:root { color-scheme: dark; font-family: Inter, system-ui, sans-serif; background: #08090d; color: #f6f7fb; }
* { box-sizing: border-box; }
body { min-height: 100vh; margin: 0; background: radial-gradient(circle at top, #1a2859 0, #08090d 45%); }
.shell { width: min(100% - 32px, 640px); margin: 0 auto; padding: 64px 0; }
header { margin-bottom: 28px; }
.eyebrow { margin: 0 0 8px; color: #8ab4ff; font-size: .78rem; font-weight: 800; letter-spacing: .15em; text-transform: uppercase; }
h1, h2, p { margin-top: 0; }
h1 { margin-bottom: 8px; font-size: clamp(2rem, 7vw, 3rem); }
h2 { margin-bottom: 8px; font-size: 1.25rem; }
.subtitle, .card > p, .hint, footer { color: #b6bccd; line-height: 1.55; }
.card { padding: 26px; border: 1px solid #293041; border-radius: 18px; background: rgba(20, 23, 33, .9); box-shadow: 0 18px 50px rgba(0, 0, 0, .25); }
.card + .card { margin-top: 20px; }
form { display: grid; gap: 16px; margin-top: 22px; }
label { display: grid; gap: 7px; font-size: .9rem; font-weight: 700; }
input, select, button { min-height: 46px; border-radius: 10px; font: inherit; }
input, select { width: 100%; padding: 0 12px; border: 1px solid #3b4357; background: #111522; color: #fff; }
input:focus, select:focus { outline: 2px solid #79a8ff; outline-offset: 2px; }
button { border: 0; padding: 0 16px; background: #4f88ff; color: #061126; cursor: pointer; font-weight: 800; }
button:hover { background: #77a7ff; }
button:disabled { cursor: wait; opacity: .65; }
button[data-loading="true"]::after { content: '…'; }
button.secondary { min-height: 36px; background: transparent; border: 1px solid #4a5369; color: #e9ecf5; }
.account-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 22px; color: #cbd3e8; font-size: .9rem; }
.status-box { margin: 0 0 26px; padding: 16px; border-radius: 12px; background: #111827; }
.status-box p { margin: 7px 0 0; color: #b6c3de; line-height: 1.5; }
.hint { margin-bottom: 0; font-size: .86rem; }
.message { margin: 0 0 18px; padding: 13px 15px; border-radius: 10px; background: #1f2b48; color: #dbe7ff; }
.message[data-type="error"] { background: #451d29; color: #ffdce3; }
.message[data-type="success"] { background: #153d2c; color: #d8ffe7; }
footer { margin-top: 26px; font-size: .8rem; text-align: center; }
@media (max-width: 480px) { .shell { width: min(100% - 24px, 640px); padding: 32px 0; } .card { padding: 20px; } }