:root {
  --bg: #f5f7fb;
  --panel: #ffffff;
  --ink: #102033;
  --muted: #64748b;
  --line: #e2e8f0;
  --accent: #ff5b2e;
  --accent-dark: #d9471f;
  --nav: #0f1b33;
}

* { box-sizing: border-box; }

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

a { color: var(--accent-dark); text-decoration: none; }

.app-shell { display: flex; min-height: 100vh; }

.sidebar {
  width: 270px;
  background: var(--nav);
  color: #fff;
  padding: 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  margin-bottom: 34px;
}

.brand-mark {
  display: inline-flex;
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: var(--accent);
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 12px;
  letter-spacing: .08em;
}

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

.sidebar a {
  color: #dbe4f0;
  padding: 12px 14px;
  border-radius: 12px;
}

.sidebar a.active,
.sidebar a:hover {
  background: rgba(255,255,255,.1);
  color: #fff;
}

.main { flex: 1; padding: 28px; }
.main.full { padding: 0; }

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 26px;
}

.topbar form {
  display: flex;
  align-items: center;
  gap: 12px;
}

.user { color: var(--muted); }

.cards {
  display: grid;
  grid-template-columns: repeat(4, minmax(160px, 1fr));
  gap: 18px;
  margin-bottom: 22px;
}

.card,
.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: 0 10px 30px rgba(15, 23, 42, .04);
}

.card {
  padding: 20px;
}

.card span,
.summary-grid span {
  display: block;
  color: var(--muted);
  font-size: 13px;
  margin-bottom: 8px;
}

.card strong {
  font-size: 34px;
}

.panel {
  padding: 24px;
}

.panel.narrow {
  max-width: 760px;
}

.panel-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 18px;
}

h1, h2, h3 { margin-top: 0; }

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

table {
  width: 100%;
  border-collapse: collapse;
}

th, td {
  text-align: left;
  border-bottom: 1px solid var(--line);
  padding: 14px 10px;
  vertical-align: top;
}

th {
  font-size: 13px;
  color: var(--muted);
  font-weight: 700;
}

.pill {
  display: inline-block;
  background: #eef2ff;
  color: #334155;
  border-radius: 999px;
  padding: 5px 10px;
  font-size: 12px;
  text-transform: capitalize;
}

.button {
  border: 0;
  border-radius: 12px;
  padding: 11px 16px;
  font-weight: 700;
  cursor: pointer;
  display: inline-block;
}

.button.primary {
  background: var(--accent);
  color: #fff;
}

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

.button.ghost {
  background: transparent;
  border: 1px solid var(--line);
  color: var(--ink);
}

.full-width { width: 100%; }

.login-wrap {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 28px;
  background:
    radial-gradient(circle at top left, rgba(255, 91, 46, .18), transparent 34%),
    var(--nav);
}

.login-card {
  width: 100%;
  max-width: 430px;
  background: #fff;
  border-radius: 24px;
  padding: 34px;
  box-shadow: 0 30px 80px rgba(0,0,0,.25);
}

.login-brand {
  font-weight: 900;
  color: var(--accent-dark);
  margin-bottom: 20px;
}

form label {
  display: grid;
  gap: 8px;
  font-weight: 700;
  margin-bottom: 16px;
}

input, select, textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 12px 14px;
  font: inherit;
  background: #fff;
}

textarea { resize: vertical; }

.alert {
  background: #fff1f2;
  border: 1px solid #fecdd3;
  color: #9f1239;
  padding: 12px 14px;
  border-radius: 12px;
  margin: 16px 0;
}

.form-grid { display: grid; gap: 4px; }

.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(120px, 1fr));
  gap: 14px;
  margin: 20px 0 26px;
}

.summary-grid div {
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 14px;
}

@media (max-width: 900px) {
  .app-shell { display: block; }
  .sidebar { width: 100%; }
  .cards, .summary-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 560px) {
  .cards, .summary-grid, .two-col { grid-template-columns: 1fr; }
}