:root {
  --bg: #ffffff;
  --card: #ffffff;
  --ink: #1f2328;
  --muted: #64748b;
  --accent: #2b7a78;
  --accent-strong: #1b4f4b;
  --warning: #b45309;
  --danger: #b91c1c;
  --success: #15803d;
  --shadow: 0 10px 24px rgba(15, 23, 42, 0.08);
  --radius: 14px;
  --border: #e5e7eb;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: Tahoma, Geneva, sans-serif;
  color: var(--ink);
  background: var(--bg);
  min-height: 100vh;
}
body.auth-page {
  background: #f6f8fb;
}

h1, h2, h3 {
  font-family: "Trebuchet MS", "Segoe UI", Arial, sans-serif;
  font-weight: 800;
  margin: 0 0 12px;
}

a { text-decoration: none; color: inherit; }

.layout { display: flex; min-height: 100vh; }
.content { flex: 1; min-width: 0; }
.sidenav {
  width: 220px;
  padding: 28px 18px 22px;
  background: #1f4f3a;
  box-shadow: none;
  position: sticky;
  top: 0;
  height: 100vh;
  border-right: 1px solid #1a4331;
}

.brand {
  display: flex;
  gap: 12px;
  align-items: center;
}
.sidenav .brand {
  justify-content: flex-start;
  width: 100%;
}
.sidenav .brand .app-title {
  text-align: left;
}

.logo {
  width: 36px;
  height: 36px;
  border-radius: 12px;
  background: linear-gradient(140deg, var(--accent), #7ac7b4);
  display: inline-block;
}

.app-title { font-weight: bold; }
.brand-title { font-size: 28px; letter-spacing: 0.2px; color: #ffffff; }

.nav { display: flex; flex-direction: column; gap: 18px; margin-top: 24px; }
.nav-link {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border-radius: 10px;
  background: #285e45;
  border: none;
  box-shadow: none;
  color: #ffffff;
  font-size: 15px;
}

.page { padding: 28px; max-width: 1100px; margin: 0 auto; width: 100%; overflow-x: hidden; }
.page-auth {
  max-width: 520px;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}
.auth-page .auth-card { margin: 0; width: 100%; }
.auth-page .footer { display: none; }
.layout.no-nav { min-height: 100vh; }
.page-tasks { overflow: hidden; height: 100vh; }
.page-tasks .content { height: 100vh; overflow: hidden; }
.page-tasks .page { height: 100%; box-sizing: border-box; padding-top: 36px; }
.page-tasks .footer { display: none; }
.auth-title { text-align: center; display: block; }
.auth-page .brand-title {
  color: #1f2328;
  font-size: 32px;
}
.auth-card {
  max-width: 420px;
  margin: 60px auto;
  padding: 32px;
  background: var(--card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
}
.auth-card .muted { margin-bottom: 12px; }
.page-tasks .content { height: 100vh; overflow: hidden; }
.page-tasks .page { height: 100%; display: flex; flex-direction: column; }
.page-tasks .task-table-wrap { flex: 1; overflow: auto; }
.page-header { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 20px; }

.filters { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 20px; align-items: center; }
.filters input, .filters select { padding: 10px 12px; border-radius: 10px; border: 1px solid var(--border); }

.page-dashboard .page {
  max-width: 1200px;
}
.dashboard-hero {
  border: 1px solid #d6e4de;
  background: linear-gradient(135deg, #f8fcfb 0%, #eff7f4 100%);
  box-shadow: none;
}
.dashboard-hero-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.dashboard-hero-top h1 {
  margin: 0;
}
.dashboard-filters {
  margin: 0;
  padding: 0;
  border-top: none;
}
.dashboard-filters label {
  font-weight: 600;
  color: #385f57;
}
.dashboard-filters .btn {
  min-width: 100px;
}

