/* Premium Authentication Styles */

:root {
  --auth-bezier: cubic-bezier(0.25, 0.1, 0.25, 1);
  --auth-duration: 250ms;
}

/* Base Layout */
.auth-page-wrapper {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg);
  padding: 2rem 1rem;
}

.auth-container {
  display: flex;
  width: 100%;
  max-width: 1100px;
  background: var(--color-bg-card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  position: relative;
  z-index: 1;
}

/* Left Side - Illustration */
.auth-illustration {
  flex: 1.2;
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 4rem;
  overflow: hidden;
  background-image: url('../images/auth-bg.png');
  background-size: cover;
  background-position: center;
}

.auth-illustration::before {
  display: none;
}

.auth-illustration-content {
  position: relative;
  z-index: 2;
  text-align: center;
}

.auth-diya-glow {
  width: 450px;
  height: 450px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.75) 0%, rgba(255, 255, 255, 0) 60%);
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 1;
  pointer-events: none;
  animation: pulseGlow 4s infinite alternate cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes pulseGlow {
  0% { transform: translate(-50%, -50%) scale(0.95); opacity: 0.8; }
  100% { transform: translate(-50%, -50%) scale(1.05); opacity: 1; }
}

.auth-illustration h2 {
  font-family: var(--font-heading);
  font-size: 2.8rem;
  color: var(--color-accent);
  margin-bottom: 1.2rem;
  text-shadow: 0 2px 10px rgba(255, 255, 255, 0.8);
}

.auth-illustration p {
  color: white;
  font-size: 1.15rem;
  line-height: 1.6;
  font-weight: 600;
  margin: 0 auto;
  max-width: 85%;
  text-shadow: 0 1px 6px rgba(0, 0, 0, 0.7);
}

/* Right Side - Forms */
.auth-form-wrapper {
  flex: 1;
  padding: 4rem 3rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
  background: var(--color-bg-card);
}

.auth-panel {
  width: 100%;
  max-width: 400px;
  margin: 0 auto;
  transition: opacity var(--auth-duration) var(--auth-bezier), transform var(--auth-duration) var(--auth-bezier);
}

.auth-panel.hidden {
  display: none;
  opacity: 0;
  transform: translateY(10px);
}

.auth-panel.active {
  display: block;
  opacity: 1;
  transform: translateY(0);
  animation: panelFadeIn var(--auth-duration) var(--auth-bezier) forwards;
}

@keyframes panelFadeIn {
  from { opacity: 0; transform: translateY(15px); }
  to { opacity: 1; transform: translateY(0); }
}

.auth-header {
  text-align: center;
  margin-bottom: 2.5rem;
}

.auth-logo {
  width: 50px;
  height: 50px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 800;
  font-size: 1.5rem;
  margin: 0 auto 1.5rem;
  box-shadow: var(--shadow-gold);
}

.auth-header h3 {
  font-size: 1.8rem;
  color: var(--color-text);
  margin-bottom: 0.5rem;
}

.auth-header p {
  font-size: 0.9rem;
  color: var(--color-text-light);
}

/* Floating Inputs */
.input-group {
  position: relative;
  margin-bottom: 1.5rem;
}

.input-field {
  width: 100%;
  padding: 14px 16px;
  border: 1.5px solid rgba(0, 0, 0, 0.1);
  border-radius: var(--radius-sm);
  background: transparent;
  font-family: inherit;
  font-size: 1rem;
  color: var(--color-text);
  transition: border-color var(--auth-duration) var(--auth-bezier), box-shadow var(--auth-duration) var(--auth-bezier);
}

.input-field:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 4px rgba(243, 112, 34, 0.1);
}

.input-label {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  background: var(--color-bg-card);
  padding: 0 4px;
  color: var(--color-text-light);
  font-size: 0.95rem;
  transition: transform var(--auth-duration) var(--auth-bezier), color var(--auth-duration) var(--auth-bezier), font-size var(--auth-duration) var(--auth-bezier);
  pointer-events: none;
}

.input-field:focus ~ .input-label,
.input-field:not(:placeholder-shown) ~ .input-label {
  transform: translateY(-200%) scale(0.85);
  color: var(--color-primary);
}

