:root{--bg-primary: #f8fafc;--bg-surface: #ffffff;--bg-surface-elevated: #ffffff;--bg-surface-subtle: #f1f5f9;--bg-overlay: rgba(15, 23, 42, .6);--text-primary: #0f172a;--text-secondary: #475569;--text-muted: #64748b;--text-inverse: #ffffff;--border-subtle: #e2e8f0;--border-medium: #cbd5e1;--border-focus: #3b82f6;--accent-primary: #2563eb;--accent-primary-hover: #1d4ed8;--accent-primary-light: #eff6ff;--oral-primary: #059669;--oral-surface: #ecfdf5;--oral-border: #a7f3d0;--oral-text: #065f46;--poster-primary: #d97706;--poster-surface: #fffbeb;--poster-border: #fde68a;--poster-text: #92400e;--star-gold: #f59e0b;--star-bg: #fef3c7;--topic-bg: #f3e8ff;--topic-text: #6b21a8;--topic-border: #e9d5ff;--highlight-bg: #fef08a;--highlight-text: #854d0e;--font-sans: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-heading: "Outfit", "Plus Jakarta Sans", "Inter", sans-serif;--font-mono: "JetBrains Mono", "Fira Code", monospace;--shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, .04), 0 1px 2px -1px rgba(0, 0, 0, .04);--shadow-md: 0 4px 12px -2px rgba(0, 0, 0, .06), 0 2px 4px -2px rgba(0, 0, 0, .03);--shadow-lg: 0 12px 28px -4px rgba(0, 0, 0, .08), 0 4px 8px -2px rgba(0, 0, 0, .03);--shadow-xl: 0 24px 48px -8px rgba(0, 0, 0, .14), 0 8px 16px -4px rgba(0, 0, 0, .05);--radius-sm: 8px;--radius-md: 12px;--radius-lg: 18px;--radius-xl: 24px;--radius-full: 9999px;--nav-bottom-height: 64px;--safe-bottom: env(safe-area-inset-bottom, 0px);--safe-top: env(safe-area-inset-top, 0px);--transition-fast: .15s cubic-bezier(.16, 1, .3, 1);--transition-normal: .25s cubic-bezier(.16, 1, .3, 1);--transition-spring: .35s cubic-bezier(.34, 1.56, .64, 1)}[data-theme=dark]{--bg-primary: #080c14;--bg-surface: #0f172a;--bg-surface-elevated: #1e293b;--bg-surface-subtle: #162035;--bg-overlay: rgba(3, 7, 18, .82);--text-primary: #f8fafc;--text-secondary: #cbd5e1;--text-muted: #8295b3;--text-inverse: #020617;--border-subtle: #1e293b;--border-medium: #334155;--border-focus: #60a5fa;--accent-primary: #3b82f6;--accent-primary-hover: #60a5fa;--accent-primary-light: rgba(59, 130, 246, .16);--oral-primary: #10b981;--oral-surface: rgba(16, 185, 129, .14);--oral-border: rgba(16, 185, 129, .32);--oral-text: #34d399;--poster-primary: #f59e0b;--poster-surface: rgba(245, 158, 11, .14);--poster-border: rgba(245, 158, 11, .32);--poster-text: #fbbf24;--star-gold: #fbbf24;--star-bg: rgba(251, 191, 36, .15);--topic-bg: rgba(139, 92, 246, .14);--topic-text: #c4b5fd;--topic-border: rgba(139, 92, 246, .3);--highlight-bg: #854d0e;--highlight-text: #fef08a;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .4);--shadow-md: 0 4px 12px -2px rgba(0, 0, 0, .5), 0 2px 4px -2px rgba(0, 0, 0, .3);--shadow-lg: 0 12px 28px -4px rgba(0, 0, 0, .6);--shadow-xl: 0 24px 48px -8px rgba(0, 0, 0, .85)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent}html{font-size:16px;scroll-behavior:smooth;height:100%}body{font-family:var(--font-sans);background-color:var(--bg-primary);color:var(--text-primary);line-height:1.55;letter-spacing:-.011em;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility;font-feature-settings:"cv02" 1,"cv03" 1,"cv04" 1,"cv11" 1;min-height:100%;overflow-x:hidden;transition:background-color var(--transition-normal),color var(--transition-normal)}h1,h2,h3,h4,h5,h6{font-family:var(--font-heading);letter-spacing:-.025em;font-weight:700}button,input,select,textarea{font:inherit;color:inherit}button{cursor:pointer;border:none;background:none}a{color:var(--accent-primary);text-decoration:none}.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.hidden{display:none!important}.app-container{display:flex;flex-direction:column;min-height:100vh;padding-bottom:calc(var(--nav-bottom-height) + var(--safe-bottom) + 16px)}.app-header{position:sticky;top:0;z-index:40;background-color:#ffffffe0;backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid var(--border-subtle);padding:calc(var(--safe-top) + 20px) 16px 20px 16px;transition:background-color var(--transition-normal),border-color var(--transition-normal)}[data-theme=dark] .app-header{background-color:#111827e0}.header-inner{display:flex;align-items:center;justify-content:space-between;width:100%;max-width:900px;margin:0 auto;padding:0}.brand-group{display:flex;align-items:center;gap:12px}.brand-logo{display:flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:var(--radius-md);background:linear-gradient(135deg,#2563eb,#7c3aed);color:#fff;box-shadow:0 4px 12px 