:root {
  color-scheme: dark;
  --bg: #071018;
  --bg-2: #0a1621;
  --panel: rgba(12, 20, 30, 0.92);
  --panel-2: rgba(17, 28, 41, 0.96);
  --ink: #d9e8f2;
  --muted: #88a3b7;
  --line: rgba(110, 153, 185, 0.16);
  --accent: #29d3a7;
  --accent-2: #47a8ff;
  --danger: #ff6a7d;
  --shadow: 0 26px 80px rgba(0, 0, 0, 0.42);
}

* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
body {
  font-family: "Avenir Next", "Segoe UI", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(41, 211, 167, 0.12), transparent 22%),
    radial-gradient(circle at 85% 10%, rgba(71, 168, 255, 0.14), transparent 18%),
    linear-gradient(180deg, var(--bg), var(--bg-2));
}

button, input, textarea, select { font: inherit; }
button { cursor: pointer; border: 0; }
a { color: var(--accent); text-decoration: none; }
code { font-family: "SFMono-Regular", Menlo, monospace; }

.login-shell, .app-shell { min-height: 100vh; }
.login-shell { display: grid; grid-template-columns: 1fr 1fr; }
.login-panel, .login-art, .sidebar, .main { padding: 40px; }

.login-panel {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 22px;
}

.login-panel h1, .topbar h1 {
  margin: 0;
  font-family: "Iowan Old Style", "Palatino Linotype", serif;
  font-size: clamp(2.4rem, 5vw, 4.8rem);
  line-height: .93;
  letter-spacing: -.03em;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: .18em;
  font-size: .74rem;
  color: var(--accent);
  font-weight: 700;
}

.lead { color: var(--muted); max-width: 54ch; }
.mini-label { color: var(--muted); font-size: .8rem; margin-bottom: 8px; }

.login-form, .editor-form {
  display: grid;
  gap: 16px;
}

label {
  display: grid;
  gap: 8px;
}

label span { font-size: .88rem; color: var(--muted); }

input, textarea, select {
  width: 100%;
  border-radius: 16px;
  border: 1px solid var(--line);
  padding: 14px 16px;
  background: rgba(9, 15, 22, 0.96);
  color: var(--ink);
}

textarea {
  min-height: 220px;
  resize: vertical;
  font-family: "SFMono-Regular", Menlo, monospace;
  line-height: 1.5;
}

.short-area { min-height: 110px; }

.primary, .ghost, .nav-item, .list-button {
  border-radius: 16px;
  padding: 12px 16px;
  transition: transform .18s ease, border-color .18s ease, background .18s ease;
}

.primary {
  color: #03130f;
  background: linear-gradient(135deg, var(--accent), #64efcb);
  box-shadow: 0 10px 26px rgba(41, 211, 167, 0.22);
}

.ghost, .nav-item, .list-button {
  color: var(--ink);
  background: rgba(18, 28, 40, 0.92);
  border: 1px solid var(--line);
}

.ghost.danger {
  border-color: rgba(255, 106, 125, 0.34);
  color: #ff9ead;
}

.primary:hover, .ghost:hover, .nav-item:hover, .list-button:hover {
  transform: translateY(-1px);
}

.login-art {
  position: relative;
  overflow: hidden;
  display: grid;
  align-content: end;
  background:
    linear-gradient(145deg, rgba(7, 16, 24, 0.74), rgba(8, 20, 30, 0.94)),
    linear-gradient(180deg, #061019, #0b1621);
}

.orb {
  position: absolute;
  border-radius: 999px;
  filter: blur(22px);
  opacity: .72;
}

.orb-a {
  width: 280px;
  height: 280px;
  background: rgba(41, 211, 167, 0.28);
  top: 8%;
  right: 8%;
}

.orb-b {
  width: 340px;
  height: 340px;
  background: rgba(71, 168, 255, 0.22);
  left: -4%;
  bottom: -5%;
}