.password-toggle {
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--color-text-light);
  cursor: pointer;
  padding: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.password-toggle:hover {
  color: var(--color-text);
}

/* Validation Styling */
.input-group.error .input-field {
  border-color: #e53e3e;
}
.input-group.error .input-label {
  color: #e53e3e;
}
.input-error-msg {
  color: #e53e3e;
  font-size: 0.75rem;
  margin-top: 4px;
  display: none;
}
.input-group.error .input-error-msg {
  display: block;
  animation: fadeIn 0.2s ease;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* Form Options */
.form-options {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
  font-size: 0.9rem;
}

.checkbox-container {
  display: flex;
  align-items: center;
  cursor: pointer;
  user-select: none;
  color: var(--color-text-light);
}

.checkbox-container input {
  position: absolute;
  opacity: 0;
  cursor: pointer;
  height: 0;
  width: 0;
}

.checkmark {
  height: 18px;
  width: 18px;
  background-color: transparent;
  border: 1.5px solid rgba(0, 0, 0, 0.2);
  border-radius: 4px;
  margin-right: 8px;
  position: relative;
  transition: all var(--auth-duration) ease;
}

.checkbox-container:hover input ~ .checkmark {
  border-color: var(--color-primary);
}

.checkbox-container input:checked ~ .checkmark {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
}

.checkmark:after {
  content: "";
  position: absolute;
  display: none;
  left: 5px;
  top: 2px;
  width: 4px;
  height: 8px;
  border: solid white;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

.checkbox-container input:checked ~ .checkmark:after {
  display: block;
  animation: checkAnim 0.2s ease-in-out forwards;
}

@keyframes checkAnim {
  0% { height: 0; width: 0; opacity: 0; }
  100% { height: 8px; width: 4px; opacity: 1; }
}

.forgot-link {
  color: var(--color-primary);
  font-weight: 600;
  position: relative;
}

.forgot-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--color-primary);
  transition: width var(--auth-duration) ease;
}

.forgot-link:hover::after {
  width: 100%;
}

/* Buttons */
.auth-btn {
  width: 100%;
  padding: 14px;
  border: none;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: white;
  font-family: inherit;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: transform var(--auth-duration) ease, box-shadow var(--auth-duration) ease;
  box-shadow: var(--shadow-sm);
}

.auth-btn:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.auth-btn:disabled {
  background: #ccc;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.btn-spinner {
  display: none;
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255,255,255,0.3);
  border-radius: 50%;
  border-top-color: #fff;
  animation: spin 1s linear infinite;
  margin-right: 8px;
  vertical-align: middle;
}

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

.auth-btn.loading .btn-spinner {
  display: inline-block;
}

/* Divider */
.auth-divider {
  display: flex;
  align-items: center;
  text-align: center;
  margin: 1.5rem 0;
  color: var(--color-text-light);
  font-size: 0.85rem;
}

.auth-divider::before,
.auth-divider::after {
  content: '';
  flex: 1;
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
}

.auth-divider:not(:empty)::before { margin-right: .5em; }
.auth-divider:not(:empty)::after { margin-left: .5em; }

/* Social Login */
.social-btn {
  width: 100%;
  padding: 12px;
  border: 1.5px solid rgba(0, 0, 0, 0.1);
  border-radius: var(--radius-sm);
  background: white;
  color: var(--color-text);
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  transition: background var(--auth-duration) ease, border-color var(--auth-duration) ease;
}

.social-btn:hover {
  background: #f8f9fa;
  border-color: rgba(0, 0, 0, 0.2);
}

.social-btn img {
  width: 20px;
  height: 20px;
}

/* Bottom Actions */
.auth-bottom {
  text-align: center;
  margin-top: 2rem;
  font-size: 0.95rem;
  color: var(--color-text-light);
}

.auth-link {
  color: var(--color-primary);
  font-weight: 700;
  cursor: pointer;
}

.auth-link:hover {
  text-decoration: underline;
}

/* Responsive */
@media (max-width: 900px) {
  .auth-container {
    flex-direction: column;
    max-width: 500px;
  }
  
  .auth-illustration {
    display: none;
  }
  
  .auth-form-wrapper {
    padding: 3rem 2rem;
  }
}