/* ============================================================================
   JAPAN QUALITY DESIGN SYSTEM
   Dark premium theme with gold accents
   ============================================================================ */

/* ============================================================================
   1. CSS RESET AND VARIABLES
   ============================================================================ */

:root {
  /* Color palette */
  --primary-dark: #0a0a0f;
  --accent-gold: #d4af37;
  --text-light: #e8e8e8;
  --text-secondary: #b8b8b8;
  --border-dark: #1a1a2e;
  --hover-gold: #e6c547;
  --accent-light: #f5f5f0;

  /* Semantic variables */
  --color-bg: var(--primary-dark);
  --color-accent: var(--accent-gold);
  --color-text: var(--text-light);
  --color-border: var(--border-dark);

  /* Typography */
  --font-display: 'Bodoni Moda', serif;
  --font-body: 'Libre Franklin', sans-serif;
  --font-size-h1: 3.5rem;
  --font-size-h2: 2.8rem;
  --font-size-h3: 2.2rem;
  --font-size-h4: 1.8rem;
  --font-size-h5: 1.4rem;
  --font-size-h6: 1.1rem;
  --font-size-body: 1rem;
  --font-size-small: 0.875rem;
  --font-size-caption: 0.75rem;
  --line-height-tight: 1.2;
  --line-height-normal: 1.6;
  --line-height-loose: 1.8;

  /* Transitions */
  --transition-base: 200ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-fast: 150ms ease;
  --transition-slow: 300ms cubic-bezier(0.4, 0, 0.2, 1);

  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-xxl: 4rem;

  /* Border radius */
  --radius-sm: 2px;
  --radius-md: 4px;
  --radius-lg: 8px;
  --radius-xl: 12px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 12px 24px rgba(0, 0, 0, 0.5);
  --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.6);

  /* Accessibility */
  --touch-target: 44px;
  --focus-outline: 2px solid var(--accent-gold);
  --focus-offset: 2px;

  /* Z-index scale */
  --z-dropdown: 1000;
  --z-sticky: 100;
  --z-modal-backdrop: 1040;
  --z-modal: 1050;
  --z-toast: 1060;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
}

body {
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: var(--font-size-body);
  line-height: var(--line-height-normal);
  font-weight: 400;
  overflow-x: hidden;
}

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

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

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

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

/* ============================================================================
   2. TYPOGRAPHY SYSTEM
   ============================================================================ */

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: var(--line-height-tight);
  letter-spacing: -0.02em;
  margin-bottom: var(--space-md);
  color: var(--color-text);
}

h1 {
  font-size: var(--font-size-h1);
  margin-bottom: var(--space-lg);
}

h2 {
  font-size: var(--font-size-h2);
  margin-bottom: var(--space-lg);
}

h3 {
  font-size: var(--font-size-h3);
  margin-bottom: var(--space-md);
}

h4 {
  font-size: var(--font-size-h4);
  margin-bottom: var(--space-md);
}

h5 {
  font-size: var(--font-size-h5);
  margin-bottom: var(--space-sm);
}

h6 {
  font-size: var(--font-size-h6);
  margin-bottom: var(--space-sm);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
}

p {
  margin-bottom: var(--space-md);
}

p:last-child {
  margin-bottom: 0;
}

small,
.text-small {
  font-size: var(--font-size-small);
  color: var(--text-secondary);
}

.text-caption {
  font-size: var(--font-size-caption);
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.text-secondary {
  color: var(--text-secondary);
}

.text-accent {
  color: var(--accent-gold);
}

.text-light {
  color: var(--accent-light);
}

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

.text-right {
  text-align: right;
}

.text-left {
  text-align: left;
}

.font-display {
  font-family: var(--font-display);
  font-weight: 700;
}

.font-body {
  font-family: var(--font-body);
  font-weight: 400;
}

/* ============================================================================
   3. BUTTON STYLES
   ============================================================================ */

.cta-button,
.cta-outline,
.btn-sm,
.btn-lg,
button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: var(--touch-target);
  padding: var(--space-sm) var(--space-lg);
  border: none;
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: var(--font-size-body);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}

button:disabled,
.cta-button:disabled,
.cta-outline:disabled,
.btn-sm:disabled,
.btn-lg:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* CTA Button (primary) */
.cta-button {
  background-color: var(--accent-gold);
  color: var(--primary-dark);
  font-weight: 700;
  letter-spacing: 0.02em;
}

