/* ========================================
   GIFTBIDZ - FRESH REDESIGN 2026
   Light theme with blue/green accents
   Mobile-first responsive design
   ======================================== */

:root {
  /* Primary Colors */
  --primary-blue: #0066CC;
  --primary-blue-hover: #0052a3;
  --primary-green: #22A355;
  --primary-green-hover: #1a8a45;
  --accent-yellow: #FFB800;
  
  /* Neutral Colors */
  --white: #FFFFFF;
  --gray-50: #F9FAFB;
  --gray-100: #F3F4F6;
  --gray-200: #E5E7EB;
  --gray-300: #D1D5DB;
  --gray-400: #9CA3AF;
  --gray-500: #6B7280;
  --gray-600: #4B5563;
  --gray-700: #374151;
  --gray-800: #1F2937;
  --gray-900: #111827;
  
  /* Semantic Colors */
  --success: #22A355;
  --warning: #F59E0B;
  --danger: #EF4444;
  --info: #3B82F6;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.1), 0 1px 2px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07), 0 2px 4px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1), 0 4px 6px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.1), 0 10px 10px rgba(0, 0, 0, 0.04);
  
  /* Border Radius */
  --radius-sm: 4px;
  --radius: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-full: 9999px;
  
  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition: 200ms ease;
  --transition-slow: 300ms ease;
}

/* Reset & Base */
*, *::before, *::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.5;
  color: var(--gray-800);
  background: var(--gray-50);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: var(--primary-blue);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--primary-blue-hover);
}

img {
  max-width: 100%;
  height: auto;
}

/* ========================================
   LAYOUT CONTAINER
   ======================================== */
.gb-container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 16px;
}

@media (min-width: 768px) {
  .gb-container {
    padding: 0 24px;
  }
}

/* ========================================
   HEADER
   ======================================== */
.gb-header {
  background: var(--white);
  border-bottom: 1px solid var(--gray-200);
  position: sticky;
  top: 0;
  z-index: 100;
}

.gb-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
  gap: 20px;
}

.gb-logo img {
  height: 50px;
  width: auto;
}

/* Search Bar */
.gb-search {
  flex: 1;
  max-width: 500px;
  display: flex;
  align-items: center;
  background: var(--gray-100);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-full);
  overflow: hidden;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.gb-search:focus-within {
  border-color: var(--primary-blue);
  box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.1);
}

.gb-search input {
  flex: 1;
  padding: 12px 16px;
  border: none;
  background: transparent;
  font-size: 15px;
  color: var(--gray-800);
  outline: none;
}

.gb-search input::placeholder {
  color: var(--gray-400);
}

.gb-search-btn {
  padding: 10px 20px;
  background: var(--primary-blue);
  color: var(--white);
  border: none;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: background var(--transition-fast);
}

.gb-search-btn:hover {
  background: var(--primary-blue-hover);
}

/* Header Actions */
.gb-header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.gb-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 20px;
  font-size: 14px;
  font-weight: 600;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
  border: none;
}

.gb-btn-primary {
  background: var(--primary-blue);
  color: var(--white);
}

.gb-btn-primary:hover {
  background: var(--primary-blue-hover);
  color: var(--white);
}

.gb-btn-outline {
  background: transparent;
  color: var(--gray-700);
  border: 1px solid var(--gray-300);
}

.gb-btn-outline:hover {
  background: var(--gray-100);
  border-color: var(--gray-400);
}

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

.gb-btn-success:hover {
  background: var(--primary-green-hover);
  color: var(--white);
}

/* User Menu (logged in) */
.gb-user-menu {
  display: flex;
  align-items: center;
  gap: 16px;
}

.gb-user-bids {
  text-align: right;
}

.gb-user-bids-count {
  font-size: 20px;
  font-weight: 700;
  color: var(--primary-green);
  line-height: 1;
}

.gb-user-bids-label {
  font-size: 12px;
  color: var(--gray-500);
}

.gb-user-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--gray-200);
}

/* ========================================
   NAVIGATION
   ======================================== */
.gb-nav {
  background: var(--white);
  border-bottom: 1px solid var(--gray-200);
}

.gb-nav-inner {
  display: flex;
  align-items: center;
  gap: 8px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  padding: 12px 0;
}

.gb-nav-inner::-webkit-scrollbar {
  display: none;
}

.gb-nav-link {
  display: inline-flex;
  align-items: center;
  padding: 8px 16px;
  font-size: 14px;
  font-weight: 500;
  color: var(--gray-600);
  white-space: nowrap;
  border-radius: var(--radius);
  transition: all var(--transition-fast);
}

