/* Base styles */
:root {
  --gradient-start: #000000;
  --gradient-end: #3b82f6;
  --primary: #4f46e5;
  --primary-hover: #4338ca;
  --white: #ffffff;
  --black: #000000;
  --gray-50: #f8fafc;
  --gray-100: #f1f5f9;
  --gray-200: #e2e8f0;
  --gray-300: #cbd5e1;
  --gray-400: #94a3b8;
  --gray-500: #64748b;
  --gray-600: #475569;
  --gray-700: #334155;
  --gray-800: #1e293b;
  --gray-900: #0f172a;
}

  
  * {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }
  
  body {
    min-height: 100vh;
    background: linear-gradient(135deg, var(--gradient-start) 0%, #c30c0c 100%);
    color: var(--gray-900);
    line-height: 1.5;
  }

  /* Header styles */
  .header {
    background-color: rgb(255 0 0 / 10%);
    backdrop-filter: blur(10px);
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  }
  
  .logo {
    color: var(--white);
    font-size: 1.5rem;
    font-weight: 700;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.75rem;
  }
  
  .logo img {
    height: 4rem;
    width: auto;
  }
  
  .auth-button {
    background-color: #e54646;
    text-decoration: none;
    color: var(--white);
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    font-weight: 600;
    font-size: 0.875rem;
    cursor: pointer;
    transition: all 0.2s;
    text-align: center;
}

.auth-button:hover {
    background-color: #7f0000;
    text-decoration: none;
}

.auth-links {
  margin-top: 1.5rem;
  text-align: center;
  font-size: 0.875rem;
}

.auth-links a {
  color: var(--primary);
  text-decoration: none;
}

.auth-links a:hover {
  text-decoration: underline;
}

/* Error message styles */
.error-message {
  background-color: #fee2e2;
  border: 1px solid #fecaca;
  color: #dc2626;
  padding: 0.75rem 1rem;
  border-radius: 0.5rem;
  margin-bottom: 1rem;
  font-size: 0.875rem;
  display: none;
}

.error-message.show {
  display: block;
}

/* Footer styles */
.footer {
  text-align: center;
  padding: 2rem;
  color: rgba(255, 255, 255, 0.9);
  font-size: 0.875rem;
  margin-top: auto;
}

  .logout-btn {
    background-color: #b90000;
    color: var(--white);
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    font-weight: 600;
    font-size: 0.875rem;
    cursor: pointer;
    transition: all 0.2s;
    text-align: center;
  }
  
  .logout-btn:hover {
    background-color: var(--primary-hover);
  }
  
  /* Container styles */
  .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem 1rem;
  }
  
  /* Home page styles */
  .home-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 4rem 1rem;
    text-align: center;
  }
  
  .home-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 800;
    color: var(--white);
    margin-bottom: 1.5rem;
    line-height: 1.2;
  }
  
  .home-subtitle {
    font-size: clamp(1rem, 3vw, 1.25rem);
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 3rem;
    max-width: 42rem;
    margin-left: auto;
    margin-right: auto;
  }
  
  /* Form styles */
  .url-form {
    background-color: var(--white);
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    max-width: 42rem;
    margin: 2rem auto;
  }
  
  .url-input-group {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
  }
  
  .url-input {
    flex: 1;
    padding: 0.75rem 1rem;
    border: 1px solid var(--gray-200);
    border-radius: 0.5rem;
    font-size: 1rem;
    transition: all 0.2s;
  }
  
  .url-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
  }
  
  .shorten-button {
    background-color: #e54646;
    color: var(--white);
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
  }
  
  .shorten-button:hover {
    background-color: #710000;
    transform: translateY(-1px);
  }

  .copy-url-btn {
    background-color: var(--primary);
    color: var(--white);
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    margin-top: 1rem;
    width: 100%;
  }
  
  .copy-url-btn:hover {
    background-color: var(--primary-hover);
  }

  /* Result styles */
  .result {
    background-color: var(--gray-50);
    padding: 1.5rem;
    border-radius: 0.5rem;
    margin-top: 1.5rem;
    display: none;
  }
  
  .result.show {
    display: block;
  }
  
  .short-url {
    font-size: 1.25rem;
    color: var(--primary);
    font-weight: 600;
    margin: 0.5rem 0;
    word-break: break-all;
  }
  
  .copy-button {
    background-color: var(--primary);
    color: var(--white);
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
    font-weight: 500;
    font-size: 0.875rem;
    cursor: pointer;
    transition: all 0.2s;
  }
  
