:root {
  --primary: #00f2ff;
  --secondary: #7000ff;
  --bg-dark: #050505;
  --bg-surface: rgba(20, 20, 25, 0.7);
  --text-main: #ffffff;
  --text-dim: #b0b0b0;
  --accent-glow: rgba(0, 242, 255, 0.3);
  --error: #ff3e3e;
  --success: #00ff88;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

body {
  background: var(--bg-dark);
  color: var(--text-main);
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  overflow-x: hidden;
  background-image:
    radial-gradient(circle at 10% 20%, rgba(112, 0, 255, 0.1) 0%, transparent 40%),
    radial-gradient(circle at 90% 80%, rgba(0, 242, 255, 0.1) 0%, transparent 40%);
}

.container {
  width: 100%;
  max-width: 600px;
  padding: 2rem;
  z-index: 1;
}

.card {
  background: var(--bg-surface);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 24px;
  padding: 3rem;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
  animation: slideUp 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(40px); }
  to { opacity: 1; transform: translateY(0); }
}

h1 {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 0.5rem;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: -1px;
}

p.subtitle {
  color: var(--text-dim);
  margin-bottom: 2.5rem;
  font-size: 1.1rem;
}

.form-group {
  margin-bottom: 1.5rem;
}

label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-dim);
  margin-bottom: 0.5rem;
  transition: color 0.3s ease;
}

input, textarea, select {
  width: 100%;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  padding: 1rem;
  color: white;
  font-size: 1rem;
  transition: all 0.3s ease;
  outline: none;
}

input:focus, textarea:focus, select:focus {
  border-color: var(--primary);
  background: rgba(255, 255, 255, 0.08);
  box-shadow: 0 0 15px var(--accent-glow);
}

.btn-group {
  margin-top: 2.5rem;
}

button {
  width: 100%;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: white;
  border: none;
  border-radius: 12px;
  padding: 1.2rem;
  font-size: 1.1rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(0, 242, 255, 0.2);
}

button:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0, 242, 255, 0.4);
  filter: brightness(1.1);
}

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

.loader {
  display: none;
  width: 20px;
  height: 20px;
  border: 3px solid rgba(255,255,255,0.3);
  border-radius: 50%;
  border-top-color: #fff;
  animation: spin 1s ease-in-out infinite;
  margin-right: 10px;
}

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

.status-msg {
  margin-top: 1.5rem;
  padding: 1rem;
  border-radius: 12px;
  display: none;
  font-weight: 500;
}

.status-msg.success {
  background: rgba(0, 255, 136, 0.1);
  color: var(--success);
  border: 1px solid rgba(0, 255, 136, 0.2);
  display: block;
}

.status-msg.error {
  background: rgba(255, 62, 62, 0.1);
  color: var(--error);
  border: 1px solid rgba(255, 62, 62, 0.2);
  display: block;
}