:root {
  --bg: #f4f5f7;
  --panel: #ffffff;
  --ink: #1f2430;
  --muted: #6b7280;
  --line: #d4d8e0;
  --line-strong: #b9bfca;
  --accent: #2c5cc5;
  --accent-dark: #234aa0;
  --head: #e8edf6;
  --row-alt: #f7f9fc;
  --hover: #eef3fb;
  --pos: #1a7f37;
  --neg: #c5302c;
  --danger: #c5302c;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Segoe UI", Tahoma, Arial, sans-serif;
  font-size: 14px;
  color: var(--ink);
  background: var(--bg);
}

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

/* ---------- Topbar ---------- */
.topbar {
  display: flex; align-items: center; gap: 24px;
  background: #20304d; color: #fff;
  padding: 0 20px; height: 52px;
}
.brand { font-weight: 700; font-size: 16px; }
.mainnav { display: flex; gap: 4px; flex: 1; }
.mainnav a {
  color: #cdd6e6; padding: 8px 14px; border-radius: 6px; font-weight: 500;
}
.mainnav a:hover { background: #2c4063; text-decoration: none; }
.mainnav a.active { background: var(--accent); color: #fff; }
.userbox { display: flex; align-items: center; gap: 12px; color: #cdd6e6; }
.userbox .logout { color: #fff; }

/* ---------- Layout ---------- */
.content { max-width: 1200px; margin: 0 auto; padding: 22px; }
.page-head {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; margin-bottom: 16px; flex-wrap: wrap;
}
.page-head h1 { font-size: 22px; margin: 0; }
.actions { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-block; padding: 8px 14px; border: 1px solid var(--line-strong);
  background: var(--panel); color: var(--ink); border-radius: 6px; cursor: pointer;
  font-size: 14px; line-height: 1; }
.btn:hover { background: var(--hover); text-decoration: none; }
.btn-primary { background: var(--accent); border-color: var(--accent-dark); color: #fff; }
.btn-primary:hover { background: var(--accent-dark); }

.search {
  padding: 8px 12px; border: 1px solid var(--line-strong); border-radius: 6px;
  min-width: 280px; font-size: 14px;
}

/* ---------- Tables (Excel-like) ---------- */
.grid {
  width: 100%; border-collapse: collapse; background: var(--panel);
  border: 1px solid var(--line-strong); font-size: 14px;
}
.grid th, .grid td {
  border: 1px solid var(--line); padding: 8px 11px; text-align: left;
  vertical-align: middle;
}
.grid thead th {
  background: var(--head); font-weight: 600; position: sticky; top: 0;
  user-select: none;
}
.grid.sortable thead th[data-sort] { cursor: pointer; }
.grid.sortable thead th[data-sort]:hover { background: #dde6f4; }
.grid.sortable thead th .arrow { color: var(--muted); margin-left: 6px; font-size: 11px; }
.grid tbody tr:nth-child(even) { background: var(--row-alt); }
.grid tbody tr:hover { background: var(--hover); }
.grid td.num, .grid th.num { text-align: right; font-variant-numeric: tabular-nums; }
.grid tfoot .total-row td { background: var(--head); font-weight: 700; border-top: 2px solid var(--line-strong); }

.num { text-align: right; font-variant-numeric: tabular-nums; }
.pos { color: var(--pos); }
.neg { color: var(--neg); }
.muted { color: var(--muted); }

.btn-del {
  border: none; background: transparent; color: var(--neg); cursor: pointer;
  font-size: 14px; padding: 2px 6px; border-radius: 4px;
}
.btn-del:hover { background: #f7dcdb; }

/* ---------- Cards / forms ---------- */
.empty {
  background: var(--panel); border: 1px dashed var(--line-strong); border-radius: 8px;
  padding: 28px; text-align: center; color: var(--muted);
}
.empty.big { font-size: 22px; padding: 60px; }

.tabs { display: flex; gap: 4px; border-bottom: 2px solid var(--line-strong); margin-bottom: 18px; }
.tab { padding: 10px 18px; color: var(--muted); font-weight: 600; border-bottom: 2px solid transparent; margin-bottom: -2px; }
.tab:hover { text-decoration: none; color: var(--ink); }
.tab.active { color: var(--accent); border-bottom-color: var(--accent); }
.tab-panel.hidden { display: none; }

.card-grid { display: grid; grid-template-columns: 220px 1fr; gap: 24px; align-items: start; }
.photo-box img { width: 220px; height: 270px; object-fit: cover; border: 1px solid var(--line-strong); border-radius: 6px; }
.photo-placeholder {
  width: 220px; height: 270px; border: 1px dashed var(--line-strong); border-radius: 6px;
  display: flex; align-items: center; justify-content: center; color: var(--muted); background: var(--panel);
}
.kv { width: 100%; border-collapse: collapse; background: var(--panel); border: 1px solid var(--line-strong); }
.kv th, .kv td { border: 1px solid var(--line); padding: 9px 12px; text-align: left; }
.kv th { width: 220px; background: var(--row-alt); font-weight: 600; }

