/* ===== Global Reset ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Poppins", sans-serif;
}

/* ===== Page Background ===== */
body {
  min-height: 100vh;
  background: linear-gradient(135deg, #667eea, #764ba2);
  display: flex;
  justify-content: center;
  align-items: center;
}

/* ===== Login Box ===== */
.login-box {
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 20px;
  padding: 40px 35px;
  width: 350px;
  text-align: center;
  color: #fff;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
  transition: transform 0.3s ease;
}

.login-box:hover {
  transform: translateY(-5px);
}

/* ===== Heading ===== */
.login-box h2 {
  font-size: 26px;
  margin-bottom: 25px;
  font-weight: 600;
  color: #fff;
}

/* ===== Input Container ===== */
.input-container {
  position: relative;
  margin-bottom: 25px;
}

.input-container input {
  width: 100%;
  padding: 12px 10px;
  border: none;
  border-bottom: 2px solid #ccc;
  background: transparent;
  color: #fff;
  font-size: 16px;
  outline: none;
  transition: all 0.3s ease;
}

/* ===== Floating Label ===== */
.input-container label {
  position: absolute;
  top: 12px;
  left: 10px;
  color: #ddd;
  font-size: 16px;
  pointer-events: none;
  transition: all 0.3s ease;
}

.input-container input:focus ~ label,
.input-container input:not(:placeholder-shown) ~ label {
  top: -10px;
  left: 5px;
  font-size: 13px;
  color: #fff;
}

/* ===== Input Focus Glow ===== */
.input-container input:focus {
  border-bottom: 2px solid #00e0ff;
  box-shadow: 0 2px 10px rgba(0, 224, 255, 0.4);
}

/* ===== Button ===== */
button {
  width: 100%;
  padding: 12px;
  background: linear-gradient(135deg, #00e0ff, #7b2ff7);
  border: none;
  border-radius: 30px;
  color: #fff;
  font-size: 16px;
  cursor: pointer;
  transition: 0.3s;
}

button:hover {
  background: linear-gradient(135deg, #7b2ff7, #00e0ff);
  transform: scale(1.05);
}

/* ===== Error Message ===== */
.error-msg {
  margin-top: 15px;
  color: #ffb3b3;
  font-size: 14px;
  background: rgba(255, 0, 0, 0.1);
  padding: 8px;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

/* ===== Responsive ===== */
@media (max-width: 400px) {
  .login-box {
    width: 90%;
    padding: 30px 20px;
  }
}