:root {
  --bg: #0a0a0a;
  --orange: #ff6a00;
  --white: #ffffff;
  --gray: #999;
  --glass: rgba(255, 255, 255, 0.03);
  --glass-border: rgba(255, 255, 255, 0.08);
}

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

body {
  font-family: 'Inter', sans-serif;
  background-color: var(--bg);
  background-image: radial-gradient(circle at 50% 50%, #1a1a1a 0%, #0a0a0a 100%);
  color: var(--white);
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.login-container {
  width: 100%;
  max-width: 420px;
  padding: 20px;
}

.login-card {
  background: var(--glass);
  backdrop-filter: blur(15px);
  -webkit-backdrop-filter: blur(15px);
  padding: 48px;
  border-radius: 20px;
  border: 1px solid var(--glass-border);
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
  text-align: center;
}

.logo {
  font-size: 28px;
  font-weight: 600;
  letter-spacing: -1px;
  margin-bottom: 8px;
}

.logo-dot { color: var(--orange); }

.subtitle {
  font-size: 13px;
  color: var(--gray);
  margin-bottom: 40px;
  font-weight: 300;
}

.form-group {
  text-align: left;
  margin-bottom: 24px;
}

.form-group label {
  display: block;
  font-size: 11px;
  color: var(--gray);
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-weight: 500;
}

.form-group input {
  width: 100%;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--glass-border);
  padding: 14px 18px;
  border-radius: 10px;
  color: #fff;
  font-size: 14px;
  transition: all 0.2s ease;
}

.form-group input:focus {
  outline: none;
  border-color: var(--orange);
  background: rgba(255, 255, 255, 0.08);
}

.btn-primary {
  width: 100%;
  background: var(--orange);
  color: white;
  border: none;
  padding: 16px;
  border-radius: 10px;
  font-weight: 600;
  cursor: pointer;
  font-size: 15px;
  margin-top: 8px;
  transition: transform 0.2s, opacity 0.2s;
}

.btn-primary:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

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

.error-msg {
  color: #ff4444;
  font-size: 12px;
  margin-top: 20px;
  display: none;
}