  .copy-button:hover {
    background-color: var(--primary-hover);
  }

  .short-url {
    font-size: 1.25rem;
    color: var(--primary);
    font-weight: 600;
    margin: 0.5rem 0;
    word-break: break-all;
  }
  
  /* Features section */
  .features {
    margin-top: 4rem;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    padding: 0 1rem;
  }
  
  .feature-card {
    background-color: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 2rem;
    border-radius: 1rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
    text-align: left;
  }
  
  .feature-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--white);
    margin-bottom: 0.75rem;
  }
  
  .feature-description {
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.875rem;
    line-height: 1.6;
  }
  
  /* Auth pages styles */

  .auth-page {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem 1rem;
}

.auth-container {
  width: 100%;
  max-width: 32rem;
}
  
.auth-card {
  background-color: var(--white);
  padding: 2rem;
  border-radius: 1rem;
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

.auth-header {
  text-align: center;
  margin-bottom: 2rem;
}

.logo-image {
  height: 40px;
  margin-bottom: 1.5rem;
}
  
.auth-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 0.5rem;
}

.auth-subtitle {
  color: var(--gray-500);
  font-size: 0.875rem;
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-group label {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--gray-700);
}

.form-group input {
  padding: 0.75rem 1rem;
  border: 1px solid var(--gray-200);
  border-radius: 0.5rem;
  font-size: 1rem;
  transition: all 0.2s;
}

.form-group input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}
  
  /* Dashboard styles */
  .dashboard-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem 1rem;
  }
  
  .controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    gap: 1rem;
  }

  .add-backup-url-btn {
    display: block;
    margin: 20px auto;
    padding: 8px 16px;
    background-color: #4CAF50;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}

.add-backup-url-btn:hover {
    background-color: #45a049;
}

  .new-link-btn {
    background-color: var(--white);
    color: var(--primary);
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
  }
  
  .new-link-btn:hover {
    background-color: rgba(255, 255, 255, 0.9);
  }
  
  .search-box {
    padding: 0.75rem 1rem;
    border: 1px solid var(--gray-200);
    border-radius: 0.5rem;
    width: 100%;
    max-width: 20rem;
  }
  
  .links-table {
    background-color: var(--white);
    border-radius: 1rem;
    overflow: hidden;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  }
  
  .table-header {
    background-color: var(--gray-50);
    padding: 1rem 1.5rem;
    font-weight: 600;
    border-bottom: 1px solid var(--gray-200);
  }
  
  .links-list {
    width: 100%;
    border-collapse: collapse;
  }
  
  .links-list th,
  .links-list td {
    padding: 1rem 1.5rem;
    text-align: left;
    border-bottom: 1px solid var(--gray-200);
  }
  
  .links-list th {
    background-color: var(--gray-50);
    font-weight: 600;
    color: var(--gray-600);
  }
  
  .actions {
    display: flex;
    gap: 0.5rem;
  }
  
  .action-btn {
    padding: 0.5rem;
    border: none;
    background: none;
    cursor: pointer;
    color: var(--gray-600);
    transition: color 0.2s;
  }
  
  .action-btn:hover {
    color: var(--primary);
  }
  
  /* Modal styles */
  .modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    align-items: center;
    justify-content: center;
  }
  
  .modal.show {
    display: flex;
  }
  
  .modal-content {
    background-color: var(--white);
    padding: 2rem;
    border-radius: 1rem;
    width: 90%;
    max-width: 500px;
    justify-content: center;
    align-items: center;
  }
  
  .modal-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
  }
  
  .modal-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
  }
  
  .modal-form input {
    padding: 0.75rem 1rem;
    border: 1px solid var(--gray-200);
    border-radius: 0.5rem;
    font-size: 1rem;
  }
  
  .modal-form button {
    background-color: var(--primary);
    color: var(--white);
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
  }
  
  .modal-form button:hover {
    background-color: var(--primary-hover);
  }
  
  /* Responsive styles */
  @media (max-width: 768px) {
    .url-input-group {
      flex-direction: column;
    }
    
    .controls {
      flex-direction: column;
    }
    
    .search-box {
      max-width: none;
    }
    
    .links-table {
      overflow-x: auto;
    }
    
    .links-list {
      min-width: 600px;
    }
  }
  
  @media (max-width: 640px) {
    .header {
      padding: 1rem;
    }
    
    .home-title {
      font-size: 2rem;
    }
    
    .home-subtitle {
      font-size: 1rem;
    }
    
    .features {
      grid-template-columns: 1fr;
    }
    
    .auth-container {
      margin: 2rem auto;
    }

    .new-link-btn,
    .header .auth-button {
      width: auto;
      text-align: center;
    }