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strong{color:var(--text-primary);font-weight:700}.page-size-selector{display:flex;align-items:center;gap:6px}.page-size-label{font-size:.75rem;color:var(--text-muted)}.page-size-select{background-color:var(--bg-surface-subtle);border:1px solid var(--border-subtle);border-radius:var(--radius-sm);padding:4px 8px;font-size:.76rem;font-weight:600;color:var(--text-primary);cursor:pointer;outline:none;transition:border-color var(--transition-fast)}.page-size-select:focus{border-color:var(--accent-primary)}.pagination-controls{display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:6px}.page-btn{display:inline-flex;align-items:center;justify-content:center;min-width:36px;height:36px;padding:0 10px;border-radius:var(--radius-md);font-size:.82rem;font-weight:600;background-color:var(--bg-surface-subtle);color:var(--text-secondary);border:1px solid var(--border-subtle);cursor:pointer;transition:all 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8px;font-size:.78rem}.btn-label-text{display:none}}.bottom-nav{position:fixed;bottom:0;left:0;right:0;height:calc(var(--nav-bottom-height) + var(--safe-bottom));padding-bottom:var(--safe-bottom);background-color:#ffffffeb;backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-top:1px solid var(--border-subtle);display:flex;align-items:center;justify-content:space-around;z-index:50;transition:background-color var(--transition-normal),border-color var(--transition-normal)}[data-theme=dark] .bottom-nav{background-color:#111827eb}.nav-item{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:6px 12px;color:var(--text-muted);transition:all var(--transition-fast);position:relative;border-radius:var(--radius-sm)}.nav-item:hover{color:var(--text-primary)}.nav-item.active{color:var(--accent-primary)}.nav-icon{display:flex;align-items:center;justify-content:center;transition:transform var(--transition-fast)}.nav-item.active 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var(--transition-fast)}.author-tag-stat:hover{border-color:var(--accent-primary);color:var(--accent-primary)}.author-stat-count{font-size:.68rem;font-weight:700;padding:1px 6px;border-radius:var(--radius-full);background-color:var(--accent-primary-light);color:var(--accent-primary)}.export-btn-group{display:flex;flex-wrap:wrap;gap:8px}.toast{position:fixed;bottom:calc(var(--nav-bottom-height) + var(--safe-bottom) + 16px);left:50%;transform:translate(-50%) translateY(30px);background-color:#0f172a;color:#fff;padding:10px 18px;border-radius:var(--radius-full);font-size:.82rem;font-weight:600;box-shadow:var(--shadow-lg);display:flex;align-items:center;gap:8px;z-index:200;opacity:0;pointer-events:none;transition:all var(--transition-spring)}[data-theme=dark] .toast{background-color:#fff;color:#0f172a}.toast.show{opacity:1;pointer-events:auto;transform:translate(-50%) translateY(0)}@media(min-width:768px){.app-container{padding-bottom:32px}.app-header{padding:calc(var(--safe-top) + 22px) 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print{html,body{background:#fff!important;color:#000!important;margin:0!important;padding:0!important;width:100%!important;height:auto!important;min-height:0!important;overflow:visible!important;-webkit-print-color-adjust:exact!important;print-color-adjust:exact!important}.app-header,.controls-bar-container,.main-content,.bottom-nav,.sheet-update-banner-container,.pagination-container,.toast,.abstracts-grid,.abstract-card,.stats-card,.sheets-modal-card,.scroll-sentinel{display:none!important}#root,.app-container{padding:0!important;margin:0!important;background:transparent!important;display:block!important;width:100%!important;height:auto!important;min-height:0!important;overflow:visible!important;transform:none!important;-webkit-transform:none!important;filter:none!important;-webkit-filter:none!important;backdrop-filter:none!important;-webkit-backdrop-filter:none!important}.modal-backdrop,.modal-backdrop.open{position:static!important;inset:auto!important;width:100%!important;height:auto!important;min-height:0!important;background:none!important;padding:0!important;margin:0!important;overflow:visible!important;display:block!important;opacity:1!important;transform:none!important;-webkit-transform:none!important;transition:none!important;filter:none!important;-webkit-filter:none!important;backdrop-filter:none!important;-webkit-backdrop-filter:none!important;contain:none!important}.reader-sheet,.modal-backdrop.open 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