/* =========================================
   BNI 최강챕터 - Design System
   Main Color: Red (#D6001C)
   Mobile-First Responsive Design
   ========================================= */

/* CSS Variables */
:root {
  /* Primary Colors */
  --color-primary: #D6001C;
  --color-primary-dark: #A40014;
  --color-primary-light: #FF3344;
  
  /* Neutral Colors */
  --color-gray-900: #1A1A1A;
  --color-gray-800: #2D2D2D;
  --color-gray-700: #4A4A4A;
  --color-gray-600: #666666;
  --color-gray-500: #888888;
  --color-gray-400: #AAAAAA;
  --color-gray-300: #CCCCCC;
  --color-gray-200: #E5E5E5;
  --color-gray-100: #F5F5F5;
  --color-white: #FFFFFF;
  
  /* Semantic Colors */
  --color-success: #28A745;
  --color-warning: #FFC107;
  --color-error: #DC3545;
  --color-info: #17A2B8;
  
  /* Typography */
  --font-family: 'Noto Sans KR', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
  
  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  
  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-full: 9999px;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.15);
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-normal: 250ms ease;
  --transition-slow: 350ms ease;
  
  /* Container */
  --container-max: 1200px;
  --container-padding: 1rem;
}

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

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

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--color-gray-900);
  background-color: var(--color-gray-100);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

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

ul, ol {
  list-style: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

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

/* Container */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.3;
  color: var(--color-gray-900);
}

h1 { font-size: var(--font-size-3xl); }
h2 { font-size: var(--font-size-2xl); }
h3 { font-size: var(--font-size-xl); }
h4 { font-size: var(--font-size-lg); }
h5 { font-size: var(--font-size-base); }
h6 { font-size: var(--font-size-sm); }

@media (min-width: 768px) {
  h1 { font-size: var(--font-size-4xl); }
  h2 { font-size: var(--font-size-3xl); }
  h3 { font-size: var(--font-size-2xl); }
}

.text-primary { color: var(--color-primary); }
.text-muted { color: var(--color-gray-600); }
.text-center { text-align: center; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-size: var(--font-size-base);
  font-weight: 600;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  white-space: nowrap;
}

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

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

.btn-secondary {
  background-color: var(--color-white);
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

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

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

.btn-outline:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.btn-sm {
  padding: var(--space-2) var(--space-4);
  font-size: var(--font-size-sm);
}

.btn-lg {
  padding: var(--space-4) var(--space-8);
  font-size: var(--font-size-lg);
}

.btn-block {
  width: 100%;
}

.btn-icon {
  width: 44px;
  height: 44px;
  padding: 0;
  border-radius: var(--radius-full);
}

/* Cards */
.card {
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.card-body {
  padding: var(--space-6);
}

.card-img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

/* Header / Navigation */
.header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: var(--color-white);
  box-shadow: var(--shadow-sm);
}

.header-top {
  background-color: var(--color-primary);
  color: var(--color-white);
  padding: var(--space-2) 0;
  font-size: var(--font-size-sm);
}

.header-main {
  padding: var(--space-4) 0;
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.logo-text {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-primary);
}

.logo-sub {
  font-size: var(--font-size-xs);
  color: var(--color-gray-600);
}

/* Navigation */
.nav {
  display: none;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}

.nav-link {
  font-weight: 500;
  color: var(--color-gray-700);
  padding: var(--space-2) 0;
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-primary);
  transition: width var(--transition-fast);
}

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

.nav-link:hover,
.nav-link.active {
  color: var(--color-primary);
}

@media (min-width: 1024px) {
  .nav {
    display: block;
  }
  
  .mobile-menu-btn {
    display: none;
  }
}

/* Mobile Menu */
.mobile-menu-btn {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-2);
}

.mobile-menu-btn span {
  width: 24px;
  height: 2px;
  background-color: var(--color-gray-700);
  transition: all var(--transition-fast);
}

.mobile-menu {
  position: fixed;
  top: 0;
  right: -100%;
  width: 80%;
  max-width: 320px;
  height: 100vh;
  background-color: var(--color-white);
  box-shadow: var(--shadow-xl);
  z-index: 2000;
  transition: right var(--transition-normal);
  overflow-y: auto;
}

