:root {
  color-scheme: light;
  --paper: #f4ead7;
  --ink: #10213a;
  --ink-soft: #41516a;
  --line: rgba(16, 33, 58, 0.14);
  --line-strong: rgba(247, 242, 232, 0.14);
  --signal: #e4c25d;
  --success: #2d7b5f;
  --danger: #ad4f33;
  --shadow: 0 24px 80px rgba(12, 26, 42, 0.18);
  --radius-xl: 28px;
  --radius-lg: 22px;
  --radius-md: 16px;
  --radius-sm: 999px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Space Grotesk", "Trebuchet MS", sans-serif;
  background:
    linear-gradient(180deg, rgba(244, 234, 215, 0.65), rgba(244, 234, 215, 0.92)),
    radial-gradient(circle at top left, rgba(30, 143, 138, 0.18), transparent 32%),
    radial-gradient(circle at top right, rgba(240, 110, 59, 0.16), transparent 28%),
    var(--paper);
  color: var(--ink);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(16, 33, 58, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(16, 33, 58, 0.04) 1px, transparent 1px);
  background-size: 26px 26px;
  pointer-events: none;
}

button,
textarea,
input {
  font: inherit;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.bridge-shell {
  position: relative;
  width: min(1480px, calc(100% - 32px));
  margin: 0 auto;
  padding: 24px 0 40px;
}

.bridge-nav,
.bridge-layout {
  position: relative;
  z-index: 1;
}

.bridge-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 22px;
}

.brand-link {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  color: inherit;
  text-decoration: none;
}

.brand-logo {
  width: 52px;
  height: 52px;
  border-radius: 18px;
  padding: 8px;
  background: linear-gradient(135deg, var(--ink), #1f5172);
  box-shadow: 0 14px 28px rgba(16, 33, 58, 0.18);
}

.brand-copy {
  display: grid;
  gap: 4px;
}

.brand-copy strong {
  font-size: 1rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.brand-copy small,
.lead,
.toggle-row,
.outline-list em,
.outline-list span,
.note-list li,
.preset-card p {
  color: var(--ink-soft);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.utility-pill,
.chip,
.format-tab,
.secondary-button,
.swap-button,
.account-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(16, 33, 58, 0.14);
  background: rgba(255, 255, 255, 0.52);
  color: var(--ink);
  padding: 0.7rem 1rem;
  text-decoration: none;
}

.utility-pill--ghost {
  background: rgba(16, 33, 58, 0.08);
}

.utility-pill--coffee {
  background: rgba(240, 110, 59, 0.12);
}

.utility-pill--account {
  list-style: none;
  cursor: pointer;
}

.account-menu {
  position: relative;
}

.account-menu summary::-webkit-details-marker {
  display: none;
}

.account-card {
  position: absolute;
  right: 0;
  top: calc(100% + 8px);
  min-width: 220px;
  padding: 16px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid rgba(16, 33, 58, 0.12);
  box-shadow: 0 18px 40px rgba(16, 33, 58, 0.14);
}

.account-card p {
  margin: 0 0 12px;
}

.account-button {
  width: 100%;
  cursor: pointer;
  background: linear-gradient(135deg, var(--ink), #2a6788);
  color: #fff;
}

.bridge-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(208px, 0.46fr) minmax(0, 1.2fr);
  gap: 18px;
}

.panel {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-xl);
  border: 1px solid rgba(16, 33, 58, 0.12);
  background: rgba(255, 255, 255, 0.64);
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
}

.intro-panel,
.ledger-panel,
.presets-panel {
  padding: 28px;
}

.intro-panel {
  grid-column: 1 / -1;
}

.eyebrow,
.kicker {
  margin: 0 0 10px;
  font-size: 0.77rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: #7f4d2c;
}

.intro-panel h1,
.panel h2,
.preset-card h3 {
  margin: 0;
}

.intro-panel h1 {
  max-width: 16ch;
  font-size: clamp(2.1rem, 4vw, 4rem);
  line-height: 0.95;
  letter-spacing: -0.05em;
}

.lead {
  max-width: 72ch;
  margin: 18px 0 0;
  font-size: 1.05rem;
}

.motif-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 22px;
}

.motif-row span {
  padding: 0.75rem 0.95rem;
  border-radius: var(--radius-sm);
  background: rgba(240, 110, 59, 0.12);
  color: #7f4d2c;
}

.editor-panel,
.bridge-panel {
  min-height: 560px;
}

.editor-panel {
  display: grid;
  grid-template-rows: auto 1fr;
  background: linear-gradient(180deg, rgba(12, 29, 52, 0.95), rgba(21, 41, 68, 0.9));
  color: #f7f2e8;
}

