/* Custom Font */
@font-face {
  font-family: 'Space Habitat';
  src: url('../../assets/font/DFVN MBF Space Habitat Regular.otf') format('opentype');
  font-weight: normal;
  font-style: normal;
  font-display: swap;
}

:root {
  --auth-bg: #0f0a1f;
  --auth-panel: #1b1233;
  --auth-input: #281b4f;
  --auth-text: #e5e7eb;
  --auth-muted: #a3a3a3;
  --auth-primary: #7c3aed;
  --auth-primary-2: #22d3ee;
  --auth-border: #3a2a6b;
}

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

/* Video Background */
.video-background {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
  opacity: 1;
  transition: opacity 1.5s ease-in-out;
}

.video-background::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(15, 10, 31, 0.7);
  z-index: 1;
}

body,
input {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
  background-color: #000000;
}

body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(15, 10, 31, 0.6);
  z-index: 0;
  pointer-events: none;
}

.container {
  position: relative;
  width: 100%;
  background-color: transparent;
  min-height: 100vh;
  overflow: hidden;
  z-index: 1;
}

.forms-container {
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
}

.signin-signup {
  position: absolute;
  top: 50%;
  transform: translate(-50%, -50%);
  left: 75%;
  width: 50%;
  transition: 1s 0.7s ease-in-out;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 5;
  padding: 20px 0;
  max-height: 95vh;
}

form {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  flex-direction: column;
  padding: 2.5rem 2rem;
  transition: all 0.2s 0.7s;
  overflow-y: auto;
  overflow-x: hidden;
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 24px;
  box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
  margin: 0 auto;
  position: relative;
  max-width: 450px;
  width: 90%;
  max-height: 90vh;
  scrollbar-width: none; /* Firefox */
  -ms-overflow-style: none; /* IE/Edge */
}

/* Hide scrollbar for Chrome, Safari, Opera */
form::-webkit-scrollbar {
  display: none;
}

form::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(circle at 20% 50%, rgba(124, 58, 237, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 50%, rgba(34, 211, 238, 0.1) 0%, transparent 50%);
  pointer-events: none;
  z-index: 0;
}

form > * {
  position: relative;
  z-index: 1;
}

form.sign-up-form {
  opacity: 0;
  z-index: 1;
  position: absolute;
}

form.sign-in-form {
  z-index: 2;
  position: relative;
}

/* Back to Home Button */
.back-home {
  position: absolute;
  top: 20px;
  left: 20px;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(15px);
  border: 2px solid rgba(255, 255, 255, 0.15);
  border-radius: 24px;
  color: rgba(255, 255, 255, 0.9);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 600;
  transition: all 0.3s ease;
  z-index: 10;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.back-home:hover {
  background: linear-gradient(135deg, rgba(124, 58, 237, 0.2) 0%, rgba(34, 211, 238, 0.2) 100%);
  border-color: #7c3aed;
  transform: translateX(-5px);
  box-shadow: 0 0 20px rgba(124, 58, 237, 0.4);
}

.back-home i {
  font-size: 1rem;
  transition: transform 0.3s ease;
}

.back-home:hover i {
  transform: translateX(-3px);
}

.form-logo {
  margin-bottom: 15px;
  animation: fadeInDown 0.8s ease;
}

.form-logo img {
  width: 80px;
  height: 80px;
  object-fit: contain;
  filter: drop-shadow(0 4px 12px rgba(124, 58, 237, 0.3));
  transition: transform 0.3s ease;
}

.form-logo img:hover {
  transform: scale(1.05) rotate(5deg);
}

.title {
  font-family: 'Space Habitat', sans-serif;
  font-size: 2.2rem;
  color: #fff;
  margin-bottom: 10px;
  font-weight: 800;
}

.input-field {
  max-width: 380px;
  width: 100%;
  background-color: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(15px);
  margin: 12px 0;
  height: 58px;
  min-height: 58px;
  max-height: 58px;
  border-radius: 28px;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 20px;
  position: relative;
  border: 2px solid rgba(255, 255, 255, 0.1);
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1), inset 0 1px 1px rgba(255, 255, 255, 0.1);
}

