:root {
  --blue-50: #e6f0ff;
  --blue-100: #cce0ff;
  --blue-300: #044c9e;
  --blue-500: #06285b;
  --blue-600: #052350;
  --blue-700: #03193c;
  --blue-800: #021230;
  --blue-900: #0a3a8c;
  --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;
  --white: #ffffff;
  --shadow-soft: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-medium: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-strong: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --shadow-blue: 0 10px 25px -5px rgba(37, 124, 255, 0.2);
}

* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  font-family: "Poppins", "Roboto", system-ui, -apple-system, Segoe UI, Arial, sans-serif;
  background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
  color: var(--gray-800);
  overflow-x: hidden;
  position: relative;
}

/* Animated background elements */
body::before,
body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -1;
}

/* Floating geometric shapes */


/* Subtle moving gradient */
body::after {
  background: linear-gradient(45deg,
      rgba(37, 124, 255, 0.03) 0%,
      transparent 25%,
      rgba(37, 124, 255, 0.05) 50%,
      transparent 75%,
      rgba(37, 124, 255, 0.03) 100%);
}

@keyframes floatShapes {

  0%,
  100% {
    transform: translateY(0px) rotate(0deg);
  }

  33% {
    transform: translateY(-20px) rotate(120deg);
  }

  66% {
    transform: translateY(10px) rotate(240deg);
  }
}

@keyframes gradientMove {

  0%,
  100% {
    transform: translateX(0px) translateY(0px);
  }

  50% {
    transform: translateX(30px) translateY(-20px);
  }
}

.auth-wrapper {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  position: relative;
}

/* Floating decorative elements */
.floating-element {
  position: absolute;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(37, 124, 255, 0.1), rgba(37, 124, 255, 0.05));
  animation: float 6s ease-in-out infinite;
}

.floating-element:nth-child(1) {
  width: 80px;
  height: 80px;
  top: 10%;
  left: 10%;
  animation-delay: 0s;
}

.floating-element:nth-child(2) {
  width: 120px;
  height: 120px;
  top: 20%;
  right: 15%;
  animation-delay: 2s;
}

.floating-element:nth-child(3) {
  width: 60px;
  height: 60px;
  bottom: 20%;
  left: 20%;
  animation-delay: 4s;
}

.floating-element:nth-child(4) {
  width: 100px;
  height: 100px;
  bottom: 10%;
  right: 10%;
  animation-delay: 1s;
}

@keyframes float {

  0%,
  100% {
    transform: translateY(0px) rotate(0deg);
  }

  50% {
    transform: translateY(-20px) rotate(180deg);
  }
}

.auth-card {
  width: 100%;
  max-width: 400px;
  background: var(--white);
  border-radius: 24px;
  padding: 32px 40px 28px;
  box-shadow: var(--shadow-strong);
  position: relative;
  overflow: hidden;
  border: 1px solid var(--gray-200);
  animation: slideInUp 800ms cubic-bezier(0.34, 1.56, 0.64, 1);
  backdrop-filter: blur(10px);
}

.auth-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--blue-500), var(--blue-300), var(--blue-500));
  background-size: 200% 100%;
  animation: shimmer 3s ease-in-out infinite;
}

@keyframes slideInUp {
  from {
    opacity: 0;
    transform: translateY(30px) scale(0.95);
  }

  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes shimmer {

  0%,
  100% {
    background-position: 0% 50%;
  }

  50% {
    background-position: 100% 50%;
  }
}

.robot-badge {
  width: 120px;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  animation: pulse 2s ease-in-out infinite;
  position: relative;
}

.robot-badge img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

@keyframes pulse {

  0%,
  100% {
    transform: scale(1);
  }

  50% {
    transform: scale(1.05);
  }
}

@keyframes rotate {
  from {
    transform: rotate(0deg);
  }

  to {
    transform: rotate(360deg);
  }
}

@keyframes bounce {

  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-3px);
  }
}

h1 {
  font-weight: 700;
  font-size: 1.75rem;
  letter-spacing: -0.025em;
  text-align: center;
  margin: 0 0 8px;
  color: var(--gray-900);
  animation: fadeInDown 600ms ease-out 200ms both;
}

