@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@700&family=Poppins:wght@400;500;600;700&family=Source+Code+Pro:wght@400;700&display=swap');

* {
  box-sizing: border-box;
}

/* Auth Container Base */
.auth-container {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  overflow: hidden;
  font-family: 'Poppins', sans-serif;
  transition: background-color 0.5s ease;
}

/* ==========================================
   MODERN THEME (Professional Redesign)
   ========================================== */
.auth-container.modern {
  background: #111;
  display: flex;
  justify-content: flex-start; /* Align form to the left */
  align-items: center;
  color: #fff;
}

/* Remove old ::before animation */
.auth-container.modern::before {
  display: none;
}

/* The right-side image panel */
.auth-container.modern::after {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: 55%; /* Asymmetric split */
  background-image: url('https://images.unsplash.com/photo-1511447333015-45b65e60f6d5?auto=format&fit=crop&q=80');
  background-size: cover;
  background-position: center;
  z-index: 1;
}

/* Position the form in the left panel, above the image */
.auth-container.modern .auth-form {
  position: relative;
  z-index: 2;
  background: transparent;
  backdrop-filter: none;
  border: none;
  box-shadow: none;
  padding: 40px;
  margin-left: 8%; /* Indent the form from the left edge */
  max-width: 480px;
}

.auth-container.modern .form-title {
  color: #ffffff;
  font-family: 'Playfair Display', serif;
  font-size: 3rem;
  font-weight: 700;
  letter-spacing: -1.5px;
  text-align: left;
}

.auth-container.modern .form-subtitle {
  color: #a0a0a0;
  text-align: left;
  margin-bottom: 48px;
}

.auth-container.modern .form-input {
  background: transparent;
  border: none;
  border-bottom: 1px solid #444;
  border-radius: 0;
  color: #ffffff;
  padding: 16px 16px 16px 50px; /* Keep padding for icon */
  font-family: 'Poppins', sans-serif;
  font-weight: 400;
  transition: border-color 0.3s ease;
}

.auth-container.modern .form-input::placeholder {
  color: #777;
}

.auth-container.modern .form-input:focus {
  border-color: #6366f1; /* Indigo color for focus */
  background: transparent;
  box-shadow: none;
  transform: none;
}

.auth-container.modern .input-icon {
  color: #888;
}

.auth-container.modern .submit-button {
  background: #6366f1; /* Solid indigo color */
  border-radius: 12px;
  box-shadow: 0 4px 14px 0 rgba(99, 102, 241, 0.3);
  transition: background 0.3s ease, box-shadow 0.3s ease;
}

.auth-container.modern .submit-button:hover:not(:disabled) {
  background: #4f46e5;
  box-shadow: 0 6px 20px 0 rgba(79, 70, 229, 0.35);
  transform: translateY(-2px);
}

.auth-container.modern .separator {
  color: #888;
}

.auth-container.modern .separator::before,
.auth-container.modern .separator::after {
  border-color: #444;
}

.auth-container.modern .oauth-button {
  background: transparent;
  border: 1px solid #444;
  color: #fff;
  transition: all 0.3s ease;
}

.auth-container.modern .oauth-button:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: #6366f1;
}

.auth-container.modern .oauth-button.github {
  background: transparent; /* Keep consistent */
}

.auth-container.modern .oauth-button.google {
    background: transparent;
    border: 1px solid #444;
    color: #fff;
}

.auth-container.modern .oauth-button.google:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: #6366f1;
}


/* ==========================================
   MINIMAL THEME (Polished Redesign with Subtle Neomorphism)
   ========================================== */
.auth-container.minimal {
  background-color: #eef0f4; /* Softer off-white for neomorphism */
  color: #111827;
  font-family: 'Poppins', sans-serif;
}

.auth-container.minimal .auth-form {
  background: transparent;
  box-shadow: none;
  border-radius: 0;
  padding: 0;
}