.form { background: var(--panel); border: 1px solid var(--line-strong); border-radius: 8px; padding: 20px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px 20px; }
.form label, .op-form label { display: flex; flex-direction: column; gap: 5px; font-weight: 600; font-size: 13px; }
.form label.wide { grid-column: 1 / -1; }
.form input, .op-form input, .op-form select, .form select {
  padding: 8px 10px; border: 1px solid var(--line-strong); border-radius: 6px;
  font-size: 14px; font-weight: 400;
}
.form-actions { margin-top: 18px; }
.photo-preview { margin-top: 16px; }
.photo-preview img { max-width: 180px; border: 1px solid var(--line-strong); border-radius: 6px; margin-top: 6px; }

/* operation add form */
.op-form { background: var(--panel); border: 1px solid var(--line-strong); border-radius: 8px; padding: 16px; margin-bottom: 16px; }
.op-row { display: flex; flex-wrap: wrap; gap: 12px; align-items: flex-end; }
.op-row label { flex: 1 1 120px; }
.op-row button { flex: 0 0 auto; }

/* totals */
.totals { display: flex; gap: 16px; margin-top: 18px; flex-wrap: wrap; }
.total-item {
  background: var(--panel); border: 1px solid var(--line-strong); border-radius: 8px;
  padding: 12px 18px; min-width: 200px;
}
.total-item span { display: block; color: var(--muted); font-size: 13px; margin-bottom: 4px; }
.total-item b { font-size: 19px; }

/* ---------- Dashboard ---------- */
.kpi-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-bottom: 22px; }
.kpi { background: var(--panel); border: 1px solid var(--line-strong); border-radius: 8px; padding: 20px; text-align: center; }
.kpi-val { font-size: 34px; font-weight: 800; color: var(--ink); }
.kpi-val.danger { color: var(--danger); }
.kpi-label { color: var(--muted); margin-top: 6px; font-size: 13px; }
.charts-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.chart-card { background: var(--panel); border: 1px solid var(--line-strong); border-radius: 8px; padding: 18px; }
.chart-card h2 { font-size: 15px; margin: 0 0 12px; }

/* ---------- Flash / login ---------- */
.flashes { margin-bottom: 16px; display: flex; flex-direction: column; gap: 8px; }
.flash { padding: 10px 14px; border-radius: 6px; border: 1px solid; }
.flash-ok { background: #e6f4ea; border-color: #9fd3ad; color: var(--pos); }
.flash-error { background: #fbe6e5; border-color: #e3a6a3; color: var(--neg); }

.login-wrap { min-height: 80vh; display: flex; align-items: center; justify-content: center; }
.login-card { background: var(--panel); border: 1px solid var(--line-strong); border-radius: 10px; padding: 32px; width: 340px; box-shadow: 0 6px 24px rgba(0,0,0,.07); }
.login-card h1 { font-size: 19px; margin: 0 0 4px; text-align: center; }
.login-sub { text-align: center; color: var(--muted); margin: 0 0 18px; }
.login-card label { display: flex; flex-direction: column; gap: 5px; font-weight: 600; font-size: 13px; margin-bottom: 14px; }
.login-card input { padding: 9px 11px; border: 1px solid var(--line-strong); border-radius: 6px; font-size: 14px; font-weight: 400; }
.login-card .btn { width: 100%; text-align: center; }

.link { font-weight: 500; }

/* ---------- Tier 1: фильтр периода, правка, напоминания, лимиты ---------- */
.period-filter {
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
  background: var(--panel); border: 1px solid var(--line-strong); border-radius: 8px;
  padding: 10px 14px; margin-bottom: 14px;
}
.period-filter > span { font-weight: 600; color: var(--muted); }
.period-filter label { display: inline-flex; align-items: center; gap: 6px; font-size: 13px; }
.period-filter input[type="date"] { padding: 6px 8px; border: 1px solid var(--line-strong); border-radius: 6px; }
.period-note { margin: 0 0 8px; }

.row-actions { white-space: nowrap; text-align: center; }
.row-actions form { display: inline; }
.btn-edit {
  display: inline-block; color: var(--accent); padding: 2px 6px; border-radius: 4px;
  text-decoration: none; font-size: 14px;
}
.btn-edit:hover { background: var(--hover); text-decoration: none; }

.year-select { font-weight: 600; color: var(--muted); display: inline-flex; align-items: center; gap: 6px; }
.year-select select { padding: 6px 10px; border: 1px solid var(--line-strong); border-radius: 6px; font-size: 14px; }

.kpi-row.kpi-4 { grid-template-columns: repeat(4, 1fr); }

.reminders { margin-bottom: 22px; }
.reminders h2 { font-size: 15px; margin: 0 0 10px; }
.reminders .rem-overdue { background: #fbe6e5 !important; }
.reminders .rem-overdue td { color: var(--neg); font-weight: 600; }
.reminders .rem-soon { background: #fff6e5 !important; }

td.over-limit { color: var(--neg); font-weight: 700; }

@media (max-width: 900px) {
  .kpi-row, .kpi-row.kpi-4, .charts-row { grid-template-columns: 1fr; }
}

/* ---------- Tier 2: авто и ТМЦ ---------- */
.block-title { font-size: 15px; margin: 18px 0 10px; }
.plain-list { list-style: none; padding: 0; margin: 0 0 8px; }
.plain-list li { padding: 4px 0; border-bottom: 1px solid var(--line); }