/* ============================================
   卡通星球 - 卡通人物形象资源交易平台
   B25类 ICP经营性备案适用网站
   ============================================ */

/* --- Reset & Base --- */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --primary: #FF6B9D;
  --primary-dark: #E5558A;
  --secondary: #7B68EE;
  --secondary-dark: #6A5ACD;
  --accent: #FFD93D;
  --accent2: #00D2FF;
  --dark: #1E1E2E;
  --gray-900: #2D3436;
  --gray-700: #636E72;
  --gray-500: #B2BEC3;
  --gray-300: #DFE6E9;
  --gray-100: #F8F9FB;
  --white: #FFFFFF;
  --gradient-primary: linear-gradient(135deg, #FF6B9D 0%, #C471F5 100%);
  --gradient-hero: linear-gradient(135deg, #0F0C29 0%, #302B63 50%, #24243E 100%);
  --gradient-card: linear-gradient(145deg, #FF6B9D 0%, #7B68EE 100%);
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 20px rgba(0,0,0,0.12);
  --shadow-lg: 0 8px 40px rgba(0,0,0,0.16);
  --shadow-glow: 0 0 40px rgba(255,107,157,0.3);
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
  color: var(--gray-900);
  background: var(--white);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; display: block; }

.container { max-width: 1240px; margin: 0 auto; padding: 0 24px; }

.section-title { text-align: center; margin-bottom: 60px; }

.section-title .label {
  display: inline-block; font-size: 0.875rem; font-weight: 600;
  color: var(--primary); background: rgba(255,107,157,0.1);
  padding: 6px 20px; border-radius: 50px; margin-bottom: 16px;
  letter-spacing: 0.05em; text-transform: uppercase;
}

.section-title h2 { font-size: 2.5rem; font-weight: 700; color: var(--dark); margin-bottom: 16px; line-height: 1.3; }
.section-title p { font-size: 1.1rem; color: var(--gray-700); max-width: 600px; margin: 0 auto; }

/* --- Navigation --- */
.navbar {
  position: fixed; top: 0; left: 0; width: 100%; z-index: 1000;
  padding: 18px 0; transition: var(--transition);
}

.navbar.scrolled {
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: var(--shadow-sm);
  padding: 12px 0;
}

.navbar .container { display: flex; align-items: center; justify-content: space-between; }

.navbar .logo {
  display: flex; align-items: center; gap: 10px;
  font-size: 1.5rem; font-weight: 800; color: var(--white); transition: var(--transition);
}

.navbar.scrolled .logo { color: var(--dark); }

.logo-icon {
  width: 40px; height: 40px;
  background: var(--gradient-primary); border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem; color: white;
}

.nav-links { display: flex; align-items: center; gap: 28px; }

.nav-links a {
  font-size: 0.93rem; font-weight: 500;
  color: rgba(255,255,255,0.85); transition: var(--transition); position: relative;
}

.navbar.scrolled .nav-links a { color: var(--gray-700); }
.nav-links a:hover, .nav-links a.active { color: var(--white); }
.navbar.scrolled .nav-links a:hover, .navbar.scrolled .nav-links a.active { color: var(--primary); }

.nav-links a::after {
  content: ''; position: absolute; bottom: -4px; left: 0; width: 0; height: 2px;
  background: var(--accent); border-radius: 2px; transition: var(--transition);
}

.nav-links a:hover::after, .nav-links a.active::after { width: 100%; }

.nav-cta {
  padding: 9px 22px; background: var(--gradient-primary); color: white !important;
  border-radius: 50px; font-weight: 600 !important; transition: var(--transition) !important;
  box-shadow: var(--shadow-glow); border: none; cursor: pointer; font-size: 0.93rem;
}

.nav-cta:hover { transform: translateY(-2px); box-shadow: 0 4px 30px rgba(255,107,157,0.5); }
.nav-cta::after { display: none !important; }

.nav-user { display: none; align-items: center; gap: 8px; }
.nav-user.visible { display: flex; }
.nav-user span { color: var(--dark); font-weight: 600; font-size: 0.9rem; }
.nav-user .nav-logout {
  font-size: 0.82rem; color: var(--gray-500); cursor: pointer; background: none; border: none;
}
.nav-user .nav-logout:hover { color: var(--primary); }

/* --- Hero --- */
.hero {
  min-height: 100vh;
  background: var(--gradient-hero);
  display: flex; align-items: center; position: relative; overflow: hidden; padding-top: 60px;
}