.auth-container.minimal .form-title {
  color: #111827;
  font-weight: 700;
  font-size: 2.25rem;
  letter-spacing: -1px;
}

.auth-container.minimal .form-subtitle {
  color: #6b7280;
  font-weight: 400;
}

.auth-container.minimal .form-input {
  background: #eef0f4; /* Match container background */
  border: none; /* Neomorphism uses shadows, not borders */
  border-radius: 12px;
  color: #111827;
  padding: 16px 16px 16px 50px;
  box-shadow: inset 5px 5px 10px #d8dade, inset -5px -5px 10px #ffffff; /* Subtle inset shadow */
  font-weight: 500;
  transition: all 0.3s ease;
}

.auth-container.minimal .form-input:focus {
  border-color: transparent; /* Override base focus */
  box-shadow: inset 2px 2px 5px #d8dade, inset -2px -2px 5px #ffffff;
}

.auth-container.minimal .input-icon {
  color: #9ca3af;
}

.auth-container.minimal .submit-button {
  border-radius: 12px;
  background: #6366f1;
  box-shadow: 5px 5px 10px #d8dade, -5px -5px 10px #ffffff; /* Subtle outset shadow */
  color: #fff;
  font-weight: 600;
  text-transform: none;
  transition: all 0.3s ease;
}

.auth-container.minimal .submit-button:hover:not(:disabled) {
  background: #4f46e5;
  box-shadow: 2px 2px 5px #d8dade, -2px -2px 5px #ffffff; /* Press-in effect on hover */
  transform: translateY(0);
}

.auth-container.minimal .submit-button:active:not(:disabled) {
  background: #4338ca;
  box-shadow: inset 2px 2px 5px #d8dade, inset -2px -2px 5px #ffffff; /* Full press-in on active */
  transform: translateY(0);
}

.auth-container.minimal .separator {
  color: #9ca3af;
}

.auth-container.minimal .separator::before,
.auth-container.minimal .separator::after {
  border-color: #e5e7eb;
}

.auth-container.minimal .oauth-button {
  border-radius: 12px;
  background: #eef0f4; /* Match container background */
  box-shadow: 5px 5px 10px #d8dade, -5px -5px 10px #ffffff; /* Subtle outset shadow */
  border: none;
  color: #374151;
  font-weight: 500;
  transition: all 0.3s ease;
}

.auth-container.minimal .oauth-button:hover {
  box-shadow: 2px 2px 5px #d8dade, -2px -2px 5px #ffffff;
  background: #eef0f4;
  border-color: transparent;
}

.auth-container.minimal .oauth-button.google {
    background: #eef0f4;
    color: #374151;
}

.auth-container.minimal .oauth-button.github {
    background: #eef0f4;
    color: #374151;
}


/* ==========================================
   COLORFUL THEME (Gumroad Inspired)
   ========================================== */
.auth-container.colorful {
  background: linear-gradient(45deg, #ff9a9e 0%, #fad0c4 99%, #fad0c4 100%);
  color: #000000;
  font-family: 'Poppins', sans-serif;
}

.auth-container.colorful .auth-form {
  background: #ffffff;
  border: 2px solid #000000;
  border-radius: 16px;
  box-shadow: 8px 8px 0px #000000;
}

.auth-container.colorful .form-title {
  color: #000000;
  font-family: 'Playfair Display', serif;
  font-weight: 700;
}

.auth-container.colorful .form-subtitle {
  color: #666;
}

.auth-container.colorful .form-input {
  border: 2px solid #000000;
  border-radius: 8px;
  background: #ffffff;
  color: #000000;
  font-weight: 500;
  padding-left: 50px;
  text-indent: 0;
}

.auth-container.colorful .form-input:focus {
  border-color: #4A00E0;
  box-shadow: 0 0 0 3px rgba(74, 0, 224, 0.4);
}

