.dashboard-shell{--dashboard-sidebar-width:256px;background:radial-gradient(circle at 94% 4%,#2da8e81c,#0000 26%),linear-gradient(135deg,#fbfffe 0%,#f6fbf9 52%,#eff8fb 100%);grid-template-columns:256px minmax(0,1fr);min-height:100vh;display:grid}.dashboard-shell.sidebar-collapsed{--dashboard-sidebar-width:88px;grid-template-columns:88px minmax(0,1fr)}.fresh-sidebar{z-index:30;border-right:1px solid var(--line);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);background:#ffffffe6;flex-direction:column;height:100vh;padding:20px 14px 14px;display:flex;position:sticky;top:0;overflow:visible}.fresh-sidebar-top{border-bottom:1px solid var(--line);align-items:center;gap:8px;padding:0 0 16px;display:flex}.fresh-sidebar-brand{flex:auto;min-width:0;padding:0 8px}.fresh-sidebar-brand-copy{gap:2px;min-width:0;display:grid}.fresh-sidebar-brand-copy strong,.fresh-sidebar-brand-copy small{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.fresh-sidebar-brand small,.fresh-sidebar-meta>span{color:var(--muted);font-size:.78rem}.fresh-sidebar-collapse{width:38px;min-height:38px}.fresh-sidebar-meta{border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;gap:10px;padding:14px 8px;display:flex}.sidebar-language-toggle{border:1px solid var(--line);min-height:38px;color:var(--teal-dark);background:#fff;border-radius:8px;padding:0 10px;font-weight:800}.fresh-nav-list{gap:4px;padding:16px 0;display:grid}.fresh-nav-list button{color:#5b6972;text-align:left;background:0 0;border:0;border-radius:8px;align-items:center;gap:12px;width:100%;min-height:40px;padding:0 14px;font-weight:780;display:flex}.fresh-nav-list button:hover,.fresh-nav-list button.is-active{color:var(--teal-dark);background:linear-gradient(90deg,#e5fbf7,#eefaff);box-shadow:0 10px 24px #0f9f8f17}.fresh-sidebar-bottom{gap:10px;margin-top:auto;display:grid}.fresh-user-card{border:1px solid var(--line);background:#fff;border-radius:8px;align-items:center;gap:12px;padding:12px;display:flex}.fresh-user-avatar{background:var(--mint);width:38px;height:38px;color:var(--teal-dark);border-radius:999px;place-items:center;display:grid}.fresh-user-card span:last-child{gap:3px;display:grid}.fresh-user-card small{color:var(--amber);font-size:.76rem;font-weight:800}.fresh-logout-button{border:1px solid var(--line);width:100%;min-height:40px;color:var(--coral);background:#fff;border-radius:8px;align-items:center;gap:10px;padding:0 14px;font-weight:800;display:flex}.dashboard-shell.sidebar-collapsed .fresh-sidebar{z-index:80;padding:20px 12px 14px}.dashboard-shell.sidebar-collapsed .fresh-nav-list,.dashboard-shell.sidebar-collapsed .fresh-sidebar-bottom{overflow:visible}.dashboard-shell.sidebar-collapsed .fresh-sidebar-top{justify-content:center;width:100%;display:grid}.dashboard-shell.sidebar-collapsed .fresh-sidebar-collapse{margin-inline:auto}.dashboard-shell.sidebar-collapsed .fresh-sidebar-brand{display:none}.dashboard-shell.sidebar-collapsed .fresh-sidebar-bottom{justify-items:center}.dashboard-shell.sidebar-collapsed .fresh-user-card{justify-content:center;width:100%;padding:10px 0}.dashboard-shell.sidebar-collapsed .fresh-user-card span:last-child,.dashboard-shell.sidebar-collapsed .nav-label{display:none}.dashboard-shell.sidebar-collapsed .fresh-nav-list button,.dashboard-shell.sidebar-collapsed .fresh-logout-button{justify-content:center;padding-inline:0}.workspace{z-index:1;width:100%;min-width:0;padding:28px