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var(--line);background:#ffffffdb;border-radius:18px;min-height:185px;padding:24px}.preview-section-heading{justify-content:space-between;align-items:center;gap:18px;display:flex}.preview-section-heading span,.preview-quote>span{color:var(--muted);font-size:12px}.preview-section-heading h3{margin:5px 0 0;font-size:20px}.preview-section-heading strong{color:var(--green);font-size:25px}.preview-progress-track{background:#edf0eb;border-radius:999px;height:9px;margin-top:34px;overflow:hidden}.preview-progress-track span{border-radius:inherit;background:var(--green);width:43%;height:100%;display:block}.preview-progress-meta{color:var(--muted);justify-content:space-between;margin-top:10px;font-size:11px;display:flex}.preview-quote{background:#fff8e8;border-color:#f1dfbd}.preview-quote blockquote{margin:24px 0 18px;font-family:Georgia,serif;font-size:20px;line-height:1.55}.preview-quote small{color:#7c6b4f;line-height:1.5}@media (max-width:860px){.preview-shell{grid-template-columns:1fr}.preview-sidebar{flex-direction:row;align-items:center;min-height:auto;padding:16px 20px}.preview-sidebar nav,.preview-sidebar-note{display:none}.preview-content{padding-top:28px}.preview-metrics{grid-template-columns:repeat(2,minmax(0,1fr))}.preview-grid{grid-template-columns:1fr}}@media (max-width:560px){.preview-topbar{display:block}.preview-profile{display:none}.preview-hero{flex-direction:column;align-items:flex-start;padding:24px}.preview-primary{justify-content:space-between;width:100%}.preview-metrics{grid-template-columns:1fr 1fr}}@property --tw-blur{syntax:"*";inherits:false}@property --tw-brightness{syntax:"*";inherits:false}@property --tw-contrast{syntax:"*";inherits:false}@property --tw-grayscale{syntax:"*";inherits:false}@property --tw-hue-rotate{syntax:"*";inherits:false}@property --tw-invert{syntax:"*";inherits:false}@property --tw-opacity{syntax:"*";inherits:false}@property --tw-saturate{syntax:"*";inherits:false}@property --tw-sepia{syntax:"*";inherits:false}@property --tw-drop-shadow{syntax:"*";inherits:false}@property --tw-drop-shadow-color{syntax:"*";inherits:false}@property --tw-drop-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-drop-shadow-size{syntax:"*";inherits:false}:root{color:#17201d;font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;--surface:#fff;--surface-strong:#eef4f2;--line:#dbe2e6;--muted:#66716d;--text:#17201d;--teal:#0f766e;--teal-dark:#0b5d55;--blue:#2563eb;--amber:#b7791f;--red:#b42318;--green:#15803d;--shadow:0 18px 45px #141f2517;background:#f5f7fa;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe 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var(--line);background:var(--surface);box-shadow:var(--shadow);border-radius:8px}.page-grid{grid-template-columns:minmax(0,1.15fr) minmax(280px,.85fr);gap:18px;display:grid}.panel{padding:20px}.section-heading{justify-content:space-between;align-items:center;gap:12px;margin-bottom:18px;display:flex}.section-heading strong{color:var(--teal)}.setup-form{gap:18px;display:grid}.audio-settings-panel,.backup-panel{grid-column:1/-1}.tts-settings-box,.pdf-import-box{border:1px solid var(--line);background:#fafcfd;border-radius:8px;gap:10px;padding:12px;display:grid}.pdf-preview-panel{gap:12px;display:grid}.field-block{gap:8px;display:grid}.field-block>span,.toggle-row span{color:#2c3935;font-weight:800}.field-block input,.search-box input,.answer-input{width:100%;color:var(--text);background:#fff;border:1px solid #cbd5db;border-radius:8px;outline:none}.field-block input,.search-box input{height:44px;padding:0 12px}.field-block input:focus,.search-box 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0;line-height:1.45}.empty-copy,.muted{color:var(--muted)}.dashboard-layout{gap:18px;display:grid}.motivational-quote-card{color:#211917;background:#fffaf2;border:1px solid #d9c7b0;border-left:4px solid #b42318;border-radius:8px;gap:8px;max-width:980px;padding:14px 16px;display:grid}.motivational-quote-card span{color:#8f1d14;align-items:center;gap:6px;font-size:.78rem;font-weight:900;display:inline-flex}.motivational-quote-card