/* variables.css */
:root {
  --primary: #6c5ce7;
  --primary-dark: #5649c0;
  --secondary: #00cec9;
  --dark: #2d3436;
  --light: #f5f6fa;
  --success: #00b894;
  --danger: #d63031;
  --warning: #fdcb6e;
  --info: #0984e3;
  --gradient: linear-gradient(135deg, var(--primary), var(--secondary));
}

/* reset.css */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

/* base.css */
body {
  background-color: #0f0f1a;
  color: var(--light);
  overflow-x: hidden;
  background-image: 
    radial-gradient(circle at 10% 20%, rgba(108, 92, 231, 0.1) 0%, transparent 20%),
    radial-gradient(circle at 90% 80%, rgba(0, 206, 201, 0.1) 0%, transparent 20%);
  line-height: 1.6;
}

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

.main-content {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* hero.css */
.hero {
  padding: 100px 0;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: var(--gradient);
  opacity: 0.1;
  z-index: -1;
  border-radius: 50%;
  animation: rotate 20s linear infinite;
}

@keyframes rotate {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.hero-content {
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.hero h2 {
  font-size: 3.5rem;
  margin-bottom: 20px;
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-weight: 800;
}

.hero p {
  font-size: 1.2rem;
  margin-bottom: 40px;
  opacity: 0.9;
}

/* form.css */
.proxy-form {
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(10px);
  border-radius: 20px;
  padding: 30px;
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.1);
  max-width: 800px;
  margin: 0 auto;
}

.input-group {
  margin-bottom: 20px;
}

.input-group input,
.input-group select {
  width: 100%;
  padding: 15px 20px;
  border-radius: 10px;
  border: none;
  background: rgba(255, 255, 255, 0.1);
  color: var(--light);
  font-size: 1rem;
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: all 0.3s ease;
}

.input-group input:focus,
.input-group select:focus {
  outline: none;
  border-color: var(--primary);
  background: rgba(255, 255, 255, 0.15);
  box-shadow: 0 0 0 3px rgba(108, 92, 231, 0.3);
}

.input-group input::placeholder {
  color: rgba(255, 255, 255, 0.5);
}

/* buttons.css */
.btn-generate {
  background: var(--gradient);
  color: white;
  border: none;
  padding: 15px 30px;
  border-radius: 10px;
  font-size: 1.1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  box-shadow: 0 4px 15px rgba(108, 92, 231, 0.4);
}

.btn-generate:hover {
  transform: translateY(-3px);
  box-shadow: 0 7px 20px rgba(108, 92, 231, 0.6);
}

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

.btn-copy,
.btn-download,
.btn-qr {
  padding: 10px 20px;
  border-radius: 8px;
  border: none;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  gap: 8px;
}

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

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

.btn-qr {
  background: var(--warning);
  color: var(--dark);
}

/* result.css */
.result-section {
  padding: 50px 0;
}

.result-box {
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(10px);
  border-radius: 20px;
  padding: 30px;
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.1);
  max-width: 800px;
  margin: 0 auto;
}

.result-box h3 {
  margin-bottom: 20px;
  font-size: 1.8rem;
  color: var(--secondary);
}

.result-content {
  margin-bottom: 20px;
}

#proxy-result {
  width: 100%;
  min-height: 150px;
  padding: 15px;
  border-radius: 10px;
  background: rgba(0, 0, 0, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: white;
  font-family: monospace;
  resize: none;
  margin-bottom: 20px;
}

.result-actions {
  display: flex;
  gap: 15px;
  justify-content: center;
}

.qr-container {
  margin-top: 30px;
  text-align: center;
}

/* features.css */
.features-section {
  padding: 80px 0;
}

.section-title {
  text-align: center;
  font-size: 2.5rem;
  margin-bottom: 50px;
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-weight: 800;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
}

.feature-card {
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(10px);
  border-radius: 15px;
  padding: 30px;
  text-align: center;
  transition: transform 0.3s ease;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.feature-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.3);
}

.feature-icon {
  font-size: 3rem;
  margin-bottom: 20px;
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.feature-card h3 {
  margin-bottom: 15px;
  font-size: 1.5rem;
}

.feature-card p {
  opacity: 0.8;
  font-size: 0.95rem;
}

/* tutorial.css */
.tutorial-section {
  padding: 80px 0;
}

.tutorial-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
  counter-reset: step-counter;
}

.step {
  position: relative;
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(10px);
  border-radius: 15px;
  padding: 30px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: transform 0.3s ease;
}

.step:hover {
  transform: translateY(-5px);
}

.step-number {
  position: absolute;
  top: -20px;
  left: -20px;
  width: 50px;
  height: 50px;
  background: var(--gradient);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: bold;
  color: white;
  box-shadow: 0 5px 15px rgba(108, 92, 231, 0.4);
}

.step-content {
  padding-top: 15px;
}

.step-content h3 {
  margin-bottom: 15px;
  font-size: 1.3rem;
  color: var(--secondary);
}

.step-content p {
  opacity: 0.8;
}

/* footer.css */
.footer {
  background: rgba(0, 0, 0, 0.3);
  padding: 50px 0 20px;
  margin-top: 80px;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 40px;
  margin-bottom: 40px;
}

.footer-section h3 {
  font-size: 1.5rem;
  margin-bottom: 20px;
  color: var(--secondary);
}

.footer-section p {
  opacity: 0.8;
  margin-bottom: 15px;
}

.footer-section ul {
  list-style: none;
}

.footer-section ul li {
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.footer-section a {
  color: var(--light);
  text-decoration: none;
  transition: color 0.3s ease;
}

.footer-section a:hover {
  color: var(--secondary);
}

.footer-bottom {
  text-align: center;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  opacity: 0.7;
}

/* responsive.css */
@media (max-width: 768px) {
  .hero h2 {
    font-size: 2.5rem;
  }
  
  .hero p {
    font-size: 1rem;
  }
  
  .proxy-form {
    padding: 20px;
  }
  
  .section-title {
    font-size: 2rem;
  }
  
  .result-actions {
    flex-direction: column;
  }
  
  .btn-copy,
  .btn-download,
  .btn-qr {
    width: 100%;
    justify-content: center;
  }
}

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

.fade-in {
  animation: fadeIn 0.8s ease forwards;
}

.delay-1 { animation-delay: 0.2s; }
.delay-2 { animation-delay: 0.4s; }
.delay-3 { animation-delay: 0.6s; }
.delay-4 { animation-delay: 0.8s; }