.report-status-strip {
  width: 100%;
  margin-bottom: 16px;
  padding: 14px 16px;
}
.report-status-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}
.report-status-head h2 {
  margin: 0;
  font-size: 16px;
}
.report-status-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(110px, 1fr));
  gap: 8px;
}
.report-status-item {
  border: 1px solid var(--border);
  border-radius: 10px;
  background: #fbfcfe;
  padding: 10px;
  display: grid;
  gap: 4px;
}
.report-status-label {
  color: var(--muted);
  font-size: 12px;
}
.report-status-value {
  font-size: 20px;
  font-weight: 700;
  line-height: 1.1;
}
.report-status-item.report-total {
  background: #eef2ff;
  border-color: #c7d2fe;
}
.report-status-item.report-open {
  background: #e7f1ff;
  border-color: #bfdbfe;
}
.report-status-item.report-in-progress {
  background: #fff4cc;
  border-color: #fde68a;
}
.report-status-item.report-on-hold {
  background: #f3f4f6;
  border-color: #d1d5db;
}
.report-status-item.report-completed {
  background: #dcfce7;
  border-color: #86efac;
}
.report-status-item.report-cancelled {
  background: #fee2e2;
  border-color: #fecaca;
}

.btn {
  padding: 10px 16px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: #fff;
  cursor: pointer;
  font-weight: 600;
}

.btn.primary { background: var(--accent); color: #fff; border-color: var(--accent); }
.btn.success { background: var(--success); color: #fff; border-color: var(--success); }
.btn.warn { background: var(--warning); color: #fff; border-color: var(--warning); }

.form { display: grid; gap: 10px; }
.form input, .form textarea, .form select {
  padding: 12px; border-radius: 12px; border: 1px solid var(--border); font-family: inherit; font-size: 14px; background: #fff;
}

.card { background: var(--card); border-radius: var(--radius); padding: 20px; border: 1px solid var(--border); box-shadow: none; max-width: 100%; }

.task-table-wrap {
  margin-top: 12px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 10px 12px;
  box-shadow: none;
}
.task-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0 10px;
}
.task-table th {
  text-align: left;
  font-size: 11px;
  color: var(--muted);
  font-weight: 600;
  padding: 0 12px 6px;
}
.task-table td {
  background: var(--card);
  border: 1px solid var(--border);
  padding: 10px;
  vertical-align: top;
}
.task-table tr td:first-child { border-radius: 12px 0 0 12px; }
.task-table tr td:last-child { border-radius: 0 12px 12px 0; }
.task-table tr.overdue td:first-child { border-left: 4px solid var(--danger); }
.actions-cell { text-align: right; width: 1%; white-space: nowrap; }
.actions-cell form { display: inline-block; margin-left: 6px; }
.task-info { flex: 1; min-width: 0; }
.task-title { font-weight: 700; font-size: 14px; margin-bottom: 4px; }
.task-meta { display: flex; flex-wrap: wrap; gap: 8px; color: var(--muted); font-size: 11px; }
.task-remarks { margin-top: 4px; color: var(--muted); font-size: 11px; }
.task-sub { margin-top: 4px; font-size: 11px; }
.task-actions { display: flex; align-items: flex-start; }
.due-soon { color: var(--danger); font-weight: 700; }
.due-week { color: var(--warning); font-weight: 700; }

.pill { padding: 3px 8px; border-radius: 999px; font-size: 11px; font-weight: 600; background: #ece7df; }
.pill.low { background: #dceee9; color: var(--accent-strong); }
.pill.high { background: #f8e1e1; color: var(--danger); }
.pill.status-open { background: #e7f1ff; color: #1d4ed8; }
.pill.status-in_progress { background: #fff3cd; color: #92400e; }
.pill.status-on_hold { background: #e5e7eb; color: #374151; }
.pill.status-completed { background: #dcfce7; color: #166534; }
.pill.status-cancelled { background: #fee2e2; color: #991b1b; }

.inline { display: inline-block; }
.stacked { display: grid; gap: 8px; }
.stacked textarea { width: 100%; min-height: 70px; }