.input-field:focus-within {
  background: linear-gradient(135deg, rgba(124, 58, 237, 0.15) 0%, rgba(34, 211, 238, 0.15) 100%);
  border: 2px solid transparent;
  background-clip: padding-box;
  position: relative;
  box-shadow: 
    0 0 0 2px #7c3aed,
    0 0 20px rgba(124, 58, 237, 0.4),
    0 8px 30px rgba(124, 58, 237, 0.3);
  transform: translateY(-2px);
}

.input-field:focus-within::before {
  content: '';
  position: absolute;
  inset: -2px;
  border-radius: 28px;
  padding: 2px;
  background: linear-gradient(135deg, #7c3aed 0%, #22d3ee 100%);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask-composite: exclude;
  pointer-events: none;
}

.input-field:focus-within i {
  background: linear-gradient(135deg, #7c3aed 0%, #22d3ee 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  transform: scale(1.2);
  filter: drop-shadow(0 0 8px rgba(124, 58, 237, 0.6));
}

.input-field i {
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.6);
  transition: all 0.3s ease;
  font-size: 1.2rem;
  width: 24px;
  height: 24px;
  flex-shrink: 0;
}

.input-field input {
  background: none;
  outline: none;
  border: none;
  flex: 1;
  line-height: 1.4;
  font-weight: 500;
  font-size: 1rem;
  color: var(--auth-text);
  padding: 0;
  width: 100%;
}

.input-field input::placeholder {
  color: rgba(255, 255, 255, 0.4);
  font-weight: 400;
  font-size: 0.95rem;
}

/* Forgot Password Link */
.forgot-password {
  width: 100%;
  max-width: 380px;
  text-align: right;
  margin: 5px 0 15px;
}

.forgot-password a {
  color: var(--auth-primary-2);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.3s ease;
}

.forgot-password a:hover {
  color: var(--auth-primary);
  text-decoration: underline;
}

/* Terms Switch Toggle */
.terms {
  width: 100%;
  max-width: 380px;
  display: flex;
  align-items: center;
  margin: 10px 0 15px;
  font-size: 0.9rem;
}

.terms-checkbox {
  display: none;
}

.switch-label {
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
  user-select: none;
}

.switch {
  position: relative;
  display: inline-block;
  width: 50px;
  height: 26px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 26px;
  border: 2px solid rgba(255, 255, 255, 0.2);
  transition: all 0.3s ease;
  flex-shrink: 0;
}

.slider {
  position: absolute;
  top: 2px;
  left: 2px;
  width: 18px;
  height: 18px;
  background: rgba(255, 255, 255, 0.8);
  border-radius: 50%;
  transition: all 0.3s ease;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
}

.terms-checkbox:checked + .switch-label .switch {
  background: linear-gradient(135deg, #7c3aed 0%, #22d3ee 100%);
  border-color: transparent;
  box-shadow: 0 0 15px rgba(124, 58, 237, 0.5);
}

.terms-checkbox:checked + .switch-label .slider {
  transform: translateX(24px);
  background: #ffffff;
  box-shadow: 0 2px 8px rgba(124, 58, 237, 0.4);
}

.switch-label:hover .switch {
  background: rgba(255, 255, 255, 0.15);
  border-color: rgba(255, 255, 255, 0.3);
}

.terms-checkbox:checked + .switch-label:hover .switch {
  background: linear-gradient(135deg, #8b5cf6 0%, #34d3ee 100%);
}

.terms-text {
  color: var(--auth-muted);
  font-size: 0.9rem;
}

.terms-text a {
  color: var(--auth-primary-2);
  text-decoration: none;
  font-weight: 600;
  transition: color 0.3s ease;
}

.terms-text a:hover {
  color: var(--auth-primary);
  text-decoration: underline;
}

.social-text {
  padding: 0.7rem 0;
  font-size: 1rem;
  color: var(--auth-muted);
}

