html,body,#root{margin:0;padding:0;width:100%}a{color:inherit}:root{--page-bg: #f5f5f0;--card-bg: #ffffff;--card-bg-hover: #fafaf8;--card-border: rgba(0, 0, 0, .06);--card-border-strong: rgba(0, 0, 0, .1);--line-soft: rgba(0, 0, 0, .05);--ink-strong: #1a1a1a;--ink-mid: #555555;--ink-soft: #8a8a8a;--ink-faint: #b0b0b0;--accent: #2563eb;--accent-strong: #1d4ed8;--accent-soft: #eff4ff;--accent-green: #16a34a;--accent-amber: #d97706;--accent-red: #dc2626;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .04);--shadow-md: 0 4px 16px -4px rgba(0, 0, 0, .08);--shadow-lg: 0 12px 40px -12px rgba(0, 0, 0, .1);--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--radius-xl: 20px;--ease-out: cubic-bezier(.16, 1, .3, 1);--duration: .2s}*{box-sizing:border-box}body{margin:0;min-width:320px;min-height:100vh;color:var(--ink-strong);font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-feature-settings:"ss01" on,"cv01" on;background:var(--page-bg);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}#root{min-height:100vh}.app-shell{position:relative;max-width:1540px;margin:0 auto;padding:1.25rem;height:100dvh;overflow:hidden}.workspace-grid{height:100%;min-height:0;display:grid;grid-template-columns:minmax(240px,1fr) minmax(0,2.35fr) minmax(240px,1fr);gap:.75rem;align-items:stretch}.left-rail,.right-rail,.center-stage{display:grid;gap:.75rem;min-height:0}.left-rail,.right-rail{align-content:start;grid-auto-rows:min-content}.center-stage{align-content:stretch;overflow:hidden}.app-header,.panel{position:relative;background:var(--card-bg);border:1px solid var(--card-border);border-radius:var(--radius-xl);box-shadow:var(--shadow-md);transition:box-shadow var(--duration) var(--ease-out)}.app-header:hover,.panel:hover{box-shadow:var(--shadow-lg)}.app-header{padding:1.25rem 1.25rem 1rem}.panel{padding:1.125rem}.eyebrow{margin:0;font-size:.6875rem;text-transform:uppercase;letter-spacing:.1em;font-weight:600;color:var(--ink-faint)}.app-header h1{margin:.375rem 0 0;font-size:clamp(1.25rem,1.7vw,1.5rem);font-weight:700;line-height:1.15;letter-spacing:-.02em;color:var(--ink-strong)}.subtitle{margin:.375rem 0 0;color:var(--ink-mid);font-size:.8125rem;line-height:1.5}.header-row{margin-top:.875rem;display:flex;align-items:center;justify-content:space-between;gap:.625rem;flex-wrap:wrap}.phase-text{margin:0;color:var(--ink-soft);font-size:.75rem;font-weight:500}.tracker-intro{padding:1.125rem 1.25rem}.panel-title{margin:0;font-size:.8125rem;font-weight:600;letter-spacing:.01em;color:var(--ink-strong)}.panel-message{margin:.5rem 0 0;line-height:1.5;color:var(--ink-mid);font-size:.8125rem}.panel-submessage{margin:.375rem 0 0;color:var(--ink-soft);font-size:.75rem;line-height:1.5}.error-list{margin:.625rem 0 0;padding-left:1rem;color:var(--accent-red);font-size:.8125rem}.controls-panel{display:grid;align-content:start;gap:.625rem}.controls-row{display:flex;flex-wrap:wrap;gap:.5rem}.btn{border:1px solid transparent;border-radius:var(--radius-sm);font:inherit;font-size:.8125rem;font-weight:600;line-height:1;letter-spacing:.005em;cursor:pointer;padding:.625rem 1rem;transition:transform var(--duration) var(--ease-out),box-shadow var(--duration) var(--ease-out),border-color var(--duration) var(--ease-out),background-color var(--duration) var(--ease-out),color var(--duration) var(--ease-out),opacity