.auth-container.colorful .input-icon {
  color: #888;
}

.auth-container.colorful .submit-button {
  background-color: #ff90e8;
  color: #000000;
  border: 2px solid #000000;
  border-radius: 12px;
  font-weight: 700;
  box-shadow: 4px 4px 0 #000;
}

.auth-container.colorful .submit-button:hover:not(:disabled) {
  background-color: #FFD600;
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0 #000;
}

.auth-container.colorful .submit-button:active:not(:disabled) {
  transform: translate(2px, 2px);
  box-shadow: 2px 2px 0 #000;
}

.auth-container.colorful .separator {
  color: #888;
}

.auth-container.colorful .separator::before,
.auth-container.colorful .separator::after {
  border-color: #ddd;
}

.auth-container.colorful .oauth-button {
  border: 2px solid #000;
  border-radius: 12px;
  background: #fff;
  color: #000;
  font-weight: 600;
}

.auth-container.colorful .oauth-button:hover {
  border-color: #FFD600;
}

.auth-container.colorful .oauth-button.google {
    background-color: #fff;
    color: #000;
}

.auth-container.colorful .oauth-button.github {
    background-color: #24292e;
    color: #fff;
}

.auth-container.colorful .oauth-button.github:hover {
    background-color: #333;
    border-color: #000;
}


/* ==========================================
   FORM STYLES (BASE)
   ========================================== */
.auth-form {
  background: rgba(67, 68, 68, 0.8);
  backdrop-filter: blur(15px);
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 24px;
  padding: 100px 60px;
  width: 100%;
  max-width: 480px; /* Reduced max-width for a more compact form */
  box-shadow: 
    0 25px 50px rgba(0, 0, 0, 0.1),
    0 0 0 1px rgba(255, 255, 255, 0.05);
  position: relative;
  z-index: 1;
  transform: translateY(0);
  transition: all 0.4s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.auth-form:hover {
  transform: translateY(-5px);
  box-shadow: 
    0 35px 70px rgba(0, 0, 0, 0.15),
    0 0 0 1px rgba(255, 255, 255, 0.1);
}

/* Form Header */
.form-header {
  text-align: center;
  margin-bottom: 38px;
}

.form-title {
  font-size: 2.2rem;
  font-weight: 700;
  margin: 0 0 8px 0;
  transition: color 0.3s ease;
  font-family: 'Playfair Display', serif;
}

.form-subtitle {
  font-size: 1rem;
  margin: 0;
  font-weight: 400;
  transition: color 0.3s ease;
}

/* Input Groups */
.input-group {
  margin-bottom: 24px;
}

.input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.form-input {
  width: 100%;
  padding: 16px 20px 16px 50px;
  text-indent: 0px; /* Adjusted for icon padding */
  border: 1px solid rgba(0, 0, 0, 0.1);
  border-radius: 16px;
  font-size: 1rem;
  font-weight: 500;
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(10px);
  transition: all 0.3s ease;
  outline: none;
  color: #333;
}

.form-input:focus {
  border-color: #667eea;
  background: rgba(255, 255, 255, 0.95);
  box-shadow: 
    0 0 0 4px rgba(102, 126, 234, 0.1),
    0 8px 25px rgba(102, 126, 234, 0.15);
  transform: translateY(-2px);
}

.form-input.error {
  border-color: #ef4444 !important;
  background: rgba(239, 68, 68, 0.05);
}

.form-input.error:focus {
  box-shadow: 
    0 0 0 4px rgba(239, 68, 68, 0.1),
    0 8px 25px rgba(239, 68, 68, 0.15);
}

.input-icon {
  position: absolute;
  left: 18px; /* Standardized icon position */
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.1rem; /* Slightly larger icon */
  z-index: 2;
  pointer-events: none;
  color: #6b7280;
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0.8;
  transition: color 0.3s ease;
}

/* Error Messages */
.error-message {
  display: flex;
  align-items: center;
  gap: 8px;
  color: #ef4444;
  font-size: 0.875rem;
  font-weight: 500;
  margin-top: 8px;
  margin-left: 4px;
}