.social-media {
  display: flex;
  justify-content: center;
}

.social-icon {
  height: 50px;
  width: 50px;
  display: flex;
  justify-content: center;
  align-items: center;
  margin: 0 0.5rem;
  color: rgba(255, 255, 255, 0.5);
  border-radius: 12px;
  border: 2px solid var(--auth-border);
  text-decoration: none;
  font-size: 1.2rem;
  transition: all 0.3s ease;
  background-color: rgba(42, 31, 80, 0.5);
  backdrop-filter: blur(10px);
}

.social-icon i,
.social-logo {
  width: 24px;
  height: 24px;
  transition: all 0.3s ease;
  filter: grayscale(1) opacity(0.5);
}

.social-icon:hover i,
.social-icon:hover .social-logo {
  transform: scale(1.15);
  filter: grayscale(0) opacity(1);
}

/* Facebook - sáng màu xanh dương */
.social-icon--facebook:hover {
  border-color: #1877f2;
  background: rgba(24, 119, 242, 0.1);
  color: #1877f2;
  transform: translateY(-3px);
  box-shadow: 0 5px 20px rgba(24, 119, 242, 0.4);
}

.social-icon--facebook .social-logo {
  color: #1877f2;
}

/* Google - sáng đa màu */
.social-icon--google:hover {
  border-color: #4285F4;
  background: rgba(66, 133, 244, 0.1);
  transform: translateY(-3px);
  box-shadow: 0 5px 20px rgba(66, 133, 244, 0.4);
}

/* GitHub - sáng màu trắng */
.social-icon--github:hover {
  border-color: #ffffff;
  background: rgba(255, 255, 255, 0.1);
  color: #ffffff;
  transform: translateY(-3px);
  box-shadow: 0 5px 20px rgba(255, 255, 255, 0.3);
}

.social-icon--github .social-logo {
  color: #ffffff;
}

/* LinkedIn - sáng màu xanh LinkedIn */
.social-icon--linkedin:hover {
  border-color: #0A66C2;
  background: rgba(10, 102, 194, 0.1);
  transform: translateY(-3px);
  box-shadow: 0 5px 20px rgba(10, 102, 194, 0.4);
}

.social-icon--linkedin .social-logo {
  color: #0A66C2;
}

/* Error Message Styles */
.error-message {
  background: linear-gradient(135deg, #ff6b6b 0%, #ee5a6f 100%);
  color: white;
  padding: 12px 20px;
  border-radius: 8px;
  margin-bottom: 20px;
  font-size: 14px;
  text-align: center;
  box-shadow: 0 4px 12px rgba(255, 107, 107, 0.3);
  animation: slideDown 0.3s ease-out;
}

.error-message ul {
  margin: 8px 0 0 0;
  padding-left: 20px;
  text-align: left;
}

.error-message li {
  margin: 4px 0;
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.success-message {
  background: linear-gradient(135deg, #4caf50 0%, #45a049 100%);
  color: white;
  padding: 12px 20px;
  border-radius: 8px;
  margin-bottom: 20px;
  font-size: 14px;
  text-align: center;
  box-shadow: 0 4px 12px rgba(76, 175, 80, 0.3);
  animation: slideDown 0.3s ease-out;
}

/* Password Requirements */
/* Password Strength Meter - Elegant Design */
.password-strength {
  max-width: 380px;
  width: 100%;
  margin: 16px 0 24px 0;
  opacity: 0;
  transform: translateY(-10px);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.password-strength.active {
  opacity: 1;
  transform: translateY(0);
}

.strength-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
  font-size: 11px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.strength-label {
  color: rgba(255, 255, 255, 0.5);
}

.strength-text {
  font-weight: 700;
  color: rgba(255, 255, 255, 0.4);
  transition: all 0.3s ease;
}

