:root {
  --bg: #0f1117;
  --surface: #1a1d27;
  --border: #2a2d3a;
  --text: #e2e8f0;
  --muted: #64748b;
  --accent: #6366f1;
  --accent-hover: #818cf8;
  --success: #22c55e;
  --warning: #f59e0b;
  --error: #ef4444;
  --running: #3b82f6;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-size: 14px;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Nav */
nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: 0.75rem 2rem;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}
nav a { color: var(--muted); text-decoration: none; font-size: 0.9rem; }
nav a:hover { color: var(--text); }
nav .brand { font-weight: 700; font-size: 1rem; color: var(--accent); margin-right: auto; }

/* Main */
main {
  flex: 1;
  max-width: 1100px;
  width: 100%;
  margin: 0 auto;
  padding: 2rem;
}

footer {
  text-align: center;
  padding: 1rem;
  color: var(--muted);
  font-size: 0.8rem;
  border-top: 1px solid var(--border);
}
footer a { color: var(--muted); }

/* Headings */
h1 { font-size: 1.5rem; font-weight: 600; margin-bottom: 1.5rem; }
h2 { font-size: 1.1rem; font-weight: 600; margin: 2rem 0 1rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.05em; font-size: 0.75rem; }

.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
}
.page-header h1 { margin-bottom: 0; }

/* Alerts */
.alert {
  padding: 0.75rem 1rem;
  border-radius: 6px;
  margin-bottom: 1.5rem;
  font-size: 0.9rem;
}
.alert-success { background: rgba(34,197,94,0.1); border: 1px solid rgba(34,197,94,0.3); color: var(--success); }
.alert-warning { background: rgba(245,158,11,0.1); border: 1px solid rgba(245,158,11,0.3); color: var(--warning); }

/* Stats grid */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1rem;
  margin-bottom: 2rem;
}
.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.25rem 1.5rem;
}
.stat-value { font-size: 2rem; font-weight: 700; color: var(--accent); }
.stat-label { font-size: 0.8rem; color: var(--muted); margin-top: 0.25rem; }

/* Tables */
table {
  width: 100%;
  border-collapse: collapse;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  margin-bottom: 1.5rem;
}
th {
  text-align: left;
  padding: 0.6rem 1rem;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted);
  border-bottom: 1px solid var(--border);
  background: rgba(255,255,255,0.02);
}
td {
  padding: 0.6rem 1rem;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}
tr:last-child td { border-bottom: none; }
tr:hover td { background: rgba(255,255,255,0.02); }

/* Badges */
.badge {
  display: inline-block;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.badge-success, .badge-uploaded { background: rgba(34,197,94,0.15); color: var(--success); }
.badge-error { background: rgba(239,68,68,0.15); color: var(--error); }
.badge-partial, .badge-skipped_duplicate { background: rgba(245,158,11,0.15); color: var(--warning); }
.badge-running { background: rgba(59,130,246,0.15); color: var(--running); }

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.5rem 1.25rem;
  border-radius: 6px;
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  border: none;
  text-decoration: none;
  transition: background 0.15s;
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-hover); }
.btn-secondary { background: transparent; color: var(--accent); border: 1px solid var(--accent); }
.btn-secondary:hover { background: rgba(99,102,241,0.1); }
.btn-disabled { background: var(--border); color: var(--muted); cursor: not-allowed; }
.btn-danger { background: #dc2626; color: #fff; border: 1px solid #dc2626; }
.btn-danger:hover { background: #b91c1c; border-color: #b91c1c; }
.danger-zone { border-color: rgba(220,38,38,0.4); }

/* Forms */
.form-section {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.5rem;
  margin-bottom: 1.5rem;
}
.form-section h2 { margin-top: 0; }
.form-row {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin-bottom: 1.25rem;
}
.form-row:last-child { margin-bottom: 0; }
label { font-size: 0.85rem; color: var(--muted); font-weight: 500; }
input[type=text], input[type=url], input[type=password], input[type=number], textarea {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  padding: 0.5rem 0.75rem;
  font-size: 0.9rem;
  font-family: inherit;
  width: 100%;
  transition: border-color 0.15s;
}
input:focus, textarea:focus { outline: none; border-color: var(--accent); }
textarea { font-family: monospace; resize: vertical; }
.radio-group { display: flex; gap: 1.5rem; }
.radio-group label { display: flex; align-items: center; gap: 0.4rem; color: var(--text); cursor: pointer; }
.form-actions { display: flex; justify-content: flex-end; }

/* Pagination */
.pagination { display: flex; align-items: center; gap: 1rem; justify-content: center; padding: 1rem 0; }
.pagination a { color: var(--accent); text-decoration: none; }
.pagination span { color: var(--muted); font-size: 0.85rem; }

/* Header actions */
.header-actions { display: flex; align-items: center; gap: 1rem; }
.schedule-badge {
  font-size: 0.8rem;
  color: var(--running);
  background: rgba(59,130,246,0.12);
  border: 1px solid rgba(59,130,246,0.25);
  border-radius: 999px;
  padding: 0.3rem 0.8rem;
}

/* Key fingerprint */
.key-status { display: flex; align-items: center; gap: 0.75rem; margin-bottom: 0.25rem; }
.key-fingerprint { font-family: monospace; font-size: 0.8rem; color: var(--muted); }

/* Connection test result */
.test-result { font-size: 0.85rem; margin-top: 0.5rem; min-height: 1.2em; }
.test-ok  { color: var(--success); }
.test-fail { color: var(--error); }

/* Utilities */
.muted { color: var(--muted); }
.small { font-size: 0.8rem; }
.mono { font-family: monospace; font-size: 0.82rem; }
p.muted { padding: 1.5rem 0; }