.subtitle {
  text-align: center;
  font-size: 1rem;
  color: var(--gray-600);
  margin-bottom: 24px;
  animation: fadeInDown 600ms ease-out 400ms both;
}

.form {
  display: flex;
  flex-direction: column;
  gap: 16px;
  animation: fadeInUp 600ms ease-out 600ms both;
}

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

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(10px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.input-group {
  position: relative;
  animation: slideInLeft 600ms ease-out both;
}

.input-group:nth-child(1) {
  animation-delay: 700ms;
}

.input-group:nth-child(2) {
  animation-delay: 800ms;
}

.input-group:nth-child(3) {
  animation-delay: 900ms;
}

.input-group:nth-child(4) {
  animation-delay: 1000ms;
}

.input-group svg.icon {
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  width: 20px;
  height: 20px;
  color: var(--blue-500);
  opacity: 0.7;
  pointer-events: none;
  transition: all 200ms ease;
}

.input {
  width: 100%;
  padding: 14px 18px 14px 50px;
  background: var(--gray-50);
  border: 2px solid var(--gray-200);
  border-radius: 16px;
  color: var(--gray-900);
  font-size: 1rem;
  outline: none;
  transition: all 300ms cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
}

.input::placeholder {
  color: var(--gray-400);
  font-weight: 400;
}

.input:focus {
  border-color: var(--blue-500);
  background: var(--white);
  box-shadow: 0 0 0 4px rgba(37, 124, 255, 0.1), var(--shadow-medium);
  transform: translateY(-2px);
}

.input:focus+.input-group svg.icon {
  color: var(--blue-500);
  opacity: 1;
  transform: translateY(-50%) scale(1.1);
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-20px);
  }

  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.btn {
  width: 100%;
  padding: 14px 24px;
  border: 0;
  border-radius: 16px;
  color: var(--white);
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: 0.025em;
  cursor: pointer;
  background: linear-gradient(135deg, var(--blue-500), var(--blue-700));
  box-shadow: var(--shadow-medium);
  transition: all 300ms cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
  animation: slideInUp 600ms ease-out 1100ms both;
}

.btn::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left 500ms ease;
}

.btn:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-blue);
  background: linear-gradient(135deg, var(--blue-600), var(--blue-800));
}

.btn:hover::before {
  left: 100%;
}

.btn:active {
  transform: translateY(-1px);
  box-shadow: var(--shadow-medium);
}

.btn:focus {
  outline: none;
  box-shadow: 0 0 0 4px rgba(37, 124, 255, 0.2), var(--shadow-blue);
}

.links {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  margin-top: 24px;
  font-size: 0.75rem;
  animation: fadeInUp 600ms ease-out 1200ms both;
}

.link {
  color: var(--blue-500);
  text-decoration: none;
  font-weight: 500;
  transition: all 200ms ease;
  position: relative;
}

.link::after {
  content: "";
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--blue-500);
  transition: width 200ms ease;
}

.link:hover {
  color: var(--blue-700);
  transform: translateY(-1px);
}

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

.small-note {
  text-align: center;
  color: var(--gray-600);
  font-size: 0.9rem;
  margin-top: 24px;
  animation: fadeInUp 600ms ease-out 1300ms both;
}

.illustration {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 24px;
  animation: fadeInUp 600ms ease-out 1400ms both;
}

.illustration svg {
  opacity: 0.9;
}

/* Responsive tweaks */
@media (max-width: 480px) {
  .auth-card {
    padding: 32px 24px 24px;
    margin: 16px;
    border-radius: 20px;
  }

  h1 {
    font-size: 1.5rem;
  }

  .input {
    padding: 14px 18px 14px 48px;
  }

  .btn {
    padding: 14px 20px;
  }

  .floating-element {
    display: none;
  }
}

@media (min-width: 768px) {
  .auth-card {
    max-width: 550px;
  }
}

@media (min-width: 1024px) {
  .floating-element {
    opacity: 0.8;
  }
}