:root {
  --teal-900: #0f4c46;
  --teal-700: #0f766e;
  --teal-600: #14958c;
  --bg: #f4f7f6;
  --card-bg: #ffffff;
  --text: #1c2b28;
  --text-muted: #5b6b68;
  --border: #e1e8e6;
  --red: #dc2626;
  --red-bg: #fee2e2;
  --amber: #d97706;
  --amber-bg: #fef3c7;
  --yellow: #a16207;
  --yellow-bg: #fef9c3;
  --green: #15803d;
  --green-bg: #dcfce7;
  --radius: 12px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  padding-bottom: 2rem;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--teal-900);
  color: white;
  padding: 0.9rem 1rem;
  padding-top: max(0.9rem, env(safe-area-inset-top));
}

.topbar h1 {
  font-size: 1.05rem;
  margin: 0;
  font-weight: 600;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.btn-topbar-secondary {
  border: 1px solid rgba(255, 255, 255, 0.5);
  border-radius: 999px;
  padding: 0.5rem 0.9rem;
  font-size: 0.82rem;
  font-weight: 600;
  color: white;
  text-decoration: none;
  white-space: nowrap;
  background: none;
}

.btn-topbar-secondary:disabled {
  opacity: 0.6;
}

@media (max-width: 480px) {
  .topbar {
    flex-direction: column;
    align-items: stretch;
    gap: 0.6rem;
  }

  .topbar-actions {
    width: 100%;
  }

  .topbar-actions > a,
  .topbar-actions > button {
    flex: 1;
    padding-left: 0.5rem;
    padding-right: 0.5rem;
    font-size: 0.78rem;
    text-align: center;
  }
}

.btn-primary, .btn-secondary {
  border: none;
  border-radius: 999px;
  padding: 0.55rem 1.1rem;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
}

.btn-primary {
  background: #ffffff;
  color: var(--teal-900);
}

.btn-secondary {
  background: transparent;
  color: var(--text-muted);
  border: 1px solid var(--border);
}

.userbar {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1rem 0;
  font-size: 0.78rem;
  color: var(--text-muted);
}

.link-button {
  border: none;
  background: none;
  color: var(--teal-700);
  font-size: 0.78rem;
  font-weight: 600;
  cursor: pointer;
  padding: 0;
  text-decoration: underline;
}

.summary {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.5rem;
  padding: 1rem;
}

.summary-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 0.7rem 0.5rem;
  text-align: center;
  box-shadow: 0 1px 3px rgba(0,0,0,0.06);
}

.summary-card .num { font-size: 1.4rem; font-weight: 700; display: block; }
.summary-card .label { font-size: 0.68rem; color: var(--text-muted); }

.summary-card.vencido .num { color: var(--red); }
.summary-card.critico .num { color: var(--amber); }
.summary-card.atencao .num { color: var(--yellow); }
.summary-card.ok .num { color: var(--green); }

.filters {
  display: flex;
  gap: 0.5rem;
  padding: 0 1rem 0.5rem;
}

.filters input, .filters select {
  flex: 1;
  padding: 0.55rem 0.7rem;
  border-radius: 10px;
  border: 1px solid var(--border);
  font-size: 0.9rem;
  background: white;
}

.list {
  padding: 0.25rem 1rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.empty-state {
  text-align: center;
  color: var(--text-muted);
  padding: 3rem 1rem;
}

.card {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 0.85rem 1rem;
  box-shadow: 0 1px 3px rgba(0,0,0,0.06);
  border-left: 5px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.card.vencido { border-left-color: var(--red); }
.card.critico { border-left-color: var(--amber); }
.card.atencao { border-left-color: var(--yellow); }
.card.ok { border-left-color: var(--green); }

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 0.5rem;
}

.card-title { font-weight: 600; font-size: 0.98rem; }
.card-category { font-size: 0.78rem; color: var(--text-muted); }

.badge {
  font-size: 0.72rem;
  font-weight: 700;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  white-space: nowrap;
}

