.tab-bar{position:fixed;bottom:0;left:0;right:0;display:flex;justify-content:space-around;align-items:center;background:var(--bg-secondary);border-top:1px solid var(--border);padding:var(--spacing-sm) 0;padding-bottom:calc(var(--spacing-sm) + env(safe-area-inset-bottom));z-index:100}.tab-item{display:flex;flex-direction:column;align-items:center;gap:2px;padding:var(--spacing-xs) var(--spacing-md);color:var(--text-muted);text-decoration:none;font-size:.625rem;font-weight:500;transition:color .2s ease}.tab-item.active{color:var(--primary)}.tab-item:hover{color:var(--primary-dark)}.tab-item svg{transition:transform .2s ease}.tab-item.active svg{transform:scale(1.05)}.sidebar{display:none;flex-direction:column;width:280px;height:100vh;background-color:var(--bg-card);border-right:1px solid var(--border);position:fixed;top:0;left:0;padding:var(--spacing-lg);z-index:50;transition:background-color .3s ease,border-color .3s ease}.sidebar-header{margin-bottom:var(--spacing-xl)}.sidebar .logo{font-size:1.5rem;font-weight:800;color:var(--primary);letter-spacing:-.025em}.sidebar-nav{display:flex;flex-direction:column;gap:var(--spacing-sm);flex:1}.sidebar-item{display:flex;align-items:center;gap:var(--spacing-md);padding:var(--spacing-md);border-radius:var(--radius);color:var(--text-secondary);text-decoration:none;transition:all .2s ease;font-weight:500}.sidebar-item:hover{background-color:var(--bg-primary);color:var(--text-primary)}.sidebar-item.active{background-color:var(--primary);color:#fff}.sidebar-footer{border-top:1px solid var(--border);padding-top:var(--spacing-md)}.logout-btn{width:100%;justify-content:flex-start;color:var(--error);background:transparent}.logout-btn:hover{background-color:#ef44441a;color:var(--error)}@media(min-width:1024px){.sidebar{display:flex}}@layer properties{@supports (((-webkit-hyphens:none)) and (not (margin-trim:inline))) or ((-moz-orient:inline) and (not (color:rgb(from red r g b)))){*,:before,:after,::backdrop{--tw-rotate-x:initial;--tw-rotate-y:initial;--tw-rotate-z:initial;--tw-skew-x:initial;--tw-skew-y:initial;--tw-blur:initial;--tw-brightness:initial;--tw-contrast:initial;--tw-grayscale:initial;--tw-hue-rotate:initial;--tw-invert:initial;--tw-opacity:initial;--tw-saturate:initial;--tw-sepia:initial;--tw-drop-shadow:initial;--tw-drop-shadow-color:initial;--tw-drop-shadow-alpha:100%;--tw-drop-shadow-size:initial}}}@layer theme{:root,:host{--font-sans:ui-sans-serif,system-ui,sans-serif,"Apple Color Emoji","Segoe UI Emoji","Segoe UI Symbol","Noto Color Emoji";--font-mono:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,"Liberation Mono","Courier New",monospace;--radius-sm:.25rem;--radius-md:.375rem;--radius-lg:.5rem;--radius-xl:.75rem;--shadow-sm:0 1px 3px 0 #0000001a,0 1px 2px -1px #0000001a;--shadow-md:0 4px 6px -1px #0000001a,0 2px 4px -2px #0000001a;--animate-spin:spin 1s linear infinite;--default-transition-duration:.15s;--default-transition-timing-function:cubic-bezier(.4,0,.2,1);--default-font-family:var(--font-sans);--default-mono-font-family:var(--font-mono)}}@layer base{*,:after,:before,::backdrop{box-sizing:border-box;border:0 solid;margin:0;padding:0}::file-selector-button{box-sizing:border-box;border:0 solid;margin:0;padding:0}html,:host{-webkit-text-size-adjust:100%;tab-size:4;line-height:1.5;font-family:var(--default-font-family,ui-sans-serif,system-ui,sans-serif,"Apple Color Emoji","Segoe UI Emoji","Segoe UI Symbol","Noto Color Emoji");font-feature-settings:var(--default-font-feature-settings,normal);font-variation-settings:var(--default-font-variation-settings,normal);-webkit-tap-highlight-color:transparent}hr{height:0;color:inherit;border-top-width:1px}abbr:where([title]){-webkit-text-decoration:underline dotted;text-decoration:underline 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optgroup{font-weight:bolder}:where(select:is([multiple],[size])) optgroup option{padding-inline-start:20px}::file-selector-button{margin-inline-end:4px}::placeholder{opacity:1}@supports (not ((-webkit-appearance:-apple-pay-button))) or (contain-intrinsic-size:1px){::placeholder{color:currentColor}@supports (color:color-mix(in lab,red,red)){::placeholder{color:color-mix(in oklab,currentcolor 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components;@layer utilities{.container{width:100%}@media(min-width:40rem){.container{max-width:40rem}}@media(min-width:48rem){.container{max-width:48rem}}@media(min-width:64rem){.container{max-width:64rem}}@media(min-width:80rem){.container{max-width:80rem}}@media(min-width:96rem){.container{max-width:96rem}}.block{display:block}.contents{display:contents}.flex{display:flex}.hidden{display:none}.table{display:table}.transform{transform:var(--tw-rotate-x,)var(--tw-rotate-y,)var(--tw-rotate-z,)var(--tw-skew-x,)var(--tw-skew-y,)}.animate-spin{animation:var(--animate-spin)}.filter{filter:var(--tw-blur,)var(--tw-brightness,)var(--tw-contrast,)var(--tw-grayscale,)var(--tw-hue-rotate,)var(--tw-invert,)var(--tw-saturate,)var(--tw-sepia,)var(--tw-drop-shadow,)}.transition{transition-property:color,background-color,border-color,outline-color,text-decoration-color,fill,stroke,--tw-gradient-from,--tw-gradient-via,--tw-gradient-to,opacity,box-shadow,transform,translate,scale,rotate,filter,-webkit-backdrop-filter,backdrop-filter,display,content-visibility,overlay,pointer-events;transition-timing-function:var(--tw-ease,var(--default-transition-timing-function));transition-duration:var(--tw-duration,var(--default-transition-duration))}}:root{--primary:#3b82f6;--primary-light:#93c5fd;--primary-dark:#1d4ed8;--accent-purple:#a78bfa;--accent-mint:#6ee7b7;--accent-orange:#fb923c;--bg-primary:#f8fafc;--bg-secondary:#fff;--bg-card:#fff;--text-primary:#1e293b;--text-secondary:#64748b;--text-muted:#94a3b8;--border:#e2e8f0;--success:#22c55e;--warning:#eab308;--error:#ef4444;--shadow-sm:0 