:root {
  --bg: #0b1220;
  --surface: #1a2332;
  --surface2: #243044;
  --text: #f1f5f9;
  --muted: #94a3b8;
  --mint: #00ffb8;
  --border: rgba(148, 163, 184, 0.16);
  --radius: 12px;
  --font: "Inter", system-ui, sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

a { color: var(--mint); text-decoration: none; }

.admin-shell { min-height: 100vh; display: flex; flex-direction: column; }

.admin-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 1.25rem;
  border-bottom: 1px solid var(--border);
  background: rgba(11, 18, 32, 0.95);
}

.admin-brand { font-weight: 800; color: var(--text); line-height: 0; }
.admin-brand img {
  display: block;
  height: 40px;
  width: auto;
  max-width: 150px;
  object-fit: contain;
}

.auth-logo {
  display: block;
  margin: 0 auto 1.25rem;
  line-height: 0;
}
.auth-logo img {
  display: block;
  height: 44px;
  width: auto;
  margin: 0 auto;
  object-fit: contain;
}

.admin-brand span { color: var(--mint); }

.admin-nav { display: flex; flex-wrap: wrap; gap: 0.75rem 1.25rem; align-items: center; }
.admin-nav a { color: var(--muted); font-weight: 500; font-size: 0.92rem; }
.admin-nav a:hover { color: var(--text); }

.admin-main {
  flex: 1;
  max-width: 960px;
  width: 100%;
  margin: 0 auto;
  padding: 2rem 1.25rem 3rem;
}

.auth-card {
  max-width: 420px;
  margin: 3rem auto;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
}

h1 { font-size: 1.75rem; font-weight: 800; margin: 0 0 0.5rem; letter-spacing: -0.02em; }
h2 { font-size: 1.25rem; font-weight: 700; margin: 0 0 1rem; }
.lead { color: var(--muted); margin: 0 0 1.5rem; }

.field { margin-bottom: 1rem; }
.field label { display: block; font-size: 0.88rem; font-weight: 600; margin-bottom: 0.35rem; }
.field input, .field select, .field textarea {
  width: 100%;
  padding: 0.65rem 0.75rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--surface2);
  color: var(--text);
  font: inherit;
}
.field textarea { min-height: 100px; resize: vertical; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.6rem 1.1rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 600;
  font-size: 0.92rem;
  cursor: pointer;
  font: inherit;
}
.btn-primary { background: var(--mint); color: #0b1220; }
.btn-ghost { background: transparent; border-color: var(--border); color: var(--text); }
.btn-block { width: 100%; }

.alert {
  padding: 0.75rem 1rem;
  border-radius: 8px;
  margin-bottom: 1rem;
  font-size: 0.9rem;
}
.alert-error { background: rgba(239, 68, 68, 0.12); border: 1px solid rgba(239, 68, 68, 0.35); color: #fecaca; }
.alert-ok { background: rgba(0, 255, 184, 0.1); border: 1px solid rgba(0, 255, 184, 0.3); color: #a7f3d0; }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  margin-bottom: 1rem;
}

.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 1rem; }
.stat { background: var(--surface2); border-radius: var(--radius); padding: 1rem; }
.stat strong { display: block; font-size: 1.5rem; color: var(--mint); }

.wizard-steps { display: flex; gap: 0.5rem; flex-wrap: wrap; margin-bottom: 1.5rem; }
.step-pill {
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 600;
  border: 1px solid var(--border);
  color: var(--muted);
}
.step-pill.active { border-color: var(--mint); color: var(--mint); background: rgba(0,255,184,0.08); }
.step-pill.done { color: var(--text); }

.plan-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
@media (max-width: 640px) { .plan-grid { grid-template-columns: 1fr; } }

.code-block {
  background: #0a0f18;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.85rem;
  font-family: ui-monospace, monospace;
  font-size: 0.82rem;
  overflow-x: auto;
  word-break: break-all;
}

