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var(--transition-base)}.sidebar-xp__header{margin-bottom:var(--space-2);justify-content:space-between;align-items:center;display:flex}.sidebar-xp__level{align-items:center;gap:var(--space-1);color:var(--accent-violet-light);font-size:.8rem;font-weight:700;display:flex}.xp-icon{color:var(--accent-amber)}.sidebar-xp__points{color:var(--text-muted);font-size:.75rem}.sidebar-xp__stats{margin-top:var(--space-2);justify-content:space-between;display:flex}.xp-stat{align-items:center;gap:var(--space-1);color:var(--text-muted);font-size:.7rem;display:flex}.sidebar-nav{gap:var(--space-1);flex-direction:column;flex:1;display:flex}.sidebar-nav__label{color:var(--text-muted);letter-spacing:.1em;padding:var(--space-2) var(--space-3) var(--space-1);transition:opacity var(--transition-base);font-size:.65rem;font-weight:700}.sidebar-nav__item{align-items:center;gap:var(--space-3);padding:var(--space-3) var(--space-3);border-radius:var(--radius-md);color:var(--text-secondary);transition:all var(--transition-fast);cursor:pointer;white-space:nowrap;background:0 0;border:none;width:100%;min-height:44px;font-size:.875rem;font-weight:500;text-decoration:none;display:flex}.sidebar-nav__item svg{flex-shrink:0}.sidebar-nav__item:hover{color:var(--text-primary);background:var(--bg-card)}.sidebar-nav__item--active{border:1px solid #7c3aed33;color:var(--accent-violet-light)!important;background:#7c3aed26!important}.sidebar-bottom{border-top:1px solid var(--border);padding-top:var(--space-4)}@media (width<=1024px){.sidebar{height:calc(100vh - 72px);width:var(--sidebar-width);z-index:99;transition:transform var(--transition-base);background:#0a0f1efa;position:fixed;top:72px;left:0}.sidebar--collapsed{width:0;transform:translate(-100%)}.sidebar--collapsed+.main-content{margin-left:0}.sidebar--open{width:256px;box-shadow:0 8px 32px #0006}}@media 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#0000004d}.pomodoro__ring-wrap{width:180px;height:180px;position:relative}.pomodoro__ring{width:100%;height:100%;transform:rotate(-90deg)}.pomodoro__ring-bg{fill:none;stroke:#ffffff0f;stroke-width:6px}.pomodoro__ring-fill{fill:none;stroke-width:6px;stroke-linecap:round;filter:drop-shadow(0 0 6px);transition:stroke-dashoffset 1s linear,stroke .5s}.pomodoro__time{flex-direction:column;justify-content:center;align-items:center;gap:4px;display:flex;position:absolute;inset:0}.pomodoro__time-display{font-variant-numeric:tabular-nums;font-size:2.2rem;font-weight:800;line-height:1}.pomodoro__mode-label{color:var(--text-muted);text-transform:uppercase;letter-spacing:.08em;font-size:.7rem}.pomodoro__controls{align-items:center;gap:var(--space-4);display:flex}.pomodoro__reset{border-radius:var(--radius-full);width:40px;height:40px}.pomodoro__play-btn{border-radius:var(--radius-full);background:var(--play-color,var(--accent-violet));color:#fff;cursor:pointer;width:56px;height:56px;transition:all 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p{color:var(--text-secondary);margin-bottom:var(--space-5);font-size:1rem}.highlight{color:var(--accent-violet-light);font-weight:700}.dashboard__hero-visual{align-items:center;gap:var(--space-3);flex-direction:column;flex-shrink:0;display:flex}.hero-brain{filter:drop-shadow(0 0 30px #7c3aed80);font-size:5rem}.hero-xp-badge{align-items:center;gap:var(--space-1);border-radius:var(--radius-full);padding:var(--space-2) var(--space-3);color:#fbbf24;background:#f59e0b26;border:1px solid #f59e0b4d;font-size:.8rem;font-weight:700;display:flex}.stat-card{padding:var(--space-5);align-items:center;gap:var(--space-4);transition:all 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#0000;display:flex}.due-deck-item:hover{background:var(--bg-card);border-color:var(--border)}.due-deck__icon{font-size:1.5rem}.due-deck__info{flex-direction:column;flex:1;gap:2px;display:flex}.due-deck__name{font-size:.9rem;font-weight:600}.due-deck__count{color:var(--accent-amber);font-size:.75rem;font-weight:500}.dashboard__quote{align-items:flex-start;gap:var(--space-4);padding:var(--space-5) var(--space-6);display:flex}.dashboard__quote-text{color:var(--text-secondary);margin-bottom:4px;font-size:.92rem;font-style:italic;line-height:1.5}.dashboard__quote-author{color:var(--text-muted);font-size:.78rem;font-weight:600}@media (width<=1200px){.dashboard__grid{grid-template-columns:1fr}}@media (width<=768px){.dashboard__hero{padding:var(--space-6);gap:var(--space-6)}.dashboard__hero:before{width:200px;height:200px;top:-30%;right:-5%}.dashboard__hero-text h2{font-size:1.5rem}.dashboard__hero-text p{margin-bottom:var(--space-3);font-size:.9rem}.hero-brain{font-size:4rem}.dashboard__section{padding:var(--space-4)}.dashboard__grid{gap:var(--space-4)}.stat-card{padding:var(--space-4);gap:var(--space-3)}.stat-card__value{font-size:1.5rem}.stat-card__icon{width:40px;height:40px}.due-deck-item{padding:var(--space-2) var(--space-3)}.due-deck__name{font-size:.85rem}}@media (width<=640px){.dashboard__hero{padding:var(--space-4);text-align:center;gap:var(--space-4);flex-direction:column}.dashboard__hero:before{width:150px;height:150px}.dashboard__hero-visual{width:100%}.dashboard__hero-text h2{font-size:1.25rem}.dashboard__hero-text p{font-size:.8rem}.hero-brain{font-size:3rem}.stat-card{padding:var(--space-3);gap:var(--space-2)}.stat-card__icon{width:36px;height:36px}.stat-card__value{font-size:1.25rem}.stat-card__label{font-size:.7rem}}@media (width<=480px){.dashboard__hero{padding:var(--space-3)}.dashboard__hero-text h2{font-size:1.1rem}.hero-brain{font-size:2.5rem}.stat-card{padding:var(--space-2);gap:var(--space-1)}.stat-card__value{font-size:1.1rem}}.deck-card{cursor:pointer;flex-direction:column;padding:0;transition:all .3s;display:flex;position:relative;overflow:hidden}.deck-card:hover{box-shadow:0 20px 40px #0006, 0 0 0 1px var(--border-accent);transform:translateY(-6px)}.deck-card__accent{background:var(--deck-color,var(--gradient-primary));width:100%;height:4px}.deck-card__header{padding:var(--space-5) var(--space-5) 0;justify-content:space-between;align-items:flex-start;display:flex}.deck-card__icon{filter:drop-shadow(0 2px 8px #0000004d);font-size:2rem;line-height:1}.deck-card__menu-wrap{position:relative}.deck-card__menu-btn{opacity:.5}.deck-card:hover .deck-card__menu-btn{opacity:1}.deck-card__dropdown{border:1px solid 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var(--space-5);flex:1}.deck-card__name{color:var(--text-primary);margin-bottom:var(--space-2);font-size:1.05rem;font-weight:700}.deck-card__desc{color:var(--text-muted);-webkit-line-clamp:2;-webkit-box-orient:vertical;font-size:.8rem;line-height:1.5;display:-webkit-box;overflow:hidden}.deck-card__tags{gap:var(--space-1);margin-top:var(--space-3);flex-wrap:wrap;display:flex}.deck-card__stats{align-items:center;gap:var(--space-4);padding:0 var(--space-5) var(--space-3);display:flex}.deck-stat{align-items:center;gap:var(--space-1);color:var(--text-muted);font-size:.75rem;font-weight:500;display:flex}.deck-card__progress{padding:0 var(--space-5) var(--space-4);align-items:center;gap:var(--space-3);display:flex}.deck-card__progress-label{color:var(--text-muted);white-space:nowrap;font-size:.65rem}.deck-card__study-btn{margin:0 var(--space-5) var(--space-5);justify-content:center}@media (width<=768px){.deck-card:hover{transform:translateY(-3px)}.deck-card__icon{font-size:1.5rem}.deck-card__name{font-size:.95rem}.deck-card__desc{font-size:.75rem}.deck-card__header{padding:var(--space-4) var(--space-4) 0}.deck-card__body{padding:var(--space-3) var(--space-4)}.deck-card__stats{padding:0 var(--space-4) var(--space-2)}.deck-stat{font-size:.7rem}.deck-card__progress{padding:0 var(--space-4) var(--space-3);gap:var(--space-2)}.deck-card__study-btn{margin:0 var(--space-4) var(--space-4);padding:var(--space-2) var(--space-3);font-size:.9rem}}@media (width<=640px){.deck-card__icon{font-size:1.25rem}.deck-card__name{font-size:.9rem}.deck-card__header{padding:var(--space-3) var(--space-3) 0}.deck-card__body{padding:var(--space-2) var(--space-3)}.deck-card__dropdown{min-width:120px}.deck-card__stats{padding:0 