1px 2px 0 #0000000d;--shadow:0 1px 3px 0 #0000001a,0 1px 2px -1px #0000001a;--shadow-md:0 4px 6px -1px #0000001a,0 2px 4px -2px #0000001a;--radius-sm:.375rem;--radius:.5rem;--radius-lg:.75rem;--radius-xl:1rem;--radius-full:9999px;--spacing-xs:.25rem;--spacing-sm:.5rem;--spacing-md:1rem;--spacing-lg:1.5rem;--spacing-xl:2rem}[data-theme=dark]{--bg-primary:#0f172a;--bg-secondary:#1e293b;--bg-card:#1e293b;--text-primary:#f8fafc;--text-secondary:#94a3b8;--text-muted:#64748b;--border:#334155;--shadow-sm:0 1px 2px 0 #0000004d;--shadow:0 1px 3px 0 #00000080,0 1px 2px -1px #00000080;--shadow-md:0 4px 6px -1px #00000080,0 2px 4px -2px #00000080}*{box-sizing:border-box;margin:0;padding:0}html{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-size:16px}body{background-color:var(--bg-primary);color:var(--text-primary);min-height:100vh;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;line-height:1.5}#root{flex-direction:column;min-height:100vh;display:flex}h1,h2,h3,h4,h5,h6{color:var(--text-primary);font-weight:700;line-height:1.2}h1{font-size:1.875rem}h2{font-size:1.5rem}h3{font-size:1.25rem}h4{font-size:1.125rem}p{color:var(--text-secondary)}.container{width:100%;max-width:428px;padding:0 var(--spacing-md);margin:0 auto}.card{background:var(--bg-card);border-radius:var(--radius-lg);padding:var(--spacing-lg);box-shadow:var(--shadow)}.badge{padding:var(--spacing-xs)var(--spacing-sm);border-radius:var(--radius-full);align-items:center;width:fit-content;font-size:.75rem;font-weight:600;display:inline-flex}.badge-purple{color:#7c3aed;background:#a78bfa33}.badge-mint{color:#059669;background:#6ee7b733}.badge-orange{color:#ea580c;background:#fb923c33}.badge-primary{color:var(--primary-dark);background:#3b82f633}.btn{justify-content:center;align-items:center;gap:var(--spacing-sm);padding:var(--spacing-sm)var(--spacing-lg);border-radius:var(--radius);cursor:pointer;border:none;outline:none;font-size:.875rem;font-weight:600;transition:all .2s;display:inline-flex}.btn-primary:hover{background:var(--primary-dark)}.btn-secondary:hover{background:var(--border)}.btn-lg{padding:var(--spacing-md)var(--spacing-xl);font-size:1rem}.btn-icon{border-radius:var(--radius-full);width:2.5rem;height:2.5rem;padding:0}.input{width:100%;padding:var(--spacing-sm)var(--spacing-md);border:1px solid var(--border);border-radius:var(--radius);background:var(--bg-secondary);color:var(--text-primary);font-size:1rem;transition:border-color .2s}.input:focus{border-color:var(--primary);outline:none}.progress-bar{background:var(--border);border-radius:var(--radius-full);width:100%;height:.5rem;overflow:hidden}.progress-bar-fill{background:var(--primary);border-radius:var(--radius-full);height:100%;transition:width .3s}.progress-vertical{align-items:flex-end;gap:var(--spacing-sm);height:100px;display:flex}.progress-vertical-bar{background:var(--primary-light);border-radius:var(--radius);width:1.5rem;position:relative}.progress-vertical-bar:after{content:"";background:var(--primary);border-radius:var(--radius);transition:height .3s;position:absolute;bottom:0;left:0;right:0}.page{flex:1;padding-bottom:5rem}.page-header{padding:var(--spacing-lg)0}.page-content{gap:var(--spacing-md);flex-direction:column;display:flex}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@keyframes pulse{50%{opacity:.5}}.animate-fade-in{animation:.3s fadeIn}.animate-pulse{animation:2s infinite pulse}.stat-card{align-items:center;gap:var(--spacing-sm);padding:var(--spacing-sm);background:var(--bg-card);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);text-align:center;flex-direction:column;display:flex}.stat-card-icon{border-radius:var(--radius);width:2.5rem;height:2.5rem;margin-bottom:var(--spacing-xs);justify-content:center;align-items:center;display:flex}.stat-card-icon.purple{color:#7c3aed;background:#a78bfa33}.stat-card-icon.mint{color:#059669;background:#6ee7b733}.stat-card-icon.orange{color:#ea580c;background:#fb923c33}.stat-card-icon.primary{color:var(--primary);background:#3b82f633}.stat-card-content h4{margin-bottom:2px;font-size:1.125rem;font-weight:700;line-height:1}@media(min-width:1024px){.app-layout{min-height:100vh;display:flex}.main-content{padding:var(--spacing-xl);flex:1;width:calc(100% - 