:root {
  --ink: #111827;
  --muted: #64748b;
  --line: #e5e7eb;
  --paper: #ffffff;
  --soft: #f7f8fb;
  --graphite: #1f2937;
  --pink: #ef3f8f;
  --orange: #ff8a1f;
  --violet: #6544c6;
  --teal: #0f9f9a;
  --green: #0f8f5f;
  --danger: #c2410c;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--soft);
}

* { box-sizing: border-box; }
body { margin: 0; min-height: 100vh; background: var(--soft); }
button, input, select, textarea { font: inherit; }
button { cursor: pointer; }
button:disabled { cursor: wait; opacity: .68; }
.hidden { display: none !important; }

.auth-shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: minmax(420px, 0.95fr) minmax(460px, 1.05fr);
}
.auth-panel {
  background: #111827;
  color: #fff;
  padding: 52px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 32px;
}
.brand-mark {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--orange), var(--pink) 52%, var(--violet));
  display: grid;
  place-items: center;
  font-weight: 900;
  font-size: 24px;
}
.auth-panel h1 {
  font-size: 44px;
  line-height: 1.08;
  margin: 38px 0 16px;
  letter-spacing: 0;
  max-width: 620px;
}
.auth-panel p { color: #cbd5e1; line-height: 1.7; max-width: 620px; }
.auth-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}
.metric-tile {
  border: 1px solid rgba(255,255,255,.14);
  border-radius: 8px;
  padding: 14px;
  background: rgba(255,255,255,.06);
}
.metric-tile strong { display: block; font-size: 24px; }
.metric-tile span { color: #cbd5e1; font-size: 13px; }
.auth-form-wrap {
  display: grid;
  place-items: center;
  padding: 42px;
}
.auth-form {
  width: min(460px, 100%);
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 28px;
  box-shadow: 0 18px 48px rgba(15, 23, 42, .08);
}
.auth-tabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  background: #eef2f7;
  border-radius: 8px;
  padding: 4px;
  margin-bottom: 22px;
}
.auth-tabs button {
  border: 0;
  border-radius: 6px;
  padding: 10px;
  color: var(--muted);
  background: transparent;
}
.auth-tabs button.active {
  background: #fff;
  color: var(--ink);
  box-shadow: 0 1px 6px rgba(15, 23, 42, .12);
}

.app-shell {
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr);
  min-height: 100vh;
}
.sidebar {
  background: #101820;
  color: #dbeafe;
  padding: 22px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.sidebar-head {
  display: flex;
  align-items: center;
  gap: 12px;
}
.sidebar-head strong { color: #fff; display: block; }
.sidebar-head small { color: #9fb3c8; }
.nav-list { display: grid; gap: 6px; }
.nav-button {
  display: flex;
  align-items: center;
  gap: 10px;
  border: 0;
  color: #b7c6d7;
  background: transparent;
  border-radius: 8px;
  padding: 11px 12px;
  text-align: left;
}
.nav-button.active,
.nav-button:hover { color: #fff; background: rgba(255,255,255,.08); }
.sidebar-footer { margin-top: auto; color: #93a4b7; font-size: 13px; line-height: 1.5; }

.main {
  min-width: 0;
  padding: 24px 28px 40px;
}
.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  margin-bottom: 22px;
}
.topbar h1 {
  margin: 0;
  font-size: 26px;
  letter-spacing: 0;
}
.topbar p { margin: 6px 0 0; color: var(--muted); }
.user-box { display: flex; align-items: center; gap: 12px; }
.avatar {
  width: 38px; height: 38px; border-radius: 50%;
  display: grid; place-items: center;
  background: linear-gradient(135deg, var(--teal), var(--violet));
  color: #fff; font-weight: 800;
}

.grid {
  display: grid;
  gap: 16px;
}
.stats { grid-template-columns: repeat(4, minmax(0, 1fr)); margin-bottom: 16px; }
.two-col { grid-template-columns: minmax(0, 1.1fr) minmax(340px, .9fr); }
.panel, .card, .modal {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 8px 28px rgba(15, 23, 42, .05);
}
.panel { padding: 18px; }
.card { padding: 16px; }
.stat-card { padding: 16px; border-left: 4px solid var(--teal); }
.stat-card:nth-child(2) { border-left-color: var(--pink); }
.stat-card:nth-child(3) { border-left-color: var(--orange); }
.stat-card:nth-child(4) { border-left-color: var(--violet); }
.stat-card span { color: var(--muted); font-size: 13px; }
.stat-card strong { display: block; font-size: 28px; margin-top: 6px; }

.panel-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 14px;
}
.panel-head h2 { margin: 0; font-size: 18px; }
.panel-head p { margin: 4px 0 0; color: var(--muted); font-size: 14px; line-height: 1.5; }
.toolbar { display: flex; gap: 8px; flex-wrap: wrap; }