clamp(20px,3vw,44px) 36px;position:relative}.workspace:has(.focus-study-page){height:100svh;padding-block:24px;display:grid;overflow:hidden}.workspace:has(.study-radio-page){height:100svh;padding:0;display:grid;overflow:hidden}.workspace:has(.study-dictation-page){height:100svh;padding:0;display:grid;overflow:hidden}.fresh-overview{gap:18px;max-width:1320px;display:grid}.fresh-overview-header{justify-content:space-between;align-items:flex-start;gap:24px;padding:18px 0 8px;display:flex}.fresh-overview-header>div:first-child>span{color:var(--teal-dark);font-weight:900}.fresh-overview-header h1{letter-spacing:0;margin:12px 0 10px;font-size:clamp(2.4rem,5vw,4.4rem);line-height:1.02}.fresh-overview-header p{max-width:640px;color:var(--muted);margin:0;line-height:1.8}.fresh-stat-pills{grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;display:grid}.fresh-stat-pills button{text-align:left;gap:10px;min-height:96px;padding:18px;display:grid}.fresh-stat-pills span{color:var(--muted);font-size:.9rem;font-weight:780}.fresh-stat-pills strong{font-size:2rem}.fresh-overview-grid{grid-template-columns:1.05fr .95fr;gap:14px;display:grid}.fresh-route-card,.fresh-mastery-card,.fresh-recent-card,.fresh-focus-card{padding:22px}.fresh-panel-title{align-items:center;gap:10px;margin-bottom:18px;display:flex}.fresh-panel-title svg{color:var(--teal)}.fresh-panel-title h2{margin:0;font-size:1.1rem}.fresh-route-list,.fresh-recent-list,.fresh-status-bars{gap:10px;display:grid}.fresh-route-list button,.fresh-recent-list button{border:1px solid var(--line);text-align:left;background:#fff;border-radius:8px;align-items:center;width:100%;display:grid}.fresh-route-list button{grid-template-columns:34px minmax(0,1fr) auto;gap:12px;min-height:74px;padding:12px}.fresh-route-list button>span,.fresh-recent-list button>span{background:var(--mint);min-width:34px;height:34px;color:var(--teal-dark);border-radius:8px;place-items:center;font-weight:900;display:grid}.fresh-route-list small,.fresh-recent-list small,.fresh-route-list em{color:var(--muted);font-style:normal}.fresh-mastery-body{grid-template-columns:190px minmax(0,1fr);align-items:center;gap:24px;display:grid}.fresh-mastery-ring{aspect-ratio:1;background:radial-gradient(circle at center, #fff 0 57%, transparent 58%), conic-gradient(var(--teal) var(--mastery), #e8efec 0);border-radius:50%;place-items:center;width:170px;display:grid}.fresh-mastery-ring strong{font-size:2.3rem}.fresh-mastery-ring span{color:var(--muted);margin-top:-52px;font-weight:780}.fresh-status-bar>div:first-child{color:var(--muted);justify-content:space-between;gap:12px;margin-bottom:8px;font-weight:780;display:flex}.fresh-status-bar>div:last-child{background:#e9efec;border-radius:999px;height:8px;overflow:hidden}.fresh-status-bar>div:last-child span{height:100%;display:block}.tone-sky{background:#35a7ff}.tone-amber{background:var(--amber)}.tone-teal{background:var(--teal)}.fresh-recent-list button{grid-template-columns:56px minmax(0,1fr);gap:12px;padding:12px}.fresh-focus-card p{color:var(--muted);margin:0;line-height:1.8}.fresh-focus-card div:last-child{flex-wrap:wrap;gap:10px;margin-top:22px;display:flex}.fresh-focus-card div:last-child span{border:1px solid var(--line);background:var(--mint);color:var(--teal-dark);border-radius:8px;padding:8px 10px;font-weight:820}