280px);max-width:1400px;margin-left:280px}.tab-bar{display:none!important}.container{max-width:100%;padding:0}.page{padding-bottom:0}.home-grid{gap:var(--spacing-xl);grid-template-columns:1fr;display:grid}.stats-grid-desktop{gap:var(--spacing-lg);justify-content:space-between;display:flex}.stats-grid-desktop .stat-card{padding:var(--spacing-lg);flex-direction:row;flex:1;justify-content:center}.quick-actions-desktop-hidden{display:none}.lessons-grid{gap:var(--spacing-lg);grid-template-columns:repeat(3,1fr);display:grid!important}.stats-grid{gap:var(--spacing-md);grid-template-columns:repeat(4,1fr);display:grid}}@media(max-width:1023px){.stats-grid-mobile{gap:var(--spacing-sm);grid-template-columns:repeat(3,1fr);display:grid}.home-grid{display:block}}@property --tw-rotate-x{syntax:"*";inherits:false}@property --tw-rotate-y{syntax:"*";inherits:false}@property --tw-rotate-z{syntax:"*";inherits:false}@property --tw-skew-x{syntax:"*";inherits:false}@property --tw-skew-y{syntax:"*";inherits:false}@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}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--spacing-sm);padding:var(--spacing-sm) var(--spacing-lg);border-radius:var(--radius);font-weight:600;font-size:.875rem;cursor:pointer;transition:all .2s ease;border:none;outline:none;text-decoration:none}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover:not(:disabled){background:var(--primary-dark);transform:translateY(-1px)}.btn-secondary{background:var(--bg-primary);color:var(--text-primary);border:1px solid var(--border)}.btn-secondary:hover:not(:disabled){background:var(--border)}.btn-ghost{background:transparent;color:var(--text-secondary)}.btn-ghost:hover:not(:disabled){background:var(--bg-primary);color:var(--text-primary)}.btn-success{background:var(--success);color:#fff}.btn-danger{background:var(--error);color:#fff}.btn-sm{padding:var(--spacing-xs) var(--spacing-sm);font-size:.75rem}.btn-md{padding:var(--spacing-sm) var(--spacing-lg);font-size:.875rem}.btn-lg{padding:var(--spacing-md) var(--spacing-xl);font-size:1rem}.btn-icon{width:2.5rem;height:2.5rem;padding:0;border-radius:var(--radius-full)}.btn-disabled,.btn:disabled{opacity:.5;cursor:not-allowed}.btn-loading{position:relative;color:transparent}.btn-spinner{position:absolute;width:1rem;height:1rem;border:2px solid currentColor;border-right-color:transparent;border-radius:50%;animation:spin .6s linear infinite}.card{background:var(--bg-card);border-radius:var(--radius-lg);box-shadow:var(--shadow);overflow:hidden}.card-default{background:var(--bg-card)}.card-outlined{background:transparent;border:1px solid var(--border);box-shadow:none}.card-elevated{box-shadow:var(--shadow-md)}.card-gradient{background:linear-gradient(135deg,var(--primary) 0%,var(--accent-purple) 100%);color:#fff}.card-padding-none{padding:0}.card-padding-sm{padding:var(--spacing-sm)}.card-padding-md{padding:var(--spacing-md)}.card-padding-lg{padding:var(--spacing-lg)}.card-clickable{cursor:pointer;transition:transform .2s ease,box-shadow .2s ease}.card-clickable:hover{transform:translateY(-2px);box-shadow:var(--shadow-md)}.card-clickable:active{transform:translateY(0)}.card-header{padding:var(--spacing-md);border-bottom:1px solid var(--border)}.card-body{padding:var(--spacing-md)}.card-footer{padding:var(--spacing-md);border-top:1px solid var(--border);background:var(--bg-primary)}.input-group{display:flex;flex-direction:column;gap:var(--spacing-xs)}.input-label{font-size:.875rem;font-weight:600;color:var(--text-primary)}.input-required{color:var(--error);margin-left:2px}.input-wrapper{position:relative;display:flex;align-items:center}.input-wrapper.has-icon .input{padding-left:2.75rem}.input-icon{position:absolute;left:var(--spacing-md);color:var(--text-muted);pointer-events:none}.input{width:100%;padding:var(--spacing-sm) var(--spacing-md);border:1px solid var(--border);border-radius:var(--radius);font-size:1rem;background:var(--bg-secondary);color:var(--text-primary);transition:border-color .2s ease,box-shadow .2s ease}.input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px #3b82f61a}.input::placeholder{color:var(--text-muted)}.input:disabled{background:var(--bg-primary);cursor:not-allowed;opacity:.7}.input-wrapper.input-error .input{border-color:var(--error)}.input-wrapper.input-error .input:focus{box-shadow:0 0 0 3px #ef44441a}.input-hint{font-size:.75rem;color:var(--text-muted)}.input-hint.error{color:var(--error)}select.input{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2394A3B8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right var(--spacing-md) center;padding-right:2.5rem}textarea.input{min-height:100px;resize:vertical}.badge{display:inline-flex;align-items:center;padding:var(--spacing-xs) var(--spacing-sm);border-radius:var(--radius-full);font-weight:600;width:fit-content}.badge-sm{font-size:.625rem;padding:2px