.strength-text.weak {
  color: #ef4444;
}

.strength-text.medium {
  color: #f59e0b;
}

.strength-text.strong {
  color: #10b981;
}

.strength-text.excellent {
  background: linear-gradient(135deg, #10b981 0%, #22d3ee 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Progress Bar */
.strength-bar {
  height: 4px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 2px;
  overflow: hidden;
  margin-bottom: 12px;
  position: relative;
}

.strength-fill {
  height: 100%;
  width: 0%;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 2px;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.strength-fill::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(90deg, 
    rgba(255,255,255,0.1) 0%, 
    rgba(255,255,255,0.2) 50%, 
    rgba(255,255,255,0.1) 100%);
  animation: shimmer 2s infinite;
}

@keyframes shimmer {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

.strength-fill.weak {
  width: 25%;
  background: linear-gradient(90deg, #ef4444 0%, #dc2626 100%);
}

.strength-fill.medium {
  width: 50%;
  background: linear-gradient(90deg, #f59e0b 0%, #d97706 100%);
}

.strength-fill.strong {
  width: 75%;
  background: linear-gradient(90deg, #10b981 0%, #059669 100%);
}

.strength-fill.excellent {
  width: 100%;
  background: linear-gradient(90deg, #10b981 0%, #22d3ee 100%);
  box-shadow: 0 0 12px rgba(34, 211, 238, 0.5);
}

/* Requirement Checks - Compact & Elegant */
.strength-checks {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  align-items: center;
}

.check-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.3);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  padding: 4px 8px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.check-item i {
  font-size: 10px;
  transition: all 0.3s ease;
  opacity: 0.4;
}

.check-item.valid {
  color: rgba(34, 211, 238, 0.9);
  background: rgba(34, 211, 238, 0.1);
  border-color: rgba(34, 211, 238, 0.3);
  transform: scale(1.02);
}

.check-item.valid i {
  opacity: 1;
  color: #22d3ee;
  transform: rotate(360deg);
}

.check-item.valid i::before {
  content: '\f058'; /* fa-check-circle */
}

/* Hover Effect */
.check-item:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.1);
}

/* Loading State */
.btn.loading {
  position: relative;
  color: transparent;
  pointer-events: none;
}

.btn.loading::after {
  content: '';
  position: absolute;
  width: 20px;
  height: 20px;
  top: 50%;
  left: 50%;
  margin-left: -10px;
  margin-top: -10px;
  border: 3px solid rgba(255, 255, 255, 0.3);
  border-top-color: white;
  border-radius: 50%;
  animation: spinner 0.8s linear infinite;
}

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

.btn {
  max-width: 380px;
  width: 100%;
  background: linear-gradient(135deg, var(--auth-primary), var(--auth-primary-2));
  border: none;
  outline: none;
  height: 58px;
  min-height: 58px;
  border-radius: 28px;
  color: #fff;
  text-transform: uppercase;
  font-weight: 700;
  font-size: 1rem;
  margin: 15px 0;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(124, 58, 237, 0.3);
  letter-spacing: 0.5px;
}

.btn:hover {
  filter: brightness(1.1);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(124, 58, 237, 0.5);
}

.btn:active {
  transform: translateY(0);
  box-shadow: 0 2px 10px rgba(124, 58, 237, 0.4);
}
.panels-container {
  position: absolute;
  height: 100%;
  width: 100%;
  top: 0;
  left: 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
}

.container:before {
  content: "";
  position: absolute;
  height: 2000px;
  width: 2000px;
  top: -10%;
  right: 48%;
  transform: translateY(-50%);
  background: linear-gradient(-45deg, 
    rgba(124, 58, 237, 0.3) 0%, 
    rgba(34, 211, 238, 0.25) 100%
  );
  backdrop-filter: blur(40px);
  -webkit-backdrop-filter: blur(40px);
  transition: 1.8s ease-in-out;
  border-radius: 50%;
  z-index: 6;
  box-shadow: 
    0 8px 32px 0 rgba(124, 58, 237, 0.3),
    inset 0 0 100px rgba(255, 255, 255, 0.1);
  border: 2px solid rgba(255, 255, 255, 0.15);
}