.cta-button:hover:not(:disabled) {
  background-color: var(--hover-gold);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.cta-button:active:not(:disabled) {
  transform: translateY(0);
  box-shadow: var(--shadow-sm);
}

.cta-button:focus-visible {
  outline: var(--focus-outline);
  outline-offset: var(--focus-offset);
}

/* CTA Outline Button (secondary) */
.cta-outline {
  background-color: transparent;
  color: var(--accent-gold);
  border: 2px solid var(--accent-gold);
}

.cta-outline:hover:not(:disabled) {
  background-color: rgba(212, 175, 55, 0.1);
  border-color: var(--hover-gold);
  color: var(--hover-gold);
}

.cta-outline:active:not(:disabled) {
  background-color: rgba(212, 175, 55, 0.05);
}

.cta-outline:focus-visible {
  outline: var(--focus-outline);
  outline-offset: var(--focus-offset);
}

/* Small button */
.btn-sm {
  padding: calc(var(--space-xs) * 0.75) var(--space-md);
  font-size: var(--font-size-small);
  min-height: auto;
  background-color: var(--border-dark);
  color: var(--text-light);
}

.btn-sm:hover:not(:disabled) {
  background-color: var(--accent-gold);
  color: var(--primary-dark);
}

.btn-sm:focus-visible {
  outline: var(--focus-outline);
  outline-offset: var(--focus-offset);
}

/* Large button */
.btn-lg {
  padding: var(--space-md) var(--space-xl);
  font-size: 1.1rem;
  min-height: auto;
  background-color: var(--accent-gold);
  color: var(--primary-dark);
  font-weight: 700;
}

.btn-lg:hover:not(:disabled) {
  background-color: var(--hover-gold);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-lg:active:not(:disabled) {
  transform: translateY(0);
  box-shadow: var(--shadow-md);
}

.btn-lg:focus-visible {
  outline: var(--focus-outline);
  outline-offset: var(--focus-offset);
}

/* ============================================================================
   4. LAYOUT UTILITIES
   ============================================================================ */

.container {
  width: 100%;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-lg);
  padding-right: var(--space-lg);
}

.container-sm {
  max-width: 640px;
}

.container-md {
  max-width: 800px;
}

.container-lg {
  max-width: 1200px;
}

.section {
  padding-top: var(--space-xxl);
  padding-bottom: var(--space-xxl);
}

.section-sm {
  padding-top: var(--space-xl);
  padding-bottom: var(--space-xl);
}

.section-lg {
  padding-top: 5rem;
  padding-bottom: 5rem;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-lg);
}

.flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
}

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

.flex-start {
  display: flex;
  align-items: flex-start;
}

.flex-column {
  display: flex;
  flex-direction: column;
}

.flex-gap-sm {
  gap: var(--space-sm);
}

.flex-gap-md {
  gap: var(--space-md);
}

.flex-gap-lg {
  gap: var(--space-lg);
}

.gap-sm {
  gap: var(--space-sm);
}

.gap-md {
  gap: var(--space-md);
}

.gap-lg {
  gap: var(--space-lg);
}

/* Spacing utilities */
.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }

.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }

.py-sm { padding-top: var(--space-sm); padding-bottom: var(--space-sm); }
.py-md { padding-top: var(--space-md); padding-bottom: var(--space-md); }
.py-lg { padding-top: var(--space-lg); padding-bottom: var(--space-lg); }

.px-sm { padding-left: var(--space-sm); padding-right: var(--space-sm); }
.px-md { padding-left: var(--space-md); padding-right: var(--space-md); }
.px-lg { padding-left: var(--space-lg); padding-right: var(--space-lg); }

/* ============================================================================
   5. CARD COMPONENTS
   ============================================================================ */

.card {
  background-color: var(--border-dark);
  border: 1px solid rgba(212, 175, 55, 0.1);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  transition: all var(--transition-base);
}

.card-hover {
  background-color: var(--border-dark);
  border: 1px solid rgba(212, 175, 55, 0.1);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  transition: all var(--transition-base);
  cursor: pointer;
}

