:root{--color-ink: #1C1A16;--color-ink-soft: #2A2722;--color-paper: #F4F1EC;--color-paper-warm: #EFEBE4;--color-accent: #1A508C;--color-accent-hover: #143E6E;--color-accent-soft: #E6EEF7;--color-accent-ring: #BCD0E7;--color-muted: #5A5650;--color-muted-2: #7C7770;--color-hint: #949089;--color-ring: #1F2A44;--color-surface: #FFFFFF;--color-surface-alt: #ECE8E0;--color-surface-warm: #F8F5EF;--color-border: #C9DCF2;--color-border-strong:#ABC8EB;--color-hover-tint: rgba(28, 26, 22, .04);--color-tier-free: #94A3B8;--color-tier-plus: #1A508C;--color-tier-pro: #7C3AED;--color-founders-from:#1A508C;--color-founders-to: #7C3AED;--color-growth: #0F6E56;--color-growth-soft: #DEF1EA;--color-growth-ring: #98D4BF;--color-caution: #BA7517;--color-caution-soft: #FBF0DB;--color-caution-ring: #EDD083;--color-recovery: #A32D2D;--color-recovery-soft:#FBE6E6;--color-recovery-ring:#ECB7B7;--color-success: var(--color-growth);--color-success-soft: var(--color-growth-soft);--color-warning: var(--color-caution);--color-warning-soft: var(--color-caution-soft);--color-error: var(--color-recovery);--color-error-soft: var(--color-recovery-soft);--color-info: var(--color-accent);--color-info-soft: var(--color-accent-soft);--font-head: "Source Serif 4", "Source Serif Pro", Georgia, Cambria, serif;--font-body: "Geist", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;--font-display: "Geist", ui-sans-serif, system-ui, -apple-system, sans-serif;--font-mono: "Geist Mono", ui-monospace, SFMono-Regular, Menlo, monospace;--text-xs: 12px;--text-sm: 13px;--text-base: 14px;--text-md: 15px;--text-lg: 18px;--text-xl: 22px;--text-2xl: 28px;--text-3xl: 34px;--radius-xs: 6px;--radius-sm: 10px;--radius-md: 14px;--radius-lg: 20px;--radius-xl: 28px;--radius-pill: 9999px;--shadow-xs: 0 1px 2px 0 rgba(28, 26, 22, .06);--shadow-sm: 0 2px 8px -2px rgba(28, 26, 22, .08);--shadow-md: 0 8px 24px -8px rgba(28, 26, 22, .12);--shadow-lg: 0 24px 48px -16px rgba(28, 26, 22, .16);--max-content: 72rem;--sidebar-w-expanded: 220px;--sidebar-w-collapsed: 64px}:root{--bg: var(--color-paper);--surface: var(--color-surface);--surface2: var(--color-surface-alt);--primary: var(--color-accent);--primary-lt: var(--color-accent-soft);--text: var(--color-ink);--text-2: var(--color-muted);--text-3: #7C8493;--border: var(--color-border);--border-dk: var(--color-border-strong);--radius: var(--radius-md);--green: var(--color-success);--red: var(--color-error);--amber: var(--color-warning);--teal: #14B8A6;--purple: var(--color-tier-pro);--blue: var(--color-accent);--amber-lt: var(--color-warning-soft);--green-lt: var(--color-success-soft);--red-lt: var(--color-error-soft);--shadow: var(--shadow-sm);--sidebar-bg: var(--color-surface)}.e8-card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);box-shadow:var(--shadow-xs)}.e8-card-elevated{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);box-shadow:var(--shadow-md)}.e8-h1{font-family:var(--font-head);font-weight:600;font-size:var(--text-3xl);letter-spacing:-.01em;color:var(--color-ink);line-height:1.15;margin:0}.e8-h2{font-family:var(--font-head);font-weight:600;font-size:var(--text-2xl);letter-spacing:-.005em;color:var(--color-ink);line-height:1.2;margin:0}.e8-h3{font-family:var(--font-head);font-weight:600;font-size:var(--text-xl);color:var(--color-ink);margin:0}.e8-eyebrow{font-family:var(--font-body);font-size:11px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--color-muted)}.e8-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-family:var(--font-body);font-weight:600;font-size:var(--text-base);padding:10px 18px;border-radius:var(--radius-md);border:none;cursor:pointer;transition:background .12s,color .12s,box-shadow .12s,transform .06s;text-decoration:none;line-height:1;white-space:nowrap}.e8-btn:disabled{opacity:.5;cursor:not-allowed}.e8-btn-primary{background:var(--color-accent);color:#fff;box-shadow:0 