:root { --bg: #07080b; --panel: #11131a; --text: #e8e9ee; --muted: #9a9ca6; --line: #2a2d38; --accent: #8fb4ff; --ok: #7ddc8a; --error: #ff8a8a; }
* { box-sizing: border-box; }
body { margin: 0; min-height: 100vh; display: grid; place-items: center; padding: 24px 16px; background: var(--bg); color: var(--text); font: 16px/1.6 "Segoe UI", Arial, Helvetica, sans-serif; }
.box { width: 100%; max-width: 460px; background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 28px 24px; }
.brand { margin: 0 0 6px; letter-spacing: 0.18em; font-size: 12px; color: var(--accent); }
h1 { margin: 0 0 10px; font-size: 22px; }
.lead, .note { color: var(--muted); font-size: 14px; }
label { display: block; margin: 18px 0 6px; font-size: 13px; letter-spacing: 0.08em; }
input { width: 100%; padding: 12px; border: 1px solid var(--line); border-radius: 6px; background: #0b0c11; color: var(--text); font: 15px/1.2 ui-monospace, Consolas, monospace; letter-spacing: 0.04em; }
input:focus-visible, button:focus-visible, a:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
button { margin-top: 14px; width: 100%; min-height: 44px; border: 0; border-radius: 6px; background: var(--accent); color: #05070c; font-weight: 600; letter-spacing: 0.12em; cursor: pointer; }
button:disabled { opacity: 0.6; cursor: progress; }
.message { min-height: 1.6em; margin: 14px 0 0; font-size: 14px; }
.message.ok { color: var(--ok); }
.message.error { color: var(--error); }
.links a { color: var(--accent); }