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

:root {
  --bg-gradient: linear-gradient(135deg, #0f172a 0%, #020617 50%, #1e1b4b 100%);
  --glass-bg: rgba(30, 41, 59, 0.45);
  --glass-border: rgba(255, 255, 255, 0.08);
  --glass-border-hover: rgba(99, 102, 241, 0.4);
  
  --primary: #6366f1;
  --primary-hover: #4f46e5;
  --secondary: #a855f7;
  --accent: #06b6d4;
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dark: #0f172a;
  
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  
  --shadow-sm: 0 2px 8px -1px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 8px 32px 0 rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 12px 40px 0 rgba(99, 102, 241, 0.15);
}

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

body {
  font-family: var(--font-sans);
  background: var(--bg-gradient);
  color: var(--text-main);
  min-height: 100vh;
  overflow-x: hidden;
  line-height: 1.5;
}

a {
  color: inherit;
  text-decoration: none;
}

button, input, select, textarea {
  font-family: inherit;
}

/* Scrollbar Customization */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: #020617;
}
::-webkit-scrollbar-thumb {
  background: #334155;
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: #475569;
}

/* Glassmorphism Panel Utility */
.glass-panel {
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  box-shadow: var(--shadow-md);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.glass-panel:hover {
  border-color: var(--glass-border-hover);
}

/* Layout container */
.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 2rem 1.5rem;
}

/* Header / Navbar */
header {
  border-bottom: 1px solid var(--glass-border);
  background: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(12px);
  position: sticky;
  top: 0;
  z-index: 100;
}

.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 70px;
  padding: 0 2rem;
  max-width: 1400px;
  margin: 0 auto;
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  background: linear-gradient(to right, var(--accent), var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logo-icon {
  font-size: 1.8rem;
}

.nav-links {
  display: flex;
  gap: 1.5rem;
  align-items: center;
}

.nav-link {
  font-weight: 500;
  color: var(--text-muted);
  transition: color 0.2s;
  padding: 0.5rem 1rem;
  border-radius: 8px;
}

.nav-link:hover, .nav-link.active {
  color: var(--text-main);
  background: rgba(255, 255, 255, 0.05);
}

.user-info {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.user-role-badge {
  background: var(--primary);
  color: white;
  padding: 0.2rem 0.6rem;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
}

/* Common Components */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: 10px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease-in-out;
  border: none;
  font-size: 0.95rem;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  color: white;
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(99, 102, 241, 0.45);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-main);
  border: 1px solid var(--glass-border);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: rgba(255, 255, 255, 0.2);
}

.btn-success {
  background: var(--success);
  color: white;
}

.btn-success:hover {
  background: #0d9668;
}

.btn-danger {
  background: var(--danger);
  color: white;
}

.btn-danger:hover {
  background: #dc2626;
}

.btn-sm {
  padding: 0.4rem 0.8rem;
  font-size: 0.8rem;
  border-radius: 6px;
}

.input-field {
  width: 100%;
  padding: 0.75rem 1rem;
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid var(--glass-border);
  border-radius: 10px;
  color: white;
  transition: all 0.2s;
  outline: none;
}

.input-field:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

/* Auth Page layout */
.auth-wrapper {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: calc(100vh - 70px);
  padding: 2rem;
}

.auth-card {
  width: 100%;
  max-width: 450px;
  padding: 2.5rem;
}

.auth-header {
  text-align: center;
  margin-bottom: 2rem;
}

.auth-header h1 {
  font-size: 1.75rem;
  margin-bottom: 0.5rem;
  font-weight: 700;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-muted);
}

/* Grid Layout for dashboards */
.dashboard-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

@media (min-width: 1024px) {
  .dashboard-grid {
    grid-template-columns: 3fr 1fr;
  }
}

/* Cards Section - Promobit Style */
.section-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.offers-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
}

/* Promobit-style Card */
.promobit-card {
  display: flex;
  flex-direction: column;
  height: 100%;
  position: relative;
  overflow: hidden;
}

.card-header-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  z-index: 5;
  padding: 0.3rem 0.6rem;
  border-radius: 8px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  color: white;
  box-shadow: var(--shadow-sm);
}

/* Platform badge colors */
.badge-amazon { background-color: #ff9900; color: #000 !important; }
.badge-shopee { background-color: #fe5722; }
.badge-mercadolivre { background-color: #fff159; color: #333 !important; }
.badge-magalu { background-color: #0086ff; }
.badge-promobit { background-color: #e61c54; }

.card-ai-badge {
  position: absolute;
  top: 12px;
  right: 12px;
  z-index: 5;
  padding: 0.3rem 0.6rem;
  border-radius: 8px;
  font-size: 0.75rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--secondary) 0%, var(--accent) 100%);
  box-shadow: var(--shadow-sm);
}

.card-img-container {
  height: 180px;
  background: white;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  border-radius: 15px 15px 0 0;
  padding: 1rem;
}

.card-img {
  max-height: 100%;
  max-width: 100%;
  object-fit: contain;
  transition: transform 0.3s ease;
}

.promobit-card:hover .card-img {
  transform: scale(1.08);
}

.card-body {
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.card-platform-name {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  margin-bottom: 0.25rem;
}

.card-title {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  line-height: 1.4;
  height: 2.8rem;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.card-price-container {
  display: flex;
  align-items: baseline;
  gap: 0.25rem;
  margin-bottom: 0.75rem;
}

.card-price-prefix {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.card-price {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--success);
}

.card-coupon-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  background: rgba(245, 158, 11, 0.15);
  border: 1px dashed var(--warning);
  color: var(--warning);
  padding: 0.3rem 0.6rem;
  border-radius: 6px;
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 1rem;
  align-self: flex-start;
}