.error-icon {
  font-size: 1rem;
}

/* Submit Button */
.submit-button {
  width: 100%;
  padding: 18px 24px;
  color: white;
  border: none;
  border-radius: 16px;
  font-size: 1.1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.2, 0.8, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.submit-button:hover:not(:disabled) {
  transform: translateY(-3px);
  box-shadow: 0 15px 35px rgba(102, 126, 234, 0.4);
}

.submit-button:active:not(:disabled) {
  transform: translateY(0);
}

.submit-button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.button-content {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}

.button-icon {
  font-size: 1.2rem;
}

/* Loading Spinner */
.loading-spinner {
  width: 20px;
  height: 20px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top: 2px solid white;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}


/* ==========================================
   ANIMATIONS
   ========================================== */
@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* ==========================================
   RESPONSIVE DESIGN
   ========================================== */
@media (max-width: 768px) {
  .auth-form {
    padding: 40px 30px;
    border-radius: 20px;
  }

  .auth-container.minimal .auth-form {
    padding: 60px 40px;
    border-radius: 30px;
  }

  .form-title {
    font-size: 1.8rem;
  }

  .form-input {
    padding: 14px 18px 14px 50px;
  }

  .submit-button {
    padding: 16px 20px;
    font-size: 1rem;
  }
}

@media (max-width: 480px) {
  .auth-container {
    padding: 16px;
  }
  
  .auth-form {
    padding: 32px 24px;
    width: 100%;
    border-radius: 16px;
  }

  .auth-container.minimal .auth-form {
    padding: 40px 30px;
    border-radius: 20px;
    box-shadow: 10px 10px 30px #bebebe, -10px -10px 30px #ffffff;
  }

  .form-title {
    font-size: 1.6rem;
  }

  .form-subtitle {
    font-size: 0.9rem;
  }

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


/* ==========================================
   ACCESSIBILITY & FOCUS STATES
   ========================================== */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

.auth-form *:focus-visible {
  outline: 3px solid #667eea;
  outline-offset: 3px;
}

.auth-container.colorful .auth-form *:focus-visible {
  outline-color: #ff90e8;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  .auth-form, 
  .auth-container.minimal .auth-form {
    background: window;
    color: windowText;
    border: 2px solid windowText;
    box-shadow: none;
  }

  .form-input,
  .auth-container.minimal .form-input {
    background: window;
    color: windowText;
    border: 1px solid windowText;
    box-shadow: none;
  }

  .submit-button,
  .auth-container.minimal .submit-button {
    background: windowText;
    color: window;
    border: 1px solid window;
  }
}

/* OAuth Buttons */
.oauth-buttons {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 24px;
  width: 100%;
}

.oauth-button {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  width: 100%;
  padding: 14px;
  border: 1px solid rgba(0, 0, 0, 0.1);
  border-radius: 12px;
  background-color: #fff;
  color: #333;
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease-in-out;
  position: relative;
  overflow: hidden;
}

.oauth-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.oauth-button:active {
  transform: translateY(0);
}

.oauth-button.github {
  background-color: #24292e;
  color: #fff;
}

.oauth-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
}

.oauth-icon svg {
  width: 100%;
  height: 100%;
}

/* Separator */
.separator {
  display: flex;
  align-items: center;
  text-align: center;
  margin: 24px 0;
  color: #6b7280;
}

.separator::before,
.separator::after {
  content: '';
  flex: 1;
  border-bottom: 1px solid rgba(107, 114, 128, 0.2);
}

.separator span {
  margin: 0 12px;
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}


/* Media Queries for OAuth */
@media (max-width: 480px) {
  .oauth-buttons {
    gap: 10px;
    margin-bottom: 20px;
  }

  .oauth-button {
    padding: 12px;
    font-size: 0.95rem;
  }

  .separator {
    margin: 20px 0;
  }
}