:root {
  --primary: #00a8cc;
  --primary-dark: #00668d;
  --background: #f7fbfc;
  --card: #ffffff;
  --text-primary: #1b2a33;
  --text-secondary: #6b7c85;
  --error: #e05252;
  --border: rgba(0,0,0,0.1);
}

* { box-sizing: border-box; }
body { margin: 0; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; background: var(--background); color: var(--text-primary); }
a { color: var(--primary-dark); }

.admin-shell { display: flex; min-height: 100vh; }
.admin-sidebar { width: 200px; background: var(--card); border-right: 1px solid var(--border); padding: 20px 0; flex-shrink: 0; }
.admin-sidebar .brand { padding: 0 20px 20px; font-weight: 700; }
.admin-sidebar nav a { display: block; padding: 10px 20px; color: var(--text-primary); font-size: 14px; }
.admin-sidebar nav a:hover, .admin-sidebar nav a.active { background: var(--background); color: var(--primary-dark); }
.admin-sidebar form { padding: 0 20px; margin-top: 20px; }

.admin-main { flex: 1; padding: 28px; max-width: 900px; }
.admin-main h1 { margin-top: 0; }
.admin-main.is-wide { max-width: 1160px; }

table.admin-table { width: 100%; border-collapse: collapse; background: var(--card); border-radius: 12px; overflow: hidden; }
table.admin-table th, table.admin-table td { padding: 10px 14px; text-align: left; border-bottom: 1px solid var(--border); font-size: 14px; }
table.admin-table th { background: var(--background); }

.btn {
  display: inline-block;
  padding: 10px 18px;
  border-radius: 10px;
  background: var(--primary-dark);
  color: white;
  border: none;
  font-size: 14px;
  cursor: pointer;
  text-decoration: none;
}
.btn.btn-secondary { background: transparent; color: var(--text-primary); border: 1px solid var(--border); }
.btn.btn-danger { background: var(--error); }

.form-row { margin-bottom: 16px; }
.form-row label { display: block; font-weight: 600; font-size: 13px; margin-bottom: 6px; }
.form-row input[type=text], .form-row input[type=email], .form-row input[type=password] {
  width: 100%; padding: 10px 12px; border-radius: 8px; border: 1px solid var(--border); font: inherit;
}
.hint { font-size: 12px; color: var(--text-secondary); margin: 6px 0 0; }

.error-text { color: var(--error); margin-bottom: 12px; }
.login-box { max-width: 360px; margin: 80px auto; background: var(--card); padding: 32px; border-radius: 16px; }

/* Дашборд */
.range-tabs { display: flex; align-items: center; gap: 8px; margin-bottom: 20px; flex-wrap: wrap; }
.range-tabs a { padding: 8px 14px; border-radius: 8px; font-size: 13px; font-weight: 600; color: var(--text-secondary); border: 1px solid var(--border); text-decoration: none; }
.range-tabs a.active { background: var(--primary-dark); color: white; border-color: var(--primary-dark); }
.range-custom { display: flex; align-items: center; gap: 6px; margin-left: 8px; padding-left: 12px; border-left: 1px solid var(--border); }
.range-custom input[type=date] { padding: 7px 8px; border-radius: 8px; border: 1px solid var(--border); font: inherit; font-size: 13px; }
.range-custom .btn { padding: 7px 14px; font-size: 13px; }

.stat-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; margin-bottom: 24px; }
.stat-card { background: var(--card); border-radius: 12px; padding: 16px; border: 1px solid var(--border); }
.stat-card__label { font-size: 12px; color: var(--text-secondary); margin-bottom: 6px; }
.stat-card__value { font-size: 24px; font-weight: 700; }

.chart-card { background: var(--card); border-radius: 12px; padding: 20px; border: 1px solid var(--border); margin-bottom: 24px; }
.chart-card h3 { margin-top: 0; font-size: 14px; color: var(--text-secondary); }
.chart-bars { display: flex; align-items: flex-end; gap: 4px; height: 140px; }
.chart-bar { flex: 1; background: var(--primary); border-radius: 4px 4px 0 0; min-height: 2px; position: relative; }
.chart-bar:hover { background: var(--primary-dark); }
.chart-bar__tip { position: absolute; bottom: 100%; left: 50%; transform: translateX(-50%); font-size: 10px; background: var(--text-primary); color: white; padding: 2px 5px; border-radius: 4px; white-space: nowrap; opacity: 0; pointer-events: none; margin-bottom: 4px; }
.chart-bar:hover .chart-bar__tip { opacity: 1; }

.breakdown-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 24px; }
.breakdown-card { background: var(--card); border-radius: 12px; padding: 16px; border: 1px solid var(--border); }
.breakdown-card h3 { margin: 0 0 10px; font-size: 14px; color: var(--text-secondary); }
.breakdown-row { display: flex; align-items: center; gap: 10px; margin-bottom: 8px; font-size: 13px; }
.breakdown-row__label { width: 90px; flex-shrink: 0; text-transform: capitalize; }
.breakdown-row__bar { flex: 1; background: var(--background); border-radius: 4px; height: 10px; overflow: hidden; }
.breakdown-row__fill { background: var(--primary); height: 100%; }
.breakdown-row__n { width: 40px; text-align: right; color: var(--text-secondary); }