html,
body {
    height: 100%;
}

body {
    margin: 0;
    font-family: "Inter", system-ui, sans-serif;
    display: flex;
    align-items: center;
    justify-content: center;
    background: radial-gradient(circle at top, #2c5364, #0f2027);
    color: #ffffff;
}

/* Card */
.field {
    width: 420px;
    padding: 26px 30px 24px;
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(16px);
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.45);
    position: relative;
}

/* Input */
.field input {
    width: 100%;
    padding: 14px 32px 8px 0;
    font-size: 16px;
    color: #ffffff;
    background: none;
    border: 0;
    border-bottom: 2px solid rgba(255, 255, 255, 0.25);
    transition: border-color 0.3s ease;
}

.field input:focus {
    outline: none;
    border-bottom-color: #4fc3ff;
}

.field input:invalid {
    box-shadow: none;
}

/* Label wrapper */
.field label {
    position: absolute;
    top: 30px;
    left: 30px;
    right: 30px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    pointer-events: none;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.6);
    transition: all 0.25s ease;
}

/* Floating label */
.field input:focus+label,
.field input:valid+label,
.field input.hasValue+label {
    transform: translateY(-22px);
    font-size: 12px;
    color: #4fc3ff;
    pointer-events: auto;
}

/* Toggle Password */
.field .togglePass {
    pointer-events: auto;
    border: 0;
    background: none;
    width: 28px;
    height: 28px;
    cursor: pointer;
    opacity: 0;
    color: #ffffff;
    font-size: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.25s ease, transform 0.25s ease;
}

.field .togglePass:hover {
    transform: scale(1.15);
}

/* Toggle visibility state */
.field input:focus+label .togglePass,
.field input:valid+label .togglePass,
.field input.hasValue+label .togglePass {
    opacity: 0.65;
}

.field input:focus+label .togglePass.active,
.field input:valid+label .togglePass.active,
.field input.hasValue+label .togglePass.active {
    opacity: 1;
}

/* Rules */
.field__rules {
    margin: 22px 0 0;
    padding: 0;
    list-style: none;
    display: grid;
    grid-template-columns: 1fr 1fr;
    row-gap: 8px;
    column-gap: 18px;
    font-size: 13px;
}

/* Rule item */
.field__rules li {
    display: flex;
    align-items: center;
    color: rgba(255, 255, 255, 0.55);
    transition: color 0.25s ease;
}

/* Rule icon */
.field__rules li::before {
    content: "✔";
    margin-right: 8px;
    font-size: 12px;
    color: rgba(255, 255, 255, 0.3);
    transition: color 0.25s ease, text-shadow 0.25s ease;
}

/* Passed rule */
.field__rules li.pass {
    color: #ffffff;
}

.field__rules li.pass::before {
    color: #4fc3ff;
    text-shadow: 0 0 10px rgba(79, 195, 255, 0.9);
}