1px #0b122014}.e8-btn-primary:hover:not(:disabled){background:var(--color-accent-hover)}.e8-btn-ghost{background:transparent;color:var(--color-ink);box-shadow:inset 0 0 0 1px var(--color-border-strong)}.e8-btn-ghost:hover:not(:disabled){background:var(--color-hover-tint)}.e8-btn-ink{background:var(--color-ink);color:var(--color-paper)}.e8-btn-ink:hover:not(:disabled){background:var(--color-ink-soft)}.e8-btn-sm{padding:6px 12px;font-size:var(--text-sm);border-radius:var(--radius-sm)}.e8-btn-lg{padding:14px 22px;font-size:15px;border-radius:var(--radius-md)}.e8-input{width:100%;background:var(--color-surface);color:var(--color-ink);border:1px solid var(--color-border-strong);border-radius:var(--radius-md);padding:10px 12px;font-family:var(--font-body);font-size:var(--text-base);transition:border .12s,box-shadow .12s}.e8-input:focus{outline:none;border-color:var(--color-accent);box-shadow:0 0 0 3px var(--color-accent-soft)}.e8-pill{display:inline-flex;align-items:center;gap:4px;font-size:11px;font-weight:700;letter-spacing:.04em;text-transform:uppercase;padding:3px 9px;border-radius:var(--radius-pill);white-space:nowrap;line-height:1.3}.e8-pill-accent{background:var(--color-accent-soft);color:var(--color-accent-hover)}.e8-pill-purple{background:#a855f724;color:#7c3aed}.e8-pill-success{background:var(--color-success-soft);color:#047857}.e8-pill-warning{background:var(--color-warning-soft);color:#92400e}.e8-pill-muted{background:var(--color-surface-alt);color:var(--color-muted)}.e8-rule{height:1px;background:var(--color-border);border:0;margin:0}.e8-page{padding:56px 40px 96px;max-width:1080px;margin:0 auto}@media (max-width: 720px){.e8-page{padding:32px 20px 64px}}.e8-page-eyebrow{font-family:var(--font-body);font-size:12px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--color-muted);margin:0}.e8-page-title{font-family:var(--font-head);font-weight:600;font-size:38px;letter-spacing:-.012em;line-height:1.12;color:var(--color-ink);margin:4px 0 0}.e8-page-lede{margin:12px 0 0;font-size:16px;line-height:1.55;color:var(--color-muted);max-width:620px}.e8-section-title{font-family:var(--font-head);font-weight:600;font-size:22px;letter-spacing:-.005em;color:var(--color-ink);margin:0}.e8-segbar{display:grid;grid-template-columns:repeat(var(--seg-total, 8),1fr);gap:4px;height:8px;width:100%}.e8-segbar>span{display:block;height:100%;border-radius:2px;background:var(--color-surface-alt);border:1px solid var(--color-border)}.e8-segbar>span.on{background:var(--seg-color, var(--color-accent));border-color:var(--seg-color, var(--color-accent))}.e8-card-flat{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:24px 26px;transition:border-color .12s,transform .12s}.e8-card-flat[role=button]:hover,.e8-card-flat.is-interactive:hover{border-color:var(--color-border-strong);transform:translateY(-1px);cursor:pointer}.e8-cta-row{display:flex;gap:10px;flex-wrap:wrap}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideInRight{0%{transform:translate(24px);opacity:0}to{transform:translate(0);opacity:1}}@keyframes fadeUp{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}:root{--sidebar-bg: var(--color-paper);--sidebar-w: 228px;--surface3: #E8ECF8;--primary-dk: var(--color-accent-hover);--teal: #06B6D4;--teal-lt: #ECFEFF;--purple-lt: #EDE9FE;--font: var(--font-body);--shadow-lg: var(--shadow-lg)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html,body,#root{height:100%}body{font-family:var(--font);font-size:13px;background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased}#root{display:flex;min-height:100vh}button{font-family:var(--font);cursor:pointer;border:none;background:none}input,select,textarea{font-family:var(--font);outline:none}a{text-decoration:none;color:inherit}.sidebar{width:var(--sidebar-w);min-height:100vh;background:var(--sidebar-bg);display:flex;flex-direction:column;padding:0 