.help-tooltip-trigger{width:24px;height:24px;color:var(--teal);cursor:help;background:#eefcf9;border:1px solid #12aaa12e;border-radius:999px;justify-content:center;align-items:center;display:inline-flex;position:relative;overflow:visible}.help-tooltip-trigger svg{pointer-events:none}.help-tooltip-bubble{z-index:20;color:#fff;opacity:0;pointer-events:none;background:#172026f0;border:1px solid #ecdccae6;border-radius:8px;width:260px;max-width:min(300px,100vw - 56px);padding:9px 10px;font-size:.82rem;font-weight:740;line-height:1.45;transition:opacity .15s,transform .15s;position:absolute;box-shadow:0 14px 34px #2d3a4829}.help-tooltip-trigger.is-right .help-tooltip-bubble{top:50%;left:calc(100% + 8px);transform:translateY(calc(4px - 50%))}.help-tooltip-trigger.is-top .help-tooltip-bubble{bottom:calc(100% + 8px);left:50%;transform:translate(-50%,4px)}.help-tooltip-trigger:hover .help-tooltip-bubble,.help-tooltip-trigger:focus .help-tooltip-bubble,.help-tooltip-trigger:focus-visible .help-tooltip-bubble,.help-tooltip-trigger[data-open=true] .help-tooltip-bubble{opacity:1}.help-tooltip-trigger.is-right:hover .help-tooltip-bubble,.help-tooltip-trigger.is-right:focus .help-tooltip-bubble,.help-tooltip-trigger.is-right:focus-visible .help-tooltip-bubble,.help-tooltip-trigger.is-right[data-open=true] .help-tooltip-bubble{transform:translateY(-50%)}.help-tooltip-trigger.is-top:hover .help-tooltip-bubble,.help-tooltip-trigger.is-top:focus .help-tooltip-bubble,.help-tooltip-trigger.is-top:focus-visible .help-tooltip-bubble,.help-tooltip-trigger.is-top[data-open=true] .help-tooltip-bubble{transform:translate(-50%)}
.dashboard-overview{gap:18px;max-width:1320px;padding-bottom:24px;display:grid}.dashboard-overview-header{justify-content:space-between;align-items:flex-start;gap:24px;padding:18px 0 6px;display:flex}.dashboard-overview-header h1{letter-spacing:0;margin:0 0 8px;font-size:clamp(2rem,3.4vw,3.2rem);line-height:1.05}.dashboard-overview-header p{max-width:620px;color:var(--muted);margin:0;line-height:1.7}.dashboard-overview-actions{color:var(--ink);white-space:nowrap;align-items:center;gap:16px;font-weight:760;display:flex}.overview-top-cards{grid-template-columns:repeat(5,minmax(0,1fr));gap:14px;display:grid}.overview-top-card{border:1px solid var(--line);min-height:142px;color:var(--ink);cursor:pointer;text-align:left;background:#fff;border-radius:8px;gap:8px;padding:20px 18px 18px;transition:transform .16s,border-color .16s,box-shadow .16s;display:grid;box-shadow:0 12px 28px #234c520f}.overview-top-card:hover,.overview-top-card:focus-visible{border-color:#008f8647;transform:translateY(-1px);box-shadow:0 18px 34px #234c521a}.overview-card-icon{color:#008f86;background:#e6faf6;border-radius:8px;place-items:center;width:38px;height:38px;display:grid}.overview-top-card>span:not(.overview-card-icon){color:#60727d;font-size:.9rem;font-weight:820}.overview-top-card strong{font-size:2.05rem;line-height:1}.overview-top-card small{color:#60727d;font-weight:760}.overview-top-card.tone-green .overview-card-icon{color:#10a36d;background:#eaf9ef}.overview-top-card.tone-blue .overview-card-icon,.overview-top-card.tone-indigo .overview-card-icon{color:#2f80ed;background:#eaf3ff}.overview-top-card.tone-orange .overview-card-icon{color:#f28c18;background:#fff4e4}.overview-main-grid{grid-template-columns:minmax(0,1.1fr) minmax(360px,.8fr);gap:14px;display:grid}.overview-panel{border:1px