.hero::before {
  content: ''; position: absolute;
  top: -50%; right: -15%; width: 70%; height: 200%;
  background: radial-gradient(circle, rgba(255,107,157,0.12) 0%, transparent 70%);
  animation: heroPulse 8s ease-in-out infinite;
}

.hero::after {
  content: ''; position: absolute;
  bottom: -30%; left: -10%; width: 60%; height: 150%;
  background: radial-gradient(circle, rgba(123,104,238,0.1) 0%, transparent 70%);
  animation: heroPulse 8s ease-in-out 4s infinite;
}

@keyframes heroPulse {
  0%,100%{transform:scale(1);opacity:0.5} 50%{transform:scale(1.1);opacity:1}
}

.hero-particles { position:absolute; top:0; left:0; width:100%; height:100%; pointer-events:none; }

.hero .container {
  display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; position: relative; z-index: 1;
}

.hero-content h1 { font-size: 3.2rem; font-weight: 800; color: var(--white); line-height: 1.2; margin-bottom: 24px; }

.hero-content h1 .highlight {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent2) 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}

.hero-content p { font-size: 1.15rem; color: rgba(255,255,255,0.7); margin-bottom: 40px; max-width: 480px; line-height: 1.8; }

.hero-buttons { display: flex; gap: 16px; flex-wrap: wrap; }

.btn {
  display: inline-flex; align-items: center; gap: 8px; padding: 14px 32px;
  font-size: 1rem; font-weight: 600; border-radius: 50px; border: none;
  cursor: pointer; transition: var(--transition); letter-spacing: 0.02em;
}

.btn-primary { background: var(--gradient-primary); color: white; box-shadow: var(--shadow-glow); }
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 6px 40px rgba(255,107,157,0.5); }
.btn-secondary { background: var(--secondary); color: white; }
.btn-secondary:hover { transform: translateY(-3px); box-shadow: 0 6px 30px rgba(123,104,238,0.4); }

.btn-outline {
  background: transparent; color: white; border: 2px solid rgba(255,255,255,0.3);
}
.btn-outline:hover { background: rgba(255,255,255,0.1); border-color: rgba(255,255,255,0.6); transform: translateY(-3px); }

.hero-visual {
  display: flex; align-items: center; justify-content: center;
  position: relative;
}

.hero-emoji-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px;
}

.hero-emoji-grid span {
  width: 70px; height: 70px; border-radius: 20px;
  background: rgba(255,255,255,0.08); backdrop-filter: blur(10px);
  display: flex; align-items: center; justify-content: center;
  font-size: 2.2rem; animation: floatEmoji 4s ease-in-out infinite;
}

.hero-emoji-grid span:nth-child(1){animation-delay:0s}
.hero-emoji-grid span:nth-child(2){animation-delay:.3s}
.hero-emoji-grid span:nth-child(3){animation-delay:.6s}
.hero-emoji-grid span:nth-child(4){animation-delay:.9s}
.hero-emoji-grid span:nth-child(5){animation-delay:.2s}
.hero-emoji-grid span:nth-child(6){animation-delay:.5s}
.hero-emoji-grid span:nth-child(7){animation-delay:.8s}
.hero-emoji-grid span:nth-child(8){animation-delay:1.1s}
.hero-emoji-grid span:nth-child(9){animation-delay:.4s}
.hero-emoji-grid span:nth-child(10){animation-delay:.7s}
.hero-emoji-grid span:nth-child(11){animation-delay:1s}
.hero-emoji-grid span:nth-child(12){animation-delay:1.3s}

@keyframes floatEmoji {
  0%,100%{transform:translateY(0) scale(1)}
  50%{transform:translateY(-10px) scale(1.08)}
}

.hero-scroll {
  position: absolute; bottom: 40px; left: 50%; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  color: rgba(255,255,255,0.5); font-size: 0.8rem; z-index: 2;
  animation: scrollBounce 2s ease-in-out infinite;
}

.hero-scroll .scroll-line {
  width: 1px; height: 40px;
  background: linear-gradient(to bottom, rgba(255,255,255,0.4), transparent);
}

@keyframes scrollBounce {
  0%,100%{transform:translateX(-50%) translateY(0)} 50%{transform:translateX(-50%) translateY(8px)}
}

/* --- Stats --- */
.stats { padding: 60px 0; background: var(--white); position: relative; margin-top: -40px; z-index: 10; }

