:root {
  --color-bg: #f5f6f8;
  --color-surface: #ffffff;
  --color-border: #e2e5ea;
  --color-text: #1a1d23;
  --color-text-muted: #6b7280;
  --color-primary: #215bb3;
  --color-primary-dark: #184a94;
  --color-success: #17864f;
  --color-warning: #b5740b;
  --color-danger: #c0392b;
  --radius: 10px;
  --shadow: 0 1px 3px rgba(16, 24, 40, 0.08);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  font-size: 15px;
  -webkit-tap-highlight-color: transparent;
}

a { color: var(--color-primary); text-decoration: none; }
h1, h2, h3 { margin: 0 0 8px; line-height: 1.25; }
p { margin: 0 0 8px; }

.container { max-width: 1080px; margin: 0 auto; padding: 16px; }
.container-narrow { max-width: 520px; margin: 0 auto; padding: 16px; }

.topbar {
  position: sticky; top: env(safe-area-inset-top, 0px); z-index: 20;
  background: var(--color-surface); border-bottom: 1px solid var(--color-border);
  padding: 12px 16px; display: flex; align-items: center; justify-content: space-between;
}
.topbar .brand { font-weight: 700; font-size: 16px; }
.topbar .nav-link { font-size: 13px; color: var(--color-text-muted); margin-left: 14px; }

.sidebar-layout { display: flex; min-height: 100vh; }
.sidebar {
  width: 220px; flex-shrink: 0; background: var(--color-surface); border-right: 1px solid var(--color-border);
  padding: 16px 0; display: none;
}
.sidebar .brand { font-weight: 700; padding: 0 16px 16px; }
.sidebar a {
  display: block; padding: 10px 16px; color: var(--color-text); font-size: 14px; border-left: 3px solid transparent;
}
.sidebar a.active { color: var(--color-primary); border-left-color: var(--color-primary); background: #eef3fb; font-weight: 600; }
.sidebar .group-label { font-size: 11px; text-transform: uppercase; letter-spacing: .04em; color: var(--color-text-muted); padding: 14px 16px 4px; }
.main-content { flex: 1; min-width: 0; }

@media (min-width: 900px) {
  .sidebar { display: block; }
}

.card { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius); padding: 16px; box-shadow: var(--shadow); margin-bottom: 16px; }
.card-title { font-size: 14px; font-weight: 700; color: var(--color-text-muted); text-transform: uppercase; letter-spacing: .03em; margin-bottom: 10px; }

.grid { display: grid; gap: 12px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 700px) { .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr 1fr; } }
@media (max-width: 420px) { .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; } }

.stat-tile .label { font-size: 12px; color: var(--color-text-muted); margin-bottom: 4px; }
.stat-tile .value { font-size: 22px; font-weight: 700; }

table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 10px 8px; border-bottom: 1px solid var(--color-border); vertical-align: middle; }
th { color: var(--color-text-muted); font-weight: 600; font-size: 12px; text-transform: uppercase; letter-spacing: .02em; }
.table-scroll { overflow-x: auto; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  border: 1px solid var(--color-border); background: var(--color-surface); color: var(--color-text);
  border-radius: 8px; padding: 10px 16px; font-size: 14px; font-weight: 600; cursor: pointer;
}
.btn-primary { background: var(--color-primary); border-color: var(--color-primary); color: #fff; }
.btn-primary:active { background: var(--color-primary-dark); }
.btn-danger { background: var(--color-danger); border-color: var(--color-danger); color: #fff; }
.btn-success { background: var(--color-success); border-color: var(--color-success); color: #fff; }
.btn-sm { padding: 6px 10px; font-size: 12px; }
.btn-block { display: flex; width: 100%; }

.btn-fixed-bottom {
  position: sticky; bottom: env(safe-area-inset-bottom, 0px); background: var(--color-surface);
  border-top: 1px solid var(--color-border); padding: 12px 16px; margin: 16px -16px -16px;
}

label { display: block; font-size: 13px; font-weight: 600; margin-bottom: 6px; color: var(--color-text); }
input, select, textarea {
  width: 100%; padding: 11px 12px; border: 1px solid var(--color-border); border-radius: 8px; font-size: 16px;
  background: var(--color-surface); color: var(--color-text); font-family: inherit;
}
input:focus, select:focus, textarea:focus { outline: 2px solid var(--color-primary); outline-offset: 1px; }
.field { margin-bottom: 14px; }
.field-error { color: var(--color-danger); font-size: 12px; margin-top: 4px; }
.field-hint { color: var(--color-text-muted); font-size: 12px; margin-top: 4px; }

.badge { display: inline-block; padding: 3px 9px; border-radius: 999px; font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .02em; }
.badge-gray { background: #eef0f3; color: #4b5563; }
.badge-blue { background: #e3edfb; color: var(--color-primary-dark); }
.badge-green { background: #e5f6ec; color: var(--color-success); }
.badge-yellow { background: #fbf0dc; color: var(--color-warning); }
.badge-red { background: #fbe6e3; color: var(--color-danger); }

.alert { padding: 12px 14px; border-radius: 8px; margin-bottom: 14px; font-size: 14px; }
.alert-success { background: #e5f6ec; color: var(--color-success); }
.alert-error { background: #fbe6e3; color: var(--color-danger); }
.alert-warning { background: #fbf0dc; color: var(--color-warning); }

.empty-state { text-align: center; padding: 40px 16px; color: var(--color-text-muted); }

.list-tap {
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
  padding: 14px; background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius);
  margin-bottom: 10px;
}
.list-tap .title { font-weight: 600; }
.list-tap .subtitle { font-size: 12px; color: var(--color-text-muted); margin-top: 2px; }

.pagination { display: flex; gap: 8px; justify-content: center; margin-top: 16px; }
.pagination a, .pagination span { padding: 6px 12px; border-radius: 6px; border: 1px solid var(--color-border); font-size: 13px; }
.pagination .current { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }

.text-muted { color: var(--color-text-muted); }
.text-danger { color: var(--color-danger); }
.text-right { text-align: right; }
.flex { display: flex; align-items: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.gap-8 { gap: 8px; }
.mt-16 { margin-top: 16px; }
.mb-0 { margin-bottom: 0; }

.photo-thumb { width: 100%; max-width: 240px; border-radius: 8px; border: 1px solid var(--color-border); display: block; }
.camera-input-wrap { position: relative; }