0 20px;position:fixed;top:0;left:0;bottom:0;z-index:100;border-right:1px solid rgba(255,255,255,.04)}.sidebar{border-right:1px solid var(--color-border)}.sidebar-logo{padding:22px 18px 18px;display:flex;align-items:center;gap:10px;border-bottom:1px solid var(--color-border);margin-bottom:10px}.logo-mark{width:30px;height:30px;border-radius:var(--radius-sm);background:var(--color-ink);color:var(--color-paper);display:flex;align-items:center;justify-content:center;font-family:var(--font-head);font-weight:700;font-size:13px;flex-shrink:0}.logo-text{font-family:var(--font-head);font-weight:700;font-size:15px;color:var(--color-ink);letter-spacing:-.005em}.logo-badge{margin-left:auto;background:var(--color-success-soft);color:#065f46;border-radius:var(--radius-xs);padding:3px 7px;font-size:9px;font-weight:700;text-transform:uppercase;letter-spacing:.5px}.nav-section{padding:14px 18px 6px;font-size:10px;font-weight:700;letter-spacing:1.2px;text-transform:uppercase;color:var(--color-muted);opacity:.7}.nav-item{display:flex;align-items:center;gap:10px;padding:8px 14px;margin:1px 10px;border-radius:var(--radius-sm);cursor:pointer;color:var(--color-muted);font-size:13px;font-weight:500;transition:background .12s,color .12s;position:relative}.nav-item:hover{background:var(--color-hover-tint);color:var(--color-ink)}.nav-item.active{background:var(--color-accent-soft);color:var(--color-accent-hover);font-weight:600}.nav-item.active:before{content:"";position:absolute;left:-10px;top:50%;transform:translateY(-50%);width:3px;height:18px;background:var(--color-accent);border-radius:0 3px 3px 0}.nav-icon{width:16px;height:16px;flex-shrink:0;opacity:.65}.nav-item:hover .nav-icon{opacity:.9}.nav-item.active .nav-icon{opacity:1}.sidebar-spacer{flex:1}.sidebar-footer{padding:12px 14px;margin:8px 10px 0;border-radius:var(--radius-md);background:var(--color-surface);border:1px solid var(--color-border);display:flex;align-items:center;gap:10px}.tutor-avatar{width:30px;height:30px;border-radius:50%;background:var(--color-ink);color:var(--color-paper);display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;flex-shrink:0;font-family:var(--font-head)}.tutor-name{font-size:13px;font-weight:600;color:var(--color-ink)}.tutor-role{font-size:11px;color:var(--color-muted)}.sidebar-logout{margin:8px 10px 0;padding:7px 10px;border-radius:var(--radius-sm);font-size:11px;font-weight:600;color:var(--color-muted);background:transparent;border:1px solid var(--color-border);cursor:pointer;transition:all .12s}.sidebar-logout:hover{color:var(--color-ink);background:var(--color-hover-tint)}.main{margin-left:var(--sidebar-w);flex:1;min-height:100vh;display:flex;flex-direction:column}.topbar{height:52px;background:var(--surface);border-bottom:1px solid var(--border);display:flex;align-items:center;gap:14px;padding:0 32px;position:sticky;top:0;z-index:50}.topbar-title{font-family:var(--font-head);font-size:15px;font-weight:700}.topbar-sep{width:1px;height:16px;background:var(--border)}.topbar-crumb{font-size:12px;color:var(--text-3)}.topbar-right{margin-left:auto;display:flex;align-items:center;gap:10px}.view{padding:28px 32px 60px;animation:fadeIn .2s ease}@keyframes fadeIn{0%{opacity:0;transform:translateY(5px)}to{opacity:1;transform:none}}.page-hd{margin-bottom:24px}.page-hd h1{font-family:var(--font-head);font-size:22px;font-weight:700;letter-spacing:-.4px}.page-hd p{font-size:13px;color:var(--text-3);margin-top:3px}.btn{display:inline-flex;align-items:center;gap:6px;padding:8px 16px;border-radius:8px;font-size:12px;font-weight:600;cursor:pointer;border:none;transition:all .12s}.btn-primary{background:var(--primary);color:#fff;box-shadow:0 1px 6px #5b6ef547}.btn-primary:hover:not(:disabled){background:var(--primary-dk);transform:translateY(-1px);box-shadow:0 3px 12px #5b6ef559}.btn:disabled{opacity:.55;cursor:not-allowed}.btn-ghost{background:var(--surface);color:var(--text-2);border:1px solid var(--border)}.btn-ghost:hover{background:var(--surface2);color:var(--text)}.btn-sm{padding:5px 11px;font-size:11px;border-radius:6px}.badge{display:inline-flex;align-items:center;gap:4px;padding:2px 8px;border-radius:5px;font-size:11px;font-weight:600;letter-spacing:.1px}.badge-green{background:var(--green-lt);color:#065f46}.badge-amber{background:var(--amber-lt);color:#92400e}.badge-red{background:var(--red-lt);color:#991b1b}.badge-blue{background:var(--primary-lt);color:var(--primary-dk)}.badge-teal{background:var(--teal-lt);color:#0e7490}.badge-gray{background:var(--surface2);color:var(--text-2)}.toolbar{display:flex;align-items:center;gap:10px;margin-bottom:18px}.search-box{display:flex;align-items:center;gap:8px;padding:8px 12px;background:var(--surface);border:1px solid var(--border);border-radius:8px;flex:1;max-width:300px}.search-box input{border:none;font-size:12px;width:100%;color:var(--text);background:transparent}.roster-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}.roster-table{width:100%;border-collapse:collapse;text-align:left}.roster-table th{padding:12px 16px;font-size:11px;font-weight:700;text-transform:uppercase;color:var(--text-3);border-bottom:1px solid var(--border);background:#fafbfc}.roster-table td{padding:14px 16px;border-bottom:1px solid var(--border);vertical-align:middle}.roster-table tr:last-child td{border-bottom:none}.roster-table tr:hover td{background:var(--surface2)}.rt-student{display:flex;align-items:center;gap:10px}.rt-avatar{width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;color:#fff}.rt-name{font-size:13px;font-weight:600;color:var(--text)}.rt-score{font-family:var(--font-head);font-size:16px;font-weight:700}.rt-target{font-size:11px;color:var(--text-3);margin-top:2px}.empty-state{padding:60px 24px;text-align:center;color:var(--text-3);font-size:13px}.empty-state-icon{font-size:32px;margin-bottom:10px}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0f172a66;display:flex;align-items:center;justify-content:center;z-index:1000;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px)}.modal-content{background:var(--surface);width:100%;max-width:720px;border-radius:12px;box-shadow:var(--shadow-lg);overflow:hidden}.modal-header{padding:16px 24px;border-bottom:1px solid var(--border);display:flex;justify-content:space-between;align-items:center}.modal-title{font-family:var(--font-head);font-size:18px;font-weight:700}.modal-close{cursor:pointer;color:var(--text-3);display:flex}.modal-close:hover{color:var(--text)}.modal-body{padding:24px;max-height:70vh;overflow-y:auto}.builder-modes{display:flex;gap:10px;margin-bottom:24px}.mode-btn{flex:1;padding:14px;border:1.5px solid var(--border);border-radius:10px;background:var(--surface);text-align:left;cursor:pointer;transition:all .15s;display:flex;align-items:center;gap:12px}.mode-btn:hover{border-color:var(--primary-lt);background:var(--surface2)}.mode-btn.active{border-color:var(--primary);background:var(--primary-lt);box-shadow:0 4px 12px #5b6ef526}.mode-icon{width:36px;height:36px;border-radius:8px;background:var(--surface2);display:flex;align-items:center;justify-content:center;font-size:16px;flex-shrink:0}.mode-btn.active .mode-icon{background:var(--primary);color:#fff}.mode-text-title{font-size:14px;font-weight:700;color:var(--text);margin-bottom:2px}.mode-btn.active .mode-text-title{color:var(--primary-dk)}.mode-text-sub{font-size:11px;color:var(--text-2)}.builder-flow{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:24px 32px}.step-row{margin-bottom:24px;padding-bottom:24px;border-bottom:1px solid