.stat-card {
  position: relative;
  z-index: 1;
  background: rgba(13, 23, 35, 0.68);
  border: 1px solid rgba(79, 130, 173, 0.18);
  border-radius: 24px;
  padding: 24px;
  backdrop-filter: blur(18px);
  max-width: 480px;
}

.flash {
  padding: 14px 16px;
  border-radius: 14px;
}

.flash.success { background: rgba(41, 211, 167, 0.12); color: #90f7dd; }
.flash.error { background: rgba(255, 106, 125, 0.12); color: #ff9ead; }

.app-shell {
  display: grid;
  grid-template-columns: 320px 1fr;
}

.sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  border-right: 1px solid rgba(110, 153, 185, 0.12);
  background: linear-gradient(180deg, rgba(8, 16, 25, 0.94), rgba(12, 22, 33, 0.88));
  backdrop-filter: blur(20px);
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.brand-kicker {
  text-transform: uppercase;
  letter-spacing: .18em;
  font-size: .74rem;
  color: var(--accent);
}

.brand-name {
  margin-top: 8px;
  font-family: "Iowan Old Style", serif;
  font-size: 2rem;
}

.sidebar nav {
  display: grid;
  gap: 8px;
}

.nav-item {
  text-align: left;
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav-item.active, .list-button.active {
  border-color: rgba(41, 211, 167, 0.34);
  background: rgba(21, 41, 58, 0.98);
}

.nav-icon {
  width: 24px;
  text-align: center;
  color: var(--accent);
}

.sidebar-foot {
  margin-top: auto;
  display: grid;
  gap: 12px;
}

.user-chip, .loading-pill {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 10px 14px;
}

.user-chip {
  background: rgba(21, 35, 50, 0.92);
  border: 1px solid var(--line);
}

.loading-pill {
  background: rgba(41, 211, 167, 0.12);
  color: #94f8dc;
}

.loading-pill.idle {
  background: rgba(255, 255, 255, 0.08);
  color: var(--muted);
}

.main {
  display: grid;
  gap: 22px;
  align-content: start;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 16px;
  background: linear-gradient(180deg, rgba(7, 16, 24, 0.96), rgba(7, 16, 24, 0));
}

.content-grid { display: grid; gap: 18px; }
.dashboard-grid { grid-template-columns: 1.2fr .8fr; }
.profile-layout { grid-template-columns: 320px 1fr; }
.two-panels { grid-template-columns: 1fr 1fr; }
.docs-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }

.panel {
  background: linear-gradient(180deg, var(--panel), var(--panel-2));
  border: 1px solid rgba(87, 132, 168, 0.14);
  border-radius: 24px;
  padding: 22px;
  box-shadow: var(--shadow);
}

.hero {
  background:
    radial-gradient(circle at top right, rgba(41, 211, 167, 0.16), transparent 24%),
    radial-gradient(circle at 82% 20%, rgba(71, 168, 255, 0.12), transparent 18%),
    linear-gradient(160deg, rgba(11, 21, 33, 0.92), rgba(14, 26, 39, 0.96));
}

.hero.wide { grid-column: span 2; }

.hero-grid, .summary-grid, .form-grid, .check-grid, .kv-list {
  display: grid;
  gap: 14px;
}

.summary-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); margin-bottom: 18px; }
.summary-grid.token-grid { grid-template-columns: 1fr; }
.form-grid.two-up { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.form-grid.three-up { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.form-grid.four-up { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.check-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }

.hero-code, pre, .summary-card code {
  margin: 0;
  padding: 14px 16px;
  border-radius: 16px;
  background: #08131d;
  border: 1px solid rgba(77, 119, 151, 0.18);
  color: #9ee8d3;
  white-space: pre-wrap;
  word-break: break-word;
  font-family: "SFMono-Regular", Menlo, monospace;
}

