:root {
  --bg-color: #f1f5f9;
  --glass-bg: rgba(255, 255, 255, 0.7);
  --glass-border: rgba(255, 255, 255, 0.6);
  --text-primary: #1e293b;
  --text-secondary: #475569;
  --accent: #3b82f6;
  --accent-hover: #2563eb;
  --success: #10b981;
  --error: #ef4444;
}

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

body {
  font-family: 'Inter', sans-serif;
  background-color: var(--bg-color);
  color: var(--text-primary);
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  overflow: hidden;
  position: relative;
}

.background-elements {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  overflow: hidden;
}

.blob {
  position: absolute;
  filter: blur(80px);
  border-radius: 50%;
  opacity: 0.5;
}

.blob-1 {
  top: -10%;
  left: -10%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(147,197,253,0.8) 0%, rgba(191,219,254,0) 70%);
  animation: float 10s ease-in-out infinite alternate;
}

.blob-2 {
  bottom: -10%;
  right: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(167,243,208,0.7) 0%, rgba(209,250,229,0) 70%);
  animation: float 12s ease-in-out infinite alternate-reverse;
}

@keyframes float {
  0% { transform: translate(0, 0) scale(1); }
  100% { transform: translate(30px, 50px) scale(1.1); }
}

.container {
  width: 100%;
  max-width: 420px;
  padding: 16px;
  z-index: 10;
}

.glass-card {
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  padding: 32px 24px;
  box-shadow: 0 20px 40px -12px rgba(0, 0, 0, 0.1);
  animation: slideUp 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes slideUp {
  0% { opacity: 0; transform: translateY(20px); }
  100% { opacity: 1; transform: translateY(0); }
}

header {
  text-align: center;
  margin-bottom: 28px;
}

h1 {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 6px;
  background: linear-gradient(to right, #2563eb, #059669);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

header p {
  color: var(--text-secondary);
  font-size: 13px;
}

.input-group {
  margin-bottom: 18px;
}

label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

input {
  width: 100%;
  padding: 10px 14px;
  background: rgba(255, 255, 255, 0.6);
  border: 1px solid rgba(203, 213, 225, 0.8);
  border-radius: 10px;
  color: var(--text-primary);
  font-size: 14px;
  font-family: inherit;
  transition: all 0.3s ease;
}

input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
  background: #ffffff;
}

input::placeholder {
  color: #94a3b8;
}

button {
  width: 100%;
  padding: 12px;
  background: var(--accent);
  color: white;
  border: none;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  justify-content: center;
  align-items: center;
  margin-top: 10px;
}

button:hover {
  background: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 10px 20px -10px rgba(59, 130, 246, 0.4);
}

button:active {
  transform: translateY(0);
}

.secondary-btn {
  background: transparent;
  border: 1px solid #cbd5e1;
  color: var(--text-primary);
}

.secondary-btn:hover {
  background: rgba(241, 245, 249, 0.5);
  box-shadow: none;
}

.hidden {
  display: none !important;
}

.loader {
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255, 255, 255, 0.4);
  border-radius: 50%;
  border-top-color: white;
  animation: spin 0.8s linear infinite;
}

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

#result-container {
  text-align: center;
  padding: 16px 0;
  animation: fadeIn 0.5s ease;
}

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

.result-icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  font-size: 28px;
}

.result-icon.success {
  background: rgba(16, 185, 129, 0.15);
  color: var(--success);
  border: 2px solid rgba(16, 185, 129, 0.3);
}

.result-icon.error {
  background: rgba(239, 68, 68, 0.15);
  color: var(--error);
  border: 2px solid rgba(239, 68, 68, 0.3);
}

#result-title {
  margin-bottom: 8px;
  font-size: 20px;
}

.success-text { color: var(--success); }
.error-text { color: var(--error); }

#result-message {
  color: var(--text-secondary);
  font-size: 14px;
  margin-bottom: 24px;
  line-height: 1.5;
}

.disclaimer {
  margin-top: 28px;
  padding-top: 16px;
  border-top: 1px solid rgba(203, 213, 225, 0.6);
  font-size: 11px;
  color: var(--text-secondary);
  text-align: center;
  line-height: 1.5;
}

@media (max-width: 480px) {
  .glass-card {
    padding: 24px 16px;
  }
}