solid var(--line);background:#fff;border-radius:8px;min-width:0;padding:20px;box-shadow:0 12px 28px #234c520d}.overview-trend-panel,.overview-route-panel,.overview-wordbook-panel{grid-column:1}.overview-weak-panel,.overview-favorite-panel,.overview-mode-panel{grid-column:2}.overview-panel-head{justify-content:space-between;align-items:center;gap:16px;margin-bottom:16px;display:flex}.overview-panel-head>div{align-items:center;gap:10px;min-width:0;display:flex}.overview-panel-head svg{color:#008f86}.overview-panel-head .overview-warning-icon{color:#e53b3b}.overview-panel-head h2{letter-spacing:0;margin:0;font-size:1rem}.overview-panel-head button{color:#008f86;cursor:pointer;white-space:nowrap;background:0 0;border:0;align-items:center;gap:4px;font-weight:860;display:inline-flex}.overview-range-tabs{border:1px solid var(--line);border-radius:8px;display:inline-flex;overflow:hidden}.overview-range-tabs button{color:#60727d;cursor:pointer;text-align:center;background:#fff;border:0;min-width:56px;padding:8px 12px;font-size:.84rem;font-weight:820}.overview-range-tabs button+button{border-left:1px solid var(--line)}.overview-range-tabs button.is-active{color:#fff;background:#008f86}.overview-chart-legend{color:#60727d;align-items:center;gap:18px;font-size:.84rem;font-weight:760;display:flex}.overview-chart-legend span{align-items:center;gap:7px;display:inline-flex}.legend-line,.legend-bar,.legend-accuracy{border-radius:999px;width:18px;height:4px;display:inline-block}.legend-line{background:#008f86}.legend-bar{background:#cfe6ff}.legend-accuracy{background:#f28c18}.overview-trend-chart{width:100%;height:auto;margin-top:12px}.overview-trend-chart text{fill:#60727d;font-size:12px;font-weight:700}.overview-week-summary{border:1px solid var(--line);border-radius:8px;grid-template-columns:repeat(4,minmax(0,1fr));display:grid;overflow:hidden}.overview-week-summary span{color:#60727d;text-align:center;gap:6px;padding:13px 12px;font-size:.82rem;font-weight:760;display:grid}.overview-week-summary span+span{border-left:1px solid var(--line)}.overview-week-summary strong{color:var(--ink);font-size:1.1rem}.overview-weak-list,.overview-route-flow,.overview-wordbook-table,.overview-mode-list{gap:10px;display:grid}.overview-weak-list button,.overview-route-flow button,.overview-wordbook-table button{border:1px solid var(--line);width:100%;color:var(--ink);cursor:pointer;text-align:left;background:#fff;border-radius:8px;align-items:center;display:grid}.overview-weak-list button{grid-template-columns:30px minmax(0,1fr) auto;gap:10px;min-height:58px;padding:8px 10px}.overview-weak-list button>span,.overview-route-flow button>span{color:#008f86;background:#e6faf6;border-radius:8px;place-items:center;width:28px;height:28px;font-size:.82rem;font-weight:900;display:grid}.overview-weak-list strong,.overview-route-flow strong{text-overflow:ellipsis;white-space:nowrap;display:block;overflow:hidden}.overview-weak-list small,.overview-route-flow small{color:#60727d;text-overflow:ellipsis;white-space:nowrap;font-size:.8rem;line-height:1.5;display:block;overflow:hidden}.overview-weak-list em{border-radius:7px;padding:5px 8px;font-size:.76rem;font-style:normal;font-weight:860}.risk-high{color:#e53b3b;background:#fff0f0}.risk-medium{color:#d97706;background:#fff4e4}.risk-low{color:#008f86;background:#e6faf6}.overview-risk-legend{color:#60727d;flex-wrap:wrap;gap:12px;margin-top:16px;font-size:.8rem;font-weight:760;display:flex}.overview-risk-legend