:root {
  --bg: #f7fafc;
  --card: #ffffff;
  --text: #1f2937;
  --accent: #2563eb;
  --border: #e2e8f0;
  --success: #16a34a;
  --danger: #dc2626;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Inter, system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
}

.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 24px;
}

.top-nav {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 16px;
}

.top-nav a {
  display: inline-block;
  padding: 10px 16px;
  border-radius: 999px;
  text-decoration: none;
  color: var(--accent);
  border: 1px solid var(--accent);
  transition: all 0.2s ease;
}

.top-nav a:hover {
  background: var(--accent);
  color: white;
}

.app-shell,
.admin-shell {
  padding: 24px;
}

.app-header {
  padding: 24px;
  margin-bottom: 24px;
  border-radius: 18px;
  background: linear-gradient(135deg, #eff6ff, #dbeafe);
  box-shadow: 0 10px 20px rgba(15, 23, 42, 0.08);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.header-brand {
  display: flex;
  align-items: center;
  gap: 16px;
}

.logo {
  width: 60px;
  height: 60px;
  display: block;
}

.app-header h1 {
  margin: 0 0 8px;
  font-size: clamp(2rem, 2.5vw, 2.8rem);
}

.app-header p {
  margin: 0;
  color: #334155;
}

main {
  display: grid;
  gap: 22px;
}

.panel {
  padding: 20px;
  border-radius: 18px;
  background: var(--card);
  border: 1px solid var(--border);
}

.panel h2 {
  margin-top: 0;
}

.panel-search {
  display: grid;
  gap: 12px;
}

#searchInput,
input[type="text"],
input[type="number"],
textarea,
select {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid var(--border);
  border-radius: 12px;
  font-size: 1rem;
}

button {
  padding: 12px 24px;
  border: none;
  border-radius: 12px;
  background: var(--accent);
  color: white;
  cursor: pointer;
  font-weight: 600;
}

button:hover {
  background: #1d4ed8;
}

.food-card,
.product-card {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 18px;
  align-items: start;
  padding: 16px;
  border-radius: 14px;
  margin-bottom: 14px;
  border: 1px solid #e2e8f0;
  background: #f8fafc;
}

.food-card__media,
.product-card__media {
  width: 120px;
}

.food-image,
.product-img {
  width: 100%;
  height: 120px;
  object-fit: cover;
  border-radius: 18px;
  border: 1px solid #e2e8f0;
  background: white;
}

.food-image--placeholder {
  display: grid;
  place-items: center;
  color: #64748b;
  font-size: 0.9rem;
  text-align: center;
  padding: 10px;
}

.food-card__body,
.product-card__body {
  display: grid;
  gap: 10px;
}

.food-group {
  margin: 0;
  color: #334155;
  font-weight: 600;
}

.food-card:last-child,
.product-card:last-child {
  margin-bottom: 0;
}

.food-card h3,
.product-card h3 {
  margin: 0 0 8px;
}

.food-card p,
.product-card p {
  margin: 0;
  color: #475569;
}

.nutri-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 12px;
  margin-top: 16px;
}

.nutri-item {
  padding: 14px;
  background: white;
  border-radius: 14px;
  border: 1px solid #e2e8f0;
  text-align: center;
}

.nutri-item strong {
  display: block;
  margin-bottom: 8px;
  color: #0f172a;
}

.entry-actions {
  display: flex;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
  margin-top: 14px;
}

.entry-controls {
  display: flex;
  gap: 10px;
  align-items: center;
}

.entry-controls input {
  width: 80px;
  padding: 10px 12px;
}

.diary-item {
  padding: 18px;
  border-radius: 16px;
  margin-bottom: 14px;
  border: 1px solid #e2e8f0;
  background: #ffffff;
}

.diary-meta {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 10px;
}

.totals-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 12px;
  margin-bottom: 18px;
}

.panel-diary {
  display: grid;
  gap: 16px;
}

.admin-panel {
  display: grid;
  gap: 20px;
}

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

.admin-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.text-success {
  color: var(--success);
}

.text-danger {
  color: var(--danger);
}

.message {
  padding: 12px 16px;
  border-radius: 14px;
  margin-bottom: 16px;
  border: 1px solid transparent;
}

.message.info {
  background: #e0f2fe;
  color: #0369a1;
  border-color: #bae6fd;
}

.message.success {
  background: #dcfce7;
  color: #166534;
  border-color: #bbf7d0;
}

.message.error {
  background: #fee2e2;
  color: #991b1b;
  border-color: #fecaca;
}

.admin-actions button.danger {
  background: var(--danger);
}

.admin-actions button.danger:hover {
  background: #b91c1c;
}

@media (min-width: 768px) {
  main {
    grid-template-columns: 1fr 1fr;
  }

  .panel-summary {
    grid-column: span 2;
  }
}

@media (max-width: 720px) {
  .food-card {
    grid-template-columns: 1fr;
  }

  .food-card__media {
    width: 100%;
  }
}