.card-hover:hover {
  border-color: var(--accent-gold);
  background-color: rgba(212, 175, 55, 0.05);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.card-hover:focus-visible {
  outline: var(--focus-outline);
  outline-offset: var(--focus-offset);
}

.card-dark {
  background-color: rgba(0, 0, 0, 0.5);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  backdrop-filter: blur(10px);
}

.card-header {
  margin-bottom: var(--space-md);
}

.card-body {
  flex: 1;
}

.card-footer {
  margin-top: var(--space-md);
  padding-top: var(--space-md);
  border-top: 1px solid rgba(212, 175, 55, 0.1);
}

/* ============================================================================
   6. FORM ELEMENTS
   ============================================================================ */

input,
textarea,
select {
  width: 100%;
  padding: var(--space-sm);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-md);
  background-color: rgba(0, 0, 0, 0.3);
  color: var(--text-light);
  font-size: var(--font-size-body);
  transition: all var(--transition-base);
  min-height: var(--touch-target);
}

input::placeholder,
textarea::placeholder {
  color: var(--text-secondary);
}

input:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: var(--accent-gold);
  background-color: rgba(0, 0, 0, 0.5);
  box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.1);
}

input:disabled,
textarea:disabled,
select:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.form-group {
  margin-bottom: var(--space-lg);
}

.form-group:last-child {
  margin-bottom: 0;
}

label {
  display: block;
  margin-bottom: var(--space-sm);
  font-size: var(--font-size-small);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--text-light);
}

.input-error {
  border-color: #e74c3c;
}

.input-error:focus {
  box-shadow: 0 0 0 3px rgba(231, 76, 60, 0.1);
}

.error-message {
  display: block;
  margin-top: var(--space-xs);
  font-size: var(--font-size-small);
  color: #e74c3c;
}

.success-message {
  display: block;
  margin-top: var(--space-xs);
  font-size: var(--font-size-small);
  color: #27ae60;
}

textarea {
  min-height: 120px;
  resize: vertical;
  font-family: var(--font-body);
}

select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23d4af37' d='M1 4l5 4 5-4'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--space-sm) center;
  padding-right: var(--space-lg);
}

/* Checkbox and Radio styles */
input[type="checkbox"],
input[type="radio"] {
  width: auto;
  min-height: auto;
  margin-right: var(--space-sm);
  cursor: pointer;
  accent-color: var(--accent-gold);
}

.checkbox-group,
.radio-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

/* ============================================================================
   7. HEADER AND NAVIGATION
   ============================================================================ */

.header {
  background-color: var(--primary-dark);
  border-bottom: 1px solid var(--border-dark);
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
  padding-left: var(--space-lg);
  padding-right: var(--space-lg);
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent-gold);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.logo:hover {
  color: var(--hover-gold);
}

.logo-image {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
}

.nav {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  list-style: none;
}

.nav-item {
  position: relative;
}

.nav-link {
  display: flex;
  align-items: center;
  height: var(--touch-target);
  padding: 0 var(--space-md);
  color: var(--text-light);
  text-decoration: none;
  font-weight: 500;
  font-size: var(--font-size-small);
  transition: color var(--transition-fast);
}

.nav-link:hover {
  color: var(--accent-gold);
}

.nav-link.active {
  color: var(--accent-gold);
  border-bottom: 2px solid var(--accent-gold);
}

.nav-link:focus-visible {
  outline: var(--focus-outline);
  outline-offset: var(--focus-offset);
}

.nav-dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  background-color: var(--border-dark);
  border: 1px solid rgba(212, 175, 55, 0.1);
  border-radius: var(--radius-md);
  min-width: 200px;
  padding: var(--space-sm) 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all var(--transition-base);
  z-index: var(--z-dropdown);
}

.nav-item:hover .nav-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.nav-dropdown-item {
  display: block;
  padding: var(--space-sm) var(--space-lg);
  color: var(--text-light);
  text-decoration: none;
  transition: all var(--transition-fast);
}

.nav-dropdown-item:hover {
  background-color: rgba(212, 175, 55, 0.1);
  color: var(--accent-gold);
}

/* ============================================================================
   8. FOOTER STYLES
   ============================================================================ */

.footer {
  background-color: var(--border-dark);
  border-top: 1px solid rgba(212, 175, 55, 0.1);
  padding-top: var(--space-xxl);
  padding-bottom: var(--space-lg);
  margin-top: auto;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-lg);
  margin-bottom: var(--space-xxl);
}

