:root {
  --bg: #f7f9fb;
  --surface: #ffffff;
  --surface-soft: #eef2f5;
  --surface-deep: #dce5ee;
  --surface-border: rgba(119, 117, 135, 0.18);
  --text: #191c1e;
  --muted: #5a6072;
  --primary: #1274ff;
  --primary-strong: #0055d4;
  --indigo: #4f46e5;
  --amber: #d97706;
  --success: #0c7b43;
  --danger: #b42318;
  --shadow: 0 14px 32px rgba(15, 23, 42, 0.06);
  font-family: Arial, Helvetica, sans-serif;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background:
    radial-gradient(circle at top right, rgba(18, 116, 255, 0.08), transparent 24rem),
    radial-gradient(circle at bottom left, rgba(12, 123, 67, 0.08), transparent 22rem),
    var(--bg);
  color: var(--text);
}

.hidden { display: none !important; }
.shell { min-height: 100vh; }

.auth-shell {
  display: grid;
  place-items: center;
  padding: 2rem;
}

.auth-card, .panel, .metric-card {
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid var(--surface-border);
  border-radius: 1.25rem;
  box-shadow: var(--shadow);
}

.auth-card {
  width: min(100%, 34rem);
  padding: 2rem;
}

.wide-card { width: min(100%, 60rem); }
.auth-copy h1, .brand-block h1, .topbar h2, .panel h3 { margin: 0; }
.auth-copy p { color: var(--muted); line-height: 1.6; }

.eyebrow {
  margin: 0 0 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--muted);
}

.stack { display: grid; gap: 1rem; }
.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}
.full-span { grid-column: 1 / -1; }

label { display: grid; gap: 0.45rem; }
label span {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--muted);
}
input, textarea, select {
  width: 100%;
  padding: 0.9rem 1rem;
  border: 1px solid var(--surface-border);
  border-radius: 0.85rem;
  background: white;
  font: inherit;
}
textarea { resize: vertical; }

.primary-button, .secondary-button, .nav-item, .table-link {
  border: 0;
  cursor: pointer;
  font: inherit;
}

.primary-button, .secondary-button {
  padding: 0.9rem 1.2rem;
  border-radius: 0.9rem;
  font-weight: 700;
}

.primary-button {
  color: white;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-strong) 100%);
}

.secondary-button {
  color: var(--primary-strong);
  background: white;
  border: 1px solid rgba(0, 85, 212, 0.18);
}

.feedback {
  padding: 0.9rem 1rem;
  border-radius: 0.85rem;
  font-weight: 600;
}
.feedback.success { background: rgba(12, 123, 67, 0.12); color: var(--success); }
.feedback.error { background: rgba(180, 35, 24, 0.12); color: var(--danger); }

.app-shell {
  display: grid;
  grid-template-columns: 17rem minmax(0, 1fr);
  min-height: 100vh;
  align-items: start;
}

.sidebar {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding: 1.5rem 1rem;
  background: rgba(238, 242, 245, 0.92);
  border-right: 1px solid var(--surface-border);
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
}

.brand-block { padding: 0.5rem 0.75rem 1rem; }
.brand-block h1 {
  display: flex;
  align-items: center;
  gap: 0.7rem;
}
.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 2rem;
  height: 2rem;
  border-radius: 0.7rem;
  color: white;
  font-size: 0.78rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-strong) 100%);
  box-shadow: 0 10px 22px rgba(18, 116, 255, 0.22);
}
.sidebar-nav { display: grid; gap: 0.45rem; }
.nav-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-align: left;
  padding: 0.95rem 1rem;
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
}
.nav-item.active {
  background: rgba(18, 116, 255, 0.12);
  color: var(--primary-strong);
}
.nav-icon,
.metric-badge {
  display: inline-grid;
  place-items: center;
}
.nav-icon svg,
.metric-badge svg {
  width: 1.1rem;
  height: 1.1rem;
}

.profile-card {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  margin-top: auto;
  padding: 1rem;
  background: white;
  border-radius: 1rem;
  box-shadow: var(--shadow);
}
.avatar {
  display: grid;
  place-items: center;
  width: 2.6rem;
  height: 2.6rem;
  border-radius: 0.8rem;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-strong) 100%);
  color: white;
  font-weight: 700;
}
.profile-name { font-weight: 700; }
.profile-role { color: var(--muted); font-size: 0.82rem; text-transform: capitalize; }

