:root {
  --bg: #0f172a;
  --bg-soft: #1e293b;
  --bg-card: #1e293b;
  --border: #334155;
  --text: #e2e8f0;
  --text-muted: #94a3b8;
  --accent: #3b82f6;
  --accent-hover: #2563eb;
  --green: #10b981;
  --red: #ef4444;
  --yellow: #f59e0b;
}

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

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 24px;
  background: var(--bg-soft);
  border-bottom: 1px solid var(--border);
}
.topbar .brand { font-weight: 700; font-size: 18px; }
.topbar nav a { margin-right: 16px; color: var(--text-muted); }
.topbar nav a.active { color: var(--text); }
.topbar .user-box { display: flex; align-items: center; gap: 12px; font-size: 14px; }

.container { max-width: 1200px; margin: 0 auto; padding: 24px; }
.container.full { max-width: 1500px; }

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 20px;
  margin-bottom: 20px;
}
.card h2 { margin-top: 0; }
.card h3 { margin-top: 0; color: var(--text-muted); font-weight: 500; font-size: 14px; text-transform: uppercase; letter-spacing: 0.5px; }

.btn {
  background: var(--accent);
  color: white;
  border: none;
  padding: 8px 16px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 14px;
  font-weight: 500;
}
.btn:hover { background: var(--accent-hover); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }
.btn.secondary { background: var(--bg-soft); border: 1px solid var(--border); }
.btn.danger { background: var(--red); }
.btn.success { background: var(--green); }
.btn.warning { background: var(--yellow); color: #0f172a; }
.btn.small { padding: 4px 10px; font-size: 12px; }

input, select, textarea {
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 8px 12px;
  font-size: 14px;
  width: 100%;
  font-family: inherit;
}
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--accent); }

.form-row { margin-bottom: 12px; }
.form-row label { display: block; margin-bottom: 4px; font-size: 13px; color: var(--text-muted); }
.row { display: flex; gap: 12px; align-items: center; }
.row > * { flex: 1; }
.spacer { flex: 1; }

table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 10px 8px; border-bottom: 1px solid var(--border); font-size: 14px; }
th { font-weight: 500; color: var(--text-muted); font-size: 12px; text-transform: uppercase; }

.badge { display: inline-block; padding: 2px 8px; border-radius: 999px; font-size: 11px; font-weight: 600; text-transform: uppercase; }
.badge.green { background: rgba(16, 185, 129, 0.2); color: var(--green); }
.badge.red { background: rgba(239, 68, 68, 0.2); color: var(--red); }
.badge.yellow { background: rgba(245, 158, 11, 0.2); color: var(--yellow); }
.badge.blue { background: rgba(59, 130, 246, 0.2); color: var(--accent); }

.login-wrap { max-width: 400px; margin: 80px auto; }
.login-wrap h1 { text-align: center; }
.error-msg { background: rgba(239, 68, 68, 0.1); color: var(--red); padding: 10px; border-radius: 6px; margin-bottom: 12px; }

/* Switchboard layout */
.switchboard-grid {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 20px;
}
@media (max-width: 1000px) {
  .switchboard-grid { grid-template-columns: 1fr; }
}

.call-row {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px;
  margin-bottom: 10px;
}
.call-row.ringing { border-color: var(--yellow); }
.call-row.in-progress { border-color: var(--green); }
.call-row.on-hold { border-color: var(--accent); }

.call-row .top { display: flex; justify-content: space-between; align-items: center; }
.call-row .from-num { font-size: 18px; font-weight: 600; }
.call-row .meta { font-size: 12px; color: var(--text-muted); margin-top: 4px; }
.call-row .actions { margin-top: 10px; display: flex; gap: 8px; flex-wrap: wrap; }

.dialer-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin-top: 12px; }
.dialer-grid button {
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 14px;
  border-radius: 8px;
  font-size: 18px;
  cursor: pointer;
}
.dialer-grid button:hover { background: var(--bg-soft); }

/* Flow editor */
.step-block {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px;
  margin-bottom: 10px;
}
.step-block .step-head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}
.step-block .step-head strong { color: var(--accent); }

.empty {
  text-align: center;
  padding: 40px;
  color: var(--text-muted);
}