:root { --bg: #F5F3EE; --ink: #17201B; --accent: #4F6BFF; --live: #C7FF4A; --danger: #B42318; --muted: #5B655F; }
@media (prefers-color-scheme: dark) { :root { --bg: #101411; --ink: #F5F3EE; --muted: #A9B3AC; } }
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 17px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; }
.top { display: flex; flex-wrap: wrap; gap: 12px 24px; align-items: center; justify-content: space-between; padding: 20px clamp(16px, 5vw, 48px); border-bottom: 1px solid rgba(127,127,127,.25); }
.brand { font-weight: 800; letter-spacing: .04em; text-decoration: none; color: var(--ink); font-size: 20px; }
nav a { margin-right: 16px; color: var(--ink); text-decoration: none; border-bottom: 2px solid transparent; }
nav a:hover, nav a:focus { border-color: var(--accent); }
main { max-width: 760px; margin: 0 auto; padding: 32px clamp(16px, 5vw, 48px) 64px; }
h1 { font-size: clamp(28px, 5vw, 40px); line-height: 1.15; margin: 0 0 8px; }
h2 { font-size: 22px; margin: 36px 0 8px; }
h3 { font-size: 18px; margin: 24px 0 4px; }
a { color: var(--accent); }
.meta { color: var(--muted); font-size: 15px; }
.note { border-left: 4px solid var(--accent); padding-left: 16px; margin-top: 40px; }
.warning { border-left: 4px solid var(--danger); padding-left: 16px; }
.card { border: 1px solid rgba(127,127,127,.35); padding: 24px; margin: 24px 0; }
.btn { display: block; width: 100%; min-height: 48px; margin: 8px 0; padding: 12px 16px; font: inherit; font-weight: 600; border: 2px solid var(--ink); background: transparent; color: var(--ink); cursor: pointer; }
.btn-dark { background: var(--ink); color: var(--bg); }
.btn-danger { border-color: var(--danger); color: var(--danger); }
.btn-danger:disabled { opacity: .5; cursor: not-allowed; }
.btn-link { border: none; text-decoration: underline; font-weight: 400; }
label { display: block; margin-top: 16px; font-weight: 600; }
input { width: 100%; min-height: 48px; padding: 8px 12px; font: inherit; border: 2px solid var(--ink); background: transparent; color: var(--ink); }
.error { color: var(--danger); }
footer { max-width: 760px; margin: 0 auto; padding: 24px clamp(16px, 5vw, 48px) 48px; color: var(--muted); font-size: 14px; border-top: 1px solid rgba(127,127,127,.25); }