.stats-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px;
  background: var(--white); border-radius: var(--radius-xl);
  padding: 40px; box-shadow: var(--shadow-lg);
}

.stat-item { text-align: center; padding: 20px; }
.stat-item .stat-number {
  font-size: 2.5rem; font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
  margin-bottom: 8px;
}
.stat-item .stat-label { font-size: 0.9rem; color: var(--gray-700); font-weight: 500; }
.stat-item .stat-icon { font-size: 2rem; margin-bottom: 12px; }

/* --- Categories --- */
.categories { padding: 100px 0; background: var(--gray-100); }

.category-grid {
  display: grid; grid-template-columns: repeat(5, 1fr); gap: 24px;
}

.category-card {
  background: var(--white); border-radius: var(--radius-lg);
  padding: 36px 20px; text-align: center;
  transition: var(--transition); border: 1px solid transparent;
  cursor: pointer; position: relative; overflow: hidden;
  display: block; text-decoration: none;
}

.category-card::before {
  content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 4px;
  background: var(--gradient-primary); transform: scaleX(0);
  transition: transform 0.4s ease; transform-origin: left;
}

.category-card:hover::before { transform: scaleX(1); }
.category-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); border-color: var(--gray-300); }

.category-icon {
  width: 72px; height: 72px; border-radius: 20px;
  margin: 0 auto 20px; display: flex; align-items: center; justify-content: center;
  font-size: 2.2rem; transition: var(--transition);
}

.category-card:nth-child(1) .category-icon { background: linear-gradient(135deg, #FFE0EC, #FFB3C6); }
.category-card:nth-child(2) .category-icon { background: linear-gradient(135deg, #E0F0FF, #B3D9FF); }
.category-card:nth-child(3) .category-icon { background: linear-gradient(135deg, #E8E0FF, #C4B5FD); }
.category-card:nth-child(4) .category-icon { background: linear-gradient(135deg, #FFF3E0, #FFD6A5); }
.category-card:nth-child(5) .category-icon { background: linear-gradient(135deg, #E0FFE8, #B5F5C6); }

.category-card h3 { font-size: 1.1rem; font-weight: 700; color: var(--dark); margin-bottom: 10px; }
.category-card p { font-size: 0.85rem; color: var(--gray-700); line-height: 1.6; }

.category-card .count {
  display: inline-block; margin-top: 14px; font-size: 0.8rem; color: var(--primary);
  font-weight: 600; background: rgba(255,107,157,0.08); padding: 4px 14px; border-radius: 20px;
}

/* --- Features --- */
.features { padding: 100px 0; background: var(--white); }

.features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; }

.feature-card {
  padding: 40px 32px; border-radius: var(--radius-lg);
  background: var(--white); border: 1px solid var(--gray-300);
  transition: var(--transition); position: relative; overflow: hidden;
}

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

.feature-card .feature-num {
  font-size: 3.5rem; font-weight: 800; color: rgba(255,107,157,0.06);
  position: absolute; top: 10px; right: 20px; line-height: 1;
}

.feature-icon {
  width: 56px; height: 56px; border-radius: 16px;
  background: rgba(255,107,157,0.1);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.6rem; margin-bottom: 20px;
}

.feature-card h3 { font-size: 1.2rem; font-weight: 700; color: var(--dark); margin-bottom: 12px; }
.feature-card p { font-size: 0.93rem; color: var(--gray-700); line-height: 1.7; }

/* --- Pricing --- */
.pricing { padding: 100px 0; background: var(--gray-100); }

.pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; align-items: start; }

.pricing-card {
  background: var(--white); border-radius: var(--radius-xl);
  padding: 40px 32px; border: 2px solid var(--gray-300);
  transition: var(--transition); position: relative;
}

.pricing-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); }

.pricing-card.featured {
  border-color: var(--primary);
  background: linear-gradient(to bottom, rgba(255,107,157,0.04), white);
  box-shadow: var(--shadow-lg); transform: scale(1.03);
}

.pricing-card.featured:hover { transform: scale(1.03) translateY(-8px); }

.pricing-badge {
  position: absolute; top: -14px; left: 50%; transform: translateX(-50%);
  background: var(--gradient-primary); color: white;
  padding: 6px 24px; border-radius: 50px; font-size: 0.8rem; font-weight: 700; white-space: nowrap;
}

