/* Enhanced Main CSS for FUNO Project */
/* Modern Design System with Enhanced UI/UX */

/* ===== CSS RESET & BASE ===== */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Gotham", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  color: #374151;
  background-color: #fafafa;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ===== ENHANCED DESIGN TOKENS ===== */
:root {
  /* Enhanced Color Palette */
  --color-primary-50: #fff7ed;
  --color-primary-100: #ffedd5;
  --color-primary-200: #fed7aa;
  --color-primary-300: #fdba74;
  --color-primary-400: #fb923c;
  --color-primary-500: #f97316;
  --color-primary-600: #ea580c;
  --color-primary-700: #c2410c;
  --color-primary-800: #9a3412;
  --color-primary-900: #7c2d12;

  /* Neutral Palette */
  --color-neutral-50: #fafafa;
  --color-neutral-100: #f5f5f5;
  --color-neutral-200: #e5e5e5;
  --color-neutral-300: #d4d4d4;
  --color-neutral-400: #a3a3a3;
  --color-neutral-500: #737373;
  --color-neutral-600: #525252;
  --color-neutral-700: #404040;
  --color-neutral-800: #262626;
  --color-neutral-900: #171717;

  /* Semantic Colors */
  --color-success-50: #f0fdf4;
  --color-success-500: #10b981;
  --color-success-600: #059669;
  --color-error-50: #fef2f2;
  --color-error-500: #ef4444;
  --color-error-600: #dc2626;
  --color-warning-50: #fffbeb;
  --color-warning-500: #f59e0b;
  --color-warning-600: #d97706;
  --color-info-50: #eff6ff;
  --color-info-500: #3b82f6;
  --color-info-600: #2563eb;

  /* Enhanced Shadows */
  --shadow-xs: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-sm: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
  --shadow-2xl: 0 25px 50px -12px rgb(0 0 0 / 0.25);

  /* Enhanced Border Radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.375rem;
  --radius-lg: 0.5rem;
  --radius-xl: 0.75rem;
  --radius-2xl: 1rem;
  --radius-3xl: 1.5rem;
  --radius-full: 9999px;

  /* Enhanced Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 300ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===== ENHANCED TYPOGRAPHY ===== */
h1,
h2,
h3,
h4,
h5,
h6 {
  margin: 0;
  font-weight: 600;
  color: var(--color-neutral-900);
}


/* ===== ENHANCED BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  font-weight: 600;
  border-radius: var(--radius-lg);
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
  user-select: none;
  outline: none;
}

.btn:focus-visible {
  outline: 2px solid var(--color-primary-500);
  outline-offset: 2px;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

/* Button Variants */
.btn-primary {
  background: linear-gradient(135deg, var(--color-primary-500) 0%, var(--color-primary-600) 100%);
  color: white;
  border-color: var(--color-primary-600);
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--color-primary-600) 0%, var(--color-primary-700) 100%);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-primary:active {
  transform: translateY(0);
  box-shadow: var(--shadow-sm);
}

.btn-secondary {
  background: white;
  color: var(--color-neutral-700);
  border-color: var(--color-neutral-300);
  box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
  background: var(--color-neutral-50);
  border-color: var(--color-neutral-400);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-ghost {
  background: transparent;
  color: var(--color-neutral-600);
  border-color: transparent;
}

.btn-ghost:hover {
  background: var(--color-neutral-100);
  color: var(--color-neutral-800);
}

/* Button Sizes */
.btn-sm {
  padding: 0.5rem 1rem;
}

.btn-lg {
  padding: 1rem 2rem;
}

.btn-xl {
  padding: 1.25rem 2.5rem;
  font-weight: 700;
}

/* ===== ENHANCED FORMS ===== */
.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--color-neutral-700);
  margin-bottom: 0.5rem;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 0.875rem 1rem;
  color: var(--color-neutral-900);
  background: white;
  border: 2px solid var(--color-neutral-200);
  border-radius: var(--radius-lg);
  transition: all var(--transition-normal);
  outline: none;
  box-shadow: var(--shadow-xs);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--color-neutral-400);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--color-primary-500);
  box-shadow: 0 0 0 3px rgba(249, 115, 22, 0.1), var(--shadow-sm);
  transform: translateY(-1px);
}

.form-input:hover:not(:focus),
.form-select:hover:not(:focus),
.form-textarea:hover:not(:focus) {
  border-color: var(--color-neutral-300);
  box-shadow: var(--shadow-sm);
}

/* Form Validation States */
.form-input.is-valid,
.form-select.is-valid,
.form-textarea.is-valid {
  border-color: var(--color-success-500);
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='%2310b981'%3e%3cpath fill-rule='evenodd' d='M16.707 5.293a1 1 0 010 1.414l-8 8a1 1 0 01-1.414 0l-4-4a1 1 0 011.414-1.414L8 12.586l7.293-7.293a1 1 0 011.414 0z' clip-rule='evenodd'/%3e%3c/svg%3e");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  background-size: 1rem 1rem;
  padding-right: 2.5rem;
}