var(--duration) var(--ease-out)}.btn:not(:disabled):hover{transform:translateY(-1px)}.btn:not(:disabled):active{transform:translateY(0) scale(.98)}.btn:disabled{cursor:not-allowed;opacity:.4}.btn-primary{color:#fff;border-color:transparent;background:var(--accent);box-shadow:0 1px 3px #2563eb40}.btn-primary:not(:disabled):hover{background:var(--accent-strong);box-shadow:0 4px 12px #2563eb4d}.btn-secondary{color:var(--ink-strong);border-color:var(--card-border-strong);background:var(--card-bg)}.btn-secondary:not(:disabled):hover{border-color:var(--card-border-strong);background:var(--card-bg-hover);box-shadow:var(--shadow-sm)}.btn-ghost{color:var(--ink-mid);border-color:transparent;background:transparent}.btn-ghost:not(:disabled):hover{background:var(--line-soft);color:var(--ink-strong)}.status-badge{border-radius:999px;padding:.25rem .625rem;font-size:.6875rem;font-weight:600;display:inline-flex;align-items:center;border:1px solid transparent;letter-spacing:.01em}.status-attentive{color:#15803d;background:#f0fdf4;border-color:#bbf7d0}.status-uncertain{color:#92400e;background:#fffbeb;border-color:#fde68a}.status-distracted{color:#991b1b;background:#fef2f2;border-color:#fecaca}.status-unknown{color:#57534e;background:#fafaf9;border-color:#e7e5e4}.score-panel{display:grid;align-content:start;gap:.75rem}.score-card{display:grid;align-content:start;gap:.125rem}.score-label{margin:0;color:var(--ink-soft);font-size:.6875rem;letter-spacing:.08em;text-transform:uppercase;font-weight:500}.score-value{margin:0;font-size:clamp(2.5rem,5.5vw,3.25rem);line-height:1;letter-spacing:-.04em;font-weight:700;color:var(--ink-strong);font-variant-numeric:tabular-nums}.score-range{margin:.125rem 0 0;color:var(--ink-faint);font-size:.75rem}.score-status-row{display:flex;justify-content:space-between;align-items:center;gap:.5rem;padding-top:.625rem;border-top:1px solid var(--line-soft)}.score-status-label{font-size:.75rem;color:var(--ink-soft);font-weight:500}.module-reading{height:100%;min-height:0;display:flex;flex-direction:column;gap:.625rem;padding:.75rem}.reading-toolbar{display:flex;align-items:center;justify-content:flex-start;gap:.5rem}.reading-selector{display:flex;align-items:center;flex-wrap:nowrap;gap:.375rem;overflow-x:auto;scrollbar-width:thin}.reading-tab{border:1px solid var(--card-border-strong);border-radius:var(--radius-sm);background:var(--card-bg);color:var(--ink-mid);width:38px;height:38px;min-width:38px;padding:0;display:inline-flex;align-items:center;justify-content:center;font-family:inherit;font-size:.875rem;font-weight:700;line-height:1;cursor:pointer;transition:border-color var(--duration) var(--ease-out),color var(--duration) var(--ease-out),background-color var(--duration) var(--ease-out),transform var(--duration) var(--ease-out),box-shadow var(--duration) var(--ease-out)}.reading-tab:hover{transform:translateY(-1px);box-shadow:var(--shadow-sm);border-color:var(--card-border-strong)}.reading-tab.is-selected{border-color:var(--accent);background:var(--accent-soft);color:var(--accent-strong)}.reading-icon-tab span{line-height:1}.reading-body{margin:0;padding:1rem;border-radius:var(--radius-md);border:1px solid var(--line-soft);background:var(--card-bg);flex:1;min-height:0;overflow:auto}.essay-meta{margin-bottom:.875rem;padding-bottom:.75rem;border-bottom:1px solid var(--line-soft)}.essay-title{margin:0;color:var(--ink-strong);font-size:clamp(1.125rem,1.4vw,1.375rem);line-height:1.25;letter-spacing:-.015em}.essay-subline{margin:.375rem 0 