:root {
  --bg: #0b1020;
  --panel: #0f1b2f;
  --panel-2: #111f36;
  --border: #1f2d45;
  --text: #e6edf5;
  --muted: #90a3c0;
  --accent: #5eead4;
  --accent-strong: #22d3ee;
  --danger: #f87272;
  --success: #86efac;
  --shadow: 0 18px 40px rgba(0,0,0,0.35);
}

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

body {
  margin: 0;
  background: radial-gradient(circle at 20% 20%, rgba(94,234,212,0.08), transparent 30%),
              radial-gradient(circle at 80% 0%, rgba(34,211,238,0.08), transparent 28%),
              linear-gradient(135deg, #0b1020, #0a0e1d 55%, #0b1224);
  color: var(--text);
  font-family: 'Space Grotesk', 'Segoe UI', 'Helvetica Neue', sans-serif;
  min-height: 100vh;
}

a { color: var(--accent-strong); text-decoration: none; }
a:hover { text-decoration: underline; }

.layout {
  max-width: 1280px;
  margin: 0 auto;
  padding: 22px 18px 38px;
}

.app-header {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 16px;
  align-items: center;
  padding: 14px 18px;
  background: rgba(17, 31, 54, 0.9);
  border: 1px solid var(--border);
  border-radius: 14px;
  backdrop-filter: blur(8px);
  box-shadow: var(--shadow);
  position: sticky;
  top: 12px;
  z-index: 10;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}
.brand-mark {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: linear-gradient(135deg, #22d3ee, #5eead4);
  color: #04101a;
  font-weight: 700;
  display: grid;
  place-items: center;
  letter-spacing: 0.5px;
}
.eyebrow {
  margin: 0;
  text-transform: uppercase;
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: flex-start;
}
.nav a {
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid transparent;
  color: var(--text);
  text-decoration: none;
  background: rgba(255,255,255,0.02);
  transition: 150ms ease;
}
.nav a:hover { border-color: var(--border); background: rgba(255,255,255,0.05); }
.nav a.active {
  background: linear-gradient(135deg, rgba(34,211,238,0.16), rgba(94,234,212,0.12));
  border-color: rgba(94,234,212,0.5);
  color: #e0fffb;
  box-shadow: 0 8px 20px rgba(94,234,212,0.12);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  justify-content: flex-end;
}
.lang-switch {
  display: inline-flex;
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
}
.lang-switch a {
  padding: 8px 10px;
  color: var(--text);
  text-decoration: none;
  background: rgba(255,255,255,0.02);
}
.lang-switch a.active { background: rgba(94,234,212,0.18); color: #041014; }
.pill {
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--text);
  text-decoration: none;
  background: rgba(255,255,255,0.03);
}
.pill.ghost { background: rgba(255,255,255,0.06); }
.pill.outline { border-color: rgba(94,234,212,0.5); }

.hero {
  margin-top: 18px;
  padding: 20px;
  border-radius: 16px;
  border: 1px solid var(--border);
  background: linear-gradient(120deg, rgba(34,211,238,0.09), rgba(255,255,255,0.02));
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 14px;
}
.hero h1 {
  margin: 6px 0 8px;
  font-size: 28px;
}
.subtitle {
  margin: 0;
  color: var(--muted);
  max-width: 720px;
}
.hero-actions { display: flex; gap: 8px; align-items: center; }

.content { margin-top: 20px; }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 14px;
}
.grid.two-col {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}
@media (max-width: 900px) {
  .grid.two-col {
    grid-template-columns: 1fr;
  }
}
.cards-quick { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 16px;
  box-shadow: var(--shadow);
}
.card-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
}
.card h3 { margin: 0 0 6px; }
.card p { margin: 0 0 8px; color: var(--muted); }
.card.stacked { max-width: 520px; }

