:root {
    color-scheme: dark;
    font-family: Inter, ui-sans-serif, system-ui, sans-serif;
    background: #17140b;
    color: #f5f7ff;
}

* { box-sizing: border-box; }

body {
    min-height: 100vh;
    margin: 0;
    display: grid;
    place-items: center;
    padding: 1rem;
    background:
        radial-gradient(circle at 20% 10%, rgba(243, 183, 27, .22), transparent 30rem),
        radial-gradient(circle at 80% 90%, rgba(32, 122, 80, .18), transparent 28rem),
        #17140b;
}

.auth-card {
    width: min(100%, 430px);
    padding: clamp(1.5rem, 6vw, 2.5rem);
    border: 1px solid rgba(255,255,255,.13);
    border-radius: 24px;
    background: rgba(9, 14, 39, .9);
    box-shadow: 0 28px 70px rgba(0,0,0,.4);
}

.back { color: #aab4d2; text-decoration: none; font-weight: 750; }
.eyebrow { margin: 2rem 0 .45rem; color: #f3b71b; font-size: .7rem; font-weight: 850; letter-spacing: .16em; text-transform: uppercase; }
h1 { margin: 0 0 .6rem; font-size: 2.6rem; letter-spacing: -.05em; }
.intro { margin: 0 0 1.6rem; color: #aab4d2; line-height: 1.55; }
.intro strong { color: #f5f7ff; }
.sopheons-button {
    display: flex;
    width: 100%;
    min-height: 52px;
    align-items: center;
    justify-content: center;
    padding: .75rem 1rem;
    color: #06150d;
    font-weight: 850;
    text-align: center;
    text-decoration: none;
    border-radius: 999px;
    background: linear-gradient(135deg, #5ee29e, #249b62);
    box-shadow: 0 8px 24px rgba(36, 155, 98, .22);
}
.auth-divider { display: flex; align-items: center; gap: .7rem; margin: 1.2rem 0 .7rem; color: #7f88a5; font-size: .72rem; text-transform: uppercase; letter-spacing: .06em; }
.auth-divider::before, .auth-divider::after { content: ""; height: 1px; flex: 1; background: #2b334d; }
.local-login { border: 1px solid #28314a; border-radius: 12px; background: rgba(7, 11, 24, .4); }
.local-login summary { min-height: 46px; display: flex; align-items: center; padding: 0 .85rem; color: #b8c0d8; font-size: .82rem; font-weight: 750; cursor: pointer; }
.local-login form { padding: 0 .85rem .85rem; }
label { display: grid; gap: .4rem; margin-top: 1rem; color: #dce2f5; font-size: .82rem; font-weight: 750; }
input {
    width: 100%;
    min-height: 48px;
    padding: .7rem .85rem;
    color: #fff;
    border: 1px solid #35405f;
    border-radius: 10px;
    background: #0b1024;
    outline: 0;
}
input:focus { border-color: #f3b71b; box-shadow: 0 0 0 3px rgba(243,183,27,.13); }
button {
    width: 100%;
    min-height: 50px;
    margin-top: 1.4rem;
    color: #06111b;
    font-weight: 850;
    border: 0;
    border-radius: 999px;
    background: linear-gradient(135deg, #f8cd4f, #d89b00);
    cursor: pointer;
}
button:disabled { opacity: .65; cursor: wait; }
.auth-card [hidden] { display: none !important; }
.auth-links { line-height: 1.8; }
.recovery-card {
    margin-top: 1.4rem;
    padding: 1.2rem;
    border: 1px solid rgba(117, 232, 255, .3);
    border-radius: 14px;
    background: rgba(117, 232, 255, .08);
}
.recovery-card .eyebrow { margin-top: 0; }
.recovery-card p:not(.eyebrow) { color: #b6c0dc; line-height: 1.5; }
.recovery-card code {
    display: block;
    margin: 1rem 0;
    padding: .8rem;
    overflow-wrap: anywhere;
    color: #fff;
    font-size: 1.05rem;
    text-align: center;
    border-radius: 9px;
    background: #070b18;
}
.continue-button {
    display: block;
    padding: .8rem 1rem;
    color: #06111b;
    font-weight: 850;
    text-align: center;
    text-decoration: none;
    border-radius: 999px;
    background: linear-gradient(135deg, #f8cd4f, #d89b00);
}
input[readonly] { color: #a9b4d2; }
.switch { margin: 1.3rem 0 0; color: #aab4d2; text-align: center; font-size: .88rem; }
.switch a { color: #f3c94d; }
.error { padding: .8rem 1rem; color: #ffd7de; border: 1px solid #763344; border-radius: 10px; background: #351522; }