:root {
    --ink: #242238;
    --paper: #fffdf7;
    --purple: #7357ff;
    --yellow: #ffd93d;
    --pink: #ff6b8a;
    --blue: #65d6ff;
}

* { box-sizing: border-box; }

body {
    min-height: 100vh;
    margin: 0;
    color: var(--ink);
    background:
        radial-gradient(circle, rgba(255,255,255,.28) 0 3px, transparent 4px) 0 0 / 34px 34px,
        linear-gradient(135deg, #65d6ff 0%, #8c72ff 52%, #ff8dad 100%);
    font-family: "Plus Jakarta Sans", sans-serif;
}

.login-shell {
    display: grid;
    min-height: 100vh;
    padding: 72px 20px 40px;
    place-items: center;
}

.login-back {
    position: fixed;
    top: 22px;
    left: 24px;
    padding: 10px 15px;
    border: 2px solid var(--ink);
    border-radius: 12px;
    color: inherit;
    background: var(--paper);
    box-shadow: 4px 4px 0 var(--ink);
    font-weight: 800;
    text-decoration: none;
}

.login-card {
    position: relative;
    width: min(100%, 480px);
    padding: clamp(34px, 7vw, 58px);
    transform: rotate(-.5deg);
    border: 3px solid var(--ink);
    border-radius: 24px;
    background: var(--paper);
    box-shadow: 14px 16px 0 var(--ink);
}

.login-tape {
    position: absolute;
    top: -18px;
    left: 50%;
    width: 118px;
    height: 34px;
    transform: translateX(-50%) rotate(2deg);
    background: rgba(255,217,61,.88);
}

.login-sticker {
    position: absolute;
    top: 24px;
    right: 25px;
    display: grid;
    width: 54px;
    aspect-ratio: 1;
    place-items: center;
    transform: rotate(7deg);
    border: 3px solid var(--ink);
    border-radius: 16px;
    color: white;
    background: var(--purple);
    box-shadow: 4px 4px 0 var(--ink);
    font-family: "Bowlby One", sans-serif;
}

.login-kicker { margin: 0 0 14px; font: 800 11px/1.3 monospace; letter-spacing: .1em; }
.login-card h1 { margin: 0; font: 400 clamp(42px, 10vw, 66px)/.92 "Bowlby One", sans-serif; }
.login-card h1 span { color: var(--purple); -webkit-text-stroke: 2px var(--ink); text-shadow: 4px 4px 0 var(--yellow); }
.login-copy { margin: 22px 0 26px; font-weight: 600; line-height: 1.6; }
.login-alert { margin-bottom: 18px; padding: 12px 14px; border: 2px solid var(--ink); border-radius: 10px; background: #ffd5df; font-size: 13px; font-weight: 700; }
.login-card form { display: grid; gap: 18px; }
.login-card label { display: grid; gap: 8px; font-size: 13px; font-weight: 800; }
.login-card input { width: 100%; padding: 14px 15px; border: 2px solid var(--ink); border-radius: 11px; outline: none; background: white; font: inherit; }
.login-card input:focus { box-shadow: 0 0 0 4px rgba(101,214,255,.42); }
.password-field { position: relative; display: block; }
.password-field input { padding-right: 70px; }
.password-field button { position: absolute; top: 50%; right: 8px; padding: 7px 10px; transform: translateY(-50%); border: 0; border-radius: 8px; background: var(--blue); font-size: 11px; font-weight: 800; cursor: pointer; }
.login-submit { display: flex; padding: 15px 17px; align-items: center; justify-content: space-between; border: 3px solid var(--ink); border-radius: 13px; background: var(--yellow); box-shadow: 5px 6px 0 var(--ink); font-weight: 900; cursor: pointer; transition: transform .2s ease, box-shadow .2s ease; }
.login-submit:hover { transform: translateY(-3px); box-shadow: 7px 9px 0 var(--ink); }

@media (max-width: 520px) {
    .login-shell { padding-inline: 16px; }
    .login-card { padding: 48px 24px 30px; box-shadow: 8px 9px 0 var(--ink); }
    .login-sticker { width: 45px; }
}