.footer-section h6 {
  color: var(--accent-gold);
  margin-bottom: var(--space-md);
}

.footer-link {
  display: block;
  padding: var(--space-xs) 0;
  color: var(--text-secondary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer-link:hover {
  color: var(--accent-gold);
}

.footer-divider {
  border-top: 1px solid rgba(212, 175, 55, 0.1);
  margin: var(--space-lg) 0;
  padding-top: var(--space-lg);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-lg);
}

.footer-copyright {
  font-size: var(--font-size-small);
  color: var(--text-secondary);
}

.footer-socials {
  display: flex;
  gap: var(--space-md);
  list-style: none;
}

.footer-social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background-color: rgba(212, 175, 55, 0.1);
  color: var(--accent-gold);
  text-decoration: none;
  transition: all var(--transition-fast);
}

.footer-social-link:hover {
  background-color: var(--accent-gold);
  color: var(--primary-dark);
}

/* ============================================================================
   9. STATUS BADGES
   ============================================================================ */

.badge {
  display: inline-block;
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-caption);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  background-color: var(--border-dark);
  color: var(--text-light);
}

.badge-success {
  background-color: rgba(39, 174, 96, 0.2);
  color: #27ae60;
}

.badge-warning {
  background-color: rgba(241, 196, 15, 0.2);
  color: #f1c40f;
}

.badge-error {
  background-color: rgba(231, 76, 60, 0.2);
  color: #e74c3c;
}

.badge-info {
  background-color: rgba(52, 152, 219, 0.2);
  color: #3498db;
}

.badge-accent {
  background-color: rgba(212, 175, 55, 0.2);
  color: var(--accent-gold);
}

/* ============================================================================
   10. LOADING STATES
   ============================================================================ */

.spinner {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2px solid rgba(212, 175, 55, 0.2);
  border-top-color: var(--accent-gold);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

.spinner-lg {
  width: 40px;
  height: 40px;
  border-width: 3px;
}

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

.skeleton {
  background: linear-gradient(
    90deg,
    var(--border-dark) 0%,
    rgba(212, 175, 55, 0.1) 50%,
    var(--border-dark) 100%
  );
  background-size: 200% 100%;
  animation: shimmer 2s infinite;
  border-radius: var(--radius-md);
}

.skeleton-text {
  height: 1em;
  margin-bottom: var(--space-sm);
}

.skeleton-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
}

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

/* ============================================================================
   11. RESPONSIVE BREAKPOINTS
   ============================================================================ */

@media (max-width: 1024px) {
  :root {
    --font-size-h1: 2.8rem;
    --font-size-h2: 2.2rem;
    --font-size-h3: 1.8rem;
  }

  .container {
    padding-left: var(--space-lg);
    padding-right: var(--space-lg);
  }

  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }

  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }

  .section-lg {
    padding-top: 3rem;
    padding-bottom: 3rem;
  }
}

@media (max-width: 768px) {
  :root {
    --font-size-h1: 2.2rem;
    --font-size-h2: 1.8rem;
    --font-size-h3: 1.4rem;
    --font-size-body: 0.95rem;
    --space-xxl: 2.5rem;
    --space-xl: 2rem;
  }

  .container {
    padding-left: var(--space-md);
    padding-right: var(--space-md);
  }

  .header-content {
    height: 60px;
    padding-left: var(--space-md);
    padding-right: var(--space-md);
  }

  .nav {
    gap: var(--space-md);
  }

  .nav-link {
    padding: 0 var(--space-sm);
    font-size: var(--font-size-caption);
  }

  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }

  .flex-between {
    flex-wrap: wrap;
    gap: var(--space-md);
  }

  .section,
  .section-sm,
  .section-lg {
    padding-top: var(--space-xl);
    padding-bottom: var(--space-xl);
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }

  .cta-button,
  .btn-lg {
    width: 100%;
  }
}

@media (max-width: 480px) {
  :root {
    --font-size-h1: 1.8rem;
    --font-size-h2: 1.4rem;
    --font-size-h3: 1.1rem;
    --space-xl: 1.5rem;
    --space-lg: 1rem;
  }

  .container {
    padding-left: var(--space-md);
    padding-right: var(--space-md);
  }