.panel-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding: 24px 24px 0;
}

.panel-header h2,
.outline-list strong,
.bridge-button,
.swap-button,
.note-list li,
.editor-surface,
.chip {
  font-family: "IBM Plex Mono", "Consolas", monospace;
}

.tab-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.format-tab {
  cursor: pointer;
  background: rgba(247, 242, 232, 0.08);
  color: rgba(247, 242, 232, 0.82);
  border-color: rgba(247, 242, 232, 0.12);
}

.bridge-panel .format-tab {
  width: 100%;
  background: rgba(16, 33, 58, 0.06);
  color: var(--ink-soft);
  border-color: rgba(16, 33, 58, 0.12);
}

.format-tab.is-active {
  background: linear-gradient(135deg, rgba(30, 143, 138, 0.35), rgba(30, 143, 138, 0.16));
  color: #fff9f0;
}

.editor-surface {
  width: calc(100% - 28px);
  height: calc(100% - 24px);
  margin: 18px 14px 14px;
  padding: 18px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-lg);
  resize: none;
  background: rgba(6, 16, 31, 0.62);
  color: #f7f2e8;
  font-size: 0.96rem;
  line-height: 1.55;
}

.editor-surface:focus-visible,
.bridge-button:focus-visible,
.swap-button:focus-visible,
.secondary-button:focus-visible,
.format-tab:focus-visible,
.utility-pill:focus-visible,
.account-button:focus-visible {
  outline: 2px solid rgba(30, 143, 138, 0.7);
  outline-offset: 2px;
}

.editor-surface--output {
  color: #d6f0eb;
}

.bridge-panel {
  display: grid;
  align-content: center;
  justify-items: center;
  gap: 18px;
  padding: 26px 18px;
}

.signal-stack {
  display: flex;
  gap: 10px;
}

.signal-dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: rgba(16, 33, 58, 0.18);
}

.signal-dot--live {
  background: var(--signal);
  box-shadow: 0 0 0 6px rgba(228, 194, 93, 0.18);
}

.bridge-button,
.swap-button {
  width: 100%;
  padding: 1rem 1.15rem;
  border-radius: 22px;
  cursor: pointer;
}

.bridge-button {
  border: 0;
  background: linear-gradient(135deg, var(--ink), #2a6788);
  color: #fff;
}

.swap-button {
  background: rgba(255, 255, 255, 0.46);
}

.toggle-row {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.95rem;
}

.target-stack {
  width: 100%;
}

.tab-row--stacked {
  flex-direction: column;
}

.secondary-button {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(247, 242, 232, 0.16);
  color: #f7f2e8;
  cursor: pointer;
}

.ledger-panel {
  grid-column: 1 / 3;
}

.presets-panel {
  grid-column: 3 / 4;
}

.panel-header--ledger {
  padding: 0;
  margin-bottom: 18px;
}

.status-banner {
  margin-bottom: 14px;
  padding: 0.9rem 1rem;
  border-radius: var(--radius-md);
  border: 1px solid rgba(173, 79, 51, 0.16);
  background: rgba(173, 79, 51, 0.08);
  color: var(--danger);
}

.status-banner.is-success {
  border-color: rgba(45, 123, 95, 0.18);
  background: rgba(45, 123, 95, 0.08);
  color: var(--success);
}

.note-list,
.outline-list,
.preset-grid {
  display: grid;
  gap: 10px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.note-list {
  margin-bottom: 14px;
}

.note-list li,
.outline-list li,
.preset-card {
  padding: 0.9rem 1rem;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.62);
  border: 1px solid var(--line);
}

.outline-list li {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) auto auto;
  gap: 12px;
  align-items: center;
}

.outline-list strong {
  overflow-wrap: anywhere;
}

.preset-card button {
  justify-self: start;
  padding: 0.65rem 0.9rem;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(16, 33, 58, 0.12);
  background: rgba(16, 33, 58, 0.06);
  cursor: pointer;
}

@media (max-width: 1180px) {
  .bridge-layout {
    grid-template-columns: 1fr;
  }

  .editor-panel,
  .bridge-panel,
  .ledger-panel,
  .presets-panel {
    grid-column: auto;
  }

  .tab-row--stacked {
    flex-direction: row;
  }

  .bridge-panel .format-tab {
    width: auto;
  }
}

@media (max-width: 720px) {
  .bridge-shell {
    width: min(100% - 18px, 100%);
    padding-top: 16px;
  }

  .bridge-nav,
  .panel-header,
  .panel-header--ledger {
    align-items: stretch;
    flex-direction: column;
  }

  .outline-list li {
    grid-template-columns: 1fr;
  }
}