.mobile-menu.active {
  right: 0;
}

.mobile-menu-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-4) var(--space-6);
  border-bottom: 1px solid var(--color-gray-200);
}

.mobile-menu-close {
  font-size: var(--font-size-2xl);
  color: var(--color-gray-600);
}

.mobile-nav-list {
  padding: var(--space-4) 0;
}

.mobile-nav-link {
  display: block;
  padding: var(--space-4) var(--space-6);
  font-weight: 500;
  color: var(--color-gray-700);
  border-bottom: 1px solid var(--color-gray-100);
}

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

.mobile-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: 1500;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}

.mobile-overlay.active {
  opacity: 1;
  visibility: visible;
}

/* Hero Section */
.hero {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: var(--color-white);
  padding: var(--space-12) 0;
  text-align: center;
}

.hero h1 {
  color: var(--color-white);
  margin-bottom: var(--space-4);
}

.hero p {
  font-size: var(--font-size-lg);
  opacity: 0.9;
  margin-bottom: var(--space-8);
}

.hero-badge {
  display: inline-block;
  background-color: rgba(255, 255, 255, 0.2);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  margin-bottom: var(--space-4);
}

/* Banner Slider */
.banner-slider {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  margin: var(--space-8) 0;
}

.banner-track {
  display: flex;
  transition: transform var(--transition-slow);
}

.banner-slide {
  flex: 0 0 100%;
  position: relative;
}

.banner-slide img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

@media (min-width: 768px) {
  .banner-slide img {
    height: 300px;
  }
}

.banner-content {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--space-6);
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
  color: var(--color-white);
}

.banner-dots {
  display: flex;
  justify-content: center;
  gap: var(--space-2);
  margin-top: var(--space-4);
}

.banner-dot {
  width: 10px;
  height: 10px;
  border-radius: var(--radius-full);
  background-color: var(--color-gray-300);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.banner-dot.active {
  width: 24px;
  background-color: var(--color-primary);
}

.banner-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 40px;
  height: 40px;
  background-color: rgba(255, 255, 255, 0.9);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-lg);
  color: var(--color-gray-700);
  cursor: pointer;
  transition: all var(--transition-fast);
  z-index: 10;
}

.banner-nav:hover {
  background-color: var(--color-primary);
  color: var(--color-white);
}

.banner-nav.prev {
  left: var(--space-4);
}

.banner-nav.next {
  right: var(--space-4);
}

/* Section Styles */
.section {
  padding: var(--space-12) 0;
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-10);
}

.section-header h2 {
  margin-bottom: var(--space-3);
}

.section-header p {
  color: var(--color-gray-600);
  max-width: 600px;
  margin: 0 auto;
}

.section-bg {
  background-color: var(--color-white);
}

/* Category Grid */
.category-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
}

@media (min-width: 640px) {
  .category-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 1024px) {
  .category-grid {
    grid-template-columns: repeat(6, 1fr);
  }
}

.category-card {
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  cursor: pointer;
}

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

.category-icon {
  width: 60px;
  height: 60px;
  margin: 0 auto var(--space-4);
  background-color: var(--color-gray-100);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-2xl);
  color: var(--color-primary);
  transition: all var(--transition-fast);
}

.category-card:hover .category-icon {
  background-color: var(--color-primary);
  color: var(--color-white);
}

.category-name {
  font-weight: 600;
  font-size: var(--font-size-sm);
  color: var(--color-gray-700);
}

/* Member Cards */
.member-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

@media (min-width: 640px) {
  .member-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

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

.member-card {
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-normal);
}

.member-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

.member-img-wrapper {
  position: relative;
  height: 200px;
  overflow: hidden;
}

.member-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.member-badge {
  position: absolute;
  top: var(--space-3);
  left: var(--space-3);
  background-color: var(--color-primary);
  color: var(--color-white);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: 600;
}

.member-body {
  padding: var(--space-6);
}

.member-category {
  color: var(--color-primary);
  font-size: var(--font-size-sm);
  font-weight: 600;
  margin-bottom: var(--space-2);
}

.member-name {
  font-size: var(--font-size-xl);
  font-weight: 700;
  margin-bottom: var(--space-1);
}

