:root {
  --color-brand: #1d4b3e;
  --color-brand-light: #2f6b58;
  --color-bg: #f4f6f5;
  --color-surface: #ffffff;
  --color-border: #dbe2df;
  --color-text: #1c2422;
  --color-text-muted: #5c6864;
  --color-danger: #b3312c;
  --color-warning: #a8681a;
  --color-ok: #2f7a4d;
  --radius: 10px;
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 16px;
  --space-4: 24px;
  --space-5: 32px;
  font-size: 16px;
}

* { box-sizing: border-box; }

[hidden] { display: none !important; }

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

body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  padding-bottom: env(safe-area-inset-bottom);
}

h1, h2, h3 { line-height: 1.2; margin: 0 0 var(--space-2); }
p { margin: 0 0 var(--space-2); }

.app-header {
  background: var(--color-brand);
  color: #fff;
  padding: env(safe-area-inset-top) var(--space-3) var(--space-2);
  position: sticky;
  top: 0;
  z-index: 20;
}

.app-header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-2);
}

.app-title { font-size: 1.15rem; font-weight: 600; }

.main-nav {
  display: flex;
  gap: var(--space-3);
  align-items: center;
  padding: var(--space-2) 0 var(--space-1);
  font-size: 0.9rem;
}

.main-nav a {
  color: #fff;
  opacity: 0.85;
  text-decoration: none;
}
.main-nav a.active { opacity: 1; font-weight: 600; text-decoration: underline; }

.link-btn {
  background: none;
  border: none;
  color: #fff;
  opacity: 0.85;
  font: inherit;
  cursor: pointer;
  padding: 0;
  margin-left: auto;
}

.badge {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
}
.badge-offline { background: var(--color-danger); color: #fff; }
.badge-syncing { background: var(--color-warning); color: #fff; }
.badge-ok { background: var(--color-ok); color: #fff; }

.app-view {
  flex: 1;
  padding: var(--space-3);
  max-width: 640px;
  width: 100%;
  margin: 0 auto;
}

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--space-3);
  margin-bottom: var(--space-3);
}

.field {
  margin-bottom: var(--space-3);
}
.field label {
  display: block;
  font-weight: 600;
  margin-bottom: var(--space-1);
  font-size: 0.9rem;
}
.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-size: 1rem;
  background: #fff;
  color: var(--color-text);
}
.field .hint { font-size: 0.8rem; color: var(--color-text-muted); margin-top: var(--space-1); }

.btn {
  display: inline-block;
  padding: 12px 20px;
  border-radius: var(--radius);
  border: none;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  background: var(--color-brand);
  color: #fff;
  text-align: center;
}
.btn:disabled { opacity: 0.5; cursor: not-allowed; }
.btn-secondary { background: #fff; color: var(--color-brand); border: 1px solid var(--color-brand); }
.btn-danger { background: var(--color-danger); }
.btn-block { display: block; width: 100%; }
.btn-row { display: flex; gap: var(--space-2); flex-wrap: wrap; }

.list { display: flex; flex-direction: column; gap: var(--space-2); }

.list-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-2);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--space-3);
  text-decoration: none;
  color: inherit;
}
.list-item-main { flex: 1; min-width: 0; }
.list-item-title { font-weight: 600; }
.list-item-sub { font-size: 0.85rem; color: var(--color-text-muted); }

.tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
  white-space: nowrap;
}
.tag-complete { background: #e3f3e8; color: var(--color-ok); }
.tag-missing { background: #fbeceb; color: var(--color-danger); }
.tag-pending { background: #fdf1e0; color: var(--color-warning); }
.tag-photo { background: #eaf1ee; color: var(--color-brand); }
.tag-nophoto { background: #f0f0f0; color: var(--color-text-muted); }

.stat-row { display: flex; gap: var(--space-3); flex-wrap: wrap; margin-bottom: var(--space-3); }
.stat-box { flex: 1; min-width: 120px; background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius); padding: var(--space-3); text-align: center; }
.stat-box .value { font-size: 1.4rem; font-weight: 700; }
.stat-box .label { font-size: 0.8rem; color: var(--color-text-muted); }

table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
th, td { text-align: left; padding: 8px 6px; border-bottom: 1px solid var(--color-border); }
th { color: var(--color-text-muted); font-weight: 600; }

.photo-preview { width: 100%; max-height: 320px; object-fit: contain; border-radius: var(--radius); border: 1px solid var(--color-border); margin-bottom: var(--space-2); background: #000; }

.ocr-suggestion {
  background: #eaf1ee;
  border: 1px solid var(--color-brand-light);
  border-radius: var(--radius);
  padding: var(--space-2) var(--space-3);
  margin-bottom: var(--space-3);
  font-size: 0.9rem;
}

.empty-state { text-align: center; color: var(--color-text-muted); padding: var(--space-5) var(--space-3); }

.back-link { display: inline-block; margin-bottom: var(--space-3); color: var(--color-brand); text-decoration: none; font-weight: 600; }

.toast-root {
  position: fixed;
  bottom: calc(var(--space-3) + env(safe-area-inset-bottom));
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  z-index: 100;
  width: calc(100% - var(--space-4));
  max-width: 480px;
  align-items: center;
}
.toast {
  background: #1c2422;
  color: #fff;
  padding: 10px 16px;
  border-radius: var(--radius);
  font-size: 0.9rem;
  box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}
.toast-error { background: var(--color-danger); }
.toast-ok { background: var(--color-ok); }

.chart-svg { width: 100%; height: auto; }

@media (max-width: 420px) {
  :root { font-size: 15px; }
}