:root{--dt-ink-50: #F5F7FA;--dt-ink-100: #E9ECF1;--dt-ink-200: #D3D9E2;--dt-ink-300: #B0BAC8;--dt-ink-400: #8592A5;--dt-ink-500: #5E6B7F;--dt-ink-600: #444F61;--dt-ink-700: #2E3848;--dt-ink-800: #222C3C;--dt-ink-900: #1A2332;--dt-ink-950: #0F1620;--dt-brand-50: #E8F6F3;--dt-brand-100: #C6EBE4;--dt-brand-200: #93D8CB;--dt-brand-300: #2DB39C;--dt-brand-400: #1A9E88;--dt-brand-500: #0F8A78;--dt-brand-600: #0B7566;--dt-brand-700: #095E53;--dt-brand-800: #074A42;--dt-brand-900: #053630;color-scheme:light;--dt-bg: var(--dt-ink-50);--dt-surface: #FFFFFF;--dt-surface-muted: var(--dt-ink-100);--dt-border: var(--dt-ink-200);--dt-text: var(--dt-ink-900);--dt-text-muted: var(--dt-ink-500);--dt-primary: var(--dt-brand-600);--dt-primary-hover: var(--dt-brand-700);--dt-on-primary: #FFFFFF;--dt-primary-subtle: var(--dt-brand-50);--dt-link: var(--dt-brand-600);--dt-focus-ring: var(--dt-brand-500);--dt-success: var(--dt-brand-600);--dt-warning: #B45309;--dt-danger: #B91C1C;--dt-info: #1D4ED8}@media(prefers-color-scheme:dark){:root:not([data-theme=light]){color-scheme:dark;--dt-bg: var(--dt-ink-950);--dt-surface: var(--dt-ink-900);--dt-surface-muted: var(--dt-ink-800);--dt-border: var(--dt-ink-700);--dt-text: var(--dt-ink-50);--dt-text-muted: var(--dt-ink-300);--dt-primary: var(--dt-brand-300);--dt-primary-hover: var(--dt-brand-200);--dt-on-primary: var(--dt-ink-950);--dt-primary-subtle: var(--dt-brand-800);--dt-link: var(--dt-brand-300);--dt-focus-ring: var(--dt-brand-300);--dt-success: var(--dt-brand-300);--dt-warning: #F59E0B;--dt-danger: #F87171;--dt-info: #60A5FA}}:root[data-theme=dark]{color-scheme:dark;--dt-bg: var(--dt-ink-950);--dt-surface: var(--dt-ink-900);--dt-surface-muted: var(--dt-ink-800);--dt-border: var(--dt-ink-700);--dt-text: var(--dt-ink-50);--dt-text-muted: var(--dt-ink-300);--dt-primary: var(--dt-brand-300);--dt-primary-hover: var(--dt-brand-200);--dt-on-primary: var(--dt-ink-950);--dt-primary-subtle: var(--dt-brand-800);--dt-link: var(--dt-brand-300);--dt-focus-ring: var(--dt-brand-300);--dt-success: var(--dt-brand-300);--dt-warning: #F59E0B;--dt-danger: #F87171;--dt-info: #60A5FA}:root{--radius: 10px;--radius-sm: 6px;--shadow: 0 1px 2px rgb(15 22 32 / 6%), 0 4px 16px rgb(15 22 32 / 6%);--shadow-pop: 0 8px 32px rgb(15 22 32 / 18%);--sidebar-w: 248px;--font: "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;--dyb-d: var(--dt-success);--dyb-y: var(--dt-danger);--dyb-b: 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var(--dt-border);background:var(--dt-surface);color:var(--dt-text);font:inherit;font-weight:600;font-size:.9rem;cursor:pointer;text-decoration:none;white-space:nowrap}.btn:hover:not(:disabled){background:var(--dt-surface-muted)}.btn:disabled{opacity:.55;cursor:not-allowed}.btn-primary{background:var(--dt-primary);border-color:var(--dt-primary);color:var(--dt-on-primary)}.btn-primary:hover:not(:disabled){background:var(--dt-primary-hover);border-color:var(--dt-primary-hover)}.btn-danger{color:var(--dt-danger)}.btn-ghost{background:transparent;border-color:transparent}.btn-sm{height:30px;padding:0 10px;font-size:.82rem}.btn-block{width:100%}.link-btn{background:none;border:0;padding:0;font:inherit;color:var(--dt-link);cursor:pointer;display:inline-flex;align-items:center;gap:6px}.icon-btn{position:relative;display:inline-grid;place-items:center;width:38px;height:38px;border-radius:var(--radius-sm);border:0;background:transparent;color:var(--dt-text);cursor:pointer}.icon-btn:hover{background:var(--dt-surface-muted)}input,select,textarea{font:inherit;color:var(--dt-text);background:var(--dt-surface);border:1px solid var(--dt-border);border-radius:var(--radius-sm);padding:8px 10px;min-height:38px;width:100%}textarea{min-height:80px;resize:vertical}input:focus,select:focus,textarea:focus{outline:2px