var(--spacing-xs)}.badge-md{font-size:.75rem}.badge-lg{font-size:.875rem;padding:var(--spacing-xs) var(--spacing-md)}.badge-primary{background:#3b82f626;color:var(--primary-dark)}.badge-purple{background:#a78bfa26;color:#7c3aed}.badge-mint{background:#6ee7b726;color:#059669}.badge-orange{background:#fb923c26;color:#ea580c}.badge-success{background:#22c55e26;color:#15803d}.badge-warning{background:#eab30826;color:#a16207}.badge-error{background:#ef444426;color:#dc2626}.badge-neutral{background:var(--bg-primary);color:var(--text-secondary)}.progress-bar{width:100%;background:var(--border);border-radius:var(--radius-full);overflow:hidden;position:relative}.progress-bar-sm{height:.25rem}.progress-bar-md{height:.5rem}.progress-bar-lg{height:.75rem}.progress-bar-fill{height:100%;border-radius:var(--radius-full);transition:width .4s ease}.progress-bar-primary{background:var(--primary)}.progress-bar-success{background:var(--success)}.progress-bar-warning{background:var(--warning)}.progress-bar-error{background:var(--error)}.progress-bar-gradient{background:linear-gradient(90deg,var(--primary) 0%,var(--accent-purple) 100%)}.progress-bar-label{position:absolute;right:var(--spacing-xs);top:50%;transform:translateY(-50%);font-size:.625rem;font-weight:600;color:#fff}.progress-vertical{display:flex;align-items:stretch;justify-content:space-between;gap:var(--spacing-sm)}.progress-vertical-item{display:flex;flex-direction:column;align-items:center;justify-content:flex-end;gap:var(--spacing-xs);flex:1;height:100%}.progress-vertical-bar{width:100%;max-width:2rem;border-radius:var(--radius);transition:height .4s ease}.progress-vertical-label{font-size:.625rem;color:var(--text-muted);font-weight:500}.progress-vertical-value{font-size:.625rem;font-weight:600;color:var(--text-primary)}.modal-overlay{position:fixed;inset:0;background:#00000080;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;padding:var(--spacing-lg);z-index:1000;animation:fadeIn .2s ease-out}.modal-container{background:var(--bg-card);width:100%;max-width:400px;border-radius:var(--radius-xl);box-shadow:var(--shadow-md);display:flex;flex-direction:column;max-height:90vh;animation:slideUp .3s ease-out}.modal-header{padding:var(--spacing-lg);display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--border)}.modal-header h3{font-size:1.125rem;margin:0}.modal-close-btn{background:none;border:none;padding:var(--spacing-xs);color:var(--text-muted);cursor:pointer;border-radius:var(--radius-full);display:flex;align-items:center;justify-content:center;transition:all .2s ease}.modal-close-btn:hover{background:var(--bg-primary);color:var(--text-primary)}.modal-content{padding:var(--spacing-lg);overflow-y:auto}.modal-footer{padding:var(--spacing-lg);border-top:1px solid var(--border);display:flex;gap:var(--spacing-sm)}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.notification-center-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background:#00000080;z-index:2000;display:flex;justify-content:flex-end;align-items:flex-start;animation:fadeIn .2s ease-out}.notification-center-container{width:100%;max-width:400px;height:100%;background:var(--bg-primary);box-shadow:-4px 0 12px #0000001a;display:flex;flex-direction:column;animation:slideIn .3s ease-out}@keyframes slideIn{0%{transform:translate(100%)}to{transform:translate(0)}}.nc-header{display:flex;justify-content:space-between;align-items:center;padding:var(--spacing-md);border-bottom:1px solid var(--border);background:var(--bg-card)}.nc-header h3{font-size:1.125rem;font-weight:600}.nc-actions{display:flex;gap:var(--spacing-sm)}.nc-clear-btn,.nc-close-btn{background:transparent;border:none;color:var(--text-muted);cursor:pointer;padding:var(--spacing-xs);border-radius:var(--radius-full);transition:all .2s;display:flex;align-items:center;justify-content:center}.nc-clear-btn:hover{color:var(--error);background:#ef44441a}.nc-close-btn:hover{color:var(--text-primary);background:var(--bg-secondary)}.nc-content{flex:1;overflow-y:auto;background:var(--bg-checkered)}.nc-empty{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100%;color:var(--text-muted);text-align:center;padding:var(--spacing-lg)}.nc-empty-icon{margin-bottom:var(--spacing-md);opacity:.5}.nc-empty p{font-size:.95rem}.nc-list{display:flex;flex-direction:column}.nc-item{padding:var(--spacing-md);border-bottom:1px solid var(--border);cursor:pointer;position:relative;background:var(--bg-card);transition:background .2s}.nc-item:hover{background:var(--bg-secondary)}.nc-item.unread{background:#3b82f60d}.nc-item.unread:hover{background:#3b82f61a}.nc-item-top{display:flex;justify-content:space-between;margin-bottom:4px}.nc-item-title{font-weight:600;font-size:.9rem;color:var(--text-primary)}.nc-item-time{font-size:.7rem;color:var(--text-muted)}.nc-item-body{font-size:.8rem;color:var(--text-secondary);line-height:1.4;padding-right:var(--spacing-md)}.nc-unread-indicator{position:absolute;top:var(--spacing-md);right:var(--spacing-md);width:8px;height:8px;background:var(--primary);border-radius:50%}@media(max-width:640px){.notification-center-container{max-width:100%;width:100%}}.home-page{padding-top:var(--spacing-md)}.home-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:var(--spacing-lg)}.greeting-text{font-size:.875rem;color:var(--text-muted)}.greeting