:root {
  --navy: #1b3a5c;
  --teal: #0d9488;
  --teal-light: #ccfbf1;
  --slate: #475569;
  --bg: #f1f5f9;
  --card: #ffffff;
  --border: #cbd5e1;
  --accent: #f59e0b;
  --touch-min: 44px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: #0f172a;
  line-height: 1.5;
  padding-bottom: env(safe-area-inset-bottom, 0);
}

.topbar {
  background: linear-gradient(135deg, var(--navy), #234876);
  color: #fff;
  padding: 0.85rem 1rem;
  padding-top: max(0.85rem, env(safe-area-inset-top, 0));
  display: flex;
  align-items: center;
  gap: 0.75rem;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
  position: sticky;
  top: 0;
  z-index: 900;
}

.menu-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: var(--touch-min);
  height: var(--touch-min);
  padding: 0;
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  font-size: 1.35rem;
  line-height: 1;
  cursor: pointer;
  flex-shrink: 0;
}

.menu-toggle:hover { background: rgba(255, 255, 255, 0.2); }

.topbar-brand { flex: 1; min-width: 0; }
.topbar-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
}

.topbar-logout {
  color: #fff;
  text-decoration: none;
  font-size: 0.85rem;
  padding: 0.35rem 0.65rem;
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: 6px;
}

.topbar-logout:hover { background: rgba(255, 255, 255, 0.12); }

.topbar h1 {
  margin: 0;
  font-size: 1.15rem;
  line-height: 1.25;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.topbar .meta {
  font-size: 0.8rem;
  opacity: 0.88;
  line-height: 1.35;
}
.topbar-site { font-size: 0.8rem; opacity: 0.85; white-space: nowrap; }

.nav-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.45);
  z-index: 998;
}

.layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  min-height: calc(100vh - 64px);
}

.sidebar {
  background: var(--card);
  border-right: 1px solid var(--border);
  padding: 1rem 0;
}

.sidebar a {
  display: block;
  padding: 0.55rem 1.25rem;
  color: var(--slate);
  text-decoration: none;
  font-size: 0.92rem;
}

.sidebar a:hover,
.sidebar a.active {
  background: var(--teal-light);
  color: var(--navy);
  font-weight: 600;
}

.sidebar .section {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: #94a3b8;
  padding: 1rem 1.25rem 0.35rem;
}

.content {
  padding: 1.25rem;
  min-width: 0;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.25rem;
  margin-bottom: 1rem;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}

.card h2 { margin: 0 0 1rem; color: var(--navy); font-size: 1.1rem; }
.card h3 { margin: 0 0 0.75rem; color: var(--navy); font-size: 1rem; }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }

label {
  display: block;
  font-size: 0.85rem;
  color: var(--slate);
  margin-bottom: 0.25rem;
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.65rem;
  font-size: 0.95rem;
  color: #0f172a;
  cursor: pointer;
}

.checkbox-label input {
  width: 1.15rem;
  height: 1.15rem;
  margin: 0;
}

input,
select,
textarea {
  width: 100%;
  padding: 0.55rem 0.65rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 0.9rem;
  margin-bottom: 0.75rem;
}

input[type="file"] { padding: 0.45rem; }

.table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin-bottom: 1rem;
  border: 1px solid var(--border);
  border-radius: 6px;
}

.table-wrap table {
  margin-bottom: 0;
  min-width: 520px;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
}

th {
  background: var(--navy);
  color: #fff;
  text-align: left;
  padding: 0.55rem 0.65rem;
  white-space: nowrap;
}

td {
  padding: 0.5rem 0.65rem;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}

tr:nth-child(even) td { background: #f8fafc; }

.table-wrap table input,
.table-wrap table select {
  margin-bottom: 0;
  min-width: 4.5rem;
}

.actions-cell {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.actions-cell .btn { margin: 0; }

.toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
  margin-bottom: 1rem;
}

.toolbar input {
  flex: 1 1 160px;
  margin: 0;
  min-width: 0;
}

.toolbar .btn { margin: 0; flex-shrink: 0; }

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.75rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.5rem 0.95rem;
  min-height: 2.5rem;
  border-radius: 6px;
  border: none;
  font-size: 0.9rem;
  cursor: pointer;
  text-decoration: none;
  margin-right: 0.35rem;
  margin-bottom: 0.35rem;
  line-height: 1.2;
}