solid var(--dt-focus-ring);outline-offset:-1px}input[type=checkbox],input[type=radio]{width:auto;min-height:0;accent-color:var(--dt-primary)}.field{display:flex;flex-direction:column;gap:6px}.field-label{font-weight:600;font-size:.85rem}.field-hint{font-size:.8rem;color:var(--dt-text-muted)}.field-error{font-size:.85rem;color:var(--dt-danger)}.input-prefix{display:flex;border:1px solid var(--dt-border);border-radius:var(--radius-sm);background:var(--dt-surface);overflow:hidden}.input-prefix span{padding:0 12px;display:grid;place-items:center;background:var(--dt-surface-muted);color:var(--dt-text-muted);font-weight:600}.input-prefix input{border:0;border-radius:0}.check{display:flex;gap:8px;align-items:flex-start;cursor:pointer}.check input{margin-top:4px}.auth-page{min-height:100vh;display:grid;place-items:center;padding:24px 16px;background:radial-gradient(1200px 500px at 10% -10%,var(--dt-primary-subtle),transparent 60%),var(--dt-bg)}.auth-card{width:100%;max-width:420px;background:var(--dt-surface);border:1px solid var(--dt-border);border-radius:16px;box-shadow:var(--shadow);padding:32px 28px;display:flex;flex-direction:column;gap:24px}.auth-card .logo img{height:30px}.auth-card h1{font-size:1.4rem;margin-bottom:4px}.otp-input{font-size:1.6rem;letter-spacing:.5em;text-align:center;font-variant-numeric:tabular-nums;padding-left:.5em}.back-link{margin-bottom:12px;font-size:.9rem}.demo-hint{display:flex;gap:6px;align-items:center;justify-content:center;font-size:.85rem;color:var(--dt-text-muted);background:var(--dt-surface-muted);border-radius:var(--radius-sm);padding:8px}.logo{display:inline-flex}.logo img{height:24px;width:auto;display:block}.logo-dark{display:none!important}:root[data-theme=dark] .logo-dark{display:block!important}:root[data-theme=dark] .logo-light{display:none!important}@media(prefers-color-scheme:dark){:root:not([data-theme=light]) 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span{font-size:.82rem}.profile-item:hover{background:var(--dt-surface-muted)}.profile-item.active{color:var(--dt-link)}.profile-item.danger{color:var(--dt-danger);border-top:1px solid var(--dt-border);border-radius:0;padding:12px 18px}.page-header{display:flex;justify-content:space-between;align-items:flex-end;gap:16px;flex-wrap:wrap}.page-header p{margin-top:4px}.page-actions{display:flex;gap:8px;flex-wrap:wrap}.crumb{display:inline-flex;align-items:center;gap:6px;font-size:.85rem;color:var(--dt-text-muted);text-decoration:none;margin-bottom:8px}.crumb:hover{color:var(--dt-text)}.card{background:var(--dt-surface);border:1px solid var(--dt-border);border-radius:var(--radius);box-shadow:var(--shadow);padding:20px;min-width:0}.card-head{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:16px;flex-wrap:wrap}.card.flush{padding:0;overflow:hidden}.card.flush .card-head{padding:16px 20px 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var(--dt-primary-subtle)}.step.done,.step.current{color:var(--dt-text);font-weight:600}.timeline{list-style:none;margin:0;padding:0;display:flex;flex-direction:column}.timeline li{position:relative;padding:0 0 18px 24px;font-size:.88rem}.timeline li:before{content:"";position:absolute;left:5px;top:6px;width:9px;height:9px;border-radius:50%;background:var(--dt-primary)}.timeline li:after{content:"";position:absolute;left:9px;top:18px;bottom:0;width:1px;background:var(--dt-border)}.timeline li:last-child:after{display:none}.timeline li:last-child{padding-bottom:0}.timeline .meta{font-size:.8rem;color:var(--dt-text-muted)}.timeline .note{margin-top:4px;padding:6px 10px;background:var(--dt-surface-muted);border-radius:var(--radius-sm);display:inline-block}.barlist{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:12px}.barlist-row{display:flex;justify-content:space-between;gap:12px;font-size:.88rem;margin-bottom:4px}.barlist-row