:root {
  --accent: #b3131c;
  --accent-dark: #8a0f17;
  --bg: #f5f6f8;
  --card: #ffffff;
  --border: #dfe2e7;
  --text: #1f2430;
  --muted: #6b7280;
  --ok: #1e8e3e;
  --review: #e0a000;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
}

header {
  background: var(--accent);
  color: #fff;
  padding: 20px 28px;
}
header h1 { margin: 0 0 4px; font-size: 1.4rem; }
.subtitle { margin: 0; opacity: 0.9; font-size: 0.9rem; }

.header-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.view-switch {
  display: flex;
  gap: 6px;
  background: rgba(255,255,255,0.15);
  border-radius: 8px;
  padding: 4px;
}
.view-btn {
  border: none;
  background: transparent;
  color: #fff;
  padding: 8px 16px;
  border-radius: 6px;
  font-size: 0.9rem;
  cursor: pointer;
}
.view-btn.active {
  background: #fff;
  color: var(--accent);
  font-weight: 600;
}
.logout-btn {
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  opacity: 0.85;
}
.logout-btn:hover { opacity: 1; background: rgba(255,255,255,0.12); }

.settings-box {
  margin: 20px 28px 0;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px 20px;
}
.settings-box h2 { margin: 0 0 10px; font-size: 0.95rem; }
.settings-row {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}
.settings-row label {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 0.8rem;
  color: var(--muted);
}
.settings-row input {
  padding: 7px 9px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 0.9rem;
  color: var(--text);
}

.upload-box {
  margin: 20px 28px;
}
.dropzone {
  border: 2px dashed var(--border);
  border-radius: 10px;
  background: var(--card);
  padding: 28px;
  text-align: center;
  cursor: pointer;
  transition: border-color .15s, background .15s;
}
.dropzone.drag-over {
  border-color: var(--accent);
  background: #fdf1f1;
}
.dropzone strong { display: block; font-size: 1rem; margin-bottom: 4px; }
.dropzone span { color: var(--muted); font-size: 0.85rem; }
.dropzone-buttons { margin-top: 12px; display: flex; gap: 8px; justify-content: center; }
.dropzone-buttons button { pointer-events: auto; }
#upload-status { margin-top: 10px; font-size: 0.85rem; color: var(--muted); white-space: pre-line; max-height: 160px; overflow-y: auto; }

.progress-wrap {
  margin-top: 12px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.progress-bar {
  flex: 1;
  height: 10px;
  background: var(--border);
  border-radius: 6px;
  overflow: hidden;
}
.progress-fill {
  height: 100%;
  width: 0%;
  background: var(--accent);
  transition: width 0.15s ease-out;
}
#progress-label {
  font-size: 0.8rem;
  color: var(--muted);
  min-width: 90px;
  text-align: right;
}

.tabs {
  display: flex;
  gap: 4px;
  overflow-x: auto;
  margin: 0 28px;
  border-bottom: 2px solid var(--border);
}
.tab-btn {
  padding: 10px 14px;
  border: none;
  background: transparent;
  cursor: pointer;
  font-size: 0.85rem;
  color: var(--muted);
  border-bottom: 2px solid transparent;
  white-space: nowrap;
}
.tab-btn.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
  font-weight: 600;
}
.tab-btn .count {
  display: inline-block;
  margin-left: 6px;
  background: var(--border);
  color: var(--text);
  border-radius: 10px;
  padding: 0 7px;
  font-size: 0.75rem;
}

main { margin: 20px 28px 100px; }

.sheet-panel { display: none; }
.sheet-panel.active { display: block; }

.panel-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
}
.panel-toolbar h2 { font-size: 1rem; margin: 0; }
.panel-toolbar button {
  font-size: 0.8rem;
}

.table-wrap {
  overflow-x: auto;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
}

table.sheet-table {
  border-collapse: collapse;
  width: 100%;
  font-size: 0.82rem;
}
table.sheet-table th, table.sheet-table td {
  border: 1px solid var(--border);
  padding: 4px 6px;
  text-align: left;
  white-space: nowrap;
}
table.sheet-table th {
  background: #f0f1f4;
  position: sticky;
  top: 0;
  font-weight: 600;
}
table.sheet-table td[contenteditable="true"] {
  min-width: 120px;
  max-width: 320px;
  white-space: normal;
  outline: none;
}
table.sheet-table td[contenteditable="true"]:focus {
  background: #fff8e1;
}
.numeric-col { text-align: right; }

.badge {
  display: inline-block;
  padding: 1px 7px;
  border-radius: 10px;
  font-size: 0.7rem;
  font-weight: 600;
  color: #fff;
}
.badge.ok { background: var(--ok); }
.badge.review { background: var(--review); }
.badge.manual { background: #6b7280; }

.row-actions button {
  font-size: 0.75rem;
  padding: 2px 8px;
}

.empty-hint {
  padding: 30px;
  text-align: center;
  color: var(--muted);
  font-size: 0.9rem;
}

footer {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--card);
  border-top: 1px solid var(--border);
  padding: 12px 28px;
  display: flex;
  align-items: center;
  gap: 12px;
}
footer #filename-input {
  flex: 1;
  max-width: 320px;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
}

button {
  cursor: pointer;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: #fff;
  padding: 8px 14px;
  font-size: 0.85rem;
}
button.primary {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
  font-weight: 600;
}
button.primary:hover { background: var(--accent-dark); }
button.secondary { color: var(--muted); }
button.small { padding: 3px 8px; font-size: 0.75rem; }

#generate-status { font-size: 0.85rem; color: var(--muted); }

/* ---------- dashboard ---------- */

#dash-view { padding-bottom: 40px; }

.dash-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  margin: 20px 28px 0;
}
.dash-toolbar h2 { margin: 0; font-size: 1.15rem; }
.dash-controls {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.85rem;
  color: var(--muted);
}
.dash-controls select {
  margin-left: 6px;
  padding: 7px 9px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 0.9rem;
}

.kpi-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: 14px;
  margin: 18px 28px;
}
.kpi-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px 18px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.kpi-card.kpi-accent {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}
.kpi-label { font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.04em; opacity: 0.8; }
.kpi-value { font-size: 1.7rem; font-weight: 700; }

.chart-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 14px;
  margin: 0 28px;
}
.chart-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px 18px;
  min-height: 300px;
}
.chart-card h3 { margin: 0 0 12px; font-size: 0.92rem; }
.chart-card canvas { max-height: 260px; }
.chart-wide { grid-column: span 2; }
@media (max-width: 760px) {
  .chart-wide { grid-column: span 1; }
}