f0de;
  --muted: #b7c0d4;
  --gold: #f3c97a;
  --cyan: #7af3ff;
  --violet: #c4a3ff;
  --danger: #ff8a8a;
  --radius: 22px;
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.38);
  --max: 1180px;
}

html {
  min-height: 100%;
  scroll-behavior: smooth;
}

body {
  min-height: 100%;
  margin: 0;
  overflow-x: hidden;
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
  background:
    radial-gradient(circle at 20% -10%, rgba(122, 243, 255, 0.16), transparent 28rem),
    radial-gradient(circle at 82% 12%, rgba(243, 201, 122, 0.14), transparent 32rem),
    linear-gradient(180deg, var(--bg), #080b13 50%, #04050a);
}

a { color: inherit; }

.skip-link {
  position: absolute;
  left: 1rem;
  top: -5rem;
  z-index: 100;
  padding: 0.7rem 1rem;
  border-radius: 999px;
  background: var(--gold);
  color: #111;
  font-weight: 800;
}

.skip-link:focus { top: 1rem; }

.oracle-header {
  position: sticky;
  top: 0;
  z-index: 40;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 0.9rem max(1rem, calc((100vw - var(--max)) / 2));
  border-bottom: 1px solid rgba(243, 201, 122, 0.16);
  background: rgba(5, 7, 13, 0.82);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  place-items: center;
  min-width: 3.5rem;
  height: 2.7rem;
  padding: 0 0.5rem;
  border: 1px solid var(--line);
  border-radius: 1rem;
  color: var(--gold);
  background: rgba(255,255,255,0.04);
}

.brand strong,
.brand small {
  display: block;
}

.brand small {
  color: var(--muted);
  font-size: 0.76rem;
}

.oracle-header nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.oracle-header nav a {
  color: var(--muted);
  text-decoration: none;
  border-radius: 999px;
  padding: 0.55rem 0.75rem;
}

.oracle-header nav a:hover {
  color: var(--ink);
  background: rgba(255,255,255,0.07);
}

main,
.oracle-footer {
  width: min(var(--max), calc(100% - 2rem));
  margin: 0 auto;
}

.oracle-hero {
  padding: clamp(3rem, 9vw, 7rem) 0 2rem;
  text-align: center;
}

.eyebrow {
  margin: 0 0 0.65rem;
  color: var(--cyan);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.08;
  letter-spacing: -0.035em;
}

h1 {
  font-size: clamp(3rem, 8vw, 6.6rem);
}

h2 {
  font-size: clamp(1.65rem, 4vw, 2.8rem);
}

.oracle-hero p:not(.eyebrow),
.muted,
.panel p,
.clean-list,
.status {
  color: var(--muted);
}

.oracle-hero p:not(.eyebrow) {
  max-width: 760px;
  margin: 1rem auto 0;
  font-size: 1.08rem;
}

.oracle-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(300px, 0.85fr);
  gap: 1rem;
  margin: 1rem 0;
}

.panel {
  margin: 1rem 0;
  padding: clamp(1rem, 2.4vw, 1.6rem);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, var(--card), rgba(10,14,22,0.8));
  box-shadow: var(--shadow);
}

label {
  display: grid;
  gap: 0.4rem;
  margin: 0.9rem 0;
}

label span,
.result-grid span {
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

input {
  width: 100%;
  min-height: 2.85rem;
  padding: 0.72rem 0.85rem;
  border: 1px solid rgba(243, 201, 122, 0.22);
  border-radius: 0.9rem;
  color: var(--ink);
  background: rgba(255,255,255,0.045);
  font: inherit;
}

input:focus {
  outline: 2px solid rgba(122, 243, 255, 0.5);
  outline-offset: 2px;
}

.field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.8rem;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-top: 1rem;
}

.btn {
  min-height: 2.75rem;
  padding: 0.7rem 1rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--ink);
  cursor: pointer;
  background: rgba(255,255,255,0.055);
  font-weight: 800;
}

.btn.primary {
  color: #15100a;
  background: linear-gradient(135deg, var(--gold), #ffe4a3);
}

.btn.danger {
  border-color: rgba(255,138,138,0.35);
  color: var(--danger);
}

.signature-panel {
  display: grid;
  align-content: center;
  min-height: 100%;
}

.sig-symbol {
  color: var(--gold);
  font-family: Georgia, serif;
  font-size: clamp(2.4rem, 6vw, 5rem);
  line-height: 1;
}

.meter {
  margin-top: 1.25rem;
}

.meter span,
.meter strong {
  display: block;
}

.bar {
  height: 0.65rem;
  overflow: hidden;
  margin-top: 0.65rem;
  border-radius: 999px;
  background: rgba(255,255,255,0.09);
}

.bar i {
  display: block;
  width: 0%;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--cyan), var(--gold));
}

.result-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.8rem;
  margin-top: 1rem;
}

.result-grid.compact {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.result-grid > div,
.mini-list > div,
.carrier-chip {
  padding: 0.9rem;
  border: 1px solid rgba(243, 201, 122, 0.16);
  border-radius: 1rem;
  background: rgba(255,255,255,0.045);
}

.result-grid strong {
  display: block;
  margin-top: 0.3rem;
  overflow-wrap: anywhere;
  color: var(--ink);
}

.tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin: 1.35rem 0 1rem;
}

.tabs button {
  padding: 0.65rem 0.9rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  cursor: pointer;
  background: rgba(255,255,255,0.04);
  font: inherit;
  font-weight: 800;
}

.tabs button[aria-selected="true"] {
  color: #15100a;
  background: var(--gold);
}

.hidden {
  display: none !important;
}

.mini-list,
.carrier-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0,1fr));
  gap: 0.7rem;
  margin-top: 1rem;
}

.carrier-chip.active {
  border-color: rgba(122,243,255,0.65);
  box-shadow: 0 0 24px rgba(122,243,255,0.12);
}

.table-wrap {
  width: 100%;
  overflow-x: auto;
  margin-top: 1rem;
}

table {
  width: 100%;
  min-width: 680px;
  border-collapse: collapse;
}

th,
td {
  padding: 0.75rem;
  border-bottom: 1px solid rgba(243, 201, 122, 0.14);
  text-align: left;
}

th {
  color: var(--gold);
}

.oracle-footer {
  padding: 2rem 0 3rem;
  color: var(--muted);
}

@media (max-width: 840px) {
  .oracle-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .oracle-grid,
  .field-row,
  .result-grid,
  .result-grid.compact,
  .mini-list {
    grid-template-columns: 1fr;
  }

  .oracle-hero {
    text-align: left;
  }
}