:root {
  --bg: #0f1724;
  --panel: #172033;
  --text: #e8eef8;
  --muted: #93a0b5;
  --accent: #2dd4bf;
  --danger: #f87171;
  --border: #2a364c;
  --ok: #34d399;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Segoe UI", system-ui, sans-serif;
  background: radial-gradient(circle at top left, #1a2740, var(--bg) 45%);
  color: var(--text);
  min-height: 100vh;
}
a { color: var(--accent); text-decoration: none; }
.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--border);
  background: rgba(15, 23, 36, 0.85);
  backdrop-filter: blur(8px);
  position: sticky;
  top: 0;
}
.brand { font-weight: 700; letter-spacing: 0.02em; color: var(--text); font-size: 1.1rem; }
.topbar nav { display: flex; gap: 1rem; flex-wrap: wrap; }
.container { max-width: 960px; margin: 0 auto; padding: 1.5rem; }
.auth-card {
  max-width: 380px;
  margin: 4rem auto;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 2rem;
}
.auth-card h1 { margin-top: 0; }
.muted { color: var(--muted); }
label { display: block; margin-bottom: 0.85rem; }
.input {
  width: 100%;
  margin-top: 0.35rem;
  padding: 0.7rem 0.8rem;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: #0d1422;
  color: var(--text);
}
.btn {
  display: inline-block;
  background: var(--accent);
  color: #04201c;
  border: none;
  border-radius: 10px;
  padding: 0.7rem 1rem;
  font-weight: 700;
  cursor: pointer;
}
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 1rem;
  margin: 1.5rem 0;
}
.stat, .panel, .export-card, .form-panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1.2rem;
}
.stat-value { display: block; font-size: 2rem; font-weight: 700; }
.stat-label { color: var(--muted); }
.page-header { display: flex; justify-content: space-between; align-items: center; gap: 1rem; }
.table { width: 100%; border-collapse: collapse; margin-top: 1rem; }
.table th, .table td { text-align: left; padding: 0.75rem 0.5rem; border-bottom: 1px solid var(--border); }
.actions { display: flex; gap: 0.75rem; align-items: center; }
.link-btn { background: none; border: none; color: var(--accent); cursor: pointer; padding: 0; font: inherit; }
.link-btn.danger, .danger { color: var(--danger); }
.flash-list { list-style: none; padding: 0; }
.flash { padding: 0.75rem 1rem; border-radius: 10px; margin-bottom: 0.75rem; }
.flash-success { background: rgba(52, 211, 153, 0.15); color: var(--ok); }
.flash-error { background: rgba(248, 113, 113, 0.15); color: var(--danger); }
.callout {
  background: rgba(45, 212, 191, 0.12);
  border: 1px solid var(--accent);
  border-radius: 12px;
  padding: 1rem;
  margin: 1rem 0;
}
.key-reveal { display: block; margin-top: 0.5rem; word-break: break-all; }
.form-inline { display: flex; gap: 0.75rem; margin: 1rem 0 1.5rem; }
.form-inline .input { margin: 0; }
.export-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 1rem; }
.export-card { color: inherit; transition: border-color 0.15s ease; }
.export-card:hover { border-color: var(--accent); }
.import-form {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
  margin: 1rem 0;
  padding: 1rem;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 14px;
}
.import-result {
  background: #0d1422;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1rem;
  overflow: auto;
}
.btn.secondary {
  background: transparent;
  color: var(--accent);
  border: 1px solid var(--accent);
}
.btn.danger-btn {
  background: var(--danger);
  color: #1a0505;
}
.danger-form {
  border-color: rgba(248, 113, 113, 0.45);
}
.color-swatch {
  display: inline-block;
  width: 0.85rem;
  height: 0.85rem;
  border-radius: 4px;
  vertical-align: middle;
  margin-right: 0.35rem;
  border: 1px solid var(--border);
}
.small { font-size: 0.85rem; }
.check { display: flex; align-items: center; gap: 0.5rem; }
.link-list { padding-left: 1.1rem; line-height: 1.8; }
code { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }