@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800&display=swap');

:root {
  --bg-main: #06070d;
  --bg-surface: #10121e;
  --bg-card: #16192b;
  --bg-card-hover: #1e223a;
  --color-primary: #ffd700; /* Gold Premium */
  --color-primary-rgb: 255, 215, 0;
  --color-secondary: #ff8c00; /* Dark Orange */
  --text-main: #f3f4f6;
  --text-secondary: #9ca3af;
  --text-muted: #6b7280;
  --border-light: rgba(255, 255, 255, 0.05);
  --border-focus: rgba(255, 215, 0, 0.35);
  --glass-bg: rgba(16, 18, 30, 0.75);
  --glass-blur: blur(16px);
  
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.6);
  --shadow-premium: 0 0 40px rgba(255, 215, 0, 0.08);

  --font-display: 'Outfit', sans-serif;
  --font-sans: 'Inter', sans-serif;
  --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

/* --- RESET & GLOBAL STYLES --- */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  background-color: var(--bg-main);
  color: var(--text-main);
  font-family: var(--font-sans);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
}

/* Scrollbar Elegante */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-main);
}
::-webkit-scrollbar-thumb {
  background: #25283c;
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--color-primary);
}

/* --- CONTAINER DE LOGIN --- */
.login-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 20px;
  background: radial-gradient(circle at 50% 50%, #15182d 0%, #06070d 100%);
}

.login-card {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--border-light);
  border-radius: 24px;
  width: 100%;
  max-width: 440px;
  padding: 40px;
  box-shadow: var(--shadow-lg), var(--shadow-premium);
  text-align: center;
  transform: translateY(0);
  transition: var(--transition);
  animation: floatUp 0.6s ease-out;
}

@keyframes floatUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.logo-container {
  margin-bottom: 30px;
}

.logo-icon {
  font-size: 3rem;
  color: var(--color-primary);
  margin-bottom: 10px;
  filter: drop-shadow(0 0 10px rgba(var(--color-primary-rgb), 0.3));
}

.logo-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.8rem;
  letter-spacing: 1px;
  background: linear-gradient(135deg, #ffffff 30%, var(--color-primary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.logo-subtitle {
  font-size: 0.85rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-top: 5px;
}

.login-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 8px;
}

.form-group label {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.input-field {
  width: 100%;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-light);
  border-radius: 12px;
  padding: 14px 16px;
  color: var(--text-main);
  font-family: var(--font-sans);
  font-size: 1rem;
  transition: var(--transition);
}

.input-field:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--border-focus);
  background: rgba(255, 255, 255, 0.08);
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  color: #000000;
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 1rem;
  padding: 14px;
  border: none;
  border-radius: 12px;
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  box-shadow: 0 4px 15px rgba(var(--color-primary-rgb), 0.2);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(var(--color-primary-rgb), 0.35);
  filter: brightness(1.1);
}

.btn-primary:active {
  transform: translateY(0);
}

.login-footer {
  margin-top: 25px;
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* --- LAYOUT PRINCIPAL DO CATÁLOGO --- */
.app-wrapper {
  display: none; /* Controlado pelo JS pós-login */
  flex-direction: column;
  min-height: 100vh;
}

header {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-bottom: 1px solid var(--border-light);
  padding: 15px 40px;
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-container {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.header-logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.header-logo .logo-icon {
  font-size: 2rem;
  margin-bottom: 0;
}

.header-logo .logo-title {
  font-size: 1.4rem;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 15px;
}

.user-badge {
  background: rgba(255, 255, 255, 0.05);
  padding: 8px 16px;
  border-radius: 30px;
  font-size: 0.85rem;
  font-weight: 500;
  border: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  gap: 8px;
}

.user-badge::before {
  content: '';
  display: inline-block;
  width: 8px;
  height: 8px;
  background: #10b981; /* Green active status */
  border-radius: 50%;
}

.btn-logout {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border-light);
  padding: 8px 16px;
  border-radius: 30px;
  cursor: pointer;
  font-size: 0.85rem;
  font-weight: 500;
  transition: var(--transition);
}

.btn-logout:hover {
  background: rgba(239, 68, 68, 0.1);
  color: #ef4444;
  border-color: rgba(239, 68, 68, 0.2);
}

/* --- BANNER DE BUSCA CENTRAL --- */
.hero-section {
  padding: 60px 20px 40px 20px;
  text-align: center;
  background: radial-gradient(circle at top center, rgba(var(--color-primary-rgb), 0.05) 0%, transparent 60%);
}

.hero-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 2.5rem;
  margin-bottom: 15px;
}

.hero-subtitle {
  color: var(--text-secondary);
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto 35px auto;
  line-height: 1.5;
}

.search-container {
  max-width: 650px;
  margin: 0 auto;
  position: relative;
}

.search-bar-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.search-icon {
  position: absolute;
  left: 20px;
  font-size: 1.2rem;
  color: var(--text-muted);
  pointer-events: none;
  transition: var(--transition);
}

.search-input {
  width: 100%;
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  padding: 18px 20px 18px 55px;
  border-radius: 50px;
  color: var(--text-main);
  font-family: var(--font-sans);
  font-size: 1.1rem;
  box-shadow: var(--shadow-md);
  transition: var(--transition);
}

.search-input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 4px var(--border-focus), var(--shadow-lg);
  background: var(--bg-card);
}

.search-input:focus + .search-icon {
  color: var(--color-primary);
}

/* --- GRID DE RESULTADOS --- */
.main-content {
  max-width: 1400px;
  margin: 0 auto;
  width: 100%;
  padding: 20px 40px 80px 40px;
  flex: 1;
}