.btn {
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
  border-radius: 8px;
  padding: 10px 13px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.btn.primary {
  border-color: transparent;
  color: #fff;
  background: linear-gradient(135deg, var(--orange), var(--pink) 58%, var(--violet));
}
.btn.ghost { background: transparent; }
.btn.danger { border-color: #fed7aa; color: var(--danger); background: #fff7ed; }
.btn.icon { width: 38px; height: 38px; padding: 0; justify-content: center; }

.toast {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 14px;
  border: 1px solid var(--line);
  border-left: 4px solid var(--teal);
  background: #ecfeff;
  border-radius: 8px;
  padding: 12px 14px;
  margin-bottom: 16px;
}
.toast strong { display: block; }
.toast p { margin: 4px 0 0; color: var(--muted); }
.toast.error {
  border-left-color: var(--danger);
  background: #fff7ed;
}

.connector-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}
.connector-card {
  display: grid;
  gap: 12px;
}
.connector-title {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  align-items: start;
}
.connector-title h3 { margin: 0; font-size: 16px; }
.connector-card p { margin: 0; color: var(--muted); line-height: 1.55; font-size: 14px; }
.connector-meta {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.connector-meta span {
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  font-size: 12px;
  padding: 4px 8px;
  background: #f8fafc;
}
.connected-panel { margin-top: 16px; }
.badge {
  border-radius: 999px;
  font-size: 12px;
  padding: 4px 8px;
  color: #0f5132;
  background: #dcfce7;
  white-space: nowrap;
}
.badge.warn { background: #fef3c7; color: #92400e; }
.badge.neutral { background: #e0f2fe; color: #075985; }

.account-list, .workflow-list, .event-list { display: grid; gap: 10px; }
.row-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}
.row-item h3 { margin: 0; font-size: 15px; }
.row-item p { margin: 4px 0 0; color: var(--muted); font-size: 13px; }
.row-actions { display: flex; gap: 8px; flex-shrink: 0; }
.meta-test-row { align-items: flex-start; }
.test-result {
  margin-top: 10px;
  display: grid;
  gap: 8px;
}
.test-result ul {
  list-style: none;
  display: grid;
  gap: 6px;
  margin: 0;
  padding: 0;
}
.test-result li {
  display: grid;
  grid-template-columns: 10px minmax(220px, 1fr) auto;
  align-items: center;
  gap: 8px;
  color: var(--graphite);
  font-size: 13px;
}
.check-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--danger);
}
.check-dot.ok { background: var(--green); }
.check-dot.error { background: var(--danger); }

.form-grid { display: grid; gap: 12px; }
.field { display: grid; gap: 6px; }
.field label { font-size: 13px; color: var(--graphite); font-weight: 650; }
.field input, .field select, .field textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 11px 12px;
  background: #fff;
  outline: none;
}
.field input:focus, .field textarea:focus { border-color: var(--teal); box-shadow: 0 0 0 3px rgba(15,159,154,.12); }
.error { color: #b91c1c; min-height: 20px; font-size: 13px; }
.hint { color: var(--muted); font-size: 13px; line-height: 1.55; }
.setup-box {
  border: 1px solid #bae6fd;
  border-radius: 8px;
  background: #f0f9ff;
  padding: 12px;
  margin-bottom: 14px;
}
.setup-box.warn {
  border-color: #fed7aa;
  background: #fff7ed;
}
.setup-box strong { display: block; margin-bottom: 4px; }
.setup-box p { margin: 4px 0; color: var(--muted); line-height: 1.55; }
.setup-box code {
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
  color: var(--graphite);
  padding: 2px 6px;
}
.code-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 8px 0;
}
.setup-actions {
  display: flex;
  justify-content: flex-end;
  margin-top: 14px;
}

.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(15,23,42,.48);
  display: grid;
  place-items: center;
  padding: 24px;
  z-index: 20;
}
.modal {
  width: min(680px, 100%);
  max-height: calc(100vh - 48px);
  overflow: auto;
  padding: 20px;
}
.modal-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 14px;
  margin-bottom: 16px;
}
.modal-head h2 { margin: 0; font-size: 20px; }
.modal-head p { margin: 4px 0 0; color: var(--muted); }

@media (max-width: 980px) {
  .auth-shell, .app-shell, .two-col { grid-template-columns: 1fr; }
  .sidebar { position: static; }
  .stats, .connector-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 640px) {
  .auth-panel, .auth-form-wrap, .main { padding: 22px; }
  .auth-panel h1 { font-size: 32px; }
  .auth-metrics, .stats, .connector-grid { grid-template-columns: 1fr; }
  .topbar, .panel-head, .row-item { align-items: stretch; flex-direction: column; }
  .row-actions { width: 100%; }
  .row-actions .btn { flex: 1; justify-content: center; }
}