:root {
    color-scheme: dark;
    --green: #78e08f;
    --green-dark: #2f9e5b;
    --ink: #f5f7f4;
    --muted: #b8c2ba;
    --danger: #ff8b8b;
    --panel: rgba(17, 24, 20, .9);
}

* { box-sizing: border-box; }

body {
    min-height: 100vh;
    margin: 0;
    display: grid;
    place-items: center;
    padding: 1.25rem;
    color: var(--ink);
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background:
        radial-gradient(circle at 20% 15%, rgba(120, 224, 143, .18), transparent 30rem),
        #080c09;
}

.card {
    width: min(100%, 430px);
    padding: clamp(1.5rem, 6vw, 2.5rem);
    border: 1px solid rgba(255, 255, 255, .1);
    border-radius: 24px;
    background: var(--panel);
    box-shadow: 0 30px 80px rgba(0, 0, 0, .45);
}

.brand {
    color: var(--green);
    font-size: .78rem;
    font-weight: 800;
    letter-spacing: .18em;
    text-decoration: none;
    text-transform: uppercase;
}

h1 { margin: 1rem 0 .5rem; }
.lead, .switch { color: var(--muted); }

label {
    display: block;
    margin: 1.1rem 0 .45rem;
    font-size: .9rem;
    font-weight: 700;
}

input {
    width: 100%;
    padding: .9rem 1rem;
    color: var(--ink);
    font: inherit;
    border: 1px solid rgba(255, 255, 255, .16);
    border-radius: 12px;
    outline: none;
    background: rgba(255, 255, 255, .05);
}

input:focus { border-color: var(--green); }

.permission-choice {
    padding: .85rem;
    display: flex;
    align-items: flex-start;
    gap: .7rem;
    cursor: pointer;
    border: 1px solid rgba(120, 224, 143, .18);
    border-radius: 12px;
    background: rgba(120, 224, 143, .05);
}

.permission-choice input {
    width: 1rem;
    margin-top: .15rem;
    accent-color: var(--green);
}

.permission-choice span { display: grid; gap: .2rem; }
.permission-choice small { color: var(--muted); font-weight: 400; }

.avatar-picker {
    margin: 1.15rem 0 0;
    padding: 0;
    border: 0;
}

.avatar-picker legend {
    margin-bottom: .55rem;
    font-size: .9rem;
    font-weight: 700;
}

.avatar-options {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: .5rem;
}

.avatar-options label {
    margin: 0;
    padding: .55rem .25rem;
    display: grid;
    place-items: center;
    gap: .3rem;
    cursor: pointer;
    border: 1px solid rgba(255, 255, 255, .12);
    border-radius: 10px;
    background: rgba(255, 255, 255, .035);
}

.avatar-options input {
    position: absolute;
    width: 1px;
    opacity: 0;
}

.avatar-options label:has(input:checked) {
    border-color: var(--green);
    background: rgba(120, 224, 143, .12);
}

.avatar-options img {
    width: 32px;
    height: 32px;
    image-rendering: pixelated;
}

.avatar-options span {
    max-width: 100%;
    overflow: hidden;
    color: var(--muted);
    font-size: .62rem;
    text-overflow: ellipsis;
    white-space: nowrap;
}

button {
    width: 100%;
    margin-top: 1.4rem;
    padding: .95rem;
    color: #071109;
    font: inherit;
    font-weight: 850;
    cursor: pointer;
    border: 0;
    border-radius: 12px;
    background: var(--green);
}

button:hover { background: #91eba4; }

.error {
    margin: 1rem 0;
    padding: .8rem 1rem;
    color: var(--danger);
    border: 1px solid rgba(255, 139, 139, .28);
    border-radius: 10px;
    background: rgba(255, 139, 139, .08);
}

.switch { margin: 1.25rem 0 0; text-align: center; }
.switch a { color: var(--green); }

.success {
    padding: .8rem 1rem;
    color: var(--green);
    border: 1px solid rgba(120, 224, 143, .28);
    border-radius: 10px;
    background: rgba(120, 224, 143, .08);
}

.profile-heading {
    margin-top: 1.2rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.profile-heading h1, .profile-heading p { margin: 0; }
.profile-heading img {
    width: 64px;
    height: 64px;
    image-rendering: pixelated;
    border: 2px solid var(--green);
    border-radius: 14px;
    background: rgba(120, 224, 143, .1);
}