    .add-backup-url-btn,
    .header .auth-button {
      width: auto;
      text-align: center;
    }

    .url-form {
      padding: 1.5rem;
    }
  }

  /* Responsive styles */
@media (max-width: 640px) {
  .auth-card {
      padding: 1.5rem;
  }

  .auth-title {
      font-size: 1.25rem;
  }

  .auth-subtitle {
      font-size: 0.75rem;
  }

  .form-group input {
      font-size: 0.875rem;
  }

  .auth-button {
      font-size: 0.75rem;
  }
}

  
  /* Footer styles */
  .footer {
    text-align: center;
    padding: 2rem;
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.875rem;
    margin-top: auto;
  }
  
  /* Utility classes */
  .error-message {
    background-color: #fee2e2;
    border: 1px solid #fecaca;
    color: #dc2626;
    padding: 0.75rem 1rem;
    border-radius: 0.5rem;
    margin-bottom: 1rem;
    font-size: 0.875rem;
    display: none;
  }
  
  .error-message.show {
    display: block;
  }
  
  .success-message {
    background-color: #dcfce7;
    border: 1px solid #bbf7d0;
    color: #16a34a;
    padding: 0.75rem 1rem;
    border-radius: 0.5rem;
    margin-bottom: 1rem;
    font-size: 0.875rem;
    display: none;
  }
  
  .success-message.show {
    display: block;
  }

  /* Register page specific styles */
main {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2rem 1rem;
  background: linear-gradient(135deg, var(--gradient-start) 0%, #c30c0c 100%);
}

main .logo {
  width: auto;
  height: 2.5rem;
  margin-bottom: 2rem;
}

.register-container {
  background-color: var(--white);
  padding: 2rem;
  border-radius: 1rem;
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
  width: 100%;
  max-width: 28rem;
  margin: 0 auto;
}

.register-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 1rem;
  text-align: center;
}

.register-form {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-top: 2rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-group label {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--gray-700);
}

.form-group input {
  padding: 0.75rem 1rem;
  border: 1px solid var(--gray-200);
  border-radius: 0.5rem;
  font-size: 1rem;
  transition: all 0.2s;
  width: 100%;
}

.form-group input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

.register-btn {
  background-color: var(--primary);
  color: var(--white);
  border: none;
  padding: 0.75rem 1.5rem;
  border-radius: 0.5rem;
  font-weight: 600;
  font-size: 0.875rem;
  cursor: pointer;
  transition: all 0.2s;
  width: 100%;
  margin-top: 0.5rem;
}

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

.links {
  margin-top: 1.5rem;
  text-align: center;
  font-size: 0.875rem;
}

.links a {
  color: var(--primary);
  text-decoration: none;
  font-weight: 500;
}

.links a:hover {
  text-decoration: underline;
}

.error-message {
  background-color: #fee2e2;
  border: 1px solid #fecaca;
  color: #dc2626;
  padding: 0.75rem 1rem;
  border-radius: 0.5rem;
  margin-bottom: 1rem;
  font-size: 0.875rem;
  display: none;
}

.error-message.show {
  display: block;
}

.footer {
  text-align: center;
  padding: 2rem;
  color: rgba(255, 255, 255, 0.9);
  font-size: 0.875rem;
  margin-top: auto;
}

/* Responsive styles */
@media (max-width: 640px) {
  .register-container {
    padding: 1.5rem;
  }

  .register-title {
    font-size: 1.25rem;
  }

  main {
    padding: 1rem;
  }
}

/* Add these styles to your existing CSS file */
.backup-urls-container {
  max-width: 800px;
  margin: 0 auto;
  padding: 20px;
}

.backup-urls-list {
  width: 100%;
  margin: 15px 0;
}

.backup-urls-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px;
  margin-bottom: 10px;
  background: #f8f9fa;
  border-radius: 8px;
  flex-wrap: wrap;
}

@media (max-width: 768px) {
  .backup-urls-list li {
      flex-direction: column;
      align-items: flex-start;
  }
  
  .backup-urls-list li button {
      margin-top: 10px;
  }
}

.backup-urls-container h4 {
  text-align: center;
  margin-bottom: 20px;
}

.switch-url-btn,
.delete-backup-btn {
  padding: 6px 12px;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-size: 14px;
  transition: background-color 0.2s;
}

.switch-url-btn {
  background-color: #4CAF50;
  color: white;
}

.delete-backup-btn {
  background-color: #f44336;
  color: white;
}

.switch-url-btn:hover {
  background-color: #45a049;
}

.delete-backup-btn:hover {
  background-color: #da190b;
}