:root { --bg: #0d1117; --panel: #161b22; --panel2: #1c2230; --text: #e6edf3; --muted: #8b949e; --accent: #e3b341;
        --ok: #3fb950; --bad: #f85149; --line: #30363d; --link: #58a6ff; }
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); font: 16px/1.55 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
a { color: var(--link); }
header { display: flex; align-items: center; justify-content: space-between; gap: 12px; max-width: 980px; margin: 0 auto; padding: 16px; }
.brand { font-weight: 700; letter-spacing: .02em; color: var(--accent); text-decoration: none; font-size: 18px; }
nav { display: flex; gap: 14px; align-items: center; flex-wrap: wrap; }
nav a { color: var(--text); text-decoration: none; font-size: 15px; }
.lang { background: none; border: 1px solid var(--line); color: var(--muted); border-radius: 6px; padding: 3px 8px; cursor: pointer; }
main { max-width: 980px; margin: 0 auto; padding: 8px 16px 48px; }
h1 { font-size: clamp(28px, 5vw, 44px); line-height: 1.15; margin: 24px 0 14px; }
h2 { font-size: 22px; margin: 36px 0 12px; }
p.lead { color: var(--muted); font-size: 18px; margin: 0 0 24px; max-width: 760px; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 14px; margin: 20px 0; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 18px; }
.card > b, .card > div > b:first-child { display: block; margin-bottom: 6px; }
.muted { color: var(--muted); font-size: 15px; }
.btn { display: inline-block; background: var(--accent); color: #111; border: 0; border-radius: 8px; padding: 10px 18px;
       font-weight: 600; cursor: pointer; text-decoration: none; font-size: 15px; }
.btn.ghost { background: none; color: var(--text); border: 1px solid var(--line); }
.btn.danger { background: none; color: var(--bad); border: 1px solid var(--bad); }
.btn:disabled { opacity: .5; cursor: default; }
input, select { background: var(--panel2); color: var(--text); border: 1px solid var(--line); border-radius: 8px; padding: 9px 11px;
                font: inherit; width: 100%; }
label { display: block; font-size: 14px; color: var(--muted); margin: 10px 0 4px; }
.row { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 10px; }
.video { position: relative; padding-top: 56.25%; background: #000; border-radius: 10px; overflow: hidden; border: 1px solid var(--line); }
.video iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.big { font-size: 34px; font-weight: 700; }
.mono { font-family: ui-monospace, Consolas, monospace; word-break: break-all; }
.copy { display: flex; gap: 8px; align-items: center; background: var(--panel2); border: 1px solid var(--line); border-radius: 8px; padding: 8px 10px; }
.copy span { flex: 1; }
.pill { display: inline-block; border-radius: 999px; padding: 2px 10px; font-size: 13px; border: 1px solid var(--line); }
.pill.active, .pill.trial, .pill.credited { color: var(--ok); border-color: var(--ok); }
.pill.debt, .pill.off, .pill.unmatched { color: var(--bad); border-color: var(--bad); }
.warn { border-left: 3px solid var(--accent); padding: 8px 12px; background: var(--panel2); border-radius: 6px; margin: 12px 0; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 7px 8px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--muted); font-weight: 500; }
.scroll { overflow-x: auto; }
.hidden { display: none !important; }
.msg { margin-top: 10px; font-size: 14px; }
.msg.bad { color: var(--bad); } .msg.ok { color: var(--ok); }
footer { color: var(--muted); font-size: 13px; max-width: 980px; margin: 0 auto; padding: 16px; border-top: 1px solid var(--line); }