:root {
  --color-bg: #f8f6f2;
  --color-surface: #ffffff;
  --color-primary: #4a6b59;
  --color-primary-dark: #355244;
  --color-secondary: #c9a87c;
  --color-text: #3a3a3a;
  --color-text-muted: #6b6b6b;
  --color-border: #e7e2da;
  --color-reserved: #f3f3f3;
  --color-success: #2e7d52;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.08);
  --radius: 12px;
  --radius-sm: 6px;
  --font-display: 'Playfair Display', Georgia, serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.page-wrapper {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Hero / Convite */
.hero {
  background: linear-gradient(135deg, var(--color-primary) 0%, #3a5749 100%);
  color: #fff;
  padding: 60px 20px 80px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  opacity: 0.35;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 720px;
  margin: 0 auto;
}

.hero-tagline {
  font-size: 0.95rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 12px;
  color: rgba(255, 255, 255, 0.85);
}

.hero-title {
  font-family: var(--font-display);
  font-size: 3.2rem;
  font-weight: 700;
  margin: 0 0 16px;
  line-height: 1.1;
}

.hero-subtitle {
  font-size: 1.15rem;
  font-weight: 300;
  margin-bottom: 28px;
  opacity: 0.95;
}

.hero-info {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px 28px;
  margin-bottom: 28px;
  font-size: 0.95rem;
}

.hero-info p {
  margin: 0;
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.12);
  padding: 8px 14px;
  border-radius: 50px;
}

.hero-info i {
  color: var(--color-secondary);
}

.hero-message {
  font-size: 1.05rem;
  line-height: 1.7;
  opacity: 0.92;
  max-width: 600px;
  margin: 0 auto;
}

.hero-message strong {
  color: var(--color-secondary);
}

/* Container principal */
.container {
  width: 100%;
  max-width: 1100px;
  margin: -40px auto 0;
  padding: 0 20px 60px;
  flex: 1;
  position: relative;
  z-index: 2;
}

.gift-section {
  background: var(--color-surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  padding: 40px 36px;
}

.section-header {
  text-align: center;
  margin-bottom: 36px;
}

.section-header h2 {
  font-family: var(--font-display);
  font-size: 2.2rem;
  color: var(--color-primary-dark);
  margin: 0 0 10px;
}

.section-header p {
  color: var(--color-text-muted);
  margin: 0;
  font-size: 1rem;
}

/* Controles */
.controls {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 32px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--color-border);
}

.search-box {
  position: relative;
  flex: 1 1 260px;
  min-width: 220px;
}

.search-box i {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-muted);
}

.search-box input,
.filter-box select {
  width: 100%;
  padding: 12px 14px 12px 42px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-family: inherit;
  background: #fff;
  color: var(--color-text);
  transition: border-color 0.2s, box-shadow 0.2s;
}

.filter-box select {
  padding-left: 38px;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%236b6b6b' viewBox='0 0 16 16'%3E%3Cpath d='M7.247 11.14 2.451 5.658C1.885 5.013 2.345 4 3.204 4h9.592a1 1 0 0 1 .753 1.659l-4.796 5.48a1 1 0 0 1-1.506 0z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
}

.search-box input:focus,
.filter-box select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(74, 107, 89, 0.12);
}

.filter-box {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 1 1 220px;
  min-width: 200px;
  position: relative;
}

.filter-box label {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-muted);
  z-index: 1;
  pointer-events: none;
}

.filter-box label i {
  margin-right: 4px;
}

.btn-print {
  background: var(--color-secondary);
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  padding: 12px 20px;
  font-size: 0.95rem;
  font-weight: 500;
  font-family: inherit;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: background 0.2s, transform 0.1s;
  flex: 0 0 auto;
}

.btn-print:hover {
  background: #b8986d;
}

.btn-print:active {
  transform: translateY(1px);
}

/* Categorias e cards */
.categories-container {
  display: flex;
  flex-direction: column;
  gap: 36px;
}

