@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&display=swap');

:root {
  /* Light Mode Color Palette - High Contrast & Craft Aesthetic */
  --bg-dark: #f8fafc;
  --bg-card: #ffffff;
  --bg-card-hover: #ffffff;
  --bg-input: #ffffff;
  --border-color: #e2e8f0;
  --border-accent: rgba(124, 58, 237, 0.4);
  
  --primary: #7c3aed;
  --primary-hover: #6d28d9;
  --primary-light: #f5f3ff;
  
  --secondary: #059669;
  --secondary-hover: #047857;
  
  --accent: #e11d48;
  --text-main: #0f172a;
  --text-muted: #475569;
  --text-dim: #64748b;
  
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05), 0 1px 2px rgba(0, 0, 0, 0.03);
  --shadow-md: 0 10px 25px -5px rgba(0, 0, 0, 0.06), 0 8px 10px -6px rgba(0, 0, 0, 0.04);
  --shadow-glow: 0 4px 14px rgba(124, 58, 237, 0.25);
  
  --transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  background-color: var(--bg-dark);
  color: var(--text-main);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  line-height: 1.5;
  background-image: 
    radial-gradient(at 0% 0%, rgba(124, 58, 237, 0.05) 0px, transparent 50%),
    radial-gradient(at 100% 100%, rgba(5, 150, 105, 0.04) 0px, transparent 50%);
  background-attachment: fixed;
}

/* Header & Navbar */
header.navbar {
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 100;
  padding: 0.85rem 1.5rem;
  box-shadow: var(--shadow-sm);
}

.nav-container {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--text-main);
  text-decoration: none;
  letter-spacing: -0.02em;
}

.logo-icon {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border-radius: 10px;
  display: grid;
  place-items: center;
  color: #fff;
  font-size: 1.1rem;
  box-shadow: var(--shadow-glow);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  list-style: none;
}

.nav-link {
  color: var(--text-muted);
  text-decoration: none;
  padding: 0.5rem 0.85rem;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 600;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.nav-link:hover {
  color: var(--primary);
  background: var(--primary-light);
}

.nav-link.active {
  color: var(--primary);
  background: var(--primary-light);
  border: 1px solid var(--border-accent);
}

.nav-actions {
  display: flex;
  gap: 0.5rem;
}

/* Layout container */
main.container {
  max-width: 1280px;
  width: 100%;
  margin: 0 auto;
  padding: 2rem 1.5rem;
  flex: 1;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.65rem 1.2rem;
  min-height: 44px; /* Touch target accessibility */
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  border: 1px solid transparent;
  text-decoration: none;
  transition: var(--transition);
}

.btn:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.3);
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-hover));
  color: #ffffff;
  box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(124, 58, 237, 0.35);
}

.btn-secondary {
  background: #ffffff;
  color: var(--text-main);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
  background: #f1f5f9;
  border-color: #cbd5e1;
  color: var(--primary);
}

.btn-danger {
  background: #fff1f2;
  color: var(--accent);
  border: 1px solid #fecdd3;
}

.btn-danger:hover {
  background: #ffe4e6;
  border-color: #fda4af;
}

.btn-sm {
  padding: 0.35rem 0.75rem;
  min-height: 36px;
  font-size: 0.825rem;
}

/* Page Headers */
.page-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.page-title {
  font-size: 1.85rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text-main);
}

/* Filter Card */
.filter-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  margin-bottom: 2rem;
  box-shadow: var(--shadow-sm);
}

.filter-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  align-items: end;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form-group label {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.form-control {
  width: 100%;
  padding: 0.65rem 0.9rem;
  min-height: 44px;
  background-color: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-main);
  font-family: inherit;
  font-size: 0.9rem;
  transition: var(--transition);
}

.form-control:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.15);
}

textarea.form-control {
  min-height: 110px;
  resize: vertical;
}

/* Card Grid */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(285px, 1fr));
  gap: 1.5rem;
}

.item-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
  position: relative;
  cursor: pointer;
}

.item-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-accent);
  box-shadow: var(--shadow-md);
}

.card-media {
  aspect-ratio: 4 / 3;
  width: 100%;
  background: #f1f5f9;
  position: relative;
  overflow: hidden;
  display: grid;
  place-items: center;
}

.card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}

.item-card:hover .card-media img {
  transform: scale(1.03);
}

.card-media-dual {
  display: grid;
  grid-template-columns: 1fr 1fr;
  height: 100%;
  width: 100%;
}

.card-media-dual .media-half {
  height: 100%;
  position: relative;
  overflow: hidden;
}

.media-badge {
  position: absolute;
  top: 8px;
  left: 8px;
  background: rgba(15, 23, 42, 0.85);
  backdrop-filter: blur(4px);
  color: #ffffff;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.card-content {
  padding: 1.15rem;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  flex: 1;
}

.card-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-main);
  text-decoration: none;
  line-height: 1.35;
}

.card-title:hover {
  color: var(--primary);
}

.card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8rem;
  color: var(--text-dim);
}

/* Badges & Tags */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.6rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.badge-referencia {
  background: #eff6ff;
  color: #1d4ed8;
  border: 1px solid #bfdbfe;
}

.badge-ideia {
  background: #fffbeb;
  color: #b45309;
  border: 1px solid #fde68a;
}

.badge-testado {
  background: #f3e8ff;
  color: #6b21a8;
  border: 1px solid #e9d5ff;
}

.badge-feito {
  background: #ecfdf5;
  color: #047857;
  border: 1px solid #a7f3d0;
}

.tags-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.tag-chip {
  background: #f1f5f9;
  border: 1px solid #cbd5e1;
  color: var(--text-muted);
  font-size: 0.775rem;
  font-weight: 600;
  padding: 0.2rem 0.55rem;
  border-radius: 6px;
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition);
}

.tag-chip:hover {
  background: var(--primary-light);
  color: var(--primary);
  border-color: var(--border-accent);
}

.tag-chip.cat-tema { border-left: 3px solid #2563eb; }
.tag-chip.cat-superficie { border-left: 3px solid #059669; }
.tag-chip.cat-material { border-left: 3px solid #d97706; }
.tag-chip.cat-tecnica { border-left: 3px solid #db2777; }
.tag-chip.cat-formato { border-left: 3px solid #7c3aed; }

/* Empty state */
.empty-state {
  text-align: center;
  padding: 4rem 2rem;
  background: var(--bg-card);
  border: 2px dashed #cbd5e1;
  border-radius: var(--radius-lg);
  color: var(--text-muted);
  grid-column: 1 / -1;
}

/* Modals */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(6px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
}

.modal-backdrop.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-content {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  max-width: 600px;
  width: 92%;
  max-height: 90vh;
  overflow-y: auto;
  padding: 1.75rem;
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
}

.crop-container {
  width: 100%;
  max-height: 400px;
  margin: 1rem 0;
  background: #0f172a;
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.crop-controls {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}

/* Footer */
footer {
  background: #ffffff;
  border-top: 1px solid var(--border-color);
  padding: 1.5rem;
  text-align: center;
  font-size: 0.85rem;
  color: var(--text-dim);
  margin-top: auto;
}

/* Detail view layout */
.detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: start;
}

@media (max-width: 768px) {
  .detail-grid {
    grid-template-columns: 1fr;
  }
}

.detail-gallery {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.detail-img-box {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  position: relative;
  box-shadow: var(--shadow-sm);
}

.detail-img-box img {
  width: 100%;
  max-height: 500px;
  object-fit: contain;
  display: block;
}