h1{font-size:1.5rem;margin-top:var(--spacing-xs)}.search-container{margin-bottom:var(--spacing-lg)}.search-bar{display:flex;align-items:center;gap:var(--spacing-sm);padding:var(--spacing-sm) var(--spacing-md);background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);color:var(--text-muted);text-decoration:none;transition:border-color .2s ease}.search-bar:hover{border-color:var(--primary)}.stats-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--spacing-sm);margin-bottom:3rem}.home-section{margin-bottom:3rem}.home-section h3{font-size:1rem;margin-bottom:var(--spacing-md)}.see-all{font-size:.875rem;color:var(--primary);text-decoration:none;font-weight:500}.continue-card{text-decoration:none;display:block}.continue-info{display:flex;flex-direction:column;gap:var(--spacing-xs);margin-bottom:var(--spacing-md)}.continue-info h4{font-size:1rem;margin:2px 0;color:var(--text-primary)}.continue-info p{font-size:.75rem;color:var(--text-muted)}.continue-footer{display:flex;align-items:center;gap:var(--spacing-md)}.continue-footer .progress-bar{flex:1}.continue-arrow{color:var(--text-muted)}.review-list{display:flex;flex-direction:column;gap:var(--spacing-sm)}.review-item{display:flex;justify-content:space-between;align-items:center;padding:var(--spacing-md);background:var(--bg-card);border-radius:var(--radius);text-decoration:none;transition:transform .2s ease}.review-item:hover{transform:translate(4px)}.review-info{display:flex;flex-direction:column;gap:2px}.review-subject{font-size:.625rem;text-transform:uppercase;letter-spacing:.5px;color:var(--primary);font-weight:600}.review-title{font-size:.875rem;color:var(--text-primary);font-weight:500}.review-item svg{color:var(--text-muted)}.add-lesson-cta{display:flex;align-items:center;justify-content:center;gap:var(--spacing-sm);padding:var(--spacing-sm) var(--spacing-md);background:var(--bg-card);border:1px dashed var(--primary);border-radius:var(--radius-lg);color:var(--primary);text-decoration:none;font-weight:600;font-size:.875rem;margin-bottom:var(--spacing-xl);transition:all .2s ease}.add-lesson-cta:hover{background:#3b82f60d;border-style:solid}.empty-state{text-align:center;padding:var(--spacing-xl);background:var(--bg-card);border-radius:var(--radius-lg);margin-top:var(--spacing-xl)}.empty-icon{color:var(--text-muted);margin-bottom:var(--spacing-md)}.empty-state h3{margin-bottom:var(--spacing-sm)}.empty-state p{font-size:.875rem;color:var(--text-muted)}.daily-quiz-card-link{text-decoration:none;display:block}.daily-quiz-card{display:flex;align-items:center;gap:var(--spacing-md)}.dq-card-icon{width:48px;height:48px;display:flex;align-items:center;justify-content:center;border-radius:var(--radius-lg);flex-shrink:0}.dq-card-icon.ready{background:linear-gradient(135deg,#3b82f633,#a78bfa33);color:var(--primary)}.dq-card-icon.completed{background:#22c55e26;color:var(--success)}.dq-card-content{flex:1}.dq-card-content h4{font-size:.95rem;margin-bottom:2px;color:var(--text-primary)}.dq-card-content p{font-size:.75rem;color:var(--text-muted)}.dq-card-arrow{color:var(--text-muted)}.daily-quiz-card.completed{opacity:.8}.home-header-actions{display:flex;align-items:center;gap:var(--spacing-sm)}.icon-btn{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-full);width:36px;height:36px;display:flex;align-items:center;justify-content:center;color:var(--text-secondary);cursor:pointer;transition:all .2s ease}.icon-btn:hover{border-color:var(--primary);color:var(--primary);background:#3b82f60d}.notification-bell{position:relative}.notification-badge{position:absolute;top:-5px;right:-5px;background:var(--error, #ef4444);color:#fff;font-size:.7rem;font-weight:700;width:18px;height:18px;border-radius:50%;display:flex;align-items:center;justify-content:center;border:2px solid var(--bg-card)}.edit-modal-form{display:flex;flex-direction:column;gap:var(--spacing-lg)}.form-group{display:flex;flex-direction:column;gap:var(--spacing-xs)}.form-group label{font-size:.875rem;font-weight:600;color:var(--text-secondary)}.edit-modal-footer{display:flex;justify-content:space-between;width:100%;gap:var(--spacing-md)}.delete-btn{color:var(--error)!important;border-color:var(--error)!important}.delete-btn:hover{background:#ef44440d!important}.new-subject-container{display:flex;flex-direction:column;gap:var(--spacing-xs)}.cancel-new-subject{background:none;border:none;color:var(--primary);font-size:.75rem;font-weight:500;cursor:pointer;text-align:right;width:fit-content;align-self:flex-end}.subject-select-container select{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2364748B' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 1rem center;padding-right:2.5rem}.lessons-page{padding-top:var(--spacing-md)}.lessons-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:var(--spacing-lg)}.lessons-header h1{font-size:1.5rem}.lessons-search{margin-bottom:var(--spacing-md)}.lessons-filters{display:flex;flex-direction:column;gap:var(--spacing-sm);margin-bottom:var(--spacing-lg)}.filter-chips{display:flex;gap:var(--spacing-xs);overflow-x:auto;padding-bottom:var(--spacing-xs);-webkit-overflow-scrolling:touch}.filter-chip{padding:var(--spacing-xs) var(--spacing-md);background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-full);font-size:.75rem;font-weight:500;color:var(--text-secondary);cursor:pointer;white-space:nowrap;transition:all .2s ease}.filter-chip:hover{border-color:var(--primary);color:var(--primary)}.filter-chip.active{background:var(--primary);border-color:var(--primary);color:#fff}.subject-filter{padding:var(--spacing-xs) var(--spacing-sm);background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);font-size:.875rem;color:var(--text-primary);cursor:pointer}.lessons-list{display:flex;flex-direction:column;gap:var(--spacing-md)}.swipe-container{position:relative;overflow:hidden;border-radius:var(--radius-lg);background:transparent}.swipe-actions{position:absolute;right:0;top:0;bottom:0;height:100%;display:flex;align-items:center}.action-btn{height:100%;width:64px;border:none;display:flex;flex-direction:column;align-items:center;justify-content:center;background:transparent;cursor:pointer;transition:transform .2s ease}.action-btn.settings{background:transparent}.action-btn:active{filter:brightness(.9)}.action-icon{width:40px;height:40px;background:#3b82f61a;color:var(--primary);border-radius:var(--radius-full);display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-sm)}.action-btn span{font-size:.625rem;font-weight:600}.lesson-card{text-decoration:none;display:block;position:relative;z-index:2;background:var(--bg-primary)}.lesson-card.swiped{pointer-events:auto}.lesson-card .card{transition:transform .2s ease,box-shadow .2s ease;border-radius:var(--radius-lg)}.lesson-card:hover .card{transform:translateY(-2px);box-shadow:var(--shadow-md)}.lesson-info{display:flex;flex-direction:column;gap:var(--spacing-xs);margin-bottom:var(--spacing-md)}.lesson-title{font-size:1rem;color:var(--text-primary);margin:2px 0}.lesson-card-footer{display:flex;align-items:center;gap:var(--spacing-md)}.lesson-card-footer .progress-bar{flex:1}.lesson-arrow{color:var(--text-muted)}.lessons-empty{text-align:center;padding:var(--spacing-xl);color:var(--text-muted)}.lessons-empty svg{margin-bottom:var(--spacing-md)}.lessons-empty h3{margin-bottom:var(--spacing-sm);color:var(--text-primary)}.lessons-empty p{margin-bottom:var(--spacing-lg);font-size:.875rem}.quiz-container{display:flex;flex-direction:column;gap:var(--spacing-md)}.quiz-progress{display:flex;align-items:center;gap:var(--spacing-md)}.quiz-progress .progress-bar{flex:1;height:6px;background:var(--border);border-radius:var(--radius-full);overflow:hidden}.quiz-progress .progress-fill{height:100%;background:var(--primary);border-radius:var(--radius-full);transition:width .3s ease}.progress-text{font-size:.75rem;color:var(--text-muted);white-space:nowrap}.question-card .badge{margin-bottom:var(--spacing-md)}.question-text{font-size:1.125rem;line-height:1.5;margin-bottom:var(--spacing-lg)}.options-list{display:flex;flex-direction:column;gap:var(--spacing-sm)}.option{display:flex;align-items:center;gap:var(--spacing-md);padding:var(--spacing-md);background:var(--bg-primary);border:2px solid var(--border);border-radius:var(--radius);text-align:left;cursor:pointer;transition:all .2s ease}.option:hover:not(:disabled){border-color:var(--primary-light)}.option.selected{border-color:var(--primary);background:#3b82f60d}.option.correct{border-color:var(--success);background:#22c55e1a}.option.incorrect{border-color:var(--error);background:#ef44441a}.option:disabled{cursor:default}.option-letter{width:28px;height:28px;display:flex;align-items:center;justify-content:center;background:var(--bg-secondary);border-radius:var(--radius);font-weight:600;font-size:.875rem;color:var(--text-secondary);flex-shrink:0}.option.selected .option-letter{background:var(--primary);color:#fff}.option-text{flex:1;font-size:.875rem}.option-icon{flex-shrink:0}.option-icon.correct{color:var(--success)}.option-icon.incorrect{color:var(--error)}.open-answer textarea{width:100%;padding:var(--spacing-md);border:1px solid var(--border);border-radius:var(--radius);font-size:.875rem;font-family:inherit;resize:vertical;min-height:100px}.open-answer textarea:focus{outline:none;border-color:var(--primary)}.open-answer textarea:disabled{background:var(--bg-primary)}.feedback{display:flex;align-items:flex-start;gap:var(--spacing-sm);padding:var(--spacing-md);border-radius:var(--radius);margin-top:var(--spacing-md);font-size:.875rem}.feedback.correct{background:#22c55e1a;color:#15803d}.feedback.incorrect{background:#ef44441a;color:#dc2626}.feedback svg{flex-shrink:0;margin-top:2px}.quiz-actions{margin-top:var(--spacing-md)}.quiz-complete{padding:var(--spacing-xl) 0}.result-card{text-align:center}.result-icon{width:80px;height:80px;display:flex;align-items:center;justify-content:center;border-radius:var(--radius-full);margin:0 auto var(--spacing-lg)}.result-icon.success{background:#6ee7b733;color:#059669}.result-icon.failure{background:#fb923c33;color:#ea580c}.result-card