* { margin: 0; padding: 0; box-sizing: border-box; }
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Inter', 'Segoe UI', system-ui, sans-serif;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #0f1011 0%, #1a1c20 100%);
  color: #f7f8f8;
}
.login-container { width: 100%; max-width: 400px; padding: 20px; }
.login-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 16px;
  padding: 48px 40px;
  text-align: center;
  backdrop-filter: blur(10px);
}
.login-logo { margin-bottom: 16px; color: #7c84e8; }
.login-card h1 { font-size: 24px; font-weight: 700; margin-bottom: 4px; }
.login-subtitle { font-size: 14px; color: #8a8f98; margin-bottom: 32px; }
.login-field { text-align: left; margin-bottom: 20px; }
.login-field label { display: block; font-size: 13px; font-weight: 500; color: #d0d6e0; margin-bottom: 6px; }
.login-field input {
  width: 100%; padding: 10px 14px; border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 8px; background: rgba(255, 255, 255, 0.04); color: #f7f8f8;
  font-size: 14px; transition: border-color 0.2s; outline: none;
}
.login-field input:focus { border-color: #7c84e8; }
.login-field input::placeholder { color: #62666d; }
.login-error {
  background: rgba(255, 80, 80, 0.1); border: 1px solid rgba(255, 80, 80, 0.2);
  color: #ff6b6b; padding: 10px 14px; border-radius: 8px; font-size: 13px; margin-bottom: 16px;
}
.login-submit {
  width: 100%; padding: 12px; border: none; border-radius: 8px;
  background: #7c84e8; color: white; font-size: 15px; font-weight: 600;
  cursor: pointer; transition: background 0.2s; margin-top: 8px;
}
.login-submit:hover { background: #9ba1f0; }
.login-submit:disabled { opacity: 0.5; cursor: not-allowed; }
.login-footer { text-align: center; margin-top: 24px; font-size: 12px; color: #62666d; }