.category-section {
  border-top: 2px solid var(--color-border);
  padding-top: 28px;
}

.category-section:first-of-type {
  border-top: none;
  padding-top: 0;
}

.category-title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--color-primary-dark);
  margin: 0 0 20px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.category-title i {
  color: var(--color-secondary);
  font-size: 1.2rem;
}

.gifts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 20px;
}

.gift-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 20px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: box-shadow 0.2s, transform 0.2s, border-color 0.2s;
}

.gift-card:hover {
  box-shadow: var(--shadow-sm);
  transform: translateY(-2px);
  border-color: #d8d2c8;
}

.gift-card.reserved {
  background: var(--color-reserved);
  border-color: #ddd;
  opacity: 0.82;
}

.gift-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 8px;
}

.gift-card-title {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--color-text);
  margin: 0;
  line-height: 1.35;
}

.gift-card-status {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 4px 8px;
  border-radius: 50px;
  white-space: nowrap;
  flex-shrink: 0;
}

.gift-card-status.available {
  background: #e7f5ed;
  color: var(--color-success);
}

.gift-card-status.reserved {
  background: #e9e9e9;
  color: var(--color-text-muted);
}

.gift-card-description {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin: 0 0 16px;
  line-height: 1.5;
  flex: 1;
}

.gift-card-reserved-by {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin: -8px 0 12px;
  font-style: italic;
}

.gift-card-actions {
  display: flex;
  gap: 8px;
}

.btn-primary,
.btn-secondary,
.btn-reserve,
.btn-cancel-reserve {
  border: none;
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  font-size: 0.9rem;
  font-weight: 500;
  font-family: inherit;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  transition: background 0.2s, transform 0.1s;
  flex: 1;
}

.btn-primary,
.btn-reserve {
  background: var(--color-primary);
  color: #fff;
}

.btn-primary:hover,
.btn-reserve:hover {
  background: var(--color-primary-dark);
}

.btn-secondary,
.btn-cancel-reserve {
  background: #efefef;
  color: var(--color-text);
}

.btn-secondary:hover,
.btn-cancel-reserve:hover {
  background: #e0e0e0;
}

.btn-primary:active,
.btn-secondary:active,
.btn-reserve:active,
.btn-cancel-reserve:active {
  transform: translateY(1px);
}

.gift-card.reserved .btn-reserve {
  display: none;
}

/* Loading / Empty */
.loading,
.empty-state {
  text-align: center;
  padding: 40px 20px;
  color: var(--color-text-muted);
}

.empty-state i {
  font-size: 2.5rem;
  color: var(--color-secondary);
  margin-bottom: 12px;
}

.empty-state p {
  margin: 0;
}

/* Modal */
.modal {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s, visibility 0.25s;
  z-index: 1000;
}

.modal.open {
  opacity: 1;
  visibility: visible;
}

.modal-content {
  background: var(--color-surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  width: 100%;
  max-width: 420px;
  padding: 28px;
  position: relative;
  transform: translateY(-12px);
  transition: transform 0.25s;
}

.modal.open .modal-content {
  transform: translateY(0);
}

.modal-close {
  position: absolute;
  top: 12px;
  right: 16px;
  background: none;
  border: none;
  font-size: 1.8rem;
  color: var(--color-text-muted);
  cursor: pointer;
  line-height: 1;
}

.modal-close:hover {
  color: var(--color-text);
}

.modal-item-name {
  font-weight: 600;
  color: var(--color-primary-dark);
  margin: 0 0 18px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--color-border);
}

.modal-content h3 {
  font-family: var(--font-display);
  font-size: 1.6rem;
  margin: 0 0 6px;
  color: var(--color-primary-dark);
}

.modal-content label {
  display: block;
  font-size: 0.9rem;
  font-weight: 500;
  margin-bottom: 6px;
  color: var(--color-text);
}