.btn-row .btn { margin: 0; }

.btn-primary { background: var(--teal); color: #fff; }
.btn-primary:hover { background: #0f766e; }
.btn-secondary { background: #e2e8f0; color: var(--navy); }
.btn-danger { background: #dc2626; color: #fff; }
.btn-accent { background: var(--accent); color: var(--navy); }

.alert {
  padding: 0.75rem 1rem;
  border-radius: 6px;
  margin-bottom: 1rem;
}
.alert-success { background: #dcfce7; color: #166534; }
.alert-error { background: #fee2e2; color: #991b1b; }
.alert-info { background: #e0f2fe; color: #075985; }

.menu-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1rem;
}

.menu-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.25rem;
  text-decoration: none;
  color: inherit;
  transition: box-shadow 0.15s, border-color 0.15s;
}

.menu-card:hover {
  border-color: var(--teal);
  box-shadow: 0 4px 12px rgba(13, 148, 136, 0.15);
}

.menu-card h3 { margin: 0 0 0.35rem; color: var(--navy); font-size: 1rem; }
.menu-card p { margin: 0; font-size: 0.82rem; color: var(--slate); }

pre.report {
  background: #0f172a;
  color: #e2e8f0;
  padding: 1rem;
  border-radius: 6px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  font-size: 0.78rem;
  white-space: pre;
  max-width: 100%;
}

.footer {
  text-align: center;
  padding: 0.75rem;
  font-size: 0.8rem;
  color: var(--slate);
  border-top: 1px solid var(--border);
  background: var(--card);
}

.form-narrow { max-width: 560px; }

.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.25rem;
  background: linear-gradient(160deg, #e2e8f0, #f8fafc);
}

.login-card {
  width: 100%;
  max-width: 400px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.5rem;
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.08);
}

.login-card h1 {
  margin: 0 0 0.35rem;
  color: var(--navy);
  font-size: 1.25rem;
}

.login-subtitle {
  margin: 0 0 1.25rem;
  color: var(--slate);
  font-size: 0.9rem;
}

.login-btn {
  width: 100%;
  margin-top: 0.5rem;
  min-height: var(--touch-min);
}

@media (max-width: 900px) {
  .menu-toggle { display: inline-flex; }

  .layout { grid-template-columns: 1fr; }

  .sidebar {
    position: fixed;
    top: 0;
    left: 0;
    height: 100%;
    width: min(288px, 88vw);
    z-index: 1000;
    transform: translateX(-105%);
    transition: transform 0.22s ease;
    overflow-y: auto;
    padding-top: max(0.5rem, env(safe-area-inset-top, 0));
    padding-bottom: env(safe-area-inset-bottom, 0);
    box-shadow: none;
    border-right: none;
  }

  body.nav-open .sidebar {
    transform: translateX(0);
    box-shadow: 4px 0 24px rgba(0, 0, 0, 0.22);
  }

  body.nav-open .nav-overlay { display: block; }

  body.nav-open { overflow: hidden; }

  .sidebar a {
    padding: 0.75rem 1.25rem;
    min-height: var(--touch-min);
    display: flex;
    align-items: center;
  }

  .content { padding: 1rem; }

  .grid-2,
  .grid-3 { grid-template-columns: 1fr; }

  .topbar-site { display: none; }

  .topbar h1 { font-size: 1.05rem; white-space: normal; }

  .btn {
    min-height: var(--touch-min);
    padding: 0.6rem 1rem;
  }

  input,
  select,
  textarea {
    font-size: 16px;
    min-height: var(--touch-min);
  }

  .table-wrap table { min-width: 640px; }

  .menu-grid { grid-template-columns: 1fr; }

  pre.report { font-size: 0.72rem; }
}

@media (max-width: 480px) {
  .content { padding: 0.75rem; }

  .card { padding: 1rem; }

  .toolbar { flex-direction: column; align-items: stretch; }

  .toolbar input,
  .toolbar .btn { width: 100%; flex: 1 1 auto; }

  .actions-cell { flex-direction: column; }

  .actions-cell .btn { width: 100%; }
}