:root {
  --navy: #0b3d91;
  --navy-dark: #072c6b;
  --navy-soft: #e8eef8;
  --blue-mid: #3d5aa3;
  --text: #1f2937;
  --muted: #6b7280;
  --line: #e5e7eb;
  --bg: #f5f7fb;
  --white: #ffffff;
  --danger: #b42318;
  --danger-bg: #fef3f2;
  --success: #067647;
  --success-bg: #ecfdf3;
  --radius: 12px;
  --sidebar: 272px;
  --shadow: 0 10px 30px rgba(11, 61, 145, 0.08);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  min-height: 100%;
  font-family: Inter, "Segoe UI", Helvetica, Arial, sans-serif;
  color: var(--text);
  background: var(--white);
}

a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }

.app {
  display: flex;
  min-height: 100vh;
}

.sidebar {
  width: var(--sidebar);
  flex-shrink: 0;
  border-right: 1px solid var(--line);
  background: var(--white);
  display: flex;
  flex-direction: column;
  padding: 20px 16px;
}

.brand {
  padding: 4px 8px 20px;
}

.brand img {
  display: block;
  width: 100%;
  max-width: 214px;
  height: auto;
}

.brand-name {
  margin: 12px 0 0;
  font-size: 12px;
  line-height: 1.4;
  font-weight: 600;
  color: var(--navy);
}

.nav {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 8px;
  color: #374151;
  font-size: 14px;
  font-weight: 500;
  border: 0;
  background: transparent;
  width: 100%;
  text-align: left;
  cursor: pointer;
}

.nav-link:hover { background: #f3f4f6; }
.nav-link.active {
  background: var(--navy);
  color: var(--white);
}

.nav-link svg { flex-shrink: 0; }

.sidebar-footer {
  margin-top: auto;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

.user {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 4px 4px 12px;
}

.avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--navy);
  color: var(--white);
  display: grid;
  place-items: center;
  font-weight: 700;
  font-size: 14px;
}

.user-name { margin: 0; font-size: 14px; font-weight: 700; }
.user-email { margin: 2px 0 0; font-size: 12px; color: var(--muted); }

.sign-out {
  width: 100%;
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  color: var(--text);
  cursor: default;
}

.main {
  flex: 1;
  background: var(--bg);
  min-width: 0;
}

.page {
  padding: 32px 40px 48px;
  max-width: 1180px;
}

.page-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 24px;
}

.page-header h1 {
  margin: 0;
  font-size: 30px;
  line-height: 1.15;
  color: var(--navy);
}

.page-header p {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
  margin-bottom: 20px;
}

.card, .stat-card, .table-card, .modal-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.stat-card { padding: 18px 20px; }
.stat-label {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}
.stat-value {
  margin: 8px 0 0;
  color: var(--navy);
  font-size: 28px;
  font-weight: 750;
}

.table-card { overflow: hidden; }

table {
  width: 100%;
  border-collapse: collapse;
}

th, td {
  padding: 14px 18px;
  text-align: left;
  font-size: 14px;
  border-bottom: 1px solid var(--line);
}

th {
  color: var(--muted);
  font-weight: 600;
  background: #fafbfe;
}

tr:last-child td { border-bottom: 0; }
tbody tr:hover { background: #f8faff; }

.empty {
  padding: 36px 20px;
  text-align: center;
  color: var(--muted);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: 8px;
  padding: 10px 14px;
  border: 1px solid transparent;
  cursor: pointer;
  font-weight: 600;
  font-size: 14px;
}

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

.btn-ghost {
  background: var(--white);
  border-color: var(--line);
  color: var(--text);
}

.btn-small { padding: 7px 10px; font-size: 13px; }

.modal-root {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.32);
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 72px 20px;
  z-index: 20;
}
.modal-root:empty { display: none; }

.modal-card {
  width: min(640px, 100%);
  box-shadow: var(--shadow);
  padding: 24px;
}

.modal-card h2 {
  margin: 0 0 4px;
  color: var(--navy);
  font-size: 20px;
}

.modal-card .sub {
  margin: 0 0 20px;
  color: var(--muted);
  font-size: 13px;
}

.form-grid {
  display: grid;
  gap: 14px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 6px;
}

input, select, textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px 12px;
  background: var(--white);
  color: var(--text);
}

input:focus, select:focus, textarea:focus {
  outline: 2px solid var(--navy-soft);
  border-color: var(--blue-mid);
}

textarea { min-height: 84px; resize: vertical; }

.form-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 18px;
}

.error {
  background: var(--danger-bg);
  color: var(--danger);
  border-radius: 8px;
  padding: 10px 12px;
  font-size: 13px;
  margin-bottom: 12px;
}

.type-toggle {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.type-option {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 12px;
  cursor: pointer;
  background: var(--white);
}

.type-option input { display: none; }
.type-option strong { display: block; color: var(--navy); }
.type-option span { display: block; color: var(--muted); font-size: 12px; margin-top: 4px; }
.type-option.active, .type-option:has(input:checked) {
  border-color: var(--navy);
  background: var(--navy-soft);
}

.search-box { position: relative; }
.search-results {
  margin-top: 8px;
  border: 1px solid var(--line);
  border-radius: 8px;
  max-height: 220px;
  overflow: auto;
  background: var(--white);
}

.search-item {
  width: 100%;
  border: 0;
  background: transparent;
  padding: 10px 12px;
  text-align: left;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.search-item:hover { background: var(--navy-soft); }
.search-item small { color: var(--muted); }

.selected-chip {
  margin-top: 8px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--navy-soft);
  color: var(--navy);
  border-radius: 999px;
  padding: 6px 10px;
  font-size: 13px;
  font-weight: 600;
}

.badge {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 3px 8px;
  font-size: 12px;
  font-weight: 700;
}

.badge-navy { background: var(--navy-soft); color: var(--navy); }
.badge-ok { background: var(--success-bg); color: var(--success); }
.badge-no { background: var(--danger-bg); color: var(--danger); }

.participant-row {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr auto;
  gap: 8px;
  margin-bottom: 8px;
}

.icon-btn {
  border: 1px solid var(--line);
  background: var(--white);
  border-radius: 8px;
  width: 40px;
  cursor: pointer;
}

@media (max-width: 800px) {
  .app { display: block; }
  .sidebar { width: 100%; border-right: 0; border-bottom: 1px solid var(--line); }
  .page { padding: 20px; }
  .page-header, .form-row, .participant-row, .type-toggle { grid-template-columns: 1fr; display: grid; }
  .page-header { display: grid; }
}