:root{font-family:SF Pro Text,SF Pro Display,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;color:#16202a;background:radial-gradient(circle at top left,rgba(133,184,255,.18),transparent 24%),radial-gradient(circle at bottom right,rgba(255,255,255,.8),transparent 30%),linear-gradient(180deg,#f6f8fb,#eef2f7);line-height:1.5;font-weight:400;color-scheme:light;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;--paper: rgba(255, 255, 255, .68);--panel: rgba(255, 255, 255, .78);--ink: #16202a;--secondary: rgba(22, 32, 42, .56);--accent: #007aff;--accent-soft: rgba(0, 122, 255, .12);--border: rgba(131, 148, 166, .18);--hairline: rgba(131, 148, 166, .22);--shadow: 0 18px 44px rgba(79, 102, 126, .14)}*{box-sizing:border-box}body{margin:0;min-width:320px;min-height:100vh;background:transparent}button,input{font:inherit}button{cursor:pointer}a{color:inherit}#root{min-height:100vh}.landing-shell,.app-shell{min-height:100vh;padding:24px 28px}.landing-shell{display:grid;place-items:center}.hero-card,.reader-panel{background:var(--paper);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);border:1px solid var(--border);border-radius:28px;box-shadow:var(--shadow)}.hero-card{width:min(980px,100%);padding:40px}.eyebrow{margin:0 0 8px;letter-spacing:.18em;text-transform:uppercase;font-size:.72rem;color:#11231f99}h1,h2,p{margin-top:0}h1{margin-bottom:14px;font-size:clamp(2.4rem,5vw,4.8rem);line-height:.95;max-width:12ch}h2{margin-bottom:0;font-size:1.15rem;line-height:1.2;font-weight:600}.hero-copy,.hero-note,.meta-line{color:var(--secondary)}.import-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin:32px 0 18px}.import-card{display:flex;flex-direction:column;gap:12px;padding:22px;background:#ffffff9e;border-radius:22px;border:1px solid rgba(17,35,31,.08)}.import-card input[type=url],.import-card input[type=file]{width:100%;padding:14px 16px;border-radius:14px;border:1px solid var(--border);background:#ffffffe6}.import-card button,.page-controls button{border:0;border-radius:999px;padding:11px 16px;background:var(--ink);color:#fff}.import-card button:disabled,.page-controls button:disabled,.reader-display:disabled{opacity:.48;cursor:not-allowed}.error-banner,.status-banner{padding:12px 14px;border-radius:16px;background:#007aff14;color:#0459b3;border:1px solid rgba(0,122,255,.12)}.app-shell{display:grid;grid-template-columns:minmax(0,1fr) 1px clamp(340px,36vw,460px);gap:24px;align-items:stretch}.reader-column,.context-column{min-width:0}.pane-divider{width:1px;background:linear-gradient(180deg,transparent 0%,var(--hairline) 10%,var(--hairline) 90%,transparent 100%)}.reader-panel,.context-panel{height:calc(100vh - 48px);min-height:0}.context-panel{position:relative;padding:8px 0}.reader-panel{display:flex;flex-direction:column;gap:24px;padding:28px;background:var(--panel);border:1px solid rgba(255,255,255,.82);border-radius:30px;box-shadow:0 16px 48px #6a7c8f29;-webkit-backdrop-filter:blur(22px) saturate(130%);backdrop-filter:blur(22px) saturate(130%)}.reader-panel-header{display:flex;flex-direction:column;gap:14px}.reader-title{margin-bottom:10px;font-size:clamp(1.45rem,2.2vw,2rem);line-height:1.15;max-width:none;display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:2;overflow:hidden}.reader-meta-row{display:flex;flex-wrap:wrap;gap:10px 14px;color:var(--secondary);font-size:.95rem}.reader-meta-row span+span:before{content:"•";margin-right:14px;color:#16202a47}.reader-display{position:relative;display:flex;align-items:center;justify-content:center;width:100%;flex:1;border:1px solid rgba(255,255,255,.84);border-radius:32px;background:radial-gradient(circle at top,#ffffffe6,#f6f9fde0),linear-gradient(180deg,#ffffffd1,#f4f7fbeb);color:var(--ink);padding:34px 28px;overflow:hidden;box-shadow:inset 0 1px #ffffffb3}.reader-rail{position:absolute;left:44%;top:20%;bottom:20%;width:1px;background:#007aff2e}.reader-token,.reader-fallback,.reader-placeholder{position:relative;z-index:1}.reader-token{display:flex;align-items:baseline;justify-content:center;font-family:SF Pro Display,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;line-height:1;letter-spacing:-.04em;font-weight:560;max-width:100%}.reader-left{text-align:right;color:#16202ae6}.reader-pivot{color:var(--accent)}.reader-right{color:#16202ae6}.reader-fallback{display:flex;flex-direction:column;align-items:center;gap:.18em;font-family:SF Pro Display,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;line-height:1.05;font-weight:560}.reader-size-small .reader-token{font-size:clamp(2.15rem,3.9vw,3.35rem)}.reader-size-medium .reader-token{font-size:clamp(2.55rem,4.7vw,4rem)}.reader-size-large .reader-token{font-size:clamp(2.9rem,5.4vw,4.4rem)}.reader-size-small .reader-fallback{font-size:clamp(1.62rem,3.2vw,2.55rem)}.reader-size-medium .reader-fallback{font-size:clamp(1.82rem,3.7vw,2.95rem)}.reader-size-large .reader-fallback{font-size:clamp(2rem,4.1vw,3.2rem)}.reader-placeholder{font-size:1.05rem;color:var(--secondary)}.reader-state-icon{position:absolute;inset:auto auto 24px 24px;z-index:1;display:grid;place-items:center;width:48px;height:48px;border-radius:999px;background:#ffffffbd;border:1px solid rgba(255,255,255,.88);color:var(--accent);font-size:1.35rem;line-height:1;box-shadow:0 10px 30px #6a7c8f29}.reader-status{position:absolute;top:22px;left:22px;padding:8px 12px;border-radius:999px;background:#ffffffc7;color:var(--secondary);border:1px solid rgba(255,255,255,.88);font-size:.82rem;letter-spacing:.01em}.controls-panel{display:flex;flex-direction:column;gap:18px}.reader-skip-controls{display:flex;justify-content:flex-end;gap:10px;margin-top:-2px}.glass-circle-button{display:grid;place-items:center;width:42px;height:42px;border:1px solid rgba(255,255,255,.84);border-radius:999px;background:#ffffffa8;color:var(--ink);box-shadow:0 10px 24px #6a7c8f1f;-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px)}.glass-circle-button span{font-size:1.25rem;line-height:1}.controls-footer{display:flex;gap:12px;align-items:center;flex-wrap:wrap}.speed-strip,.mode-strip{display:flex;align-items:center;gap:14px;padding:12px 14px;border-radius:999px;background:#ffffff94;border:1px solid rgba(255,255,255,.84);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px)}.wpm-readout{min-width:84px;display:flex;flex-direction:column;align-items:center;line-height:1.05}.wpm-readout strong{font-size:1.6rem;letter-spacing:-.04em}.wpm-readout span,.mode-strip-label{font-size:.74rem;letter-spacing:.12em;text-transform:uppercase;color:var(--secondary)}.mode-strip{gap:12px}.mode-strip-buttons{display:flex;gap:8px}.mode-strip-buttons button,.reader-reset-button{border:0;border-radius:999px;padding:10px 14px;background:#ecf1f7eb;color:var(--ink)}.mode-strip-buttons button{text-transform:capitalize}.mode-strip-buttons button.is-active{background:var(--accent);color:#fff}.reader-reset-button{margin-left:auto;background:transparent;border:1px solid var(--border);color:var(--secondary)}.context-panel{display:flex;flex-direction:column;gap:18px}.context-header{display:flex;justify-content:space-between;gap:18px;align-items:flex-start;padding:0 0 6px}.pdf-utility-buttons{position:absolute;top:14px;left:0;display:flex;gap:10px}.utility-dot-button{display:grid;place-items:center;width:38px;height:38px;border-radius:999px;border:1px solid rgba(255,255,255,.84);background:#ffffffad;color:var(--secondary);box-shadow:0 10px 26px #6a7c8f1f;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px)}.pdf-stage,.article-stage{flex:1;min-height:0;overflow:auto;border-radius:30px;background:#f8fafcd1;border:1px solid rgba(255,255,255,.66)}.pdf-stage{display:flex;padding:18px 0 0;background:linear-gradient(180deg,#eff3f8f0,#f7f9fcdb)}.pdf-frame{width:100%;height:100%;border:0;border-radius:30px;background:#fff;box-shadow:0 18px 50px #3f52631a}.pdf-fallback-note{display:grid;place-items:center;width:100%;height:100%;color:var(--secondary);text-align:center;gap:10px}.pdf-fallback-note a{display:inline-flex;align-items:center;justify-content:center;padding:10px 16px;border-radius:999px;background:#ffffffd6;border:1px solid var(--border);text-decoration:none}.article-stage{padding:26px 28px;font-size:1.06rem;line-height:1.9;color:#16202aeb}.article-word.is-active{background:var(--accent-soft);color:var(--accent);border-radius:.35em}.page-controls{display:flex;gap:10px;align-items:center;margin-left:auto}.page-controls button{background:#ecf1f7f2;color:var(--ink);box-shadow:none}.page-controls span{color:var(--secondary)}@media (max-width: 960px){.app-shell{grid-template-columns:1fr}.pane-divider{display:none}.reader-panel,.context-panel{height:auto;min-height:45vh}.reader-column{order:2}}@media (max-width: 720px){.landing-shell,.app-shell{padding:14px}.hero-card,.reader-panel,.context-panel{padding:18px;border-radius:22px}.import-grid{grid-template-columns:1fr}h1{font-size:clamp(2rem,12vw,3.2rem)}.context-header{flex-direction:column}.controls-footer{flex-direction:column;align-items:stretch}.reader-reset-button{margin-left:0}}