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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  background: linear-gradient(135deg, #0f0c29 0%, #302b63 50%, #24243e 100%);
  color: #e2e8f0;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  -webkit-font-smoothing: antialiased;
  overflow: hidden;
}

/* Animated Background Orbs */
.bg-orbs {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.3;
  animation: float 12s ease-in-out infinite;
}

.orb-1 {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, #667eea, transparent 70%);
  top: -10%;
  left: -5%;
  animation-delay: 0s;
}

.orb-2 {
  width: 350px;
  height: 350px;
  background: radial-gradient(circle, #764ba2, transparent 70%);
  bottom: -15%;
  right: -5%;
  animation-delay: -4s;
}

.orb-3 {
  width: 250px;
  height: 250px;
  background: radial-gradient(circle, #a78bfa, transparent 70%);
  top: 50%;
  left: 60%;
  animation-delay: -8s;
}

@keyframes float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(30px, -20px) scale(1.05); }
  66% { transform: translate(-20px, 15px) scale(0.95); }
}

/* Container */
.login-container {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 420px;
  padding: 24px 20px;
  animation: slideUp 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Header */
.login-header {
  text-align: center;
  margin-bottom: 28px;
}

.logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  animation: pulse 3s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

.login-header h1 {
  font-size: 28px;
  font-weight: 700;
  background: linear-gradient(90deg, #667eea, #a78bfa);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 8px;
}

.tagline {
  color: #94a3b8;
  font-size: 14px;
  line-height: 1.5;
}

/* Login Card */
.login-card {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 16px;
  padding: 32px;
  backdrop-filter: blur(12px);
  margin-bottom: 24px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

/* Input Group */
.input-group {
  margin-bottom: 20px;
}

.input-group label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: #cbd5e1;
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

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

.input-icon {
  position: absolute;
  left: 14px;
  color: #64748b;
  pointer-events: none;
  transition: color 0.2s;
}

.input-wrapper input {
  width: 100%;
  padding: 12px 16px 12px 42px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 10px;
  color: #f1f5f9;
  font-size: 15px;
  transition: border-color 0.2s, box-shadow 0.2s;
  outline: none;
}

.input-wrapper input::placeholder {
  color: #64748b;
}

.input-wrapper input:focus {
  border-color: #667eea;
  box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.25);
}

.input-wrapper input:focus ~ .input-icon,
.input-wrapper:focus-within .input-icon {
  color: #667eea;
}

/* Toggle Password Button */
.toggle-password {
  position: absolute;
  right: 12px;
  background: none;
  border: none;
  color: #64748b;
  cursor: pointer;
  padding: 4px;
  display: flex;
  align-items: center;
  transition: color 0.2s;
}

.toggle-password:hover {
  color: #a78bfa;
}

/* Error Message */
.error-message {
  padding: 12px 16px;
  border-radius: 10px;
  font-size: 13px;
  line-height: 1.5;
  margin-bottom: 16px;
  background: rgba(239, 68, 68, 0.15);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: #fca5a5;
  animation: shake 0.4s ease;
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  20% { transform: translateX(-6px); }
  40% { transform: translateX(6px); }
  60% { transform: translateX(-4px); }
  80% { transform: translateX(4px); }
}

/* Login Button */
.btn-login {
  width: 100%;
  padding: 14px 24px;
  background: linear-gradient(135deg, #667eea, #764ba2);
  border: none;
  border-radius: 10px;
  color: white;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.15s, box-shadow 0.2s, opacity 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  position: relative;
  overflow: hidden;
}

.btn-login::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.15), transparent);
  opacity: 0;
  transition: opacity 0.2s;
}

.btn-login:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
}

.btn-login:hover::before {
  opacity: 1;
}

.btn-login:active {
  transform: translateY(0);
}

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

.btn-arrow {
  transition: transform 0.2s;
}

.btn-login:hover .btn-arrow {
  transform: translateX(3px);
}

/* Demo Credentials Section */
.demo-credentials {
  margin-bottom: 24px;
}

.demo-label {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: #64748b;
  text-align: center;
  margin-bottom: 12px;
}

.demo-cards {
  display: flex;
  gap: 8px;
}

.demo-card {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 10px;
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s, transform 0.15s;
  color: inherit;
  text-align: left;
}

.demo-card:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(102, 126, 234, 0.3);
  transform: translateY(-1px);
}

.demo-avatar {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  background: linear-gradient(135deg, #667eea, #764ba2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
  color: white;
}

.demo-name {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: #cbd5e1;
}

.demo-email {
  display: block;
  font-size: 10px;
  color: #64748b;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 80px;
}

/* Footer */
.login-footer {
  text-align: center;
  padding-top: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.login-footer p {
  font-size: 12px;
  color: #64748b;
}

/* Responsive */
@media (max-width: 480px) {
  .login-container {
    padding: 16px;
  }

  .login-card {
    padding: 24px;
  }

  .login-header h1 {
    font-size: 24px;
  }

  .demo-cards {
    flex-direction: column;
  }

  .demo-email {
    max-width: none;
  }
}