.dash-nav{background:var(--surface);z-index:100;box-shadow:var(--shadow-nav);justify-content:space-between;align-items:center;max-width:900px;margin:0 auto;padding:14px 24px;display:flex;position:sticky;top:0}.dash-nav-links{align-items:center;gap:12px;display:flex}.dash-nav-links a{border-radius:var(--radius-pill);color:var(--ink2);background:var(--bg);padding:8px 16px;font-size:14px;font-weight:800;text-decoration:none;transition:all .15s}.dash-nav-links a:hover{background:var(--surface-brand);color:var(--brand)}.dashboard{max-width:900px;margin:0 auto;padding:24px 16px}.dash-header{margin-bottom:28px}.dash-header h1{font-family:var(--font-display);color:var(--ink);font-size:28px;font-weight:800}.dash-header p{color:var(--ink2);margin-top:4px;font-size:15px}.dash-profiles{flex-wrap:wrap;gap:10px;margin-bottom:28px;display:flex}.dash-profile-btn{border-radius:var(--radius-pill);border:2.5px solid var(--border-light);background:var(--surface);cursor:pointer;color:var(--ink2);font-size:15px;font-weight:800;font-family:var(--font-body);padding:10px 20px;transition:all .15s}.dash-profile-btn.active{border-color:var(--brand);background:var(--surface-brand);color:var(--brand)}.dash-stats{grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:14px;margin-bottom:28px;display:grid}.stat-card{background:var(--surface);border-radius:var(--radius);text-align:center;border:2px solid var(--border);padding:20px}.stat-value{color:var(--ink);font-size:32px;font-weight:900;font-family:var(--font-display)}.stat-label{color:var(--ink3);margin-top:4px;font-size:13px;font-weight:800}.stat-icon{margin-bottom:6px;font-size:28px;display:block}.dash-section{margin-bottom:28px}.dash-section h2{font-family:var(--font-display);color:var(--ink);margin-bottom:16px;font-size:20px;font-weight:800}.mastery-grid{gap:12px;display:grid}.mastery-row{background:var(--surface);border-radius:var(--radius);border:2px solid var(--border);grid-template-columns:100px 1fr 60px;align-items:center;gap:12px;padding:16px 20px;display:grid}.mastery-skill{color:var(--ink);font-size:15px;font-weight:800}.mastery-bar-track{background:var(--bg);border-radius:7px;height:14px;position:relative;overflow:hidden}.mastery-bar-fill{background:linear-gradient(90deg, var(--brand), var(--brand-hover));border-radius:7px;height:100%;transition:width .6s}.mastery-bar-fill.low{background:linear-gradient(90deg, var(--bad), #f87171)}.mastery-bar-fill.mid{background:linear-gradient(90deg, var(--brand3), #fbbf24)}.mastery-bar-fill.high{background:linear-gradient(90deg, var(--ok), #4ade80)}.mastery-pct{color:var(--ink2);text-align:right;font-size:15px;font-weight:900}.mastery-detail{color:var(--ink3);margin-top:4px;font-size:12px}.suggestion-card{border-radius:var(--radius);text-align:center;background:linear-gradient(135deg,#fdf4ff,#eff6ff);border:2px solid #e9d5ff;margin-bottom:28px;padding:20px}.suggestion-card .emoji{margin-bottom:8px;font-size:36px;display:block}.suggestion-card p{color:var(--ink);font-size:16px;font-weight:800;line-height:1.5}.suggestion-card .action{border-radius:var(--radius-pill);background:var(--brand);color:#fff;margin-top:12px;padding:10px 24px;font-size:14px;font-weight:800;text-decoration:none;transition:opacity .15s;display:inline-block}.suggestion-card .action:hover{opacity:.9}.session-list{gap:10px;display:grid}.session-item{background:var(--surface);border:2px solid var(--border-light);border-radius:16px;grid-template-columns:1fr auto;align-items:center;gap:8px;padding:14px 18px;display:grid}.session-info{color:var(--ink2);font-size:14px;font-weight:700}.session-info strong{color:var(--ink);font-weight:900}.session-score{border-radius:var(--radius-pill);padding:6px 14px;font-size:14px;font-weight:800}.session-score.good{background:var(--ok-bg);color:var(--ok-text)}.session-score.ok{color:#92400e;background:#fef3c7}.session-score.bad{background:var(--bad-bg);color:var(--bad-text)}@media (width<=640px){.mastery-row{grid-template-columns:80px 1fr 50px}.dash-stats{grid-template-columns:repeat(2,1fr)}}