var(--space-3) var(--space-2);gap:var(--space-2)}.deck-card__progress{padding:0 var(--space-3) var(--space-2)}.deck-card__study-btn{margin:0 var(--space-3) var(--space-3);font-size:.8rem}}@media (width<=480px){.deck-card{border-radius:var(--radius-lg)}.deck-card__header{padding:var(--space-2) var(--space-3) 0}.deck-card__body{padding:var(--space-2) var(--space-3)}.deck-card__stats{gap:var(--space-1);flex-wrap:wrap}.deck-card__study-btn{margin:0 var(--space-3) var(--space-2);min-height:40px}}.search-box{align-items:center;gap:var(--space-3);background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius-md);padding:var(--space-2) var(--space-4);min-width:260px;transition:border-color var(--transition-fast);display:flex}.search-box:focus-within{border-color:var(--accent-violet)}.search-input{color:var(--text-primary);font-family:var(--font-family);background:0 0;border:none;outline:none;flex:1;font-size:.875rem}.search-input::placeholder{color:var(--text-muted)}.icon-picker{gap:var(--space-2);flex-wrap:wrap;display:flex}.icon-btn{border-radius:var(--radius-sm);border:1px solid var(--border);background:var(--bg-card);cursor:pointer;width:40px;height:40px;transition:all var(--transition-fast);justify-content:center;align-items:center;font-size:1.2rem;display:flex}.icon-btn:hover,.icon-btn--active{border-color:var(--accent-violet);background:#7c3aed26;transform:scale(1.1)}.color-picker{gap:var(--space-2);flex-wrap:wrap;display:flex}.color-btn{border-radius:var(--radius-full);cursor:pointer;width:32px;height:32px;transition:all var(--transition-fast);border:2px solid #0000}.color-btn:hover{transform:scale(1.15);box-shadow:0 0 10px}.color-btn--active{border-color:#fff;transform:scale(1.2);box-shadow:0 0 12px #fff6}.deck-detail__header{align-items:center;gap:var(--space-4);margin-bottom:var(--space-6);flex-wrap:wrap;display:flex}.deck-detail__title-row{align-items:center;gap:var(--space-4);flex:1;display:flex}.deck-detail__icon{font-size:2.5rem}.deck-detail__name{font-size:1.5rem;font-weight:800}.deck-detail__actions{gap:var(--space-3);flex-wrap:wrap;display:flex}.deck-detail__stats{gap:var(--space-6);padding:var(--space-5) var(--space-6);margin-bottom:var(--space-6);flex-wrap:wrap;display:flex}.ds-stat{align-items:center;gap:var(--space-3);display:flex}.ds-stat>div{flex-direction:column;display:flex}.ds-stat__val{font-size:1.4rem;font-weight:800;line-height:1}.ds-stat__label{color:var(--text-muted);margin-top:2px;font-size:.7rem}.card-list{gap:var(--space-3);flex-direction:column;display:flex}.card-item{border-radius:var(--radius-md);transition:all 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#f59e0b40}.badge-rose{color:#fb7185;background:#f43f5e26;border:1px solid #f43f5e40}.section-header{margin-bottom:var(--space-6);justify-content:space-between;align-items:center;display:flex}.section-title{color:var(--text-primary);align-items:center;gap:var(--space-3);font-size:1.25rem;font-weight:700;display:flex}.gradient-text{background:var(--gradient-primary);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text}.grid-2{gap:var(--space-6);grid-template-columns:repeat(2,1fr);display:grid}.grid-3{gap:var(--space-6);grid-template-columns:repeat(3,1fr);display:grid}.grid-4{gap:var(--space-6);grid-template-columns:repeat(4,1fr);display:grid}.grid-auto{gap:var(--space-6);grid-template-columns:repeat(auto-fill,minmax(280px,1fr));display:grid}@keyframes fadeIn{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}@keyframes slideInLeft{0%{opacity:0;transform:translate(-20px)}to{opacity:1;transform:translate(0)}}@keyframes pulse-glow{0%,to{box-shadow:0 0 15px var(--accent-violet-glow)}50%{box-shadow:0 0 35px var(--accent-violet-glow), 0 0 60px #7c3aed33}}@keyframes shimmer{0%{background-position:-200% 0}to{background-position:200% 0}}.animate-fadeIn{animation:.4s forwards fadeIn}.animate-slideInLeft{animation:.3s forwards slideInLeft}.animate-float{animation:3s ease-in-out infinite float}.animate-spin{animation:1s linear infinite spin}.skeleton{background:linear-gradient(90deg, var(--bg-card) 25%, #ffffff0f 