.summary-card, .list-card {
  display: grid;
  gap: 8px;
  padding: 16px;
  border-radius: 18px;
  border: 1px solid rgba(87, 132, 168, 0.12);
  background: rgba(10, 19, 29, 0.95);
}

.summary-card span, .list-card span, .list-card small {
  color: var(--muted);
}

.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
}

.panel-head h3 { margin: 0; }

.metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.metric {
  background: rgba(10, 19, 29, 0.95);
  border: 1px solid rgba(87, 132, 168, 0.12);
  border-radius: 18px;
  padding: 16px;
}

.metric span {
  display: block;
  color: var(--muted);
  font-size: .86rem;
}

.metric strong {
  display: block;
  margin-top: 8px;
  font-size: 1.55rem;
  color: #dff7ff;
}

.list-stack, .side-list {
  display: grid;
  gap: 10px;
}

.list-button {
  text-align: left;
  display: grid;
}

.list-button small, .muted { color: var(--muted); }

.list-row {
  display: flex;
  justify-content: space-between;
  padding: 14px 0;
  border-bottom: 1px solid rgba(90, 130, 160, 0.12);
}

.table-wrap { overflow: auto; }
.table-wrap.tall { max-height: 72vh; }

table {
  width: 100%;
  border-collapse: collapse;
  font-size: .92rem;
}

th, td {
  text-align: left;
  padding: 12px 10px;
  border-bottom: 1px solid rgba(90, 130, 160, 0.12);
  vertical-align: top;
}

.ua { min-width: 260px; color: var(--muted); }
.divider { margin: 28px 0; border: 0; height: 1px; background: rgba(90, 130, 160, 0.14); }

.check-card, .toggle-card {
  display: flex;
  align-items: center;
  gap: 10px;
  border-radius: 16px;
  border: 1px solid rgba(87, 132, 168, 0.12);
  background: rgba(10, 19, 29, 0.95);
  padding: 14px 16px;
  color: var(--ink);
}

.check-card {
  flex-direction: column;
  align-items: start;
}

.check-card input,
.toggle-card input,
.checkbox input {
  width: 18px;
  height: 18px;
}

.checkbox {
  grid-template-columns: auto 1fr;
  gap: 12px;
  align-items: center;
}

.advanced-box {
  border: 1px solid rgba(87, 132, 168, 0.14);
  border-radius: 16px;
  background: rgba(10, 19, 29, 0.78);
  padding: 14px 16px;
}

.advanced-box summary {
  cursor: pointer;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 12px;
}

.syntax-block {
  margin-top: 10px;
}

.syntax { color: #dfeaf2; }
.tok-key { color: #82d9ff; }
.tok-str { color: #9bf0bf; }
.tok-num { color: #ffc978; }
.tok-bool { color: #ff90aa; }
.tok-tag { color: #6fb6ff; }
.tok-attr { color: #ffc978; }

.preview-panel {
  display: grid;
  gap: 10px;
  margin-top: 18px;
}

.preview-frame {
  width: 100%;
  min-height: 360px;
  border-radius: 16px;
  border: 1px solid rgba(87, 132, 168, 0.14);
  background: white;
}

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

.kv-list > div {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 0;
  border-bottom: 1px solid rgba(90, 130, 160, 0.12);
}

.kv-list span { color: var(--muted); }

.docs-copy,
.docs-list {
  color: var(--muted);
  line-height: 1.7;
}

.docs-list {
  padding-left: 18px;
  margin: 0;
}

@media (max-width: 1200px) {
  .dashboard-grid,
  .profile-layout,
  .two-panels,
  .docs-grid,
  .summary-grid,
  .check-grid,
  .form-grid.two-up,
  .form-grid.three-up,
  .form-grid.four-up {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 980px) {
  .login-shell,
  .app-shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: static;
    height: auto;
  }

  .topbar {
    position: static;
    flex-direction: column;
    align-items: start;
  }

  .hero.wide {
    grid-column: auto;
  }
}