.form-input.is-invalid,
.form-select.is-invalid,
.form-textarea.is-invalid {
  border-color: var(--color-error-500);
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='%23ef4444'%3e%3cpath fill-rule='evenodd' d='M18 10a8 8 0 11-16 0 8 8 0 0116 0zM8.707 7.293a1 1 0 00-1.414 1.414L8.586 10l-1.293 1.293a1 1 0 101.414 1.414L10 11.414l1.293 1.293a1 1 0 001.414-1.414L11.414 10l1.293-1.293a1 1 0 00-1.414-1.414L10 8.586 8.707 7.293z' clip-rule='evenodd'/%3e%3c/svg%3e");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  background-size: 1rem 1rem;
  padding-right: 2.5rem;
}


.hideFlex {
  display: none;
}

/* ===== ENHANCED ANIMATIONS ===== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(2rem);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInScale {
  from {
    opacity: 0;
    transform: scale(0.95);
  }

  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(2rem);
  }

  to {
    opacity: 1;
    transform: translateX(0);
  }
}

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

.animate-fade-in-up {
  animation: fadeInUp 0.6s ease-out;
}

.animate-fade-in-scale {
  animation: fadeInScale 0.4s ease-out;
}

.animate-slide-in-right {
  animation: slideInRight 0.5s ease-out;
}

.animate-spin {
  animation: spin 1s linear infinite;
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 640px) {
  .btn {
    padding: 0.75rem 1.25rem;
  }

  .btn-lg {
    padding: 0.875rem 1.5rem;
  }

  .btn-xl {
    padding: 1rem 1.75rem;
  }

  .card {
    border-radius: var(--radius-lg);
    margin: 0.5rem;
  }


}

@media (min-width: 641px) and (max-width: 1024px) {
  .card {
    margin: 0.75rem;
  }
}

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

/* Focus management */
.focus-ring {
  outline: 2px solid transparent;
  outline-offset: 2px;
}

.focus-ring:focus-visible {
  outline-color: var(--color-primary-500);
}

/* 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;
  }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  .btn {
    border-width: 2px;
  }

  .form-input,
  .form-select,
  .form-textarea {
    border-width: 2px;
  }

  .card {
    border-width: 2px;
  }
}

/* ===== LEGACY COMPATIBILITY ===== */
/* Maintain compatibility with existing classes */
.bg-surface-50 {
  background-color: var(--color-neutral-50);
}

.bg-surface-100 {
  background-color: var(--color-neutral-100);
}

.bg-main {
  background-color: white;
}

.bg-dark {
  background-color: var(--color-neutral-900);
}

.bg-primary-500 {
  background-color: var(--color-primary-500);
}

.bg-primary-600 {
  background-color: var(--color-primary-600);
}

.text-main {
  color: white;
}

.text-secondary-800 {
  color: var(--color-neutral-800);
}

.text-secondary-600 {
  color: var(--color-neutral-600);
}

.text-secondary-700 {
  color: var(--color-neutral-700);
}

.text-secondary-500 {
  color: var(--color-neutral-500);
}

.border-border-light {
  border-color: var(--color-neutral-200);
}

.border-primary-500 {
  border-color: var(--color-primary-500);
}

.border-primary-600 {
  border-color: var(--color-primary-600);
}

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

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

.rounded-4xl {
  border-radius: var(--radius-3xl);
}

.interactive-hover {
  background-color: var(--color-neutral-50);
}

.success-600 {
  color: var(--color-success-600);
}

.success-600 {
  background-color: var(--color-success-600);
}

/* CAPTCHA visibility transitions */
.captcha-container {
  opacity: 1;
  max-height: 300px;
  overflow: hidden;
  transition: opacity 0.3s ease, max-height 0.5s ease, padding 0.3s ease, margin 0.3s ease, transform 0.3s ease;
  transform: translateY(0);
}

.captcha-container.captcha-hidden {
  opacity: 0;
  max-height: 0;
  padding-top: 0;
  padding-bottom: 0;
  margin-top: 0;
  margin-bottom: 0;
  transform: translateY(-10px);
  pointer-events: none;
}

/* Status message styling */
.captcha-status-message {
  opacity: 0;
  animation: fadeIn 0.3s ease forwards;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(-5px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Error styling */
#captcha-error {
  min-height: 1.5rem;
  transition: all 0.3s ease;
}

/* CAPTCHA image container */
#captcha-container {
  min-height: 80px;
  position: relative;
  transition: all 0.3s ease;
}

/* Loading animation */
#captcha-loading {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(249, 250, 251, 0.8);
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* CAPTCHA image */
#captcha-image {
  transition: opacity 0.3s ease;
}