:root {
    --bg: #0b1220;
    --card: #111a2e;
    --text: #e8eefc;
    --muted: #9fb0d0;
    --accent: #6aa7ff;
    --danger: #ff6a6a;
}

* {
    box-sizing: border-box;
    font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial;
}

body {
    margin: 0;
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 24px;
    background: radial-gradient(1200px 800px at 20% 10%, #1a2a55, var(--bg));
    color: var(--text);
}

.card {
    width: min(440px, 100%);
    background: rgba(17,26,46,.78);
    border: 1px solid rgba(255,255,255,.08);
    border-radius: 16px;
    padding: 26px;
    box-shadow: 0 12px 40px rgba(0,0,0,.35);
    backdrop-filter: blur(10px);
}

h1 {
    margin: 0 0 6px 0;
    font-size: 22px;
}

.sub {
    margin: 0 0 18px 0;
    color: var(--muted);
    font-size: 13px;
}

label {
    display: block;
    font-size: 12px;
    color: var(--muted);
    margin: 14px 0 6px;
}

input {
    width: 100%;
    padding: 12px;
    border-radius: 12px;
    border: 1px solid rgba(255,255,255,.10);
    background: rgba(255,255,255,.06);
    color: var(--text);
    outline: none;
}

    input:focus {
        border-color: rgba(106,167,255,.6);
        box-shadow: 0 0 0 4px rgba(106,167,255,.12);
    }

.row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-top: 12px;
    flex-wrap: wrap;
}

.btn {
    width: 100%;
    margin-top: 18px;
    padding: 12px 14px;
    border-radius: 12px;
    border: 0;
    background: linear-gradient(135deg, #6aa7ff, #7c5cff);
    color: white;
    font-weight: 600;
    cursor: pointer;
}

.err {
    margin-top: 12px;
    color: var(--danger);
    font-size: 13px;
}

.hint {
    margin-top: 14px;
    color: var(--muted);
    font-size: 12px;
    line-height: 1.35;
}

.chk {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--muted);
    font-size: 12px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 14px;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 999px;
    background: var(--accent);
    box-shadow: 0 0 0 6px rgba(106,167,255,.15);
}