strong{font-variant-numeric:tabular-nums}.barlist-track{height:8px;background:var(--dt-surface-muted);border-radius:99px;overflow:hidden}.barlist-fill{height:100%;background:var(--dt-brand-500);border-radius:99px}.dyb{display:flex;height:8px;border-radius:99px;overflow:hidden;background:var(--dt-surface-muted);min-width:100px;gap:2px}.dyb-d{background:var(--dyb-d)}.dyb-y{background:var(--dyb-y)}.dyb-b{background:var(--dyb-b)}.legend{display:flex;gap:14px;font-size:.8rem;color:var(--dt-text-muted);flex-wrap:wrap}.legend i{display:inline-block;width:10px;height:10px;border-radius:3px;margin-right:6px;vertical-align:-1px}.linechart{width:100%;height:auto;display:block}.linechart .grid{stroke:var(--dt-border);stroke-width:1}.linechart .axis{fill:var(--dt-text-muted);font-size:11px}.linechart .value{fill:var(--dt-text);font-size:11px;font-weight:600}.linechart .line{fill:none;stroke:var(--dt-brand-500);stroke-width:2.5;stroke-linejoin:round}.linechart .dot{fill:var(--dt-surface);stroke:var(--dt-brand-500);stroke-width:2.5}.linechart .target{stroke:var(--dt-warning);stroke-dasharray:5 5;stroke-width:1.5}.answer-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(46px,1fr));gap:6px}.answer{border:1px solid var(--dt-border);border-radius:var(--radius-sm);padding:4px 0;text-align:center;font-size:.78rem;font-variant-numeric:tabular-nums;line-height:1.3}.answer b{display:block;font-size:.9rem}.answer.ok{background:var(--dt-primary-subtle);border-color:color-mix(in srgb,var(--dt-success) 40%,transparent)}.answer.wrong{background:color-mix(in srgb,var(--dt-danger) 10%,transparent);border-color:color-mix(in srgb,var(--dt-danger) 40%,transparent)}.dropzone{border:2px dashed var(--dt-border);border-radius:var(--radius);padding:32px 16px;text-align:center;display:flex;flex-direction:column;align-items:center;gap:8px;cursor:pointer;color:var(--dt-text-muted);transition:border-color .15s}.dropzone:hover,.dropzone.drag{border-color:var(--dt-primary);background:var(--dt-primary-subtle)}.dropzone strong{color:var(--dt-text)}.raw-line{font-family:var(--mono);font-size:.75rem;color:var(--dt-text-muted);max-width:280px;overflow:hidden;text-overflow:ellipsis}.locked{display:flex;flex-direction:column;align-items:center;text-align:center;gap:10px;padding:40px 16px;color:var(--dt-text-muted)}.locked svg{color:var(--dt-text)}.locked strong{color:var(--dt-text);font-size:1.05rem}.modal-backdrop{position:fixed;inset:0;background:#0f162073;display:grid;place-items:center;padding:16px;z-index:100}.modal{background:var(--dt-surface);border-radius:14px;box-shadow:var(--shadow-pop);width:100%;max-width:520px;max-height:calc(100vh - 32px);display:flex;flex-direction:column}.modal-head{display:flex;justify-content:space-between;align-items:center;padding:16px 20px;border-bottom:1px solid var(--dt-border)}.modal-body{padding:20px;overflow-y:auto;display:flex;flex-direction:column;gap:16px}.modal-foot{padding:14px 20px;border-top:1px solid var(--dt-border);display:flex;justify-content:flex-end;gap:8px}.toasts{position:fixed;bottom:20px;right:20px;display:flex;flex-direction:column;gap:8px;z-index:200}.toast{display:flex;gap:10px;align-items:center;padding:12px 16px;border-radius:var(--radius-sm);background:var(--dt-ink-900);color:#fff;box-shadow:var(--shadow-pop);font-size:.9rem;max-width:360px}:root[data-theme=dark] .toast{background:var(--dt-ink-700)}.toast-ok svg{color:var(--dt-brand-300)}.toast-danger svg{color:#f87171}.loading{display:flex;gap:10px;align-items:center;color:var(--dt-text-muted);padding:24px 0}.spinner{width:18px;height:18px;border-radius:50%;border:2px solid