:root {
  --bg: #f5f1e8;
  --surface: #fffdf9;
  --surface-strong: #f1e6d2;
  --text: #2b241d;
  --muted: #6e6255;
  --primary: #0f766e;
  --primary-strong: #0b5c56;
  --border: #dbcbb4;
  --danger: #b42318;
  --success: #1d7a46;
  --shadow: 0 18px 50px rgba(57, 41, 18, 0.08);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Segoe UI", Tahoma, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top right, rgba(217, 119, 6, 0.18), transparent 24%),
    linear-gradient(180deg, #f8f5ee 0%, var(--bg) 100%);
}

a { color: var(--primary-strong); text-decoration: none; }

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

.sidebar {
  padding: 28px 22px;
  background: linear-gradient(180deg, #17332f 0%, #264843 100%);
  color: #f7f3eb;
  position: sticky;
  top: 0;
  height: 100vh;
}

.brand {
  display: inline-block;
  font-size: 1.5rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 24px;
}

.nav { display: grid; gap: 10px; margin-bottom: 24px; }

.nav a,
.ghost-button {
  border: 1px solid rgba(255, 255, 255, 0.18);
  color: #f7f3eb;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 14px;
  padding: 12px 14px;
  font: inherit;
}

.content { padding: 28px; }
.content-auth { display: grid; place-items: center; }

.auth-card,
.panel,
.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 24px;
  box-shadow: var(--shadow);
}

.auth-card,
.panel,
.stat-card { padding: 24px; }
.auth-card { width: min(460px, 100%); }

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

.page-header h1 { margin: 0 0 6px; font-size: 2rem; }
.page-header p { margin: 0; color: var(--muted); }

.button-link,
button {
  appearance: none;
  border: 0;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-strong) 100%);
  color: white;
  padding: 12px 18px;
  font: inherit;
  cursor: pointer;
}

.stats-grid,
.detail-grid { display: grid; gap: 20px; }

.stats-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-bottom: 20px;
}

.detail-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }

.stat-card h2 { margin: 0 0 8px; font-size: 2rem; }

.panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.form-grid.compact { grid-template-columns: 1fr; }
.form-grid label,
.detail-list div { display: grid; gap: 8px; }
.full,
.form-actions { grid-column: 1 / -1; }

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

.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }

th,
td {
  padding: 14px 12px;
  border-bottom: 1px solid var(--border);
  text-align: left;
  vertical-align: top;
}

.flash-stack { display: grid; gap: 10px; margin-bottom: 18px; }
.flash { padding: 12px 14px; border-radius: 14px; }
.flash-success { background: rgba(29, 122, 70, 0.12); color: var(--success); }
.flash-error { background: rgba(180, 35, 24, 0.12); color: var(--danger); }

.detail-list { display: grid; gap: 12px; margin: 0; }
.detail-list dt { font-weight: 700; }
.detail-list dd { margin: 0; color: var(--muted); }

code {
  background: var(--surface-strong);
  border-radius: 8px;
  padding: 2px 6px;
}

@media (max-width: 980px) {
  .app-shell,
  .detail-grid,
  .stats-grid,
  .form-grid { grid-template-columns: 1fr; }

  .sidebar {
    position: static;
    height: auto;
  }

  .page-header {
    align-items: start;
    flex-direction: column;
  }
}