.image {
  width: 100%;
  transition: transform 1.1s ease-in-out;
  transition-delay: 0.4s;
}

.panel {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  justify-content: space-around;
  text-align: center;
  z-index: 6;
}

.left-panel {
  pointer-events: all;
  padding: 3rem 17% 2rem 12%;
}

.right-panel {
  pointer-events: none;
  padding: 3rem 12% 2rem 17%;
}

.panel .content {
  color: #fff;
  transition: transform 0.9s ease-in-out;
  transition-delay: 0.6s;
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 2rem 2.5rem;
  border-radius: 32px;
  border: 2px solid rgba(255, 255, 255, 0.15);
  box-shadow: 
    0 8px 32px 0 rgba(0, 0, 0, 0.2),
    inset 0 1px 1px rgba(255, 255, 255, 0.2);
}

.panel h3 {
  font-weight: 700;
  line-height: 1.3;
  font-size: 1.8rem;
  margin-bottom: 0.5rem;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.panel p {
  font-size: 1rem;
  padding: 0.7rem 0;
  line-height: 1.6;
  opacity: 0.95;
}

.btn.transparent {
  margin: 0;
  margin-top: 1rem;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 2px solid rgba(255, 255, 255, 0.8);
  width: 160px;
  height: 50px;
  font-size: 0.95rem;
  border-radius: 28px;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.btn.transparent:hover {
  background: rgba(255, 255, 255, 0.2);
  border-color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(255, 255, 255, 0.3);
}

.right-panel .image,
.right-panel .content {
  transform: translateX(800px);
}

/* ANIMATION */

.container.sign-up-mode:before {
  transform: translate(100%, -50%);
  right: 52%;
}

.container.sign-up-mode .left-panel .image,
.container.sign-up-mode .left-panel .content {
  transform: translateX(-800px);
}

.container.sign-up-mode .signin-signup {
  left: 25%;
}

.container.sign-up-mode form.sign-up-form {
  opacity: 1;
  z-index: 2;
}

.container.sign-up-mode form.sign-in-form {
  opacity: 0;
  z-index: 1;
}

.container.sign-up-mode .right-panel .image,
.container.sign-up-mode .right-panel .content {
  transform: translateX(0%);
}

.container.sign-up-mode .left-panel {
  pointer-events: none;
}

.container.sign-up-mode .right-panel {
  pointer-events: all;
}

@media (max-width: 870px) {
  .container {
    min-height: 100vh;
    height: 100vh;
  }
  
  .signin-signup {
    width: 100%;
    top: 50%;
    transform: translate(-50%, -50%);
    transition: 1s 0.8s ease-in-out;
    padding: 10px 0;
    max-height: 90vh;
  }

  .signin-signup,
  .container.sign-up-mode .signin-signup {
    left: 50%;
  }
  
  form {
    padding: 2.5rem 2rem;
    max-height: 85vh;
    width: 95%;
  }

  .panels-container {
    grid-template-columns: 1fr;
    grid-template-rows: 1fr 2fr 1fr;
  }

  .panel {
    flex-direction: row;
    justify-content: space-around;
    align-items: center;
    padding: 2.5rem 8%;
    grid-column: 1 / 2;
  }

  .right-panel {
    grid-row: 3 / 4;
  }

  .left-panel {
    grid-row: 1 / 2;
  }

  .image {
    width: 200px;
    transition: transform 0.9s ease-in-out;
    transition-delay: 0.6s;
  }

  .panel .content {
    padding: 1.5rem 2rem;
    padding-right: 15%;
    transition: transform 0.9s ease-in-out;
    transition-delay: 0.8s;
    border-radius: 24px;
  }

  .panel h3 {
    font-size: 1.4rem;
  }

  .panel p {
    font-size: 0.85rem;
    padding: 0.5rem 0;
  }

  .btn.transparent {
    width: 140px;
    height: 44px;
    font-size: 0.85rem;
    border-radius: 24px;
  }

