body {
    align-items: center;
    background: linear-gradient(135deg, #1a1a2e, #16213e, #0f3460);
    display: flex;
    justify-content: center;
    height: 100vh;
    margin: 0;
}

.form {
    background-color: #1b1b3a;
    border-radius: 20px;
    box-sizing: border-box;
    height: 420px;
    padding: 20px;
    width: 320px;
    box-shadow: 0 0 25px rgba(0, 200, 255, 0.5);
}

.title {
    color: #00d4ff;
    font-family: sans-serif;
    font-size: 32px;
    font-weight: 700;
    margin-top: 20px;
    text-align: center;
}

.subtitle {
    color: #aaa;
    font-family: sans-serif;
    font-size: 15px;
    margin-top: 10px;
    text-align: center;
}

.input-container {
    height: 50px;
    position: relative;
    width: 100%;
}

.ic1 {
    margin-top: 40px;
}

.ic2 {
    margin-top: 30px;
}

.input {
    background-color: #252547;
    border-radius: 12px;
    border: 0;
    box-sizing: border-box;
    color: #fff;
    font-size: 18px;
    height: 100%;
    outline: 0;
    padding: 4px 20px 0;
    width: 100%;
}

.cut {
    background-color: #1b1b3a;
    border-radius: 10px;
    height: 20px;
    left: 20px;
    position: absolute;
    top: -20px;
    transform: translateY(0);
    transition: transform 200ms;
}

.cut-short {
    width: 75px;
}

.input:focus~.cut,
.input:not(:placeholder-shown)~.cut {
    transform: translateY(8px);
}

.placeholder {
    color: #808097;
    font-family: sans-serif;
    left: 20px;
    line-height: 14px;
    pointer-events: none;
    position: absolute;
    transform-origin: 0 50%;
    transition: transform 200ms, color 200ms;
    top: 20px;
}

.input:focus~.placeholder,
.input:not(:placeholder-shown)~.placeholder {
    transform: translateY(-30px) translateX(10px) scale(0.75);
}

.input:not(:placeholder-shown)~.placeholder {
    color: #aaa;
}

.input:focus~.placeholder {
    color: #00d4ff;
}

.submit {
    background: linear-gradient(135deg, #00c6ff, #0072ff);
    border-radius: 12px;
    border: 0;
    box-sizing: border-box;
    color: #fff;
    cursor: pointer;
    font-size: 18px;
    font-weight: bold;
    height: 50px;
    margin-top: 40px;
    text-align: center;
    width: 100%;
    transition: 0.3s;
}

.submit:hover {
    background: linear-gradient(135deg, #0072ff, #00c6ff);
    box-shadow: 0 0 15px rgba(0, 200, 255, 0.6);
}

.submit:active {
    background: #0059b3;
}