* {
  box-sizing: border-box;
}

:root {
  --bg: #f5f6f8;
  --surface: #ffffff;
  --surface-alt: #f0f2f5;
  --border: #d7dce3;
  --text: #1a1f29;
  --muted: #6b7280;
  --primary: #111827;
  --success: #1f7a3f;
  --warning: #9a6b00;
  --danger: #a22929;
}

html, body {
  margin: 0;
  padding: 0;
  font-family: Inter, Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
}

body {
  min-height: 100vh;
}

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

.sidebar {
  background: #fff;
  border-right: 1px solid var(--border);
  padding: 24px 20px;
}

.brand {
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border);
}

.brand-title {
  font-weight: 800;
  font-size: 24px;
  letter-spacing: 0.01em;
}

.brand-subtitle {
  color: var(--muted);
  margin-top: 4px;
  font-size: 14px;
}

.nav {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 20px;
}

.nav-link {
  display: block;
  text-decoration: none;
  color: var(--text);
  padding: 12px 14px;
  border: 1px solid transparent;
  background: transparent;
}

.nav-link:hover {
  background: var(--surface-alt);
  border-color: var(--border);
}

.nav-link.active {
  background: var(--primary);
  color: white;
  border-color: var(--primary);
}

.content {
  padding: 24px;
}

.topbar {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: flex-start;
  margin-bottom: 20px;
}

.topbar h1 {
  margin: 0;
  font-size: 32px;
  line-height: 1.1;
}

.topbar-subtitle {
  margin-top: 6px;
  color: var(--muted);
  font-size: 14px;
}

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

.user-box {
  text-align: right;
}

.user-name {
  font-weight: 700;
}

.user-email {
  font-size: 13px;
  color: var(--muted);
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 18px;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: 12px;
  margin-bottom: 20px;
}

.stat-card {
  min-height: 110px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.stat-label {
  color: var(--muted);
  font-size: 14px;
}

.stat-value {
  font-size: 28px;
  font-weight: 800;
  word-break: break-word;
}

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: end;
  margin-bottom: 20px;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.field span {
  font-size: 13px;
  color: var(--muted);
}

.field-inline {
  min-width: 180px;
}

input,
select,
textarea,
button {
  font: inherit;
  border-radius: 0;
}

input[type="date"],
input[type="email"],
input[type="password"],
input[type="text"],
input[type="file"],
textarea {
  border: 1px solid var(--border);
  background: white;
  color: var(--text);
  padding: 10px 12px;
  min-height: 44px;
}

.button {
  min-height: 44px;
  padding: 0 16px;
  border: 1px solid var(--border);
  cursor: pointer;
  background: white;
  color: var(--text);
}

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

.button-secondary {
  background: white;
  border-color: var(--border);
  color: var(--text);
}

.button:hover {
  opacity: 0.95;
}

.stack {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.section-title {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 14px;
}

.table-wrap {
  overflow-x: auto;
}

.table {
  width: 100%;
  border-collapse: collapse;
  min-width: 840px;
}

.table th,
.table td {
  border: 1px solid var(--border);
  padding: 10px 12px;
  text-align: left;
  vertical-align: top;
  background: white;
}

.table th {
  background: var(--surface-alt);
  font-size: 13px;
}

.wrap {
  word-break: break-word;
  max-width: 360px;
}

.badge {
  display: inline-block;
  padding: 4px 8px;
  border: 1px solid var(--border);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.badge-success {
  background: #eaf8ef;
  color: var(--success);
  border-color: #b7ddc2;
}

.badge-warning {
  background: #fff6df;
  color: var(--warning);
  border-color: #f1d48b;
}

.badge-danger {
  background: #fdecec;
  color: var(--danger);
  border-color: #f0bcbc;
}

.two-columns {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
  margin-bottom: 20px;
}

.alert {
  border: 1px solid var(--border);
  padding: 12px 14px;
  margin-bottom: 16px;
}

.alert-danger {
  background: #fdecec;
  border-color: #f0bcbc;
  color: var(--danger);
}

.alert-info {
  background: #eef5ff;
  border-color: #c7d8f6;
  color: #184a8d;
}

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

.login-body {
  display: grid;
  place-items: center;
  padding: 24px;
  background: var(--bg);
}

.login-card {
  width: min(100%, 420px);
  background: white;
  border: 1px solid var(--border);
  padding: 28px;
}

.login-card h1 {
  margin: 12px 0 8px;
  font-size: 28px;
}

.login-brand {
  margin-bottom: 16px;
}

@media (max-width: 1100px) {
  .layout {
    grid-template-columns: 1fr;
  }

  .sidebar {
    border-right: 0;
    border-bottom: 1px solid var(--border);
  }

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