.content-frame {
  min-height: 100vh;
  padding: 1.5rem 1.5rem 2rem;
}
.topbar {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 1rem;
  padding-bottom: 1rem;
}
.topbar-actions { display: flex; gap: 0.75rem; }
.page-feedback { margin-bottom: 1rem; }

.page-view { display: grid; gap: 1rem; }
.metric-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
}
.metric-card {
  padding: 1.35rem;
  display: grid;
  gap: 0.5rem;
  position: relative;
  overflow: hidden;
}
.metric-label {
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.72rem;
  font-weight: 700;
}
.metric-card strong {
  font-size: 2rem;
  line-height: 1;
}
.metric-badge {
  width: 2.4rem;
  height: 2.4rem;
  border-radius: 0.85rem;
  margin-bottom: 0.2rem;
}
.tint-blue {
  background: rgba(18, 116, 255, 0.12);
  color: var(--primary-strong);
}
.tint-indigo {
  background: rgba(79, 70, 229, 0.12);
  color: var(--indigo);
}
.tint-green {
  background: rgba(12, 123, 67, 0.12);
  color: var(--success);
}
.tint-amber {
  background: rgba(217, 119, 6, 0.12);
  color: var(--amber);
}
.metric-card::after {
  content: "";
  position: absolute;
  right: -2rem;
  bottom: -2rem;
  width: 7rem;
  height: 7rem;
  border-radius: 999px;
  background: radial-gradient(circle, rgba(18, 116, 255, 0.08), transparent 65%);
}

.split-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 1rem;
}
.panel { padding: 1.25rem; }
.panel-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1rem;
}
.compact { align-items: center; }

.row-actions { display: flex; gap: 0.75rem; }
.table-wrap { overflow-x: auto; }
table {
  width: 100%;
  border-collapse: collapse;
}
th, td {
  text-align: left;
  padding: 0.85rem 0.5rem;
  border-bottom: 1px solid var(--surface-border);
}
th {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.72rem;
  color: var(--muted);
}
td { font-size: 0.95rem; }
.table-link {
  color: var(--primary-strong);
  background: transparent;
  padding: 0;
}

.step-panel { background: var(--surface-soft); }
.notes-list {
  margin: 0;
  padding-left: 1.2rem;
  color: var(--muted);
  display: grid;
  gap: 0.75rem;
}

.inline-note {
  padding: 0.9rem 1rem;
  border-radius: 0.85rem;
  background: linear-gradient(135deg, rgba(18, 116, 255, 0.08), rgba(79, 70, 229, 0.08));
  color: var(--muted);
  font-size: 0.92rem;
}

.connect-card {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 1.1rem 1.15rem;
  border-radius: 1rem;
  background: linear-gradient(135deg, rgba(18, 116, 255, 0.1), rgba(79, 70, 229, 0.1));
  border: 1px solid rgba(18, 116, 255, 0.12);
}

.connect-copy h4 {
  margin: 0;
  font-size: 1.05rem;
}

.connect-copy p:last-child {
  margin: 0.35rem 0 0;
  color: var(--muted);
  line-height: 1.5;
}

.advanced-panel {
  border: 1px solid var(--surface-border);
  border-radius: 1rem;
  background: rgba(255, 255, 255, 0.72);
  padding: 0.2rem 1rem 1rem;
}

.advanced-panel summary {
  cursor: pointer;
  font-weight: 700;
  color: var(--primary-strong);
  padding: 0.9rem 0 0.75rem;
  list-style: none;
}

.advanced-panel summary::-webkit-details-marker {
  display: none;
}

.advanced-grid {
  padding-top: 0.2rem;
}

code {
  font-family: "Courier New", Courier, monospace;
}

@media (max-width: 1024px) {
  .app-shell { grid-template-columns: 1fr; }
  .sidebar {
    position: static;
    height: auto;
    overflow: visible;
  }
  .metric-grid, .split-grid, .form-grid { grid-template-columns: 1fr; }
  .connect-card { flex-direction: column; align-items: stretch; }
}