.pricing-card .plan-name { font-size: 1.3rem; font-weight: 700; color: var(--dark); margin-bottom: 8px; text-align: center; }
.pricing-card .plan-desc { font-size: 0.88rem; color: var(--gray-700); text-align: center; margin-bottom: 28px; }
.pricing-card .plan-price { text-align: center; margin-bottom: 28px; }
.plan-price .currency { font-size: 1.5rem; font-weight: 600; color: var(--gray-700); vertical-align: top; }
.plan-price .amount { font-size: 3rem; font-weight: 800; color: var(--dark); line-height: 1; }
.plan-price .period { font-size: 0.9rem; color: var(--gray-500); }

.pricing-features { margin-bottom: 32px; }
.pricing-features li {
  padding: 10px 0; font-size: 0.93rem; color: var(--gray-700);
  display: flex; align-items: center; gap: 10px;
}
.pricing-features li::before {
  content: '✓'; display: flex; align-items: center; justify-content: center;
  width: 22px; height: 22px; border-radius: 50%;
  background: rgba(0,201,167,0.15); color: #00C9A7;
  font-size: 0.75rem; font-weight: 700; flex-shrink: 0;
}

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

/* --- CTA --- */
.cta-section {
  padding: 100px 0; background: var(--gradient-hero);
  text-align: center; position: relative; overflow: hidden;
}

.cta-section .container { position: relative; z-index: 1; }
.cta-section h2 { font-size: 2.8rem; font-weight: 800; color: var(--white); margin-bottom: 20px; }
.cta-section p { font-size: 1.1rem; color: rgba(255,255,255,0.7); margin-bottom: 40px; max-width: 500px; margin-left: auto; margin-right: auto; }
.cta-section .btn-primary { font-size: 1.1rem; padding: 16px 40px; }

/* --- Footer --- */
.footer { background: var(--dark); padding: 80px 0 30px; color: rgba(255,255,255,0.7); }

.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 50px; margin-bottom: 50px; }

.footer-brand .logo { font-size: 1.5rem; font-weight: 800; color: white; margin-bottom: 16px; display: flex; align-items: center; gap: 10px; }
.footer-brand p { font-size: 0.9rem; line-height: 1.8; max-width: 300px; }

.footer-col h4 { font-size: 1rem; font-weight: 700; color: white; margin-bottom: 20px; }
.footer-col ul li { margin-bottom: 12px; }
.footer-col ul li a { font-size: 0.9rem; color: rgba(255,255,255,0.6); transition: var(--transition); }
.footer-col ul li a:hover { color: var(--accent); }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08); padding-top: 28px;
  display: flex; flex-direction: column; align-items: center; gap: 10px;
  font-size: 0.82rem; color: rgba(255,255,255,0.45);
}

.footer-beian-row {
  display: flex; flex-wrap: wrap; justify-content: center; align-items: center; gap: 24px;
}

.footer-beian-row a {
  display: inline-flex; align-items: center; gap: 5px;
  color: rgba(255,255,255,0.5); text-decoration: none;
  transition: color 0.2s;
}

.footer-beian-row a:hover {
  color: rgba(255,255,255,0.8);
}

.footer-beian-row .beian-icon {
  width: 15px; height: 15px; flex-shrink: 0;
}

.footer-beian-row .beian-sep {
  color: rgba(255,255,255,0.15); user-select: none;
}

.footer-copyright {
  font-size: 0.8rem; color: rgba(255,255,255,0.35); margin-top: 2px;
}

/* --- Back to Top --- */
.back-to-top {
  position: fixed; bottom: 30px; right: 30px;
  width: 48px; height: 48px; border-radius: 50%;
  background: var(--gradient-primary); color: white;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem; cursor: pointer; border: none;
  box-shadow: var(--shadow-md);
  opacity: 0; visibility: hidden; transform: translateY(20px);
  transition: var(--transition); z-index: 999;
}

.back-to-top.visible { opacity: 1; visibility: visible; transform: translateY(0); }
.back-to-top:hover { transform: translateY(-4px); box-shadow: var(--shadow-glow); }

/* ============================================
   分类详情页
   ============================================ */
.category-page-header {
  padding: 140px 0 60px; background: var(--gradient-hero);
  text-align: center; position: relative;
}

.category-page-header .back-link {
  display: inline-flex; align-items: center; gap: 6px;
  color: rgba(255,255,255,0.7); font-size: 0.9rem;
  margin-bottom: 24px; transition: var(--transition);
}
.category-page-header .back-link:hover { color: white; }
.category-page-header h1 { font-size: 2.5rem; font-weight: 800; color: white; margin-bottom: 12px; }
.category-page-header .cat-icon { font-size: 3rem; margin-bottom: 16px; display: block; }
.category-page-header p { font-size: 1.05rem; color: rgba(255,255,255,0.65); max-width: 500px; margin: 0 auto; }

