/* Global Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --primary: #6366f1;
  --primary-dark: #4f46e5;
  --secondary: #8b5cf6;
  --accent: #ec4899;
  --bg-dark: #0f172a;
  --bg-darker: #020617;
  --text-light: #f1f5f9;
  --text-muted: #cbd5e1;
  --border-color: #1e293b;
  --success: #10b981;
  --error: #ef4444;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: linear-gradient(135deg, #0f172a 0%, #1a1f35 50%, #0f172a 100%);
  color: var(--text-light);
  overflow-x: hidden;
  min-height: 100vh;
}

html {
  scroll-behavior: smooth;
}

/* Animations */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

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

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

@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}

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

@keyframes glow {
  0%, 100% {
    box-shadow: 0 0 20px rgba(99, 102, 241, 0.5);
  }
  50% {
    box-shadow: 0 0 40px rgba(99, 102, 241, 0.8);
  }
}

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

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

/* Utility Classes */
.fade-in {
  animation: fadeIn 0.6s ease-out;
}

.slide-in-left {
  animation: slideInLeft 0.6s ease-out;
}

.slide-in-right {
  animation: slideInRight 0.6s ease-out;
}

.slide-in-up {
  animation: slideInUp 0.6s ease-out;
}

.slide-down {
  animation: slideDown 0.4s ease-out;
}

.pulse {
  animation: pulse 2s infinite;
}

.spinner {
  animation: spin 1s linear infinite;
}

.glow {
  animation: glow 2s ease-in-out infinite;
}

.count-up {
  animation: countUp 0.5s ease-out;
}

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Buttons */
.btn {
  padding: 12px 32px;
  border: none;
  border-radius: 8px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

.btn:active::before {
  width: 300px;
  height: 300px;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  color: white;
  box-shadow: 0 8px 24px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 32px rgba(99, 102, 241, 0.4);
}

.btn-primary:active {
  transform: translateY(-1px);
}

.btn-secondary {
  background: rgba(99, 102, 241, 0.1);
  color: var(--primary);
  border: 2px solid rgba(99, 102, 241, 0.3);
}

.btn-secondary:hover {
  background: rgba(99, 102, 241, 0.2);
  border-color: rgba(99, 102, 241, 0.5);
  transform: translateY(-2px);
}

.btn-disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none !important;
}

.btn-small {
  padding: 8px 20px;
  font-size: 14px;
}

/* Forms */
.form-group {
  margin-bottom: 20px;
  animation: slideInUp 0.4s ease-out;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: 500;
  color: var(--text-light);
  font-size: 14px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 2px solid var(--border-color);
  border-radius: 8px;
  background: rgba(30, 41, 59, 0.5);
  color: var(--text-light);
  font-size: 16px;
  font-family: inherit;
  transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  background: rgba(30, 41, 59, 0.8);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.form-group input::placeholder {
  color: var(--text-muted);
}

.form-group.error input,
.form-group.error textarea {
  border-color: var(--error);
}

.form-error {
  color: var(--error);
  font-size: 13px;
  margin-top: 4px;
  display: none;
}

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

/* Cards */
.card {
  background: rgba(20, 28, 50, 0.6);
  border: 1px solid rgba(99, 102, 241, 0.2);
  border-radius: 12px;
  padding: 24px;
  backdrop-filter: blur(10px);
  transition: all 0.3s ease;
}

.card:hover {
  border-color: rgba(99, 102, 241, 0.4);
  background: rgba(20, 28, 50, 0.8);
}

.card-header {
  margin-bottom: 16px;
  padding-bottom: 16px;
  border-bottom: 1px solid rgba(99, 102, 241, 0.2);
}

.card-header h3 {
  font-size: 20px;
  font-weight: 700;
  margin: 0;
}

/* Progress Bar */
.progress-container {
  margin-bottom: 40px;
  animation: slideDown 0.4s ease-out;
}

.progress-bar {
  height: 4px;
  background: rgba(99, 102, 241, 0.1);
  border-radius: 2px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  border-radius: 2px;
  transition: width 0.6s ease-out;
  box-shadow: 0 0 20px rgba(99, 102, 241, 0.5);
}

.progress-steps {
  display: flex;
  justify-content: space-between;
  margin-top: 8px;
  font-size: 13px;
  color: var(--text-muted);
}

.progress-steps .step {
  font-weight: 500;
}

.progress-steps .step.active {
  color: var(--primary);
}

/* Badge */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  background: rgba(16, 185, 129, 0.1);
  color: var(--success);
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.badge.error {
  background: rgba(239, 68, 68, 0.1);
  color: var(--error);
  border-color: rgba(239, 68, 68, 0.3);
}

/* Loading States */
.loading-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 60px 20px;
}

.spinner-large {
  width: 60px;
  height: 60px;
  border: 4px solid rgba(99, 102, 241, 0.2);
  border-top-color: var(--primary);
  border-right-color: var(--secondary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

.loading-text {
  margin-top: 20px;
  font-size: 18px;
  font-weight: 600;
  color: var(--text-light);
}

.loading-subtext {
  margin-top: 8px;
  font-size: 14px;
  color: var(--text-muted);
}

/* Modals */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  animation: fadeIn 0.3s ease-out;
}

.modal-content {
  background: var(--bg-dark);
  border: 1px solid rgba(99, 102, 241, 0.2);
  border-radius: 16px;
  padding: 40px;
  max-width: 500px;
  width: 90%;
  text-align: center;
  animation: slideInUp 0.4s ease-out;
}

/* Responsive */
@media (max-width: 768px) {
  .container {
    padding: 0 16px;
  }

  .btn {
    padding: 10px 24px;
    font-size: 15px;
  }

  .card {
    padding: 16px;
  }

  .modal-content {
    padding: 24px;
  }
}

/* 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-width: 0;
}

/* Selection */
::selection {
  background: rgba(99, 102, 241, 0.3);
  color: var(--text-light);
}

::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: rgba(99, 102, 241, 0.05);
}

::-webkit-scrollbar-thumb {
  background: rgba(99, 102, 241, 0.3);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(99, 102, 241, 0.5);
}