.menu { position: relative; }
.menu > summary { list-style: none; }
.menu > summary::-webkit-details-marker,
.menu-cancel > summary::-webkit-details-marker {
  display: none;
}
.kebab {
  border: 1px solid #d6d2cc;
  background: #fff;
  border-radius: 10px;
  padding: 6px 10px;
  cursor: pointer;
  font-size: 18px;
  line-height: 1;
}
.menu-panel {
  position: absolute;
  right: 0;
  top: calc(100% + 6px);
  min-width: 160px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 10px;
  box-shadow: var(--shadow);
  padding: 8px;
  display: grid;
  gap: 6px;
  z-index: 5;
}
.menu-link,
.menu-button {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  text-align: left;
  padding: 8px 10px;
  border-radius: 8px;
  border: 1px solid transparent;
  background: #f8fafc;
  color: var(--ink);
  font-weight: 600;
  font-size: 13px;
  cursor: pointer;
}
.icon {
  width: 18px;
  height: 18px;
  stroke: currentColor;
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  flex-shrink: 0;
}
.nav-link:hover { background: #2f6b4f; }
.menu-button:hover,
.menu-link:hover {
  background: #eef2f7;
}
.menu-cancel summary { list-style: none; }
.menu-cancel form { margin-top: 6px; }

.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; margin: 20px 0; }
.stat-card { background: var(--card); border-radius: var(--radius); padding: 20px; box-shadow: var(--shadow); }
.stat-value { font-size: 28px; font-weight: 700; }
.stat-label { color: var(--muted); }
.page-dashboard .stats-grid {
  margin-top: 18px;
}
.page-dashboard .stat-card {
  border: 1px solid var(--border);
  box-shadow: none;
  position: relative;
  overflow: hidden;
}
.page-dashboard .stat-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 4px;
}
.page-dashboard .stat-card.stat-completed { background: #f4fbf7; }
.page-dashboard .stat-card.stat-completed::before { background: #22a06b; }
.page-dashboard .stat-card.stat-pending { background: #fff9ef; }
.page-dashboard .stat-card.stat-pending::before { background: #c78b13; }
.page-dashboard .stat-card.stat-ontime { background: #eef6ff; }
.page-dashboard .stat-card.stat-ontime::before { background: #3b82f6; }
.page-dashboard .stat-card.stat-avg { background: #f5f3ff; }
.page-dashboard .stat-card.stat-avg::before { background: #6366f1; }

.chart-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 16px; margin: 20px 0; }
.chart-card h2 { margin-bottom: 12px; }
.chart-split {
  display: flex;
  gap: 18px;
  align-items: center;
  flex-wrap: wrap;
}
.trend-bars {
  display: flex;
  gap: 4px;
  align-items: flex-end;
  height: 100%;
  padding: 0 2px;
  position: relative;
  z-index: 2;
}
.trend-bar {
  flex: 1;
  min-width: 2px;
  height: 100%;
  position: relative;
  display: flex;
  align-items: flex-end;
}
.trend-fill {
  display: block;
  width: 100%;
  height: var(--bar-height, 0%);
  background: var(--accent);
  border-radius: 6px 6px 0 0;
}
.trend-count {
  position: absolute;
  left: 50%;
  bottom: calc(var(--bar-height, 0%) + 3px);
  transform: translateX(-50%);
  font-size: 11px;
  font-weight: 700;
  color: #2f4a64;
  line-height: 1;
  white-space: nowrap;
}
.trend-point-date {
  position: absolute;
  left: 50%;
  bottom: calc(var(--bar-height, 0%) + 18px);
  transform: translateX(-50%);
  font-size: 10px;
  font-weight: 600;
  color: #64748b;
  white-space: nowrap;
}
.trend-chart {
  border: 1px solid #e7edf4;
  border-radius: 14px;
  background: #fbfdff;
  padding: 12px 12px 38px;
}
.trend-chart-frame {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 10px;
}
.trend-y-axis {
  height: 220px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  text-align: right;
  font-size: 11px;
  color: #64748b;
  line-height: 1;
  padding-top: 1px;
  padding-bottom: 1px;
}
.trend-plot {
  position: relative;
  height: 220px;
}
.trend-grid {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  z-index: 1;
}
.trend-grid span {
  border-top: 1px solid #dfe7f0;
}
.trend-grid span:first-child {
  border-top: none;
}
.trend-x-axis {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -30px;
  height: 24px;
}
.trend-x-tick {
  position: absolute;
  transform: translateX(-50%);
  font-size: 11px;
  color: #64748b;
  white-space: nowrap;
}
.trend-x-tick::before {
  content: "";
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  top: -9px;
  width: 1px;
  height: 7px;
  background: #c8d5e5;
}
.trend-x-tick.edge-start {
  transform: none;
}
.trend-x-tick.edge-start::before {
  left: 0;
  transform: none;
}
.trend-x-tick.edge-end {
  transform: translateX(-100%);
}
.trend-x-tick.edge-end::before {
  left: 100%;
  transform: translateX(-100%);
}
.trend-labels {
  display: flex;
  justify-content: space-between;
  margin-top: 8px;
  color: var(--muted);
  font-size: 12px;
}
.page-dashboard .chart-card {
  border: 1px solid var(--border);
  box-shadow: none;
  background: #ffffff;
}
.page-dashboard .trend-bars {
  padding: 0 2px;
}
.page-dashboard .trend-bar {
  min-width: 8px;
}
.page-dashboard .trend-fill {
  background: linear-gradient(180deg, #58b5a8 0%, #2b7a78 100%);
}