span{align-items:center;gap:6px;display:inline-flex}.risk-dot{border-radius:50%;width:8px;height:8px}.risk-dot.high{background:#e53b3b}.risk-dot.medium{background:#f28c18}.risk-dot.low{background:#008f86}.overview-route-flow{grid-template-columns:repeat(3,minmax(0,1fr));align-items:stretch}.overview-route-flow button{grid-template-columns:32px minmax(0,1fr);gap:12px;min-height:106px;padding:14px}.overview-route-flow em{color:#60727d;grid-column:2;font-size:.78rem;font-style:normal;font-weight:780}.overview-route-note,.overview-data-note{color:#60727d;margin:14px 0 0;font-size:.84rem;line-height:1.6}.overview-data-note{border-top:1px solid var(--line);margin-top:18px;padding-top:12px}.overview-favorite-body{grid-template-columns:150px minmax(0,1fr);align-items:center;gap:20px;display:grid}.overview-donut{aspect-ratio:1;background:radial-gradient(circle at center, #fff 0 52%, transparent 53%), var(--donut);border-radius:50%;place-items:center;width:136px;display:grid}.overview-donut span{color:#60727d;margin-bottom:-46px;font-size:.8rem;font-weight:760}.overview-donut strong{font-size:1.35rem}.overview-distribution-list{gap:12px;display:grid}.overview-distribution-list div{color:#60727d;grid-template-columns:minmax(0,1fr) 36px 42px;align-items:center;gap:10px;font-size:.86rem;font-weight:760;display:grid}.overview-distribution-list span{align-items:center;gap:8px;min-width:0;display:inline-flex}.overview-distribution-list i{border-radius:50%;width:9px;height:9px}.overview-distribution-list strong{color:var(--ink);text-align:right}.overview-distribution-list em{text-align:right;font-style:normal}.overview-wordbook-table>div,.overview-wordbook-table button{grid-template-columns:minmax(180px,1.6fr) 70px 86px minmax(120px,1fr) 92px;gap:12px}.overview-wordbook-table>div{color:#60727d;padding:0 10px 6px;font-size:.8rem;font-weight:820;display:grid}.overview-wordbook-table button{color:#60727d;min-height:42px;padding:8px 10px;font-size:.86rem;font-weight:760}.overview-wordbook-table button>span:first-child{color:var(--ink);text-overflow:ellipsis;white-space:nowrap;font-weight:860;overflow:hidden}.overview-wordbook-table button>span:nth-child(4) i{background:#008f86;border-radius:999px;height:6px;display:block}.overview-wordbook-table button>span:nth-child(4){background:#edf3f2;border-radius:999px;overflow:hidden}.overview-book-title{grid-template-columns:24px auto minmax(0,1fr);align-items:center;gap:8px;min-width:0;display:grid}.overview-book-title i{color:#008f86;background:#e6faf6;border-radius:7px;place-items:center;width:24px;height:24px;display:grid}.overview-book-title em{color:#60727d;white-space:nowrap;background:#f1f7f5;border-radius:7px;padding:3px 7px;font-size:.74rem;font-style:normal;font-weight:860}.overview-book-title strong{color:var(--ink);text-overflow:ellipsis;white-space:nowrap;font-size:.86rem;overflow:hidden}.overview-mode-panel{padding-bottom:26px}.overview-mode-list div{color:#60727d;grid-template-columns:90px minmax(0,1fr) 46px;align-items:center;gap:12px;font-size:.86rem;font-weight:820;display:grid}.overview-mode-list div>div{background:#edf3f2;border-radius:999px;height:8px;display:block;overflow:hidden}.overview-mode-list 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