.modal-content input {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 1rem;
  font-family: inherit;
  margin-bottom: 20px;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.modal-content input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(74, 107, 89, 0.12);
}

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

.modal-actions .btn-primary,
.modal-actions .btn-secondary {
  flex: 1;
  padding: 12px 14px;
}

/* Toast */
.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--color-primary-dark);
  color: #fff;
  padding: 14px 24px;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-md);
  font-size: 0.95rem;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s, transform 0.3s, visibility 0.3s;
  z-index: 1100;
  text-align: center;
}

.toast.show {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

.toast.error {
  background: #9a3b3b;
}

.toast.success {
  background: var(--color-primary-dark);
}

/* Footer */
.site-footer {
  background: #fff;
  border-top: 1px solid var(--color-border);
  text-align: center;
  padding: 30px 20px;
  margin-top: auto;
}

.footer-text {
  font-family: var(--font-display);
  font-size: 1.25rem;
  color: var(--color-primary-dark);
  margin: 0 0 8px;
}

.developer {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin: 0;
}

/* Responsividade */
@media (max-width: 768px) {
  .hero {
    padding: 44px 18px 64px;
  }

  .hero-title {
    font-size: 2.4rem;
  }

  .hero-subtitle {
    font-size: 1rem;
  }

  .hero-info {
    flex-direction: column;
    gap: 10px;
    align-items: stretch;
  }

  .hero-info p {
    justify-content: center;
  }

  .container {
    margin-top: -28px;
    padding: 0 12px 40px;
  }

  .gift-section {
    padding: 28px 20px;
  }

  .section-header h2 {
    font-size: 1.8rem;
  }

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

  .search-box,
  .filter-box {
    flex: 1 1 auto;
    min-width: auto;
  }

  .btn-print {
    width: 100%;
    justify-content: center;
  }

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

  .modal-content {
    padding: 24px 20px;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 2rem;
  }

  .hero-message {
    font-size: 0.95rem;
  }

  .gift-card-actions {
    flex-direction: column;
  }

  .gift-card-header {
    flex-direction: column;
  }
}

/* Print styles */
@media print {
  html,
  body {
    background: #fff;
    color: #000;
  }

  .no-print,
  .btn-print,
  .gift-card-actions,
  .modal,
  .toast,
  .search-box,
  .filter-box {
    display: none !important;
  }

  .hero {
    background: #fff !important;
    color: #000 !important;
    padding: 20px 0 30px !important;
    box-shadow: none !important;
  }

  .hero::after {
    display: none !important;
  }

  .hero-info p {
    background: none !important;
    border: 1px solid #ddd !important;
    color: #000 !important;
  }

  .hero-tagline,
  .hero-subtitle,
  .hero-message,
  .hero-info,
  .hero-title,
  .section-header h2,
  .section-header p,
  .category-title,
  .gift-card-title,
  .gift-card-description,
  .gift-card-reserved-by,
  .gift-card-status,
  .footer-text,
  .developer {
    color: #000 !important;
  }

  .container {
    margin: 0;
    padding: 0;
    max-width: 100%;
  }

  .gift-section {
    box-shadow: none;
    border-radius: 0;
    padding: 0;
  }

  .gift-card {
    border: 1px solid #ddd;
    box-shadow: none;
    opacity: 1 !important;
  }

  .gift-card.reserved {
    background: #f8f8f8;
  }

  .gift-card-status.available {
    background: #e7f5ed;
    color: #000 !important;
  }

  .gift-card-status.reserved {
    background: #eee;
    color: #000 !important;
  }

  .gifts-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  .category-section {
    break-inside: avoid;
  }

  .category-title {
    margin-bottom: 12px;
    font-size: 1.25rem;
  }

  .site-footer {
    border-top: 1px solid #ddd;
    margin-top: 30px;
  }
}

@media print and (max-width: 640px) {
  .gifts-grid {
    grid-template-columns: 1fr;
  }
}