h2{margin-bottom:var(--spacing-lg)}.result-score{display:flex;flex-direction:column;align-items:center;gap:var(--spacing-xs);margin-bottom:var(--spacing-lg)}.score-value{font-size:3rem;font-weight:700;color:var(--primary)}.score-label{font-size:.875rem;color:var(--text-muted)}.result-message{font-size:.875rem;margin-bottom:var(--spacing-xl);max-width:280px;margin-left:auto;margin-right:auto}.result-actions{display:flex;gap:var(--spacing-md)}.result-actions .btn{flex:1}.quiz-empty{text-align:center;padding:var(--spacing-xl);color:var(--text-muted)}.lesson-detail-page{padding-top:var(--spacing-md)}.lesson-loading{display:flex;align-items:center;justify-content:center}.loader{width:32px;height:32px;border:3px solid var(--border);border-top-color:var(--primary);border-radius:50%;animation:spin .8s linear infinite}.lesson-header{display:flex;gap:var(--spacing-md);margin-bottom:var(--spacing-lg)}.back-btn{background:none;border:none;padding:var(--spacing-xs);color:var(--text-primary);cursor:pointer;flex-shrink:0}.lesson-title-section{flex:1}.lesson-title-section h1{font-size:1.25rem;margin:var(--spacing-xs) 0}.lesson-subject{font-size:.75rem;color:var(--text-muted)}.progress-card{margin-bottom:var(--spacing-lg)}.progress-info{display:flex;justify-content:space-between;margin-bottom:var(--spacing-sm);font-size:.75rem;color:var(--text-secondary)}.progress-count{font-weight:600;color:var(--primary)}.mastery-badge{display:flex;align-items:center;justify-content:center;gap:var(--spacing-xs);margin-top:var(--spacing-md);padding:var(--spacing-sm);background:#6ee7b726;border-radius:var(--radius);color:#059669;font-size:.875rem;font-weight:600}.lesson-tabs{display:flex;gap:var(--spacing-xs);margin-bottom:var(--spacing-lg);background:var(--bg-card);padding:var(--spacing-xs);border-radius:var(--radius-lg)}.tab{flex:1;display:flex;align-items:center;justify-content:center;gap:var(--spacing-xs);padding:var(--spacing-sm) var(--spacing-md);background:none;border:none;border-radius:var(--radius);font-size:.75rem;font-weight:500;color:var(--text-muted);cursor:pointer;transition:all .2s ease}.tab.active{background:var(--primary);color:#fff}.tab:not(.active):hover{background:var(--bg-primary);color:var(--text-primary)}.lesson-content{animation:fadeIn .3s ease}.summary-content{display:flex;flex-direction:column;gap:var(--spacing-md)}.summary-content h3{font-size:1rem;margin-bottom:var(--spacing-md)}.summary-text p{margin-bottom:var(--spacing-sm);line-height:1.7;font-size:.875rem}.key-points{list-style:none;padding:0}.key-points li{display:flex;align-items:flex-start;gap:var(--spacing-sm);padding:var(--spacing-sm) 0;font-size:.875rem;border-bottom:1px solid var(--border)}.key-points li:last-child{border-bottom:none}.key-points li svg{color:var(--primary);flex-shrink:0;margin-top:2px}.markdown-content{color:var(--text-secondary);line-height:1.8}.markdown-content p{margin-bottom:1rem}.markdown-content h3{margin-top:1.5rem;margin-bottom:.75rem;color:var(--primary-dark);font-size:1.1rem;font-weight:600}.markdown-content ul,.markdown-content ol{margin:1rem 0;padding-left:1.5rem}.markdown-content li{margin-bottom:.5rem}.markdown-content strong{color:var(--text-primary);font-weight:600}.podcast-content{display:flex;flex-direction:column;gap:var(--spacing-md)}.podcast-player{text-align:center}.podcast-header{display:flex;align-items:center;gap:var(--spacing-md);margin-bottom:var(--spacing-lg);text-align:left}.podcast-icon{width:48px;height:48px;display:flex;align-items:center;justify-content:center;background:var(--primary-light);border-radius:var(--radius-lg);font-size:1.5rem}.podcast-header h3{font-size:1rem;margin-bottom:2px}.podcast-header p{font-size:.75rem;color:var(--text-muted)}.native-audio-player{width:100%;margin-bottom:var(--spacing-sm);border-radius:var(--radius)}.audio-player-controls{display:flex;flex-direction:column;align-items:center;width:100%;padding:var(--spacing-sm) 0}.podcast-disclaimer{padding:var(--spacing-sm);background:var(--bg-primary);border-radius:var(--radius)}.podcast-disclaimer p{font-size:.75rem;color:var(--text-muted)}.generate-audio-btn{margin:var(--spacing-md) auto;display:flex!important}.audio-generating{display:flex;flex-direction:column;align-items:center;gap:var(--spacing-sm);padding:var(--spacing-lg) 0}.audio-generating p{font-size:.875rem;font-weight:600;color:var(--text-primary)}.audio-generating-hint{font-size:.75rem;color:var(--text-muted)}.spin{animation:spin 1s linear infinite;color:var(--primary)}.audio-player-controls{display:flex;flex-direction:column;align-items:center;gap:var(--spacing-md);padding:var(--spacing-sm) 0}.audio-progress-info{font-size:.75rem;color:var(--text-muted);font-weight:500}.audio-error{display:flex;flex-direction:column;align-items:center;gap:var(--spacing-sm);padding:var(--spacing-md);background:#ef444414;border-radius:var(--radius);margin-top:var(--spacing-md)}.audio-error p{font-size:.8rem;color:var(--error, #ef4444);text-align:center}.podcast-script{font-size:.875rem;line-height:1.7}.podcast-script h3{margin-bottom:var(--spacing-md)}.podcast-script p{margin-bottom:var(--spacing-sm)}.podcast-script .speaker{font-weight:600;color:var(--primary);margin-top:var(--spacing-md)}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.stats-page{padding-top:var(--spacing-md)}.stats-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:var(--spacing-lg)}.stats-header