p{margin:0;font-size:1.04rem;font-weight:850;line-height:1.55}.motivational-quote-card.dashboard{border-color:#36534a;border-left-color:var(--teal);color:#f7faf9;box-shadow:var(--shadow);background:#12211d}.motivational-quote-card.dashboard span{color:#9ee2d7}.motivational-quote-card.completion{border-color:#9ac8a8;border-left-color:var(--green);background:#f3fbf5}.motivational-quote-card.mistake{border-color:#efb2aa;border-left-color:var(--red);background:#fff7f6}.motivational-quote-card.answer{border-color:#b9d9c4;border-left-color:var(--green);background:#f5fbf7}.motivational-quote-card.compact{padding-block:12px}.dashboard-lead{color:#fff;min-height:132px;box-shadow:var(--shadow);background-color:#0000;background-image:linear-gradient(135deg,#12211df5,#0f766ee6),url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='900' height='260' viewBox='0 0 900 260'%3E%3Cg fill='none' stroke='%23ffffff' stroke-opacity='.14' stroke-width='2'%3E%3Cpath d='M22 46h150M70 86h220M32 126h180M550 44h210M602 88h256M520 132h190M350 176h270'/%3E%3C/g%3E%3Cg fill='%23ffffff' fill-opacity='.16'%3E%3Crect x='735' y='156' width='86' height='50' rx='8'/%3E%3Crect x='629' y='156' width='86' height='50' rx='8'/%3E%3Crect x='523' 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span{border-radius:inherit;background:var(--teal);height:100%;display:block}.study-layout{gap:14px;max-width:980px;display:grid}.study-surface{gap:18px;max-width:980px;padding:22px;display:grid}.study-header{justify-content:space-between;align-items:flex-start;gap:14px;display:flex}.study-header h2{margin-top:4px;font-size:clamp(1.8rem,4vw,3rem)}.status-stack{justify-items:end;gap:4px;display:grid}.source-id{color:var(--muted);margin-top:8px;font-size:.86rem;font-weight:750;display:inline-block}.answer-input{resize:vertical;min-height:180px;padding:14px;line-height:1.6}.result-stack{gap:16px;display:grid}.rating-banner{background:#edf7f0;border-radius:8px;grid-template-columns:auto auto 1fr;align-items:center;gap:12px;min-height:54px;padding:0 14px;display:grid}.rating-banner em{color:var(--muted);justify-self:end;font-style:normal}.rating-banner.again{background:#fff0ef}.rating-banner.hard{background:#fff7e6}.rating-banner.good{background:#edf3ff}.rating-banner.easy{background:#edf7f0}.answer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;display:grid}.answer-grid div,.result-list{border:1px solid var(--line);background:#fafcfd;border-radius:8px;padding:12px}.score-summary{background:#f6fbfa;border:1px solid #cfe4df;border-radius:8px;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;padding:12px;display:grid}.score-summary div{gap:4px;min-width:0;display:grid}.score-summary strong{font-size:1.35rem}.score-summary small{color:var(--muted);font-weight:800}.score-warning{border-left:4px solid var(--amber);color:#6f4a12;background:#fff7e6;border-radius:4px;grid-column:1/-1;margin:0;padding:10px 12px}.score-warning strong,.score-warning span{display:block}.answer-grid p,.feedback-text,.hint-panel p,.result-list p,.result-list ul{margin:6px 0 0;line-height:1.55}.hint-panel{background:#f6fbfa;border:1px solid #bfd7d1;border-radius:8px;gap:12px;padding:14px;display:grid}.hint-block{min-width:0}.chunk-list,.keyword-list{flex-wrap:wrap;gap:8px;margin-top:8px;display:flex}.chunk-list span{color:#23332f;background:#fff;border:1px solid #cfe4df;border-radius:8px;align-items:center;min-height:32px;padding:0 10px;font-weight:800;display:inline-flex}.chunk-list span:not(:last-child):after{content:"/";color:var(--muted);margin-left:10px;font-weight:900}.keyword-list span{color:#0f4f48;background:#dff1ee;border-radius:999px;align-items:center;min-height:28px;padding:0 10px;font-size:.86rem;font-weight:850;display:inline-flex}.diff-panel{border:1px solid var(--line);background:#fbfcfd;border-radius:8px;flex-wrap:wrap;gap:8px;padding:14px;display:flex}.token{border-radius:8px;align-items:center;min-height:32px;padding:0 9px;font-weight:800;display:inline-flex}.token.equal{color:#26342f;background:#eef4f2}.token.missing{color:var(--red);background:#fff0ef}.token.extra{color:var(--amber);background:#fff7e6}.token.wrong{color:var(--red);background:#fff0ef;gap:1px;display:inline-grid}.token.wrong small{color:#7d342d;font-size:.72rem;text-decoration:line-through}.error-lists{grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:12px;display:grid}.result-list