.kb-list { list-style: none; padding: 0; margin: 0; }
.kb-list li { padding: 0.85rem 0; border-bottom: 1px solid var(--border); }
.kb-tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--mint);
  background: rgba(0,255,184,0.1);
  padding: 0.15rem 0.45rem;
  border-radius: 6px;
  margin-bottom: 0.25rem;
}

.locale-switch { display: flex; gap: 0.5rem; align-items: center; font-size: 0.85rem; }

.inbox-list { list-style: none; margin: 0; padding: 0; }
.inbox-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.25rem 1rem;
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--border);
  color: inherit;
}
.inbox-row:hover { color: var(--mint); }
.inbox-meta { font-size: 0.82rem; color: var(--muted); grid-column: 1 / -1; }
.inbox-preview { font-size: 0.95rem; color: var(--text); }
.inbox-status {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  padding: 0.15rem 0.45rem;
  border-radius: 6px;
  background: var(--surface2);
}
.status-human { color: #fbbf24; }
.status-resolved { color: var(--mint); }

.inbox-thread { display: grid; gap: 0.85rem; }
.chat-line { display: grid; gap: 0.25rem; }
.chat-role { font-size: 0.72rem; color: var(--muted); text-transform: uppercase; }
.chat-bubble {
  padding: 0.75rem 1rem;
  border-radius: 12px;
  font-size: 0.95rem;
  line-height: 1.55;
  max-width: 92%;
}
.chat-user .chat-bubble { justify-self: end; background: var(--surface2); }
.chat-assistant .chat-bubble {
  justify-self: start;
  background: rgba(0,255,184,0.1);
  border: 1px solid rgba(0,255,184,0.22);
}
.status-form { display: flex; flex-wrap: wrap; gap: 0.75rem; align-items: center; }
.status-form select { max-width: 200px; }

.doc-steps { padding-left: 1.25rem; line-height: 1.8; color: var(--muted-warm, var(--muted)); }
.doc-steps code { color: var(--mint); }

.crypto-amount-box {
  background: rgba(0,255,184,0.08);
  border: 1px solid rgba(0,255,184,0.25);
  border-radius: 12px;
  padding: 1rem 1.25rem;
  margin: 1rem 0;
  display: grid;
  gap: 0.25rem;
}
.crypto-label { font-size: 0.82rem; color: var(--muted); }
.crypto-amount { font-size: 1.75rem; color: var(--mint); }
.crypto-plan { font-size: 0.85rem; color: var(--muted); }
.crypto-amount-note {
  margin: 0.35rem 0 0;
  font-size: 0.82rem;
  color: var(--muted);
  line-height: 1.45;
}
.crypto-fee-note {
  margin: 0 0 0.75rem;
  padding: 0.75rem 1rem;
  border-radius: 10px;
  background: rgba(251, 191, 36, 0.08);
  border: 1px solid rgba(251, 191, 36, 0.25);
  color: #fde68a;
  font-size: 0.86rem;
  line-height: 1.55;
}
.crypto-exchange-hint {
  color: var(--muted);
  font-size: 0.88rem;
  margin: 0.5rem 0 0;
}
.crypto-warn {
  color: #fbbf24;
  font-size: 0.88rem;
  font-weight: 600;
  margin: 0.75rem 0;
}
.crypto-address-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
  margin: 0.75rem 0;
}
.crypto-address-row code {
  word-break: break-all;
  font-size: 0.85rem;
  color: var(--text);
  background: var(--surface2);
  padding: 0.5rem 0.75rem;
  border-radius: 8px;
}
.crypto-qr { margin: 0.75rem 0; border-radius: 8px; }
.crypto-steps { padding-left: 1.25rem; line-height: 1.75; color: var(--muted); font-size: 0.92rem; }
.btn-sm { padding: 0.35rem 0.75rem; font-size: 0.82rem; }
.model-fixed {
  margin: 0.25rem 0 0;
  font-size: 1.05rem;
}
.model-fixed code {
  color: var(--mint);
  background: var(--surface2);
  padding: 0.25rem 0.55rem;
  border-radius: 6px;
}
.openai-only-note {
  margin: 0.75rem 0 0;
  font-size: 0.85rem;
  color: var(--muted);
  line-height: 1.5;
}