0;display:inline-flex;align-items:center;gap:.375rem;color:var(--ink-soft);font-size:.75rem;font-weight:600;letter-spacing:.01em}.essay-author{color:var(--ink-mid)}.essay-divider{color:var(--ink-faint)}.essay-date{color:var(--ink-soft)}.reading-markdown{color:var(--ink-mid);font-size:.9375rem;line-height:1.7;word-break:break-word}.reading-markdown>*:first-child{margin-top:0}.reading-markdown>*:last-child{margin-bottom:0}.reading-markdown p{margin:.75rem 0}.reading-markdown h1,.reading-markdown h2,.reading-markdown h3{margin:1.125rem 0 .5rem;color:var(--ink-strong);line-height:1.35}.reading-markdown h1{font-size:1.125rem}.reading-markdown h2{font-size:1rem}.reading-markdown h3{font-size:.9375rem}.reading-markdown ul,.reading-markdown ol{margin:.75rem 0;padding-left:1.25rem}.reading-markdown li+li{margin-top:.25rem}.reading-markdown blockquote{margin:.875rem 0;padding:.25rem .875rem;border-left:3px solid var(--card-border-strong);color:var(--ink-soft)}.reading-markdown a{color:var(--accent);text-decoration:none}.reading-markdown a:hover{color:var(--accent-strong);text-decoration:underline}.reading-empty{margin:0;color:var(--ink-soft);font-size:.875rem;line-height:1.5}.preview-panel{display:grid;align-content:start;gap:.625rem}.camera-preview{width:100%;aspect-ratio:16 / 10;border-radius:var(--radius-md);object-fit:cover;border:1px solid var(--card-border);background:var(--page-bg)}.timeline-panel{display:grid;align-content:start;gap:.625rem;min-height:240px}.timeline-header{display:flex;align-items:center;justify-content:space-between;gap:.5rem;flex-wrap:wrap}.timeline-toggle{padding-inline:.75rem}.timeline-collapsed{display:grid;gap:.5rem}.timeline-pill-track{display:grid;grid-auto-flow:column;grid-auto-columns:minmax(14px,1fr);gap:3px;width:100%;overflow-x:auto;padding:.5rem;border-radius:var(--radius-sm);border:1px solid var(--line-soft);background:var(--page-bg)}.timeline-pill{border:none;padding:0;height:16px;min-width:14px;border-radius:999px;cursor:pointer;transition:transform var(--duration) var(--ease-out),filter var(--duration) var(--ease-out)}.timeline-pill:hover{transform:translateY(-1px);filter:brightness(1.05)}.timeline-pill-attentive{background:var(--accent-green)}.timeline-pill-uncertain{background:var(--accent-amber)}.timeline-pill-distracted{background:var(--accent-red)}.timeline-pill-unknown{background:#a8a29e}.timeline-meta{margin:0;font-size:.6875rem;color:var(--ink-soft);font-weight:500}.timeline-container{margin-top:.125rem;width:100%;height:312px;border-radius:var(--radius-md);border:1px solid var(--line-soft);background:var(--card-bg);padding:.375rem}.timeline-legend{margin-top:.125rem;display:flex;flex-wrap:wrap;gap:.375rem .75rem;font-size:.6875rem;color:var(--ink-soft);font-weight:500}.timeline-legend span{display:inline-flex;align-items:center;gap:.3125rem}.timeline-legend i{width:14px;height:7px;border-radius:999px;display:inline-block}@media(max-width:1220px){.workspace-grid{grid-template-columns:minmax(220px,1fr) minmax(0,1.9fr) minmax(220px,1fr)}}@media(max-width:980px){.app-shell{padding:.75rem;height:auto;overflow:visible}.workspace-grid{grid-template-columns:1fr;height:auto;min-height:unset}.reading-selector{padding-bottom:.125rem}.timeline-container{height:288px}}@media(max-width:720px){.app-shell{padding:.5rem}.app-header,.panel{border-radius:var(--radius-lg);padding:.875rem}.btn{width:100%;justify-content:center}.controls-row{gap:.375rem}.reading-tab{width:34px;height:34px;min-width:34px}.timeline-header{align-items:flex-start}}