var(--border)}.step-row:last-child{border-bottom:none;margin-bottom:0;padding-bottom:0}.step-header{font-size:14px;font-weight:700;color:var(--text);margin-bottom:12px;display:flex;align-items:center;gap:8px}.step-num{width:22px;height:22px;border-radius:50%;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:700}.form-input,.form-select{width:100%;max-width:400px;padding:10px 12px;border-radius:8px;border:1.5px solid var(--border);font-size:13px;color:var(--text);background:var(--surface);cursor:pointer}.form-input:focus,.form-select:focus{border-color:var(--primary)}.form-input{cursor:text}textarea.form-input{resize:vertical;min-height:70px;max-width:100%;font-family:var(--font)}.module-cards{display:grid;grid-template-columns:1fr 1fr;gap:12px;max-width:500px}.module-card{padding:14px;border:1.5px solid var(--border);border-radius:8px;cursor:pointer;display:flex;align-items:center;gap:10px;font-weight:600}.module-card:hover{border-color:var(--primary-lt);background:var(--surface2)}.module-card.active{border-color:var(--primary);background:var(--primary-lt);color:var(--primary-dk)}.skill-list{display:flex;flex-direction:column;gap:8px;max-height:250px;overflow-y:auto;padding-right:10px}.skill-domain-header{font-size:11px;font-weight:700;text-transform:uppercase;color:var(--text-3);margin:12px 0 6px}.skill-item{display:flex;align-items:center;gap:10px;padding:8px 12px;border-radius:6px;background:var(--surface2);border:1px solid transparent;cursor:pointer}.skill-item:hover{border-color:var(--border)}.skill-item.selected{background:var(--primary-lt);border-color:var(--primary)}.skill-item input{width:14px;height:14px;accent-color:var(--primary);pointer-events:none}.student-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:10px}.student-item{display:flex;align-items:center;gap:10px;padding:8px 12px;border:1px solid var(--border);border-radius:8px;cursor:pointer}.student-item:hover{border-color:var(--primary-lt)}.student-item.selected{border-color:var(--primary);background:var(--primary-lt)}.student-item input{width:14px;height:14px;accent-color:var(--primary);pointer-events:none}.breakdown-table{width:100%;border-collapse:collapse;margin-top:16px;font-size:12px;border:1px solid var(--border);border-radius:8px;overflow:hidden}.breakdown-table th{background:#fafbfc;padding:8px 12px;font-weight:600;text-align:left;border-bottom:1px solid var(--border)}.breakdown-table td{padding:8px 12px;border-bottom:1px solid var(--border)}.breakdown-table tr:last-child td{border-bottom:none}.generating-ui{display:flex;flex-direction:column;align-items:center;padding:30px;gap:16px}.spinner{width:32px;height:32px;border:3px solid var(--primary-lt);border-top-color:var(--primary);border-radius:50%;animation:spin .7s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}#toast{position:fixed;bottom:28px;right:28px;background:#0f172a;color:#fff;padding:12px 20px;border-radius:8px;font-weight:600;box-shadow:var(--shadow-lg);z-index:9999}#toast.error{background:var(--red)}.login-shell{width:100%;min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px;background:linear-gradient(135deg,#f6f8ff,#eef0fe)}.login-card{width:100%;max-width:400px;background:var(--surface);border-radius:16px;box-shadow:var(--shadow-lg);padding:36px 32px}.login-logo{display:flex;align-items:center;gap:10px;margin-bottom:28px;justify-content:center}.login-card h1{font-family:var(--font-head);font-size:22px;font-weight:700;margin-bottom:6px;text-align:center}.login-card p.sub{font-size:12px;color:var(--text-3);margin-bottom:24px;text-align:center}.login-card label{display:block;font-size:12px;font-weight:600;color:var(--text-2);margin-bottom:6px;margin-top:14px}.login-card input{width:100%;padding:10px 12px;border-radius:8px;border:1.5px solid var(--border);font-size:13px;background:var(--surface)}.login-card input:focus{border-color:var(--primary)}.login-error{color:var(--red);background:var(--red-lt);border:1px solid #fecaca;border-radius:6px;padding:8px 10px;font-size:11px;font-weight:600;margin-top:14px}