body {
    font-family: "Comic Sans MS", "Comic Sans", cursive;
    background-image: url("../images/exploding-kittens.jpg");
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    height: 100vh;
    margin: 0;
    display: flex;
    justify-content: center;
    align-items: center;
}

.card {
    width: 340px;
    background: #fff8dc;
    border: 6px solid #000;
    border-radius: 20px;
    box-shadow: 0 12px 0 #000, 0 20px 40px rgba(0,0,0,0.3);
    overflow: hidden;
    transform: rotate(-4deg);
}

.card-header {
    background: #c9302c;
    color: white;
    text-align: center;
    padding: 15px;
    font-size: 20px;
    border-bottom: 4px solid #000;
    text-shadow: 2px 2px 0 #000;
}

.card-body {
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding: 20px;
}

.card input {
    padding: 10px;
    border: 3px solid #000;
    border-radius: 10px;
    font-size: 14px;
    background: #fff;
    transition: 0.2s;
    box-sizing: border-box;
}

.card input:focus {
    border-color: #c9302c;
    box-shadow: 0 0 8px rgba(201, 48, 44, 0.4);
    outline: none;
}

.card button {
    margin-top: 10px;
    padding: 12px;
    width: 100%;
    background: linear-gradient(180deg, #ff3c3c, #a00000);
    border: 4px solid #000;
    border-radius: 12px;
    color: white;
    font-size: 14px;
    font-weight: bold;
    box-shadow: 0 5px 0 #000;
    cursor: pointer;
    transition: 0.1s ease;
}

.card button:hover {
    transform: scale(1.03);
}

.card button:active {
    transform: translateY(3px);
    box-shadow: 0 2px 0 #000;
}

.home-btn {
    color: white;
    font-weight: bold;
    font-size: 16px;
    position: fixed;
    top: 20px;
    right: 20px;
}

.home-btn i {
    font-size: 18px;
}

.register-btn {
    color: white;
    font-weight: bold;
    font-size: 16px;
    position: fixed;
    top: 100px;
    right: 20px;
}

.register-btn i {
    font-size: 18px;
}

button {
    margin-top: 10px;
    padding: 12px;
    background: linear-gradient(180deg, #ff3c3c, #a00000);
    border: 4px solid #000;
    border-radius: 12px;
    color: white;
    font-size: 14px;
    box-shadow: 0 5px 0 #000;
    transition: 0.1s;
}

button:hover {
    transform: scale(1.03);
}

button:active {
    transform: translateY(3px);
    box-shadow: 0 2px 0 #000;
}