.gb-nav-link:hover {
  color: var(--primary-blue);
  background: var(--gray-100);
}

.gb-nav-link.active {
  color: var(--primary-blue);
  background: rgba(0, 102, 204, 0.1);
}

.gb-nav-search {
  margin-left: auto;
  font-size: 14px;
  color: var(--gray-500);
}

/* ========================================
   HERO BANNER
   ======================================== */
.gb-hero {
  background: linear-gradient(135deg, #E8F5E9 0%, #B2DFDB 50%, #E3F2FD 100%);
  padding: 40px 0;
  position: relative;
  overflow: hidden;
}

.gb-hero-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  align-items: center;
}

@media (min-width: 768px) {
  .gb-hero-inner {
    grid-template-columns: 1fr 300px;
  }
}

.gb-hero-content {
  text-align: center;
}

@media (min-width: 768px) {
  .gb-hero-content {
    text-align: left;
  }
}

.gb-hero-title {
  font-size: 32px;
  font-weight: 800;
  color: var(--gray-800);
  margin: 0 0 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
}

@media (min-width: 768px) {
  .gb-hero-title {
    font-size: 42px;
    justify-content: flex-start;
  }
}

.gb-hero-subtitle {
  font-size: 24px;
  font-weight: 700;
  color: var(--gray-700);
  margin: 0 0 24px;
}

@media (min-width: 768px) {
  .gb-hero-subtitle {
    font-size: 28px;
  }
}

/* Stats Panel */
.gb-hero-stats {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-lg);
}

.gb-hero-stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.gb-stat {
  text-align: center;
}

.gb-stat-label {
  font-size: 12px;
  color: var(--gray-500);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.gb-stat-value {
  font-size: 24px;
  font-weight: 700;
  color: var(--gray-800);
}

.gb-stat-value.green {
  color: var(--primary-green);
}

.gb-hero-cta {
  margin-top: 20px;
}

.gb-hero-cta .gb-btn {
  width: 100%;
  padding: 14px 24px;
  font-size: 16px;
}

/* ========================================
   SECTION HEADERS
   ======================================== */
.gb-section {
  padding: 32px 0;
}

.gb-section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.gb-section-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--gray-800);
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0;
}

.gb-section-title-icon {
  font-size: 24px;
}

.gb-section-tabs {
  display: flex;
  gap: 8px;
}

.gb-tab {
  padding: 8px 16px;
  font-size: 14px;
  font-weight: 500;
  color: var(--gray-600);
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.gb-tab:hover {
  border-color: var(--gray-300);
}

.gb-tab.active {
  background: var(--gray-800);
  color: var(--white);
  border-color: var(--gray-800);
}

.gb-section-nav {
  display: flex;
  gap: 8px;
}

.gb-section-nav-btn {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: 50%;
  cursor: pointer;
  transition: all var(--transition-fast);
  color: var(--gray-600);
}

.gb-section-nav-btn:hover {
  background: var(--gray-100);
  border-color: var(--gray-300);
}

/* ========================================
   AUCTION CARDS - NEW DESIGN
   ======================================== */
.gb-auction-grid {

/* Force 4 column grid */
.gb-scroll-container,
.gb-auction-grid {
    display: grid !important;
    grid-template-columns: repeat(4, 1fr) !important;
    gap: 20px !important;
    overflow-x: visible !important;
}

@media (max-width: 1100px) {
    .gb-scroll-container,
    .gb-auction-grid {
        grid-template-columns: repeat(3, 1fr) !important;
    }
}

@media (max-width: 800px) {
    .gb-scroll-container,
    .gb-auction-grid {
        grid-template-columns: repeat(2, 1fr) !important;
    }
}

@media (max-width: 500px) {
    .gb-scroll-container,
    .gb-auction-grid {
        grid-template-columns: 1fr !important;
    }
}

/* Force 4 column grid */
.gb-scroll-container,
.gb-auction-grid {
    display: grid !important;
    grid-template-columns: repeat(4, 1fr) !important;
    gap: 20px !important;
    overflow-x: visible !important;
}

@media (max-width: 1100px) {
    .gb-scroll-container,
    .gb-auction-grid {
        grid-template-columns: repeat(3, 1fr) !important;
    }
}

@media (max-width: 800px) {
    .gb-scroll-container,
    .gb-auction-grid {
        grid-template-columns: repeat(2, 1fr) !important;
    }
}

@media (max-width: 500px) {
    .gb-scroll-container,
    .gb-auction-grid {
        grid-template-columns: 1fr !important;
    }
}