.card-ai-reason {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-style: italic;
  margin-bottom: 1rem;
  border-left: 2px solid var(--secondary);
  padding-left: 0.5rem;
}

.card-footer {
  display: flex;
  gap: 0.75rem;
  margin-top: auto;
  border-top: 1px solid var(--glass-border);
  padding-top: 1rem;
}

/* Sidebar Sections */
.sidebar {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.sidebar-panel {
  padding: 1.5rem;
}

.sidebar-panel h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 1rem;
  border-bottom: 1px solid var(--glass-border);
  padding-bottom: 0.5rem;
  color: var(--accent);
}

/* Coupon Item */
.coupon-item {
  display: flex;
  flex-direction: column;
  padding: 0.75rem;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--glass-border);
  margin-bottom: 0.75rem;
}

.coupon-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.3rem;
}

.coupon-code {
  font-family: monospace;
  font-weight: 700;
  font-size: 0.95rem;
  background: rgba(255, 255, 255, 0.1);
  padding: 0.1rem 0.4rem;
  border-radius: 4px;
  color: var(--warning);
}

.coupon-status {
  font-size: 0.7rem;
  padding: 0.1rem 0.4rem;
  border-radius: 10px;
  font-weight: 600;
}

.status-valido { background-color: rgba(16, 185, 129, 0.2); color: var(--success); }
.status-invalido { background-color: rgba(239, 68, 68, 0.2); color: var(--danger); }
.status-nao_testado { background-color: rgba(148, 163, 184, 0.2); color: var(--text-muted); }

/* Trends List */
.trends-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.trend-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.5rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.03);
}

.trend-item:last-child {
  border-bottom: none;
}

.trend-name {
  font-weight: 500;
  font-size: 0.9rem;
}

.trend-traffic {
  font-size: 0.75rem;
  background: rgba(6, 182, 212, 0.15);
  color: var(--accent);
  padding: 0.2rem 0.5rem;
  border-radius: 10px;
  font-weight: 600;
}

/* User Search Dashboard specific elements */
.search-wrapper {
  margin-bottom: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.search-input-container {
  display: flex;
  gap: 0.75rem;
}

.platform-selector {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.platform-checkbox-label {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.9rem;
  cursor: pointer;
  padding: 0.3rem 0.8rem;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--glass-border);
  transition: all 0.2s;
}

.platform-checkbox-label:hover {
  background: rgba(255, 255, 255, 0.08);
}

.platform-checkbox-label input {
  cursor: pointer;
}

/* Dynamic Filter Panel */
.filter-panel {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1.25rem;
  padding: 1.25rem;
  margin-bottom: 2rem;
}

.filter-group-title {
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.5rem;
}

.filter-select {
  width: 100%;
  padding: 0.5rem;
  background: rgba(15, 23, 42, 0.8);
  border: 1px solid var(--glass-border);
  color: white;
  border-radius: 6px;
  outline: none;
}

/* Suggestions cards */
.suggestions-panel {
  padding: 1rem 1.5rem;
  margin-bottom: 2rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.suggestion-chip {
  padding: 0.3rem 0.8rem;
  background: rgba(99, 102, 241, 0.15);
  border: 1px solid rgba(99, 102, 241, 0.3);
  color: #a5b4fc;
  border-radius: 20px;
  font-size: 0.85rem;
  cursor: pointer;
  transition: all 0.2s;
}

.suggestion-chip:hover {
  background: rgba(99, 102, 241, 0.3);
  color: white;
}

/* File Upload drag and drop */
.file-upload-container {
  border: 2px dashed var(--glass-border);
  border-radius: 12px;
  padding: 2rem;
  text-align: center;
  cursor: pointer;
  transition: all 0.2s;
  background: rgba(255, 255, 255, 0.01);
  margin-bottom: 1.5rem;
}

.file-upload-container:hover {
  border-color: var(--primary);
  background: rgba(99, 102, 241, 0.05);
}

.file-upload-icon {
  font-size: 2.5rem;
  margin-bottom: 0.75rem;
  color: var(--text-muted);
}

.file-upload-text {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.file-upload-text span {
  color: var(--primary);
  font-weight: 600;
}

/* Toast Notification */
.toast {
  position: fixed;
  bottom: 20px;
  right: 20px;
  padding: 1rem 1.5rem;
  border-radius: 10px;
  color: white;
  font-weight: 600;
  z-index: 1000;
  box-shadow: 0 4px 15px rgba(0,0,0,0.5);
  transition: opacity 0.3s;
}

.toast-success { background: var(--success); }
.toast-error { background: var(--danger); }
.toast-info { background: var(--accent); }

/* Tabs container for Admin */
.tabs {
  display: flex;
  gap: 1rem;
  margin-bottom: 2rem;
  border-bottom: 1px solid var(--glass-border);
  padding-bottom: 0.5rem;
}

.tab-btn {
  padding: 0.6rem 1.2rem;
  border: none;
  background: none;
  color: var(--text-muted);
  cursor: pointer;
  font-weight: 600;
  border-radius: 8px;
  transition: all 0.2s;
}

.tab-btn:hover {
  color: var(--text-main);
  background: rgba(255, 255, 255, 0.05);
}

.tab-btn.active {
  color: var(--primary);
  background: rgba(99, 102, 241, 0.12);
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
}

/* Empty states */
.empty-state {
  text-align: center;
  padding: 4rem 2rem;
  color: var(--text-muted);
}

.empty-state-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

/* Stats list */
.stats-container {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.stat-box {
  padding: 1rem;
  text-align: center;
}

.stat-value {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent);
}

.stat-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  margin-top: 0.25rem;
}