.member-company {
  color: var(--color-gray-600);
  font-size: var(--font-size-sm);
  margin-bottom: var(--space-4);
}

.member-usp {
  font-size: var(--font-size-sm);
  color: var(--color-gray-700);
  line-height: 1.7;
  margin-bottom: var(--space-4);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.member-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}

.member-tag {
  background-color: var(--color-gray-100);
  color: var(--color-gray-700);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
}

.member-actions {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.member-action-btn {
  flex: 1;
  min-width: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  font-weight: 500;
  transition: all var(--transition-fast);
}

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

.member-action-btn.kakao {
  background-color: #FEE500;
  color: #000000;
}

.member-action-btn.web {
  background-color: var(--color-gray-800);
  color: var(--color-white);
}

.member-action-btn.sns {
  background-color: var(--color-primary);
  color: var(--color-white);
}

.member-action-btn:hover {
  opacity: 0.9;
  transform: scale(1.02);
}

/* Search Box */
.search-box {
  position: relative;
  max-width: 500px;
  margin: 0 auto var(--space-8);
}

.search-input {
  width: 100%;
  padding: var(--space-4) var(--space-6);
  padding-right: 60px;
  border: 2px solid var(--color-gray-200);
  border-radius: var(--radius-full);
  font-size: var(--font-size-base);
  transition: all var(--transition-fast);
}

.search-input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(214, 0, 28, 0.1);
}

.search-btn {
  position: absolute;
  right: var(--space-2);
  top: 50%;
  transform: translateY(-50%);
  width: 44px;
  height: 44px;
  background-color: var(--color-primary);
  color: var(--color-white);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Filter Tabs */
.filter-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  justify-content: center;
  margin-bottom: var(--space-8);
}

.filter-tab {
  padding: var(--space-2) var(--space-5);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-gray-600);
  background-color: var(--color-white);
  border: 1px solid var(--color-gray-200);
  transition: all var(--transition-fast);
}

.filter-tab:hover,
.filter-tab.active {
  background-color: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
}

/* Content with Sidebar Layout */
.content-with-sidebar {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
}

@media (min-width: 1024px) {
  .content-with-sidebar {
    grid-template-columns: 1fr 300px;
  }
}

.main-content-area {
  min-width: 0; /* Prevent grid overflow */
}

/* Sidebar Ads */
.sidebar-ads {
  display: none;
}

@media (min-width: 1024px) {
  .sidebar-ads {
    display: block;
  }
}

.sidebar-ad-header {
  background-color: var(--color-primary);
  color: var(--color-white);
  padding: var(--space-4);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  text-align: center;
}

.sidebar-ad-header h3 {
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--color-white);
}

.sidebar-ad-item {
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  margin-bottom: var(--space-4);
  transition: all var(--transition-normal);
}

.sidebar-ad-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.sidebar-ad-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.sidebar-ad-content {
  padding: var(--space-4);
}

.sidebar-ad-title {
  font-size: var(--font-size-base);
  font-weight: 600;
  margin-bottom: var(--space-2);
  color: var(--color-gray-900);
}

.sidebar-ad-description {
  font-size: var(--font-size-sm);
  color: var(--color-gray-600);
  margin-bottom: var(--space-3);
  line-height: 1.5;
}

.sidebar-ad-badge {
  display: inline-block;
  background-color: var(--color-primary);
  color: var(--color-white);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: 600;
}

/* Footer Ads Section */
.footer-ads-section {
  background-color: var(--color-gray-100);
  padding: var(--space-12) 0;
  border-top: 1px solid var(--color-gray-200);
}

.footer-ads-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

@media (min-width: 640px) {
  .footer-ads-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

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

.footer-ad-item {
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-normal);
  display: block;
}

.footer-ad-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.footer-ad-image {
  width: 100%;
  height: 150px;
  object-fit: cover;
}

.footer-ad-content {
  padding: var(--space-5);
}

.footer-ad-title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  margin-bottom: var(--space-2);
  color: var(--color-gray-900);
}

.footer-ad-description {
  font-size: var(--font-size-sm);
  color: var(--color-gray-600);
  line-height: 1.6;
  margin-bottom: var(--space-3);
}

.footer-ad-badge {
  display: inline-block;
  background-color: var(--color-primary);
  color: var(--color-white);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: 600;
}

