:root { --primary: #124B47; --muted: #64748B; --danger: #B91C1C; --ok: #15803D; --border: #E2E8F0; }
* { box-sizing: border-box; }
body { margin: 0; font-family: system-ui, -apple-system, "Segoe UI", Tahoma, sans-serif; background: #F1F5F9; color: #0F172A; line-height: 1.6; }
header { position: relative; background: linear-gradient(135deg, #0C2B29, #124B47); color: #fff; padding: 20px 16px 16px; text-align: center; }
header h1 { margin: 8px 0 0; font-size: 19px; }
header p { margin: 4px 0 0; opacity: .8; font-size: 13px; }
.logo { border-radius: 16px; display: block; margin: 0 auto; }
.lang { position: absolute; top: 12px; inset-inline-end: 12px; width: auto; margin: 0; padding: 6px 12px; font-size: 13px; font-weight: 600; background: rgba(255,255,255,.15); border: 1px solid rgba(255,255,255,.4); border-radius: 999px; color: #fff; cursor: pointer; }
main { max-width: 520px; margin: 0 auto; padding: 16px; }
.card { background: #fff; border: 1px solid var(--border); border-radius: 14px; padding: 16px; margin-bottom: 14px; }
h2 { font-size: 17px; margin: 0 0 10px; color: var(--primary); }
dl { margin: 0; display: grid; grid-template-columns: auto 1fr; gap: 6px 12px; font-size: 14px; }
dt { color: var(--muted); }
dd { margin: 0; font-weight: 600; word-break: break-word; }
label { display: block; font-size: 14px; margin: 12px 0 4px; font-weight: 600; }
input { width: 100%; padding: 12px; font-size: 16px; border: 1px solid var(--border); border-radius: 10px; }
input:focus { outline: 2px solid var(--primary); border-color: transparent; }
.ltr { direction: ltr; text-align: left; }
.hint { font-size: 13px; color: var(--muted); margin-top: 4px; min-height: 1.2em; }
.hint.bad { color: var(--danger); }
.hint.good { color: var(--ok); }
button { width: 100%; padding: 14px; font-size: 17px; font-weight: 700; color: #fff; background: var(--primary); border: 0; border-radius: 12px; margin-top: 16px; cursor: pointer; }
button:disabled { background: #94A3B8; cursor: not-allowed; }
.button-link { display: block; text-align: center; padding: 12px; font-weight: 700; color: #fff; background: #15803D; border-radius: 12px; text-decoration: none; }
.msg { padding: 12px; border-radius: 10px; font-size: 15px; margin-top: 14px; }
.card > .msg:first-child { margin-top: 0; }
.msg.ok { background: #DCFCE7; color: var(--ok); }
.msg.bad { background: #FEE2E2; color: var(--danger); }
.big-line { font-size: 18px; font-weight: 700; text-align: center; margin: 0 0 10px; }
.center { text-align: center; }
[hidden] { display: none !important; }