:root {
  --bg: #0f1419;
  --panel: #1a2028;
  --panel-2: #232a36;
  --border: #2e3742;
  --text: #e6edf3;
  --muted: #8b95a5;
  --accent: #4ea8de;
  --accent-2: #2d6cdf;
  --ok: #3fb950;
  --warn: #d29922;
  --danger: #f85149;
  --readonly: #d29922;
  --writer: #3fb950;
  --protected: #4ea8de;
  --blocked: #f85149;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; background: var(--bg); color: var(--text); font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif; font-size: 14px; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

button {
  background: var(--panel-2); color: var(--text); border: 1px solid var(--border);
  padding: 6px 12px; border-radius: 6px; cursor: pointer; font-size: 13px;
}
button:hover:not(:disabled) { background: var(--accent-2); border-color: var(--accent-2); }
button:disabled { opacity: 0.5; cursor: not-allowed; }
button.danger { background: var(--danger); border-color: var(--danger); color: white; }
button.danger:hover:not(:disabled) { background: #d83a30; }
input, select {
  background: var(--panel); color: var(--text); border: 1px solid var(--border);
  padding: 6px 10px; border-radius: 6px; font-size: 13px;
}
input:focus, select:focus { outline: none; border-color: var(--accent); }

.muted { color: var(--muted); font-size: 12px; }
.error { color: var(--danger); margin-top: 8px; }
.row { display: flex; gap: 8px; margin: 12px 0; flex-wrap: wrap; }
.inline { display: inline-flex; align-items: center; gap: 6px; }

/* Login page */
.login-body { display: grid; place-items: center; min-height: 100vh; }
.login-card {
  background: var(--panel); padding: 32px; border-radius: 10px;
  border: 1px solid var(--border); width: 360px; display: flex; flex-direction: column; gap: 14px;
}
.login-card h1 { margin: 0; font-size: 22px; }
.login-card label { display: flex; flex-direction: column; gap: 6px; font-size: 12px; color: var(--muted); }

/* Top bar */
.topbar {
  display: flex; align-items: center; gap: 24px; padding: 10px 20px;
  background: var(--panel); border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 10;
}
.brand { font-weight: 600; font-size: 16px; display: flex; align-items: center; gap: 10px; }
.badge {
  font-size: 11px; padding: 2px 8px; border-radius: 10px;
  background: var(--warn); color: black; font-weight: 600;
}
.badge.live { background: var(--ok); color: black; }
.topbar nav { display: flex; gap: 4px; flex: 1; }
.topbar nav a {
  padding: 6px 12px; border-radius: 6px; color: var(--muted);
}
.topbar nav a.active { background: var(--panel-2); color: var(--text); }
.topbar .right { display: flex; gap: 8px; align-items: center; }

main { padding: 20px; max-width: 1400px; margin: 0 auto; }
.tab { display: none; }
.tab.active { display: block; }

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

/* Grid table */
.grid { width: 100%; border-collapse: collapse; background: var(--panel); border-radius: 8px; overflow: hidden; }
.grid thead th {
  background: var(--panel-2); text-align: left; padding: 10px 12px;
  border-bottom: 1px solid var(--border); font-size: 12px; color: var(--muted);
  font-weight: 600; text-transform: uppercase; letter-spacing: 0.5px;
}
.grid tbody td { padding: 10px 12px; border-bottom: 1px solid var(--border); vertical-align: middle; }
.grid tbody tr:last-child td { border-bottom: none; }
.grid tbody tr:hover { background: rgba(78, 168, 222, 0.04); }
.grid th.srv { width: 130px; text-align: center; }

.fp { font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace; font-size: 11px; color: var(--muted); }
.name-cell { display: flex; flex-direction: column; gap: 2px; }
.name-cell input { width: 100%; max-width: 280px; }

/* Permission pill / select */
.perm-pill {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 3px 10px; border-radius: 12px; font-size: 11px; font-weight: 600;
  border: 1px solid transparent; cursor: pointer;
}
.perm-pill.blocked { background: rgba(248, 81, 73, 0.15); color: var(--blocked); border-color: var(--blocked); }
.perm-pill.readonly { background: rgba(210, 153, 34, 0.15); color: var(--readonly); border-color: var(--readonly); }
.perm-pill.writer { background: rgba(63, 185, 80, 0.15); color: var(--writer); border-color: var(--writer); }
.perm-pill.protected { background: rgba(78, 168, 222, 0.15); color: var(--protected); border-color: var(--protected); }
.perm-pill.changed { box-shadow: 0 0 0 2px var(--accent); }

.perm-cell { text-align: center; }
.perm-select { font-size: 11px; padding: 3px 6px; min-width: 120px; }

/* Modal */
.modal { position: fixed; inset: 0; background: rgba(0,0,0,0.6); display: grid; place-items: center; z-index: 100; }
.modal.hidden { display: none; }
.modal-card { background: var(--panel); padding: 24px; border-radius: 10px; min-width: 600px; max-width: 80vw; max-height: 80vh; overflow: auto; border: 1px solid var(--border); }
.modal-card h2 { margin-top: 0; }
.plan-content { font-family: ui-monospace, monospace; font-size: 12px; background: var(--bg); padding: 14px; border-radius: 6px; max-height: 50vh; overflow: auto; white-space: pre-wrap; }
.modal-actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 16px; }

.plan-server { margin-bottom: 16px; }
.plan-server-name { font-weight: 600; color: var(--accent); margin-bottom: 4px; }
.plan-change { padding: 2px 0; }
.plan-change .arrow { color: var(--muted); margin: 0 6px; }
.plan-empty { color: var(--muted); font-style: italic; }
.plan-error { color: var(--danger); }

/* Add-key modal form */
#add-form { display: flex; flex-direction: column; gap: 14px; min-width: 540px; max-width: 720px; }
#add-form label { display: flex; flex-direction: column; gap: 6px; font-size: 12px; color: var(--muted); }
#add-form textarea { background: var(--bg); color: var(--text); border: 1px solid var(--border); padding: 8px 10px; border-radius: 6px; font-family: ui-monospace, monospace; font-size: 12px; resize: vertical; }
#add-form select { background: var(--panel); color: var(--text); border: 1px solid var(--border); padding: 6px 10px; border-radius: 6px; }

/* Panel-only / staged badge */
.tag-staged { background: rgba(78, 168, 222, 0.15); color: var(--accent); border: 1px solid var(--accent); padding: 1px 6px; border-radius: 8px; font-size: 10px; margin-left: 6px; }
.tag-admin { background: rgba(63, 185, 80, 0.15); color: var(--writer); border: 1px solid var(--writer); padding: 1px 6px; border-radius: 8px; font-size: 10px; margin-left: 6px; }

.actions-cell { white-space: nowrap; }
.actions-cell button { padding: 3px 8px; font-size: 11px; }