  .logo {
    font-size: 1.2rem;
  }

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

  .nav-dropdown {
    position: fixed;
    top: auto;
    left: 0;
    right: 0;
    width: 100%;
    border-radius: 0;
  }

  .footer-content {
    grid-template-columns: 1fr;
  }
}

/* ============================================================================
   12. ACCESSIBILITY
   ============================================================================ */

.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background-color: var(--accent-gold);
  color: var(--primary-dark);
  padding: var(--space-sm) var(--space-md);
  text-decoration: none;
  z-index: 100;
  font-weight: 600;
}

.skip-link:focus {
  top: 0;
}

/* Reduced motion preferences */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* Focus visible styles */
*:focus-visible {
  outline: var(--focus-outline);
  outline-offset: var(--focus-offset);
}

/* High contrast mode support */
@media (prefers-contrast: more) {
  :root {
    --text-secondary: #d0d0d0;
    --border-dark: #2a2a3e;
  }

  a {
    text-decoration: underline;
  }
}

/* Dark mode (already default) */
@media (prefers-color-scheme: dark) {
  body {
    background-color: var(--color-bg);
    color: var(--color-text);
  }
}

/* ============================================================================
   13. ANIMATIONS
   ============================================================================ */

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

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

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

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

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

@keyframes goldShimmer {
  0% {
    text-shadow: 0 0 0 var(--accent-gold);
  }
  50% {
    text-shadow: 0 0 10px var(--accent-gold);
  }
  100% {
    text-shadow: 0 0 0 var(--accent-gold);
  }
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.95);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

.fade-in {
  animation: fadeIn var(--transition-base) ease-out;
}

.slide-up {
  animation: slideUp var(--transition-base) ease-out;
}

.slide-down {
  animation: slideDown var(--transition-base) ease-out;
}

.slide-in-left {
  animation: slideInLeft var(--transition-base) ease-out;
}

.slide-in-right {
  animation: slideInRight var(--transition-base) ease-out;
}

.gold-shimmer {
  animation: goldShimmer 2s ease-in-out infinite;
}

.scale-in {
  animation: scaleIn var(--transition-base) ease-out;
}

/* ============================================================================
   UTILITY CLASSES
   ============================================================================ */

.hidden {
  display: none !important;
}

.visible {
  display: block !important;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

.overflow-hidden {
  overflow: hidden;
}

.overflow-auto {
  overflow: auto;
}

.rounded {
  border-radius: var(--radius-lg);
}

.rounded-sm {
  border-radius: var(--radius-sm);
}

.rounded-md {
  border-radius: var(--radius-md);
}

.rounded-lg {
  border-radius: var(--radius-lg);
}

.rounded-xl {
  border-radius: var(--radius-xl);
}

.shadow {
  box-shadow: var(--shadow-md);
}

.shadow-sm {
  box-shadow: var(--shadow-sm);
}

.shadow-lg {
  box-shadow: var(--shadow-lg);
}

.shadow-xl {
  box-shadow: var(--shadow-xl);
}

.opacity-50 {
  opacity: 0.5;
}

.opacity-75 {
  opacity: 0.75;
}

.pointer-events-none {
  pointer-events: none;
}

.pointer-events-auto {
  pointer-events: auto;
}

.max-w-full {
  max-width: 100%;
}

.mx-auto {
  margin-left: auto;
  margin-right: auto;
}

.text-nowrap {
  white-space: nowrap;
}

.truncate {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.line-clamp-2 {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.line-clamp-3 {
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.border {
  border: 1px solid var(--border-dark);
}

.border-top {
  border-top: 1px solid var(--border-dark);
}

.border-bottom {
  border-bottom: 1px solid var(--border-dark);
}

.border-left {
  border-left: 1px solid var(--border-dark);
}

.border-right {
  border-right: 1px solid var(--border-dark);
}

.border-accent {
  border-color: var(--accent-gold);
}

.w-full {
  width: 100%;
}

.h-full {
  height: 100%;
}

.min-h-screen {
  min-height: 100vh;
}

.block {
  display: block;
}

.inline-block {
  display: inline-block;
}

.inline {
  display: inline;
}

.absolute {
  position: absolute;
}

.relative {
  position: relative;
}

.fixed {
  position: fixed;
}

.sticky {
  position: sticky;
}