  .container:before {
    width: 1500px;
    height: 1500px;
    transform: translateX(-50%);
    left: 30%;
    bottom: 68%;
    right: initial;
    top: initial;
    transition: 2s ease-in-out;
  }

  .container.sign-up-mode:before {
    transform: translate(-50%, 100%);
    bottom: 32%;
    right: initial;
  }

  .container.sign-up-mode .left-panel .image,
  .container.sign-up-mode .left-panel .content {
    transform: translateY(-300px);
  }

  .container.sign-up-mode .right-panel .image,
  .container.sign-up-mode .right-panel .content {
    transform: translateY(0px);
  }

  .right-panel .image,
  .right-panel .content {
    transform: translateY(300px);
  }

  .container.sign-up-mode .signin-signup {
    top: 5%;
    transform: translate(-50%, 0);
  }
}

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

@media (max-width: 570px) {
  form {
    padding: 2rem 1.5rem;
    max-height: 88vh;
    width: 95%;
  }
  
  .title {
    font-size: 2rem;
    margin-bottom: 10px;
  }
  
  .form-logo {
    margin-bottom: 12px;
  }
  
  .form-logo img {
    width: 70px;
    height: 70px;
  }
  
  .input-field {
    /* Height locked at 58px - no changes */
    margin: 12px 0;
    padding: 0 18px;
    gap: 10px;
  }
  
  .input-field i {
    font-size: 1rem;
  }
  
  input {
    font-size: 0.9rem;
  }
  
  .btn {
    height: 52px;
    font-size: 0.95rem;
    margin: 15px 0;
    font-weight: 700;
  }
  
  .social-text {
    font-size: 0.85rem;
    margin: 12px 0;
  }
  
  .social-media {
    gap: 12px;
    margin: 8px 0;
  }
  
  .forgot-password {
    margin: 8px 0;
  }
  
  /* Password Strength on Mobile */
  .password-strength {
    margin: 12px 0 16px 0;
  }
  
  .strength-header {
    font-size: 0.75rem;
    margin-bottom: 6px;
  }
  
  .strength-bar-container {
    height: 4px;
  }
  
  .strength-badges {
    gap: 6px;
    margin-top: 8px;
  }
  
  .strength-badge {
    padding: 4px 8px;
    font-size: 0.7rem;
    border-radius: 8px;
  }

  .image {
    display: none;
  }
  
  .panel .content {
    padding: 1.5rem 1.5rem;
    border-radius: 20px;
  }
  
  .container {
    padding: 0;
  }
  
  .panels-container {
    display: none;
  }

  .container:before {
    bottom: 72%;
    left: 50%;
  }

  .container.sign-up-mode:before {
    bottom: 28%;
    left: 50%;
  }
  
  .signin-signup {
    padding: 5px 0;
  }
}

/* Route transition overlay (fog/blur effect) */
.route-transition {
  position: fixed;
  inset: 0;
  z-index: 9999;
  pointer-events: none;
  opacity: 0;
  visibility: hidden;
  transition: opacity 700ms ease, backdrop-filter 700ms ease;
  background:
    radial-gradient(1200px 800px at 30% 20%, rgba(255,255,255,0.08), transparent 60%),
    radial-gradient(1000px 700px at 70% 80%, rgba(255,255,255,0.06), transparent 60%),
    linear-gradient(0deg, rgba(15,10,31,0.25), rgba(15,10,31,0.25));
  backdrop-filter: blur(0px) saturate(110%);
  -webkit-backdrop-filter: blur(0px) saturate(110%);
}

.route-transition.active {
  opacity: 1;
  visibility: visible;
  backdrop-filter: blur(18px) saturate(120%);
  -webkit-backdrop-filter: blur(18px) saturate(120%);
}

/* Subtle blur/scale on container while transitioning */
.container.route-blur {
  transition: filter 450ms ease, transform 450ms ease;
  filter: blur(4px) brightness(0.92);
  transform: scale(0.985);
}

/* Optional: video fade-out helper */
.video-background.fade-out {
  opacity: 0 !important;
}