:root {
  --bg: #f5f7fb;
  --panel: #ffffff;
  --panel-muted: #f8fafc;
  --border: #e2e8f0;
  --text: #0f172a;
  --muted: #64748b;
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --accent: #0ea5e9;
  --success: #22c55e;
  --danger: #ef4444;
  --shadow: 0 12px 30px rgba(15, 23, 42, 0.08);
  --radius: 16px;
  --sidebar: #f8fafc;
}

* { box-sizing: border-box; }

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

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

img { max-width: 100%; display: block; }

.app-layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  min-height: 100vh;
}

.sidebar {
  background: var(--sidebar);
  border-right: 1px solid var(--border);
  padding: 24px 20px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.sidebar-section {
  display: grid;
  gap: 10px;
}

.sidebar-list {
  display: grid;
  gap: 10px;
}

.sidebar-item {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 10px 12px;
  font-size: 12px;
  color: var(--muted);
  display: grid;
  gap: 4px;
}

.sidebar-item strong {
  color: var(--text);
  font-size: 13px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  font-size: 18px;
}

.brand-badge {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: var(--primary);
  color: #fff;
  display: grid;
  place-items: center;
  font-weight: 700;
}

.nav {
  display: grid;
  gap: 8px;
}

.nav a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: 12px;
  color: var(--muted);
  font-weight: 600;
}

.nav a.active,
.nav a:hover {
  background: #e8f0ff;
  color: var(--primary);
}

.sidebar-footer {
  margin-top: auto;
  padding-top: 16px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 13px;
}

.main {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.topbar {
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  padding: 20px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.topbar h1 {
  margin: 0;
  font-size: 20px;
}

.topbar .icon-btn {
  border: 1px solid var(--border);
  background: var(--panel);
  width: auto;
  height: auto;
  border-radius: 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 14px;
  font-weight: 600;
  line-height: 1;
  padding: 10px 14px;
}

.content {
  padding: 28px;
  display: grid;
  gap: 24px;
}

.card {
  background: var(--panel);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
  border: 1px solid transparent;
}

.card h2 {
  margin: 0 0 4px 0;
  font-size: 22px;
}

.card p {
  margin: 0 0 18px 0;
  color: var(--muted);
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
}

label {
  display: block;
  font-weight: 600;
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

input, select, textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: 12px;
  font-size: 14px;
  background: #fff;
  color: var(--text);
}

input:focus, select:focus, textarea:focus {
  outline: 2px solid rgba(37, 99, 235, 0.18);
  border-color: var(--primary);
}

.inline-check {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: #fff;
  min-height: 44px;
}

.inline-check input {
  width: 18px;
  height: 18px;
}

.checkbox-label {
  margin: 0;
  text-transform: none;
  letter-spacing: 0;
  font-size: 14px;
  color: var(--text);
}

.section-title {
  font-size: 12px;
  font-weight: 700;
  color: var(--muted);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin: 20px 0 10px 0;
}

.text-muted-sm {
  color: var(--muted);
  font-size: 12px;
}

.item-row {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr auto;
  gap: 14px;
  align-items: start;
}

.item-list {
  display: grid;
  gap: 12px;
}

.item-row .meta {
  font-size: 12px;
  color: var(--muted);
  margin-top: 6px;
  min-height: 16px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 20px;
  border: none;
  border-radius: 12px;
  padding: 12px 18px;
  font-weight: 600;
  cursor: pointer;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 8px 20px rgba(37, 99, 235, 0.2);
}

.btn-primary:hover { background: var(--primary-dark); }

.btn-secondary {
  background: #e8f0ff;
  color: var(--primary);
}

.btn-ghost {
  background: transparent;
  border: 1px dashed var(--border);
  color: var(--muted);
}

.btn-block {
  width: 100%;
}

.btn-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 18px;
}

.table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.table th,
.table td {
  text-align: left;
  padding: 12px 10px;
  border-bottom: 1px solid var(--border);
}

.table th {
  color: var(--muted);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.chip {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  background: #dcfce7;
  color: #15803d;
}

.notice {
  padding: 10px 12px;
  border-radius: 12px;
  margin-bottom: 12px;
}

.notice.error { background: #fee2e2; color: #b91c1c; }
.notice.success { background: #dcfce7; color: #15803d; }

.field-with-action {
  position: relative;
}

.field-action {
  position: absolute;
  right: 6px;
  top: 6px;
  padding: 6px 10px;
}

.summary-text {
  font-weight: 600;
}

.mt-10 {
  margin-top: 10px;
}

.mt-16 {
  margin-top: 16px;
}

.modal {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.45);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
  z-index: 1000;
}

.modal.is-open { display: flex; }

.modal-card {
  background: #fff;
  border-radius: var(--radius);
  padding: 24px;
  width: 100%;
  max-width: 640px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.modal-header h2 {
  margin: 0;
  font-size: 20px;
}

.icon-close {
  border: 1px solid var(--border);
  background: #fff;
  width: 36px;
  height: 36px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  cursor: pointer;
}

.auth {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
  background: radial-gradient(circle at top, #f8fafc, #e2e8f0);
}

.auth-card {
  width: 100%;
  max-width: 420px;
  background: #fff;
  border-radius: 20px;
  padding: 28px;
  box-shadow: var(--shadow);
}

.auth-card h1 { margin: 0 0 6px 0; font-size: 24px; }
.auth-card p { margin: 0 0 18px 0; color: var(--muted); }

.auth-links { display: grid; gap: 8px; margin-top: 16px; text-align: center; }

.report-hero {
  border: 1px solid var(--border);
}

.report-hero-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.report-controls {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}

.segmented {
  display: inline-flex;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: #fff;
  overflow: hidden;
  padding: 2px;
  gap: 4px;
}

.segmented-btn {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 8px 20px rgba(37, 99, 235, 0.2);
}

.segmented-btn + .segmented-btn {
  margin-left: 2px;
}

.segmented-btn.is-active {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 6px 14px rgba(37, 99, 235, 0.2);
}

.date-field {
  display: grid;
  gap: 6px;
}

.report-stats {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 16px;
}

.stat-card {
  display: grid;
  gap: 8px;
  border-radius: 20px;
  border: 1px solid var(--border);
  box-shadow: 0 10px 24px rgba(15, 23, 42, 0.06);
}

.stat-label {
  font-size: 12px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 700;
}

.stat-value {
  font-size: 28px;
  font-weight: 700;
}

.report-stats .stat-card:nth-child(1) {
  grid-column: span 7;
}

.report-stats .stat-card:nth-child(2) {
  grid-column: span 5;
}

.report-stats .stat-card:nth-child(3) {
  grid-column: span 12;
}

@media (max-width: 900px) {
  .report-stats {
    grid-template-columns: 1fr;
  }
  .report-stats .stat-card:nth-child(1),
  .report-stats .stat-card:nth-child(2),
  .report-stats .stat-card:nth-child(3) {
    grid-column: span 1;
  }
}

.report-table-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

@media (max-width: 900px) {
  .app-layout { grid-template-columns: 1fr; }
  .sidebar { position: sticky; top: 0; z-index: 10; flex-direction: row; align-items: center; justify-content: space-between; }
  .nav { grid-auto-flow: column; overflow-x: auto; }
  .topbar { padding: 16px; }
  .content { padding: 16px; }
  .item-row { grid-template-columns: 1fr; }
}