:root {
  --bg: #0B0E14;
  --panel: #12161F;
  --panel-2: #171C27;
  --line: #232938;
  --text: #E7EAF0;
  --text-dim: #8B94A7;
  --accent: #4FD1C5;
  --amber: #E6B450;
  --red: #EF6461;
  --radius: 10px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', -apple-system, sans-serif;
  background-image:
    linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
  background-size: 32px 32px;
}

.brand { display: flex; align-items: center; gap: 10px; }
.brand-mark {
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 3px rgba(79,209,197,0.15), 0 0 12px rgba(79,209,197,0.6);
}
.brand-name {
  font-family: 'IBM Plex Mono', monospace;
  font-weight: 600;
  letter-spacing: 0.08em;
  font-size: 15px;
}
.brand-name .accent { color: var(--accent); }

/* ---------- Login ---------- */
.login-screen {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}
.login-card {
  width: 360px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px;
}
.login-sub { color: var(--text-dim); font-size: 13px; margin: 12px 0 20px; }
.login-form { display: flex; flex-direction: column; gap: 14px; }
.login-form label { display: flex; flex-direction: column; gap: 6px; font-size: 13px; color: var(--text-dim); }
.login-form input {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 10px 12px;
  color: var(--text);
  font-size: 14px;
  font-family: 'IBM Plex Mono', monospace;
}
.login-form input:focus { outline: none; border-color: var(--accent); }
.form-error {
  background: rgba(239,100,97,0.1);
  border: 1px solid rgba(239,100,97,0.3);
  color: var(--red);
  font-size: 13px;
  padding: 8px 10px;
  border-radius: 6px;
}
.login-form button, .btn-primary {
  background: var(--accent);
  color: #06201D;
  border: none;
  border-radius: 6px;
  padding: 11px;
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  margin-top: 4px;
}
.login-form button:hover, .btn-primary:hover { filter: brightness(1.08); }

/* ---------- App shell ---------- */
.app { display: flex; flex-direction: column; height: 100vh; }
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
  border-bottom: 1px solid var(--line);
  background: rgba(18,22,31,0.7);
  backdrop-filter: blur(6px);
}
.topbar-right { display: flex; align-items: center; gap: 16px; }
.whoami { font-family: 'IBM Plex Mono', monospace; font-size: 12px; color: var(--text-dim); }
.logout-link { color: var(--text-dim); font-size: 13px; text-decoration: none; }
.logout-link:hover { color: var(--text); }

.layout { display: flex; flex: 1; min-height: 0; }
.map-pane { flex: 1; position: relative; }
#map { width: 100%; height: 100%; background: var(--bg); }

.side-pane {
  width: 340px;
  border-left: 1px solid var(--line);
  background: var(--panel);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
}
.side-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 18px 12px;
}
.side-header h2 { font-size: 14px; margin: 0; display: flex; align-items: center; gap: 8px; color: var(--text-dim); text-transform: uppercase; letter-spacing: 0.05em; }
.count-badge {
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 1px 8px;
  font-size: 12px;
  color: var(--text);
}
.btn-primary { padding: 7px 12px; font-size: 13px; }
.btn-secondary {
  background: transparent;
  border: 1px solid var(--line);
  color: var(--text);
  border-radius: 6px;
  padding: 7px 12px;
  font-size: 13px;
  cursor: pointer;
}
.btn-secondary:hover { border-color: var(--text-dim); }

.device-list { padding: 4px 14px 14px; display: flex; flex-direction: column; gap: 8px; }
.device-card {
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px;
}
.device-card-top { display: flex; align-items: center; gap: 8px; }
.device-name { font-weight: 600; font-size: 13px; flex: 1; }
.status-dot { width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; }
.status-online { background: var(--accent); box-shadow: 0 0 8px rgba(79,209,197,0.7); }
.status-stale { background: var(--amber); box-shadow: 0 0 8px rgba(230,180,80,0.6); }
.status-offline { background: var(--red); box-shadow: 0 0 8px rgba(239,100,97,0.6); }
.status-unknown { background: var(--text-dim); }
.delete-btn {
  background: none; border: none; color: var(--text-dim);
  font-size: 16px; cursor: pointer; line-height: 1;
}
.delete-btn:hover { color: var(--red); }
.device-meta {
  margin-top: 8px;
  display: flex;
  flex-direction: column;
  gap: 3px;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px;
  color: var(--text-dim);
}
.device-time { color: var(--text); }

/* ---------- Modal ---------- */
.modal {
  position: fixed; inset: 0; background: rgba(0,0,0,0.6);
  display: flex; align-items: center; justify-content: center;
  z-index: 1000;
}
.modal.hidden { display: none; }
.modal-card {
  width: 380px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
}
.modal-card h3 { margin: 0 0 6px; font-size: 16px; }
.modal-sub { color: var(--text-dim); font-size: 13px; margin: 0 0 16px; }
.modal-card label { display: flex; flex-direction: column; gap: 6px; font-size: 13px; color: var(--text-dim); }
.modal-card input {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 10px 12px;
  color: var(--text);
  font-size: 14px;
}
.modal-actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 18px; }
.key-result {
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  font-size: 13px;
  color: var(--text-dim);
}
.key-result.hidden { display: none; }
.key-result code {
  display: block;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 10px;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 12px;
  word-break: break-all;
  margin: 8px 0 10px;
  color: var(--accent);
}

@media (max-width: 720px) {
  .layout { flex-direction: column; }
  .side-pane { width: 100%; border-left: none; border-top: 1px solid var(--line); max-height: 45vh; }
}

/* ---------- Manage Operators page ---------- */
.ops-main {
  flex: 1;
  overflow-y: auto;
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  max-width: 720px;
  margin: 0 auto;
  width: 100%;
}
.ops-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
}
.ops-card h2 {
  font-size: 14px;
  margin: 0 0 6px;
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.ops-add-form {
  display: flex;
  gap: 12px;
  align-items: flex-end;
  margin-top: 16px;
  flex-wrap: wrap;
}
.ops-add-form label { display: flex; flex-direction: column; gap: 6px; font-size: 13px; color: var(--text-dim); flex: 1; min-width: 160px; }
.ops-add-form input {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 10px 12px;
  color: var(--text);
  font-size: 14px;
  font-family: 'IBM Plex Mono', monospace;
}
.ops-add-form input:focus { outline: none; border-color: var(--accent); }

.operator-card {
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 16px;
  margin-top: 12px;
}
.operator-card-top { display: flex; align-items: center; gap: 8px; }
.operator-name { font-weight: 600; font-size: 14px; flex: 1; }
.device-checklist {
  margin-top: 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-height: 220px;
  overflow-y: auto;
  padding-right: 4px;
}
.device-checkbox {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text);
  cursor: pointer;
}
.device-checkbox input { accent-color: var(--accent); width: 15px; height: 15px; cursor: pointer; }
.save-access-btn { margin-top: 14px; }
.hidden { display: none; }