50%, var(--bg-card) 75%);border-radius:var(--radius-sm);background-size:200% 100%;animation:1.5s infinite shimmer}.progress-bar{background:var(--bg-card);border-radius:var(--radius-full);height:6px;overflow:hidden}.progress-fill{background:var(--gradient-primary);border-radius:var(--radius-full);height:100%;transition:width .6s}.divider{background:var(--border);height:1px;margin:var(--space-6) 0}.modal-overlay{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);z-index:1000;padding:var(--space-6);background:#000000b3;justify-content:center;align-items:center;animation:.2s fadeIn;display:flex;position:fixed;inset:0}.modal-box{border:1px solid var(--border-accent);border-radius:var(--radius-xl);padding:var(--space-8);width:100%;max-width:560px;box-shadow:var(--shadow-lg), var(--shadow-glow-violet);background:#0f1729;animation:.3s fadeIn}.modal-header{margin-bottom:var(--space-6);justify-content:space-between;align-items:center;display:flex}.modal-title{font-size:1.25rem;font-weight:700}.tooltip-wrapper{display:inline-flex;position:relative}.tooltip{color:var(--text-primary);padding:var(--space-2) var(--space-3);border-radius:var(--radius-sm);white-space:nowrap;pointer-events:none;opacity:0;transition:opacity var(--transition-fast);z-index:1000;border:1px solid var(--border);background:#1e293b;font-size:.75rem;position:absolute;bottom:calc(100% + 8px);left:50%;transform:translate(-50%)}.tooltip-wrapper:hover .tooltip{opacity:1}.empty-state{padding:var(--space-12);text-align:center;justify-content:center;align-items:center;gap:var(--space-4);flex-direction:column;display:flex}.empty-state-icon{border-radius:var(--radius-xl);background:var(--bg-card);width:80px;height:80px;color:var(--text-muted);justify-content:center;align-items:center;display:flex}.empty-state-title{color:var(--text-secondary);font-size:1.1rem;font-weight:600}.empty-state-desc{color:var(--text-muted);max-width:300px;font-size:.875rem}@media (width<=1024px){:root{--sidebar-width:0px}.main-content{margin-left:0}.grid-4,.grid-3{grid-template-columns:repeat(2,1fr)}}@media (width<=768px){:root{--space-8:16px;--space-6:12px}.page-container{padding:var(--space-4)}.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}.btn{padding:var(--space-2) var(--space-3);font-size:.85rem}.btn-lg{padding:var(--space-3) var(--space-5);font-size:.9rem}.input{padding:var(--space-2) var(--space-3);font-size:16px}h1{font-size:1.5rem}h2{font-size:1.25rem}h3{font-size:1.1rem}}@media (width<=640px){:root{--space-8:12px;--space-6:8px;--space-4:8px}.page-container{padding:var(--space-3);max-width:100%}.glass-card{border-radius:var(--radius-md)}.grid-2,.grid-3,.grid-4{gap:var(--space-3);grid-template-columns:1fr}.stat-card{padding:var(--space-3);gap:var(--space-2);text-align:center;flex-direction:column}.stat-card__icon{width:40px;height:40px}.stat-card__value{font-size:1.25rem}.btn{padding:var(--space-2) var(--space-3);width:100%;font-size:.8rem}.btn-sm{padding:var(--space-1) var(--space-2);font-size:.75rem}.input{padding:var(--space-2) var(--space-2);width:100%;font-size:16px}textarea.input{min-height:80px}h1{font-size:1.25rem}h2{font-size:1.1rem}h3,.section-title{font-size:.95rem}.dashboard__hero{gap:var(--space-4);padding:var(--space-4);flex-direction:column}.dashboard__hero-visual{width:100%}.hero-brain{font-size:3rem}.badge{padding:var(--space-1) var(--space-2);font-size:.65rem}.sidebar__item-label{font-size:.75rem}.modal{border-radius:var(--radius-md);max-height:90vh}.due-deck-item{padding:var(--space-2) var(--space-3)}.analytics-section{padding:var(--space-4)}.empty-state{padding:var(--space-6)}.empty-state-icon{width:60px;height:60px}.pomodoro{padding:var(--space-4)}.input-label{font-size:.7rem}}@media (width<=480px){:root{--space-8:8px;--space-6:6px}.page-container{padding:var(--space-3)}.btn{padding:var(--space-1) var(--space-2);font-size:.75rem}.stat-card__value{font-size:1.1rem}.hero-brain{font-size:2.5rem}h1{font-size:1.1rem}h2{font-size:1rem}h3{font-size:.9rem}.dashboard__grid{grid-template-columns:1fr}.topbar__title{font-size:.9rem}}