ul{padding-left:18px}.result-list.matched{background:#f3fbf5;border-color:#add6ba}.result-list.matched li::marker{color:var(--green)}.feedback-text{border-left:4px solid var(--teal);background:#eef4f2;border-radius:4px;padding:10px 12px}.state-panel{place-items:start;gap:14px;max-width:620px;display:grid}.state-panel h2,.state-panel p{margin:0}.daily-practice-layout,.study-plan-layout,.study-plan-days{gap:14px;display:grid}.study-plan-summary{gap:16px;display:grid}.study-plan-day{gap:14px;display:grid}.study-plan-day.today{border-color:#9cc8bf}.study-plan-day.upcoming{background:#fbfcff}.study-plan-day.missed{background:snow;border-color:#efb2aa}.study-plan-day-header{justify-content:space-between;align-items:flex-start;gap:14px;display:flex}.study-plan-metrics{grid-template-columns:repeat(auto-fit,minmax(112px,1fr));gap:10px;display:grid}.study-plan-metrics div,.backup-item,.calendar-preview-item{border:1px solid var(--line);background:#fafcfd;border-radius:8px}.study-plan-metrics div{gap:4px;min-width:0;padding:10px;display:grid}.study-plan-metrics span{color:var(--muted);font-size:.78rem;font-weight:800}.study-plan-metrics strong{font-size:1.3rem}.calendar-note{border-left:4px solid var(--blue);color:#274470;background:#eef4ff;border-radius:4px;padding:8px 12px}.calendar-note p{margin:0;line-height:1.45}.calendar-preview-list,.backup-list{gap:10px;display:grid}.calendar-preview-item{grid-template-columns:auto auto auto 1fr;align-items:center;gap:8px;padding:10px;display:grid}.calendar-preview-item p{grid-column:1/-1;margin:0;line-height:1.45}.backup-item{justify-content:space-between;align-items:center;gap:12px;padding:12px;display:flex}.backup-item p{margin:5px 0 0;line-height:1.45}.daily-summary-panel{gap:16px;display:grid}.daily-summary-grid{grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:12px;display:grid}.daily-summary-grid div{border:1px solid var(--line);background:#fafcfd;border-radius:8px;min-width:0;padding:12px}.daily-summary-grid strong{margin-top:5px;font-size:1.7rem;display:block}.practice-item{align-items:start}.practice-group{gap:12px;display:grid}.pagination-bar{border:1px solid var(--line);background:#fafcfd;border-radius:8px;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:12px;padding:10px 12px;display:grid}.pagination-pages{flex-wrap:wrap;justify-content:center;align-items:center;gap:6px;display:flex}.pagination-page-button{border:1px solid var(--line);min-width:34px;height:34px;color:var(--text);background:#fff;border-radius:8px;font-weight:700}.pagination-page-button.active{border-color:var(--teal);background:var(--teal);color:#fff}.pagination-page-button:hover:not(.active){background:#f5fbf9;border-color:#9cc8bf}.pagination-ellipsis{min-width:26px;color:var(--muted);text-align:center}.pagination-status{color:var(--muted);grid-column:1/-1;justify-items:center;gap:2px;font-size:.9rem;display:grid}.pagination-status strong{color:var(--text);font-size:1rem}.inline-practice-box{background:#f8fbfa;border:1px solid #cfe4df;border-radius:8px;gap:14px;margin-top:14px;padding:14px;display:grid}.inline-practice-header{flex-wrap:wrap;align-items:center;gap:10px;display:flex}.practice-mode-note{border-left:4px solid var(--blue);color:#274470;background:#eef4ff;border-radius:4px;margin:0;padding:10px 12px;font-weight:750;line-height:1.5}.inline-answer-input{min-height:120px}.inline-practice-result{border-left:4px solid var(--teal);gap:14px;padding-left:12px;display:grid}.inline-practice-result.has-mistake{border-left-color:var(--amber)}.inline-time-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;display:grid}.inline-time-grid div{border:1px solid var(--line);background:#fafcfd;border-radius:8px;padding:12px}.inline-time-grid p{margin:6px 0 0;line-height:1.5}.warning-text{color:#6f4a12}.error-text{color:var(--red)}.sentence-detail-stack{gap:12px;margin-top:12px;display:grid}.sentence-detail-stack p{margin:5px 0 0;line-height:1.55}.latest-review-panel{background:#f6fbfa;border:1px solid #cfe4df;border-radius:8px;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;padding:12px;display:grid}.latest-review-panel 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