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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: #000 url('background.jpg') no-repeat center center fixed;
  background-size: cover;
  color: #fff;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 40px;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(2px);
  position: relative;
  z-index: 10;
}

.logo {
  font-size: 14px;
  letter-spacing: 2px;
  font-weight: 500;
}

.tagline {
  font-size: 12px;
  letter-spacing: 1.5px;
  opacity: 0.9;
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
}

.catalog-btn {
  border: 1px solid #555;
  color: #fff;
  text-decoration: none;
  padding: 10px 20px;
  font-size: 12px;
  letter-spacing: 1px;
  transition: background 0.2s;
}

.catalog-btn:hover {
  background: rgba(255,255,255,0.1);
}

.main {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px 20px;
  position: relative;
}

.login-container {
  background: rgba(8, 8, 8, 0.92);
  padding: 35px 32px 28px;
  width: 100%;
  max-width: 380px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.6);
  border: 1px solid rgba(255,255,255,0.05);
}

.login-label {
  font-size: 11px;
  letter-spacing: 2px;
  margin-bottom: 8px;
  opacity: 0.8;
}

h1 {
  font-size: 36px;
  font-weight: 400;
  margin-bottom: 30px;
  letter-spacing: -0.5px;
}

.form-group {
  margin-bottom: 20px;
}

label {
  display: block;
  font-size: 11px;
  letter-spacing: 1.5px;
  margin-bottom: 8px;
  opacity: 0.9;
}

input[type="email"],
input[type="password"] {
  width: 100%;
  background: transparent;
  border: 1px solid #444;
  color: #fff;
  padding: 14px 12px;
  font-size: 16px;
  outline: none;
  transition: border-color 0.2s;
}

input[type="email"]:focus,
input[type="password"]:focus {
  border-color: #888;
}

.login-btn {
  width: 100%;
  background: #fff;
  color: #000;
  border: none;
  padding: 16px;
  font-size: 13px;
  letter-spacing: 2px;
  font-weight: 600;
  cursor: pointer;
  margin-top: 10px;
  transition: background 0.2s;
}

.login-btn:hover {
  background: #f0f0f0;
}

.create-account {
  margin-top: 25px;
  font-size: 14px;
  opacity: 0.9;
}

.create-account a {
  color: #fff;
  text-decoration: underline;
}

.footer {
  background: rgba(0, 0, 0, 0.85);
  text-align: center;
  padding: 20px;
  font-size: 12px;
  letter-spacing: 1.5px;
  opacity: 0.9;
}

@media (max-width: 768px) {
  .header {
    padding: 15px 20px;
    flex-wrap: wrap;
  }
  .tagline {
    position: static;
    transform: none;
    order: 3;
    width: 100%;
    text-align: center;
    margin-top: 10px;
  }
  .login-container {
    padding: 30px 20px;
  }
  h1 {
    font-size: 32px;
  }
}