.resource-section { padding: 60px 0 80px; background: var(--gray-100); }

.resource-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }

.resource-card {
  background: white; border-radius: var(--radius-lg); overflow: hidden;
  box-shadow: var(--shadow-sm); transition: var(--transition);
  display: flex; flex-direction: column;
}

.resource-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }

.resource-preview {
  width: 100%; aspect-ratio: 1/1;
  display: flex; align-items: center; justify-content: center;
  font-size: 3.5rem; position: relative; overflow: hidden;
  background: #f5f5f5;
}

.resource-preview img {
  width: 100%; height: 100%; object-fit: contain;
}

.resource-info { padding: 20px 24px 16px; flex: 1; display: flex; flex-direction: column; }
.resource-info h3 { font-size: 1.05rem; font-weight: 700; color: var(--dark); margin-bottom: 8px; }
.resource-info .res-desc { font-size: 0.85rem; color: var(--gray-700); margin-bottom: 12px; line-height: 1.5; flex: 1; }

.resource-meta {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 14px; padding-top: 12px; border-top: 1px solid var(--gray-300);
}

.resource-meta .res-tags { display: flex; gap: 6px; flex-wrap: wrap; }

.resource-meta .res-tags span {
  font-size: 0.72rem; color: var(--primary);
  background: rgba(255,107,157,0.08); padding: 2px 10px; border-radius: 10px;
}

.resource-meta .res-price { font-size: 1.15rem; font-weight: 700; color: #FF6B6B; }

.resource-actions { display: flex; gap: 10px; }

.btn-buy {
  flex: 1; padding: 10px 16px; background: var(--gradient-primary);
  color: white; border: none; border-radius: 50px;
  font-size: 0.88rem; font-weight: 600; cursor: pointer;
  transition: var(--transition); text-align: center;
}
.btn-buy:hover { transform: translateY(-2px); box-shadow: var(--shadow-glow); }

/* --- Buy Modal --- */
.buy-modal-overlay {
  position: fixed; top: 0; left: 0; width: 100%; height: 100%;
  background: rgba(0,0,0,0.6); backdrop-filter: blur(6px);
  z-index: 9999; display: flex; align-items: center; justify-content: center;
  animation: fadeIn 0.25s ease;
}

@keyframes fadeIn { from{opacity:0} to{opacity:1} }

.buy-modal {
  background: white; border-radius: var(--radius-xl);
  padding: 48px 40px; text-align: center;
  max-width: 440px; width: 90%; box-shadow: var(--shadow-lg);
  animation: modalUp 0.35s cubic-bezier(0.4,0,0.2,1);
}

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

.buy-modal .modal-icon { font-size: 3rem; margin-bottom: 20px; }
.buy-modal h3 { font-size: 1.3rem; font-weight: 700; color: var(--dark); margin-bottom: 12px; }
.buy-modal p { font-size: 0.95rem; color: var(--gray-700); margin-bottom: 8px; line-height: 1.7; }

.buy-modal .contact-email {
  display: inline-block; font-size: 1rem; font-weight: 700;
  color: var(--primary); background: rgba(255,107,157,0.08);
  padding: 8px 20px; border-radius: 50px; margin: 16px 0;
}

.buy-modal .btn-close {
  margin-top: 20px; padding: 12px 36px;
  background: var(--gradient-primary); color: white;
  border: none; border-radius: 50px; font-size: 0.95rem;
  font-weight: 600; cursor: pointer; transition: var(--transition);
}
.buy-modal .btn-close:hover { transform: translateY(-2px); box-shadow: var(--shadow-glow); }

/* ============================================
   认证页面 (登录/注册)
   ============================================ */
.auth-page {
  min-height: 100vh;
  background: var(--gradient-hero);
  display: flex; align-items: center; justify-content: center;
  padding: 40px 20px; position: relative; overflow: hidden;
}

.auth-page::before {
  content: ''; position: absolute;
  top: -30%; right: -15%; width: 60%; height: 160%;
  background: radial-gradient(circle, rgba(255,107,157,0.1) 0%, transparent 70%);
}