.results-info {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 25px;
}

.results-count {
  font-size: 0.95rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.file-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(290px, 1fr));
  gap: 30px;
}

/* --- DESIGN DO CARD PREMIUM --- */
.file-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  position: relative;
}

.file-card:hover {
  transform: translateY(-8px);
  border-color: rgba(var(--color-primary-rgb), 0.3);
  box-shadow: var(--shadow-lg), var(--shadow-premium);
  background: var(--bg-card-hover);
}

.card-preview-container {
  position: relative;
  width: 100%;
  height: 200px;
  background: #090a10;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border-bottom: 1px solid var(--border-light);
}

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

.file-card:hover .card-preview-image {
  transform: scale(1.05);
}

/* Fallback Caso não tenha imagem */
.card-preview-fallback {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  color: var(--text-muted);
  transition: var(--transition);
}

.file-card:hover .card-preview-fallback {
  color: var(--color-primary);
}

.fallback-icon {
  font-size: 3.5rem;
}

.fallback-text {
  font-size: 0.8rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.card-details {
  padding: 20px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.card-filename {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 15px;
  color: var(--text-main);
  word-break: break-all;
  line-height: 1.3;
}

.formats-label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 10px;
  margin-top: auto; /* Alinha no final caso os títulos tenham tamanhos diferentes */
}

.format-btn-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

/* Botões de Download por Formato */
.btn-download-format {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-light);
  border-radius: 10px;
  padding: 10px 14px;
  color: var(--text-main);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 600;
  transition: var(--transition);
  cursor: pointer;
}

.btn-download-format:hover {
  background: rgba(var(--color-primary-rgb), 0.08);
  border-color: rgba(var(--color-primary-rgb), 0.5);
  color: var(--color-primary);
}

.format-badge {
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-secondary);
  padding: 3px 8px;
  border-radius: 6px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  transition: var(--transition);
}

.btn-download-format:hover .format-badge {
  background: var(--color-primary);
  color: #000000;
}

/* --- STATES (LOADING, EMPTY, ERROR) --- */

/* Esqueleto de Carregamento (Skeleton Loader) */
.skeleton-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: 20px;
  overflow: hidden;
  height: 420px;
  display: flex;
  flex-direction: column;
}

.skeleton-preview {
  height: 200px;
  background: linear-gradient(90deg, #16192b 25%, #222644 50%, #16192b 75%);
  background-size: 200% 100%;
  animation: loadingShimmer 1.5s infinite;
}

.skeleton-details {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 15px;
  flex: 1;
}

.skeleton-text {
  height: 22px;
  background: linear-gradient(90deg, #16192b 25%, #222644 50%, #16192b 75%);
  background-size: 200% 100%;
  animation: loadingShimmer 1.5s infinite;
  border-radius: 4px;
}

.skeleton-text.short {
  width: 60%;
}

.skeleton-button {
  height: 40px;
  background: linear-gradient(90deg, #16192b 25%, #222644 50%, #16192b 75%);
  background-size: 200% 100%;
  animation: loadingShimmer 1.5s infinite;
  border-radius: 10px;
  margin-top: auto;
}

@keyframes loadingShimmer {
  0% {
    background-position: 200% 0;
  }
  100% {
    background-position: -200% 0;
  }
}

/* Estado de busca sem resultados */
.empty-state {
  grid-column: 1 / -1;
  text-align: center;
  padding: 80px 20px;
  color: var(--text-secondary);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 15px;
}

.empty-state-icon {
  font-size: 4rem;
  color: var(--text-muted);
}

.empty-state-title {
  font-size: 1.4rem;
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--text-main);
}

.empty-state-text {
  max-width: 400px;
  font-size: 0.95rem;
}

/* --- SISTEMA DE NOTIFICAÇÕES (TOAST) --- */
.toast-container {
  position: fixed;
  bottom: 30px;
  right: 30px;
  z-index: 1000;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.toast {
  background: #16192b;
  border-left: 4px solid var(--color-primary);
  border-radius: 8px;
  padding: 16px 24px;
  color: var(--text-main);
  box-shadow: var(--shadow-lg);
  font-size: 0.9rem;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 12px;
  transform: translateX(120%);
  transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.toast.show {
  transform: translateX(0);
}

.toast.error {
  border-left-color: #ef4444;
}

.toast-icon {
  font-size: 1.2rem;
}

/* --- RESPONSIVIDADE --- */
@media (max-width: 1024px) {
  header {
    padding: 15px 25px;
  }
  .main-content {
    padding: 20px 25px 60px 25px;
  }
  .hero-title {
    font-size: 2.1rem;
  }
}

@media (max-width: 768px) {
  .header-logo .logo-title {
    display: none; /* Deixa apenas o ícone no mobile para poupar espaço */
  }
  .user-badge {
    padding: 6px 12px;
    font-size: 0.8rem;
  }
  .hero-section {
    padding: 40px 15px 30px 15px;
  }
  .hero-title {
    font-size: 1.8rem;
  }
  .hero-subtitle {
    font-size: 0.95rem;
    margin-bottom: 25px;
  }
  .search-input {
    padding: 15px 20px 15px 48px;
    font-size: 1rem;
  }
  .search-icon {
    left: 18px;
  }
  .file-grid {
    grid-template-columns: 1fr; /* Um card por linha no mobile */
    gap: 20px;
  }
  .main-content {
    padding: 10px 15px 40px 15px;
  }
  .toast-container {
    bottom: 20px;
    right: 20px;
    left: 20px;
  }
  .toast {
    width: 100%;
  }
}