var(--dt-border);border-top-color:var(--dt-primary);animation:spin .7s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.empty{display:flex;flex-direction:column;align-items:center;text-align:center;gap:8px;padding:48px 16px;color:var(--dt-text-muted)}.empty strong{color:var(--dt-text)}.reason-row{display:grid;grid-template-columns:1fr 100px;gap:8px;padding:10px 12px;border:1px solid var(--dt-border);border-radius:var(--radius-sm)}.reason-row .check{grid-column:1 / -1}.list-plain{list-style:none;margin:0;padding:0}.list-plain li{padding:10px 0;border-bottom:1px solid var(--dt-border);display:flex;justify-content:space-between;gap:12px;align-items:center;font-size:.9rem}.list-plain li:last-child{border-bottom:0}.list-plain a{color:var(--dt-text);text-decoration:none}.list-plain a:hover{color:var(--dt-link)}@media(max-width:1100px){.grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-main{grid-template-columns:minmax(0,1fr)}}@media(max-width:860px){.sidebar{position:fixed;left:0;top:0;bottom:0;z-index:60;transform:translate(-100%);transition:transform .2s;box-shadow:var(--shadow-pop)}.sidebar.open{transform:none}.scrim{display:block;position:fixed;inset:0;background:#0f162066;z-index:55}.mobile-only{display:inline-flex!important}.topbar{padding:0 12px}.topbar-logo img{height:20px}.profile-text{display:none}.profile-btn{padding:4px}.profile-btn>svg{display:none}.content{padding:20px 16px 48px}.grid-2,.grid-3{grid-template-columns:minmax(0,1fr)}h1{font-size:1.35rem}}@media(max-width:520px){.grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}.stat-value{font-size:1.3rem}.toolbar input,.toolbar select{min-width:0;flex:1}}.checklist{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:6px 16px;font-size:.9rem}.checklist.scroll{max-height:220px;overflow-y:auto;border:1px solid var(--dt-border);border-radius:var(--radius-sm);padding:10px;grid-template-columns:1fr}.modal.wide{max-width:760px}.section-title{font-size:.8rem;text-transform:uppercase;letter-spacing:.05em;color:var(--dt-text-muted);font-weight:700}.progress{height:10px;border-radius:99px;background:var(--dt-surface-muted);overflow:hidden}.progress>span{display:block;height:100%;background:var(--dt-primary);transition:width .2s}.switch{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:12px 0;border-bottom:1px solid var(--dt-border)}.switch:last-child{border-bottom:0}.nav-section{padding:14px 12px 4px;font-size:.7rem;text-transform:uppercase;letter-spacing:.06em;font-weight:700;color:var(--dt-text-muted)}.class-list{list-style:none;margin:0;padding:8px;display:flex;flex-direction:column;gap:2px;max-height:520px;overflow-y:auto}.class-item{width:100%;display:flex;justify-content:space-between;align-items:center;gap:8px;border:0;background:none;padding:10px 12px;border-radius:var(--radius-sm);font:inherit;color:var(--dt-text);cursor:pointer;text-align:left}.class-item:hover{background:var(--dt-surface-muted)}.class-item.active{background:var(--dt-primary-subtle);color:var(--dt-link)}.class-add{display:grid;grid-template-columns:repeat(auto-fit,minmax(90px,1fr));gap:8px;padding:12px;border-top:1px solid var(--dt-border)}.child-card{display:flex;flex-direction:column;gap:12px}.code-box{font-family:var(--mono);font-size:1.3rem;letter-spacing:.08em;text-align:center;padding:14px;border-radius:var(--radius-sm);background:var(--dt-surface-muted);border:1px dashed var(--dt-border);-webkit-user-select:all;user-select:all}.goal-note{margin:0;padding:8px 12px;border-left:3px solid var(--dt-primary);background:var(--dt-primary-subtle);border-radius:var(--radius-sm);white-space:pre-wrap}.attachments{display:flex;flex-wrap:wrap;align-items:center;gap:6px;margin-top:6px}.attachments .field-error{width:100%;margin:0}ul.stack{list-style:none;margin:0;padding:0}