.auth-card {
  background: white; border-radius: var(--radius-xl);
  padding: 48px 44px; max-width: 420px; width: 100%;
  box-shadow: 0 20px 60px rgba(0,0,0,0.3);
  position: relative; z-index: 1;
  animation: modalUp 0.5s cubic-bezier(0.4,0,0.2,1);
}

.auth-card .auth-logo {
  text-align: center; margin-bottom: 32px;
}

.auth-card .auth-logo .logo {
  font-size: 1.8rem; font-weight: 800; color: var(--dark);
  display: flex; align-items: center; justify-content: center; gap: 10px;
}

.auth-card h2 {
  text-align: center; font-size: 1.5rem; font-weight: 700;
  color: var(--dark); margin-bottom: 8px;
}

.auth-card .auth-subtitle {
  text-align: center; font-size: 0.9rem; color: var(--gray-500); margin-bottom: 32px;
}

.form-group { margin-bottom: 22px; }

.form-group label {
  display: block; font-size: 0.88rem; font-weight: 600;
  color: var(--gray-900); margin-bottom: 8px;
}

.form-group input {
  width: 100%; padding: 14px 16px;
  border: 2px solid var(--gray-300); border-radius: var(--radius-md);
  font-size: 0.95rem; color: var(--dark);
  transition: var(--transition); outline: none; background: var(--gray-100);
}

.form-group input:focus {
  border-color: var(--primary); background: white;
  box-shadow: 0 0 0 4px rgba(255,107,157,0.1);
}

.form-group select {
  width: 100%; padding: 14px 16px;
  border: 2px solid var(--gray-300); border-radius: var(--radius-md);
  font-size: 0.95rem; color: var(--dark); outline: none;
  background: var(--gray-100); cursor: pointer; transition: var(--transition);
}

.form-group select:focus {
  border-color: var(--primary); background: white;
  box-shadow: 0 0 0 4px rgba(255,107,157,0.1);
}

.form-error {
  color: #FF6B6B; font-size: 0.82rem; margin-top: 6px; display: none;
}

.form-error.visible { display: block; }

.btn-auth {
  width: 100%; padding: 14px; background: var(--gradient-primary);
  color: white; border: none; border-radius: var(--radius-md);
  font-size: 1rem; font-weight: 700; cursor: pointer;
  transition: var(--transition); margin-top: 8px;
}
.btn-auth:hover { transform: translateY(-2px); box-shadow: 0 6px 30px rgba(255,107,157,0.4); }
.btn-auth:disabled { opacity: 0.6; cursor: not-allowed; transform: none; }

.auth-footer {
  text-align: center; margin-top: 24px; font-size: 0.9rem; color: var(--gray-500);
}

.auth-footer a { color: var(--primary); font-weight: 600; transition: var(--transition); }
.auth-footer a:hover { text-decoration: underline; }

.auth-back {
  position: absolute; top: 24px; left: 24px;
  color: rgba(255,255,255,0.7); font-size: 0.9rem; z-index: 2;
  transition: var(--transition);
}
.auth-back:hover { color: white; }

.alert-toast {
  position: fixed; top: 24px; left: 50%; transform: translateX(-50%);
  padding: 14px 28px; border-radius: 50px;
  font-size: 0.9rem; font-weight: 600; z-index: 99999;
  animation: toastIn 0.3s ease;
  box-shadow: var(--shadow-md);
}

.alert-toast.success { background: #00C9A7; color: white; }
.alert-toast.error { background: #FF6B6B; color: white; }

@keyframes toastIn { from{opacity:0;transform:translateX(-50%) translateY(-20px)} to{opacity:1;transform:translateX(-50%) translateY(0)} }

/* ============ Responsive ============ */
@media (max-width:1024px) {
  .hero .container { grid-template-columns: 1fr; text-align: center; }
  .hero-content p { max-width: 100%; margin-left: auto; margin-right: auto; }
  .hero-buttons { justify-content: center; }
  .hero-visual { display: none; }
  .category-grid { grid-template-columns: repeat(3, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .pricing-grid { grid-template-columns: 1fr; max-width: 400px; margin: 0 auto; }
  .pricing-card.featured { transform: scale(1); }
  .pricing-card.featured:hover { transform: translateY(-8px); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .resource-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width:768px) {
  .category-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: 1fr 1fr; padding: 24px; gap: 16px; }
  .features-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .resource-grid { grid-template-columns: 1fr; }
  .section-title h2 { font-size: 1.8rem; }
  .hero-content h1 { font-size: 2.2rem; }
  .auth-card { padding: 36px 28px; }
}