/* Synkrift: the game's look (dark surfaces, blue accent). System fonts only: no third-party requests from visitors. */
:root {
    --bg: #101116; --surface: #15171e; --raised: #1e2129; --line: #2c3040;
    --text: #eceef4; --dim: #9ba1b3; --accent: #5c9eff; --accent-text: #0b1220; --warning: #f4c95d;
    --radius: 12px;
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    color-scheme: dark;
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--text); }
body { min-height: 100vh; display: flex; flex-direction: column; line-height: 1.55; }
a { color: var(--accent); }
a:hover { color: #a9cbff; }

header.top { display: flex; align-items: center; gap: 24px; padding: 14px 32px; background: var(--surface); border-bottom: 1px solid var(--line); }
header.top .brand { font-size: 1.4rem; font-weight: 700; letter-spacing: .5px; color: var(--text); text-decoration: none; }
header.top nav { display: flex; gap: 18px; }
header.top nav a { color: var(--dim); text-decoration: none; }
header.top nav a:hover { color: var(--text); }
header.top .spacer { flex: 1; }
header.top .lang { color: var(--dim); text-decoration: none; font-size: .95rem; }

main { flex: 1; width: 100%; max-width: 1080px; margin: 0 auto; padding: 48px 32px; }
footer { display: flex; gap: 10px; justify-content: center; padding: 20px; color: var(--dim); font-size: .9rem; border-top: 1px solid var(--line); }
footer a { color: var(--dim); }

.button { display: inline-block; padding: 10px 20px; border-radius: var(--radius); background: var(--raised); color: var(--text); text-decoration: none; border: 1px solid var(--line); }
.button.primary { background: var(--accent); color: var(--accent-text); border-color: var(--accent); font-weight: 600; }
.button.disabled { opacity: .5; cursor: default; }

.hero { padding: 40px 0 56px; }
.hero h1 { font-size: clamp(2rem, 5vw, 3.2rem); line-height: 1.1; margin: 0 0 16px; }
.hero .lead { font-size: 1.2rem; color: var(--dim); max-width: 640px; margin: 0 0 28px; }

.features { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 20px; }
.features article, .card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; }
.features h2, .card h2 { font-size: 1.15rem; margin: 0 0 8px; }
.features p { color: var(--dim); margin: 0; }

.page h1 { margin-top: 0; }
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; margin-top: 24px; }
.muted { color: var(--dim); }
.notice { padding: 12px 16px; border-radius: var(--radius); background: rgba(244, 201, 93, .1); border: 1px solid rgba(244, 201, 93, .35); color: var(--warning); }
.prose { max-width: 760px; }

@media (max-width: 640px) {
    header.top { flex-wrap: wrap; gap: 12px; padding: 12px 18px; }
    main { padding: 32px 18px; }
}

/* Accounts: header, forms, messages */
header.top .you { color: var(--text); font-weight: 600; text-decoration: none; }
header.top a { white-space: nowrap; }
form.inline { display: inline; margin: 0; }
.linklike { background: none; border: 0; padding: 0; color: var(--dim); font: inherit; cursor: pointer; }
.linklike:hover { color: var(--text); }
.button.small { padding: 6px 14px; }
.button.danger { background: #8f2b33; border-color: #b8404a; color: #fff; }
button.button { font: inherit; cursor: pointer; }

.narrow { max-width: 560px; }
.form { display: flex; flex-direction: column; gap: 10px; margin: 12px 0 28px; }
.form.row { flex-direction: row; align-items: center; }
.form label { font-weight: 600; }
.form input[type=text], .form input:not([type]), .form select {
    font: inherit; color: var(--text); background: var(--raised); border: 1px solid var(--line);
    border-radius: 10px; padding: 10px 12px; min-height: 44px;
}
.form input:focus, .form select:focus, .button:focus-visible, .linklike:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.form .check { display: flex; gap: 10px; align-items: center; font-weight: 400; }
.form .check input { width: 20px; height: 20px; }
.form .button { align-self: flex-start; }
.hint { color: var(--dim); font-size: .92rem; margin: 0; }
.error { color: #ff8b8b; margin: 0; }
.success { color: #7ddf9e; }
h2.danger { color: #ff8b8b; }

/* Linking the game */
.card.device { text-align: center; margin: 16px 0; }
.card.device .code { font-family: ui-monospace, "Cascadia Mono", Consolas, monospace; font-size: 2rem; letter-spacing: 4px; margin: 0 0 6px; color: var(--accent); }
.code-input { font-family: ui-monospace, "Cascadia Mono", Consolas, monospace; letter-spacing: 3px; text-transform: uppercase; max-width: 220px; }
.row-buttons { display: flex; gap: 12px; margin-top: 16px; }
.devices { display: flex; flex-direction: column; gap: 10px; margin: 12px 0 28px; }
.device-row { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 12px 16px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); }
.device-row .hint { display: block; }

/* Leaderboards, chart pages, profiles */
.tabs { display: flex; flex-wrap: wrap; gap: 8px; margin: 8px 0 20px; }
.tab { padding: 8px 14px; border-radius: 999px; background: var(--surface); border: 1px solid var(--line); color: var(--dim); text-decoration: none; white-space: nowrap; }
.tab.on { background: var(--accent); border-color: var(--accent); color: var(--accent-text); font-weight: 600; }
.tab .stars { opacity: .8; margin-left: 4px; }
.scroll { overflow-x: auto; }
table.board { width: 100%; border-collapse: collapse; font-variant-numeric: tabular-nums; }
table.board th { text-align: left; font-weight: 500; color: var(--dim); font-size: .9rem; padding: 8px 10px; border-bottom: 1px solid var(--line); }
table.board td { padding: 10px; border-bottom: 1px solid var(--line); white-space: nowrap; }
table.board tbody tr:nth-child(odd) { background: var(--surface); }
table.board .num { text-align: right; }
table.board .rank { color: var(--dim); width: 3.5em; }
table.board tbody tr:first-child .rank { color: var(--accent); font-weight: 700; }
.strong { font-weight: 700; }
.grade { font-weight: 700; color: var(--dim); }
.grade-ss, .grade-s { color: #f5c95c; } .grade-a { color: #7ddf9e; } .grade-b { color: var(--accent); }
.mod { display: inline-block; padding: 1px 7px; margin-right: 4px; border-radius: 6px; background: var(--raised); border: 1px solid var(--line); font-size: .8rem; font-weight: 700; letter-spacing: .5px; cursor: default; }
.pager { display: flex; gap: 14px; align-items: center; justify-content: center; margin-top: 18px; }
.card.stat .big { font-size: 2rem; font-weight: 700; margin: 4px 0; }
.card.stat .unit { font-size: 1rem; color: var(--dim); font-weight: 500; }
.ok { color: #7ddf9e; } .warn { color: #ffb36b; }
header.top .beta { font-size: .72rem; font-weight: 700; letter-spacing: .6px; text-transform: uppercase; color: var(--accent); border: 1px solid var(--accent); border-radius: 6px; padding: 1px 6px; margin-left: -14px; cursor: default; }
code.hash { font-family: ui-monospace, "Cascadia Mono", Consolas, monospace; font-size: .8rem; word-break: break-all; color: var(--dim); }