:root {
  --ink: #1a1a2e;
  --sub: #59616c;
  --line: #d9dee5;
  --accent: #0f4c81;
  --green: #2e7d32;
  --amber: #9a5b00;
  --paper: #fff;
  --page: #f4f6f9;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--page);
  color: var(--ink);
  font: 14px system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
}

.site-header {
  min-height: 56px;
  background: var(--paper);
  border-bottom: 1px solid var(--line);
  padding: 6px max(24px, calc((100% - 1280px) / 2));
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand { display: block; flex: 0 0 auto; height: 44px; width: 215px; overflow: hidden; }
.brand-logo { display: block; height: 44px; width: 215px; object-fit: cover; object-position: center; }
.site-header nav { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 12px 20px; }
.site-header nav a { color: var(--sub); text-decoration: none; white-space: nowrap; }
.site-header nav a:hover { color: var(--accent); }

.container { max-width: 1280px; margin: 0 auto; padding: 24px; }
.page-title h1 { margin: 0; font-size: 22px; }
.page-title p, .hint, footer { color: var(--sub); font-size: 13px; line-height: 1.5; }
.page-title p { margin: 4px 0 20px; }
.page-title .source-status { margin-top: -14px; }

.kpis { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 12px; margin-bottom: 12px; }
.kpi, .card, .form-card, .empty, .login { background: var(--paper); border: 1px solid var(--line); border-radius: 8px; }
.kpi { min-width: 0; padding: 14px 16px; }
.kpi > div { color: var(--sub); font-size: 12px; text-transform: uppercase; letter-spacing: .04em; }
.kpi strong { display: block; margin-top: 6px; font-size: 25px; }
.kpi small { font-size: 14px; font-weight: 400; }
.kpi p { margin: 4px 0 0; color: var(--sub); font-size: 12px; line-height: 1.4; }
.good { color: var(--green); }
.warn { color: var(--amber); }

.grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.card { min-width: 0; padding: 16px; }
.card.wide { grid-column: 1 / -1; }
.card h2, .form-card h2, .empty h2 { margin: 0 0 3px; font-size: 15px; }
.hint { margin: 0 0 10px; }
.chart { position: relative; height: 300px; min-width: 0; }
.chart.large { height: 320px; }
.empty-chart { margin: 24px 0; color: var(--sub); }

.labor-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(165px, 1fr)); gap: 16px; margin-top: 16px; }
.labor-grid span { display: block; color: var(--sub); font-size: 12px; }
.labor-grid strong { display: block; margin-top: 4px; font-size: 24px; }
.labor-grid p { margin: 4px 0 0; color: var(--sub); font-size: 12px; line-height: 1.4; }

footer { margin: 16px 0; }
.form-card { overflow: hidden; padding: 20px; margin-bottom: 14px; }
.dropzone { display: flex; align-items: center; gap: 12px; border: 1px dashed #aab5c2; border-radius: 8px; padding: 18px; margin: 12px 0; }
.dropzone input { position: absolute; width: 1px; height: 1px; overflow: hidden; }
.dropzone span { color: var(--accent); font-weight: 600; }
.dropzone em { color: var(--sub); font-style: normal; overflow-wrap: anywhere; }
.drop-overlay { display: none; position: fixed; inset: 12px; z-index: 10; place-items: center; border: 2px dashed var(--accent); border-radius: 8px; background: rgba(244, 246, 249, .94); color: var(--ink); font-size: 18px; font-weight: 600; pointer-events: none; }
.drop-overlay.active { display: grid; }

.button { appearance: none; border: 1px solid #0b416e; border-radius: 7px; background: var(--accent); color: #fff; padding: 9px 14px; font: inherit; cursor: pointer; text-decoration: none; display: inline-block; }
.button:hover { background: #0b416e; }
.delete-button { border-color: #982b21; background: #982b21; }
.delete-button:hover { background: #7c2119; }
.snapshot-form { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)) auto; gap: 12px; align-items: end; }
.snapshot-form label, .login label { display: grid; gap: 5px; color: var(--sub); font-size: 13px; }
.snapshot-form label span { font-weight: 400; }
input { width: 100%; height: 37px; border: 1px solid #adb8c5; border-radius: 6px; padding: 7px; font: inherit; color: var(--ink); background: #fff; }
input:focus { outline: 2px solid #9dbcd9; outline-offset: 1px; }

table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { padding: 9px 8px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: middle; }
th { color: var(--sub); font-weight: 600; }
td input { min-width: 90px; }
.notice { padding: 11px 13px; margin-bottom: 14px; border-radius: 6px; }
.notice.success { background: #edf7ed; color: #1f6224; border: 1px solid #b9dbbb; }
.notice.error { background: #fff1ef; color: #982b21; border: 1px solid #e8bbb5; }
.empty, .login { padding: 24px; }
.empty p { color: var(--sub); }
.login { max-width: 360px; margin: 60px auto; }
.login form { display: grid; gap: 14px; }

@media (max-width: 900px) {
  .container { padding: 20px; }
  .grid { grid-template-columns: 1fr; }
  .card.wide { grid-column: auto; }
  .snapshot-form { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .snapshot-form .button { width: max-content; }
}

@media (max-width: 650px) {
  .site-header { align-items: flex-start; flex-direction: column; gap: 6px; padding: 8px 16px; }
  .site-header nav { width: 100%; justify-content: flex-start; gap: 8px 16px; }
  .brand, .brand-logo { height: 38px; width: 185px; }
  .container { padding: 16px; }
  .kpis, .labor-grid, .snapshot-form { grid-template-columns: 1fr; }
  .snapshot-form .button { width: 100%; }
  .form-card { padding: 16px; }
  .chart, .chart.large { height: 260px; }
  .form-card table { display: block; overflow-x: auto; white-space: nowrap; }
}