:root {
  --bg: #f5f6fa;
  --panel: #ffffff;
  --text: #172033;
  --muted: #6b7280;
  --primary: #f00563;
  --primary-dark: #c80451;
  --border: #e5e7eb;
  --sidebar: #111827;
  --sidebar-soft: #1f2937;
  --success: #16a34a;
  --warning: #d97706;
  --radius: 18px;
  --shadow: 0 14px 30px rgba(15, 23, 42, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
}

.app-shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 280px 1fr;
}

.sidebar {
  background: linear-gradient(180deg, var(--sidebar), var(--sidebar-soft));
  color: white;
  padding: 28px 22px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 34px;
}

.brand-mark {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  background: var(--primary);
  font-weight: 800;
}

.brand strong {
  display: block;
  font-size: 17px;
}

.brand span {
  display: block;
  color: #cbd5e1;
  font-size: 13px;
}

.sidebar-nav {
  display: grid;
  gap: 8px;
}

.sidebar-nav a {
  color: #d1d5db;
  text-decoration: none;
  padding: 12px 14px;
  border-radius: 12px;
  font-weight: 600;
}

.sidebar-nav a:hover,
.sidebar-nav a.active {
  color: white;
  background: rgba(255, 255, 255, 0.10);
}

.main {
  min-width: 0;
}

.topbar {
  height: 96px;
  background: white;
  border-bottom: 1px solid var(--border);
  padding: 20px 34px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.topbar h1 {
  margin: 0;
  font-size: 26px;
}

.topbar p {
  margin: 4px 0 0;
  color: var(--muted);
}

.user-chip {
  background: #f3f4f6;
  border: 1px solid var(--border);
  padding: 10px 14px;
  border-radius: 999px;
  font-weight: 700;
}

.content {
  padding: 34px;
}

.grid {
  display: grid;
  gap: 22px;
}

.cards {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.card,
.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.card {
  padding: 24px;
}

.card h2,
.panel h2 {
  margin: 8px 0 8px;
}

.card p {
  color: var(--muted);
  margin: 0;
  line-height: 1.5;
}

.card.success {
  border-left: 5px solid var(--success);
}

.card.warning {
  border-left: 5px solid var(--warning);
}

.eyebrow {
  color: var(--primary);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.panel {
  margin-top: 24px;
  padding: 26px;
}

.timeline {
  display: grid;
  gap: 12px;
}

.timeline div {
  padding: 14px 16px;
  border: 1px solid var(--border);
  border-radius: 14px;
  display: flex;
  gap: 18px;
  align-items: center;
}

.timeline strong {
  color: var(--primary);
  min-width: 70px;
}

.timeline span {
  color: var(--muted);
}

.component-row {
  display: flex;
  gap: 12px;
  margin-bottom: 24px;
}

.btn {
  border: 0;
  border-radius: 12px;
  padding: 12px 18px;
  font-weight: 800;
  cursor: pointer;
}

.btn.primary {
  background: var(--primary);
  color: white;
}

.btn.primary:hover {
  background: var(--primary-dark);
}

.btn.secondary {
  background: #eef2f7;
  color: var(--text);
}

@media (max-width: 900px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: static;
  }

  .cards {
    grid-template-columns: 1fr;
  }

  .topbar {
    height: auto;
    align-items: flex-start;
    gap: 16px;
    flex-direction: column;
  }
}