/* CTA Section */
.cta-section {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: var(--color-white);
  padding: var(--space-16) 0;
  text-align: center;
}

.cta-section h2 {
  color: var(--color-white);
  margin-bottom: var(--space-4);
}

.cta-section p {
  opacity: 0.9;
  margin-bottom: var(--space-8);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.cta-buttons {
  display: flex;
  gap: var(--space-4);
  justify-content: center;
  flex-wrap: wrap;
}

.cta-btn-white {
  background-color: var(--color-white);
  color: var(--color-primary);
  padding: var(--space-4) var(--space-8);
  border-radius: var(--radius-md);
  font-weight: 600;
  transition: all var(--transition-fast);
}

.cta-btn-white:hover {
  background-color: var(--color-gray-100);
  color: var(--color-primary);
}

.cta-btn-outline {
  background-color: transparent;
  color: var(--color-white);
  padding: var(--space-4) var(--space-8);
  border-radius: var(--radius-md);
  border: 2px solid var(--color-white);
  font-weight: 600;
  transition: all var(--transition-fast);
}

.cta-btn-outline:hover {
  background-color: var(--color-white);
  color: var(--color-primary);
}

/* Footer */
.footer {
  background-color: var(--color-gray-900);
  color: var(--color-gray-400);
  padding: var(--space-12) 0 var(--space-8);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
  margin-bottom: var(--space-8);
}

@media (min-width: 768px) {
  .footer-grid {
    grid-template-columns: 2fr 1fr 1fr 1fr;
  }
}

.footer-brand h3 {
  color: var(--color-white);
  margin-bottom: var(--space-4);
}

.footer-title {
  color: var(--color-white);
  font-size: var(--font-size-base);
  font-weight: 600;
  margin-bottom: var(--space-4);
}

.footer-links li {
  margin-bottom: var(--space-3);
}

.footer-links a:hover {
  color: var(--color-white);
}

.footer-bottom {
  padding-top: var(--space-8);
  border-top: 1px solid var(--color-gray-800);
  text-align: center;
  font-size: var(--font-size-sm);
}

.footer-social {
  display: flex;
  gap: var(--space-4);
  margin-top: var(--space-4);
}

.footer-social a {
  width: 40px;
  height: 40px;
  background-color: var(--color-gray-800);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.footer-social a:hover {
  background-color: var(--color-primary);
  color: var(--color-white);
}

/* Form Styles */
.form-group {
  margin-bottom: var(--space-5);
}

.form-label {
  display: block;
  margin-bottom: var(--space-2);
  font-weight: 500;
  color: var(--color-gray-700);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--color-gray-300);
  border-radius: var(--radius-md);
  font-size: var(--font-size-base);
  transition: all var(--transition-fast);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(214, 0, 28, 0.1);
}

.form-textarea {
  min-height: 120px;
  resize: vertical;
}

/* Modal */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 3000;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
  padding: var(--space-4);
}

.modal.active {
  opacity: 1;
  visibility: visible;
}

.modal-content {
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  max-width: 500px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  transform: scale(0.9);
  transition: transform var(--transition-normal);
}

.modal.active .modal-content {
  transform: scale(1);
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-6);
  border-bottom: 1px solid var(--color-gray-200);
}

.modal-close {
  font-size: var(--font-size-2xl);
  color: var(--color-gray-500);
  cursor: pointer;
}

.modal-body {
  padding: var(--space-6);
}

/* Utility Classes */
.hidden { display: none !important; }
.visible { display: block !important; }
.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.flex-wrap { flex-wrap: wrap; }
.gap-2 { gap: var(--space-2); }
.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }
.mt-4 { margin-top: var(--space-4); }
.mt-8 { margin-top: var(--space-8); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-8 { margin-bottom: var(--space-8); }
.p-4 { padding: var(--space-4); }
.p-6 { padding: var(--space-6); }

/* Animations */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideUp {
  from { 
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-fadeIn {
  animation: fadeIn 0.5s ease forwards;
}

.animate-slideUp {
  animation: slideUp 0.5s ease forwards;
}

/* Loading Spinner */
.spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--color-gray-200);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(255, 255, 255, 0.9);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
}