* { margin: 0; padding: 0; box-sizing: border-box; }
    :root { --bg: #FFFFF8; --text: #111111; --border: rgba(17, 17, 17, 0.15); --muted: rgba(0,0,0,0.4); }
    body.dark { --bg: #111111; --text: #FFFFF8; --border: rgba(255, 255, 248, 0.15); --muted: rgba(255,255,255,0.4); }
    body { font-family: -apple-system, BlinkMacSystemFont, 'Helvetica Neue', Arial, sans-serif; background: var(--bg); color: var(--text); line-height: 1.4; letter-spacing: -0.02em; transition: background 0.2s, color 0.2s; }
    a { color: inherit; text-decoration: none; }

    .topbar { border-bottom: 1px solid var(--border); padding: 20px 40px; display: flex; justify-content: space-between; align-items: center; }
    .topbar-left { display: flex; align-items: center; gap: 24px; }
    .topbar-left a { font-size: 14px; opacity: 0.5; }
    .topbar-left a:hover { opacity: 1; }
    .topbar-left a.active { opacity: 1; }
    .topbar-title { font-size: 14px; }
    .topbar-right button { background: none; border: 1px solid var(--border); color: var(--text); padding: 6px 12px; font-family: inherit; font-size: 13px; cursor: pointer; }

    .content { max-width: 960px; margin: 0 auto; padding: 40px; }
    .page-label { font-size: 11px; text-transform: uppercase; letter-spacing: 0.12em; opacity: 0.4; margin-bottom: 12px; }
    .page-title { font-size: 36px; font-weight: 400; letter-spacing: -0.03em; line-height: 1.1; margin-bottom: 16px; }
    .page-desc { font-size: 14px; opacity: 0.5; margin-bottom: 40px; }

    /* Stats */
    .stats-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; border: 1px solid var(--border); margin-bottom: 40px; }
    .stat { padding: 20px; border-right: 1px solid var(--border); text-align: center; }
    .stat:last-child { border-right: none; }
    .stat-val { font-size: 28px; }
    .stat-lbl { font-size: 11px; text-transform: uppercase; letter-spacing: 0.1em; opacity: 0.4; margin-top: 4px; }

    /* XP bar */
    .xp-section { border: 1px solid var(--border); padding: 24px; margin-bottom: 40px; }
    .xp-header { display: flex; justify-content: space-between; margin-bottom: 12px; font-size: 14px; }
    .xp-header span:last-child { opacity: 0.5; }
    .xp-track { height: 4px; background: rgba(128,128,128,0.2); }
    .xp-track .fill { height: 100%; background: var(--text); transition: width 0.5s; }

    /* Rank */
    .rank-section { border: 1px solid var(--border); padding: 24px; margin-bottom: 40px; }
    .rank-current { display: flex; align-items: center; gap: 16px; margin-bottom: 16px; }
    .rank-badge { font-size: 36px; }
    .rank-name { font-size: 18px; }
    .rank-sub { font-size: 12px; opacity: 0.4; margin-top: 2px; }
    .rank-next { font-size: 13px; opacity: 0.5; padding-top: 12px; border-top: 1px solid var(--border); }

    /* Rank ladder */
    .rank-ladder { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 1px; border: 1px solid var(--border); margin-bottom: 40px; }
    .rl-item { padding: 12px; border-right: 1px solid var(--border); border-bottom: 1px solid var(--border); font-size: 12px; opacity: 0.25; }
    .rl-item.achieved { opacity: 1; }
    .rl-item.is-current { opacity: 1; background: var(--text); color: var(--bg); }
    .rl-badge { font-size: 20px; }
    .rl-name { margin-top: 4px; }
    .rl-xp { opacity: 0.5; font-size: 11px; }

    /* Phase list */
    .phase-list { margin-bottom: 40px; }
    .ph-row { border: 1px solid var(--border); margin-bottom: -1px; padding: 16px 20px; display: flex; align-items: center; gap: 16px; }
    .ph-id { font-size: 14px; width: 32px; }
    .ph-info { flex: 1; }
    .ph-name { font-size: 14px; }
    .ph-detail { font-size: 12px; opacity: 0.4; margin-top: 2px; }
    .ph-bar { width: 100px; }
    .ph-bar-track { height: 3px; background: rgba(128,128,128,0.2); }
    .ph-bar-track .fill { height: 100%; background: var(--text); }
    .ph-pct { font-size: 13px; opacity: 0.5; width: 36px; text-align: right; }
    .ph-status { font-size: 11px; opacity: 0.4; width: 72px; text-align: right; }

    /* Badges */
    .badges-section { border: 1px solid var(--border); padding: 24px; margin-bottom: 40px; }
    .badges-title { font-size: 11px; text-transform: uppercase; letter-spacing: 0.1em; opacity: 0.4; margin-bottom: 16px; }
    .badges-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; }
    .badge-item { padding: 16px; border: 1px solid var(--border); text-align: center; opacity: 0.2; }
    .badge-item.earned { opacity: 1; }
    .bi-icon { font-size: 24px; }
    .bi-name { font-size: 12px; margin-top: 4px; }
    .bi-desc { font-size: 11px; opacity: 0.4; margin-top: 2px; }

    @media (max-width: 600px) {
      .content { padding: 20px; }
      .stats-row { grid-template-columns: repeat(2, 1fr); }
      .rank-ladder { grid-template-columns: repeat(2, 1fr); }
      .badges-grid { grid-template-columns: 1fr; }
      .page-title { font-size: 28px; }
      .ph-row { flex-wrap: wrap; }
    }
      /* Nav */
    .logo{font-size:18px;font-weight:500;display:flex;align-items:center;gap:12px;color:var(--text);text-decoration:none}
    @media(max-width:768px){.nav-center{display:none}}