.user-chart { display: grid; gap: 14px; }
.user-row { display: grid; gap: 8px; }
.user-name { font-weight: 600; }
.user-bar {
  width: 100%;
  height: 10px;
  background: #edf1f7;
  border-radius: 999px;
  overflow: hidden;
}
.user-bar-fill { height: 100%; background: var(--accent); }
.user-meta {
  display: flex;
  gap: 12px;
  color: var(--muted);
  font-size: 12px;
  flex-wrap: wrap;
}

.table { width: 100%; border-collapse: collapse; table-layout: fixed; }
.table th, .table td {
  padding: 10px;
  border-bottom: 1px solid #eee;
  text-align: left;
  word-break: break-word;
}
.table td:last-child { text-align: right; }

.grid-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 18px; }

.flash { padding: 12px 16px; border-radius: 12px; margin-bottom: 16px; }
.flash-success { background: #dcfce7; color: #166534; }
.flash-error { background: #fee2e2; color: #991b1b; }

.empty { padding: 20px; text-align: center; color: var(--muted); }

.muted { color: var(--muted); }
.footer { text-align: center; padding: 10px; color: var(--muted); }

.dialog-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.35);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
}
.dialog-backdrop[hidden] { display: none; }
.dialog {
  background: #ffffff;
  border-radius: 14px;
  border: 1px solid var(--border);
  padding: 20px;
  width: min(420px, 92vw);
  box-shadow: var(--shadow);
}
.task-dialog {
  width: min(860px, 96vw);
  padding: 14px 16px 18px;
  display: flex;
  flex-direction: column;
}
.dialog-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 4px 6px 12px;
}
.dialog-close {
  border: 1px solid var(--border);
  background: #fff;
  border-radius: 10px;
  width: 32px;
  height: 32px;
  font-size: 20px;
  line-height: 1;
  cursor: pointer;
}
.task-dialog .form {
  gap: 12px;
}
.task-dialog .dialog-body {
  display: grid;
  gap: 12px;
}
.task-dialog .dialog-actions {
  margin-top: 8px;
}
.dialog-title {
  font-weight: 700;
  font-size: 16px;
  margin-bottom: 8px;
}
.dialog-message {
  color: var(--muted);
  margin-bottom: 16px;
}
.dialog-actions {
  display: flex;
  gap: 10px;
  justify-content: flex-end;
}

@media (max-width: 800px) {
  .report-status-grid { grid-template-columns: repeat(2, minmax(120px, 1fr)); }
  .dashboard-filters {
    width: 100%;
    margin-top: 6px;
  }
  .trend-chart {
    padding: 10px 10px 34px;
  }
  .trend-chart-frame {
    grid-template-columns: 34px 1fr;
    gap: 6px;
  }
  .trend-y-axis,
  .trend-x-tick {
    font-size: 10px;
  }
  .trend-point-date {
    display: none;
  }
  .task-table { border-spacing: 0 8px; }
  .task-table th { display: none; }
  .task-table td { display: block; border-radius: 12px; }
  .task-table tr td + td { margin-top: 6px; }
  .actions-cell { text-align: left; }
  .layout { flex-direction: column; }
  .sidenav { width: 100%; height: auto; position: static; }
  .nav { flex-direction: row; flex-wrap: wrap; }
}