.badge.vencido { background: var(--red-bg); color: var(--red); }
.badge.critico { background: var(--amber-bg); color: var(--amber); }
.badge.atencao { background: var(--yellow-bg); color: var(--yellow); }
.badge.ok { background: var(--green-bg); color: var(--green); }

.card-meta {
  font-size: 0.82rem;
  color: var(--text-muted);
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.card-actions {
  display: flex;
  gap: 0.5rem;
  margin-top: 0.3rem;
}

.card-actions button {
  flex: 1;
  padding: 0.45rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: white;
  font-size: 0.82rem;
  cursor: pointer;
}

.card-actions button.danger {
  color: var(--red);
  border-color: var(--red-bg);
}

dialog {
  border: none;
  border-radius: var(--radius);
  padding: 0;
  width: min(92vw, 420px);
}

dialog::backdrop {
  background: rgba(15, 76, 70, 0.35);
}

#productForm {
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
}

#productForm h2 {
  margin: 0 0 0.3rem;
  font-size: 1.1rem;
}

#productForm label[hidden] {
  display: none;
}

#productForm label {
  font-size: 0.82rem;
  color: var(--text-muted);
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

#productForm input, #productForm textarea {
  font-size: 0.95rem;
  padding: 0.55rem 0.6rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  color: var(--text);
  font-family: inherit;
}

.row {
  display: flex;
  gap: 0.6rem;
}

.row label { flex: 1; }

.field-label {
  font-size: 0.82rem;
  color: var(--text-muted);
}

.photo-capture {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.photo-preview {
  width: 100%;
  max-height: 180px;
  object-fit: cover;
  border-radius: 10px;
  border: 1px solid var(--border);
}

.photo-buttons {
  display: flex;
  gap: 0.5rem;
}

.photo-buttons button { flex: 1; }

.ocr-status {
  margin: 0;
  font-size: 0.78rem;
  color: var(--text-muted);
}

.ocr-status.ocr-success { color: var(--green); }
.ocr-status.ocr-fail { color: var(--amber); }

.card-header-main {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  min-width: 0;
}

.card-thumb {
  width: 44px;
  height: 44px;
  border-radius: 8px;
  object-fit: cover;
  flex-shrink: 0;
}

.dialog-actions {
  display: flex;
  gap: 0.6rem;
  margin-top: 0.4rem;
}

.dialog-actions button { flex: 1; }

@media (min-width: 640px) {
  .list { display: grid; grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 960px) {
  .list { grid-template-columns: repeat(3, 1fr); }
}

.auth-body {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}

.auth-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: 0 4px 20px rgba(15, 76, 70, 0.12);
  padding: 2rem 1.75rem;
  width: 100%;
  max-width: 380px;
}

.auth-card h1 {
  margin: 0 0 0.25rem;
  font-size: 1.3rem;
  text-align: center;
  color: var(--teal-900);
}

.auth-subtitle {
  margin: 0 0 1.5rem;
  font-size: 0.82rem;
  color: var(--text-muted);
  text-align: center;
}

.auth-tabs {
  display: flex;
  gap: 0.4rem;
  margin-bottom: 1.25rem;
  background: var(--bg);
  border-radius: 999px;
  padding: 0.25rem;
}

.auth-tab {
  flex: 1;
  border: none;
  background: transparent;
  padding: 0.5rem;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
}

.auth-tab.active {
  background: var(--teal-900);
  color: white;
}

.auth-form[hidden] {
  display: none;
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.auth-form label {
  font-size: 0.82rem;
  color: var(--text-muted);
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.auth-form input {
  font-size: 0.95rem;
  padding: 0.6rem 0.7rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  color: var(--text);
  font-family: inherit;
}

.auth-form .btn-primary {
  background: var(--teal-900);
  color: white;
  padding: 0.7rem;
  margin-top: 0.3rem;
}

.auth-error {
  margin: 1rem 0 0;
  padding: 0.6rem 0.8rem;
  border-radius: 8px;
  background: var(--red-bg);
  color: var(--red);
  font-size: 0.82rem;
  text-align: center;
}