.badge {
  padding: 4px 8px;
  border-radius: 10px;
  background: rgba(255,255,255,0.08);
  font-size: 12px;
  color: var(--text);
}
.badge.accent { background: rgba(34,211,238,0.16); color: #e0fffb; }
.badge.ghost { background: rgba(255,255,255,0.06); color: var(--muted); }
.badge.danger { background: rgba(248,114,114,0.18); color: #ffe3e3; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 14px;
  border-radius: 10px;
  border: 1px solid transparent;
  background: linear-gradient(135deg, #22d3ee, #5eead4);
  color: #04101a;
  font-weight: 700;
  cursor: pointer;
  transition: transform 120ms ease, box-shadow 150ms ease;
}
.btn:hover { transform: translateY(-1px); box-shadow: 0 12px 30px rgba(34,211,238,0.22); }
.btn.secondary {
  background: rgba(255,255,255,0.03);
  color: var(--text);
  border: 1px solid var(--border);
  box-shadow: none;
}
.btn.secondary:hover { border-color: rgba(94,234,212,0.4); color: #e0fffb; }
.btn-delete { color: var(--danger); background: transparent; border: 1px solid rgba(248,114,114,0.4); padding: 8px 10px; border-radius: 8px; }

.table-wrap { overflow-x: auto; }
table {
  width: 100%;
  border-collapse: collapse;
  color: var(--text);
  font-size: 14px;
}
th, td {
  border-bottom: 1px solid var(--border);
  padding: 10px 8px;
  text-align: left;
}
th { color: var(--muted); font-weight: 600; }
tr:hover td { background: rgba(255,255,255,0.02); }

input:not([type="checkbox"]):not([type="radio"]), select, textarea {
  width: 100%;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--panel-2);
  color: var(--text);
  font-size: 14px;
}
input[type="checkbox"], input[type="radio"] {
  width: auto;
  margin: 0;
  accent-color: var(--accent);
  vertical-align: middle;
}
input[type="checkbox"] + span,
input[type="radio"] + span {
  vertical-align: middle;
}
label { display: block; font-size: 13px; color: var(--muted); margin: 8px 0 4px; }
textarea { resize: vertical; min-height: 80px; }

.actions-row {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.alert {
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.04);
  color: var(--text);
  margin-bottom: 14px;
}
.alert.error { border-color: rgba(248,114,114,0.5); background: rgba(248,114,114,0.08); color: #ffe3e3; }
.alert.success { border-color: rgba(134,239,172,0.5); background: rgba(134,239,172,0.08); color: #e8ffef; }
.alert.info { border-color: rgba(94,234,212,0.4); background: rgba(94,234,212,0.08); }

.token-pill, .pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  border-radius: 10px;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
}
.tokens { display: flex; flex-direction: column; gap: 12px; }
.token-form { flex-direction: column; align-items: flex-start; gap: 10px; width: 100%; }
.token-fields { width: 100%; display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 10px; align-items: flex-start; }
.token-active { display: inline-flex; align-items: center; gap: 8px; margin-top: 22px; }
.token-footer { width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 10px; flex-wrap: wrap; }
.token-actions { display: flex; align-items: center; gap: 10px; justify-content: flex-end; }
.token-actions--new { margin-left: auto; flex-wrap: wrap; }
.token-id { margin: 0; color: var(--muted); }
.token-last { color: var(--muted); }
.token-new {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 12px;
  padding: 10px 12px;
  border: 1px dashed rgba(94,234,212,0.4);
  border-radius: 12px;
  background: rgba(34,211,238,0.06);
}
.token-value {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  word-break: break-all;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px;
  flex: 1 1 240px;
  min-width: 0;
}

.code-block {
  background: #0a0f1d;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  color: var(--text);
  white-space: pre-wrap;
  word-break: break-all;
}

.small { font-size: 13px; color: var(--muted); }
.label { color: var(--muted); }
.stat { font-size: 18px; font-weight: 700; }
.hint { color: var(--muted); margin: 6px 0 0; }

.footer {
  margin-top: 28px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  color: var(--muted);
}
.footer a { color: var(--accent-strong); text-decoration: none; }
.footer-actions { display: flex; gap: 10px; }

.doc-actions { display: flex; flex-wrap: wrap; gap: 8px; }
.doc-meta { display: flex; gap: 18px; flex-wrap: wrap; color: var(--muted); }
.doc-list { color: var(--muted); padding-left: 18px; }
.doc-card { background: var(--panel-2); }

.token-pill form { width: 100%; }
.accordion details {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 12px;
  background: rgba(255,255,255,0.02);
}
.accordion details + details { margin-top: 8px; }
.accordion summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--text);
}
.accordion p { margin: 6px 0; }

@media (max-width: 900px) {
  .app-header { grid-template-columns: 1fr; }
  .nav { width: 100%; }
  .hero { flex-direction: column; }
  .header-actions { justify-content: flex-start; }
}