h1{font-size:1.5rem}.main-stats-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--spacing-md);margin-bottom:var(--spacing-xl)}.stat-main-card{text-align:center}.stat-main-icon{width:3rem;height:3rem;display:flex;align-items:center;justify-content:center;border-radius:var(--radius-lg);margin:0 auto var(--spacing-sm)}.stat-main-icon.primary{background:#3b82f626;color:var(--primary)}.stat-main-icon.mint{background:#6ee7b726;color:#059669}.stat-main-icon.orange{background:#fb923c26;color:#ea580c}.stat-main-icon.purple{background:#a78bfa26;color:#7c3aed}.stat-main-value{font-size:1.75rem;font-weight:700;color:var(--text-primary)}.stat-main-label{font-size:.75rem;color:var(--text-muted)}.stats-section{margin-bottom:var(--spacing-xl)}.stats-section h3{font-size:1rem;margin-bottom:var(--spacing-md)}.section-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:var(--spacing-md)}.section-header h3{margin-bottom:0}.chart-filters{display:flex;gap:var(--spacing-xs);background:var(--bg-card);padding:2px;border-radius:var(--radius-lg);border:1px solid var(--border)}.filter-btn{padding:4px 12px;border:none;background:transparent;border-radius:var(--radius-md);font-size:.75rem;font-weight:500;color:var(--text-secondary);cursor:pointer;transition:all .2s ease}.filter-btn.active{background:var(--bg-primary);color:var(--primary);box-shadow:var(--shadow-sm)}.weekly-chart{padding:var(--spacing-md) 0;overflow-x:auto}.weekly-chart.month-view .progress-vertical,.weekly-chart.year-view .progress-vertical{gap:2px}.weekly-chart.month-view .progress-vertical-bar{max-width:6px;border-radius:2px}.weekly-chart.year-view .progress-vertical-bar{max-width:12px}.weekly-chart.month-view .progress-vertical-value,.weekly-chart.month-view .progress-vertical-label{font-size:.5rem}.mastery-overview{display:flex;flex-direction:column;gap:var(--spacing-md)}.mastery-row{display:grid;grid-template-columns:80px 1fr 40px;align-items:center;gap:var(--spacing-md)}.mastery-label{font-size:.75rem;color:var(--text-secondary);font-weight:500}.mastery-count{font-size:.875rem;font-weight:600;color:var(--text-primary);text-align:right}.badges-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--spacing-sm)}.badge-card{text-align:center;transition:transform .2s ease}.badge-card:hover{transform:scale(1.05)}.badge-icon{width:2.5rem;height:2.5rem;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--accent-orange) 0%,var(--accent-purple) 100%);color:#fff;border-radius:var(--radius-full);margin:0 auto var(--spacing-xs)}.badge-title{font-size:.625rem;color:var(--text-secondary);font-weight:500}.stats-empty{text-align:center;padding:var(--spacing-xl);color:var(--text-muted)}.stats-empty svg{margin-bottom:var(--spacing-md)}.stats-empty h3{margin-bottom:var(--spacing-sm);color:var(--text-primary)}.stats-empty p{font-size:.875rem}.profile-page{padding-top:var(--spacing-md)}.profile-header{margin-bottom:var(--spacing-lg)}.profile-header h1{font-size:1.5rem}.user-card{display:flex;align-items:center;gap:var(--spacing-md);margin-bottom:var(--spacing-xl)}.user-avatar{width:56px;height:56px;display:flex;align-items:center;justify-content:center;background:var(--primary-light);color:var(--primary);border-radius:var(--radius-full)}.user-info{flex:1}.user-info h3{font-size:1.125rem;margin-bottom:2px}.user-info p{font-size:.75rem;color:var(--text-muted)}.profile-section{margin-bottom:var(--spacing-xl)}.profile-section h4{font-size:.75rem;text-transform:uppercase;letter-spacing:.5px;color:var(--text-muted);margin-bottom:var(--spacing-sm);padding-left:var(--spacing-sm)}.profile-item{display:flex;align-items:center;justify-content:space-between;width:100%;padding:var(--spacing-md);background:none;border:none;border-bottom:1px solid var(--border);cursor:pointer;transition:background .2s ease}.profile-item:last-child{border-bottom:none}.profile-item:hover{background:var(--bg-primary)}.profile-item-left{display:flex;align-items:center;gap:var(--spacing-md);color:var(--text-primary)}.profile-item-left>div{display:flex;flex-direction:column;align-items:flex-start}.profile-item-label{font-size:.875rem;font-weight:500}.profile-item-value{font-size:.75rem;color:var(--text-muted)}.profile-item svg{color:var(--text-muted)}.toggle{width:44px;height:24px;background:var(--border);border-radius:var(--radius-full);position:relative;transition:background .2s ease}.toggle:after{content:"";position:absolute;top:2px;left:2px;width:20px;height:20px;background:#fff;border-radius:var(--radius-full);transition:transform .2s ease;box-shadow:0 1px 3px #0003}.toggle.active{background:var(--primary)}.toggle.active:after{transform:translate(20px)}.profile-logout{margin-top:var(--spacing-xl)}.logout-btn{width:100%;color:var(--error)}.modal-overlay{position:fixed;inset:0;background:#00000080;display:flex;align-items:center;justify-content:center;padding:var(--spacing-lg);z-index:200}.modal-content{width:100%;max-width:320px;text-align:center}.modal-content h3{margin-bottom:var(--spacing-sm)}.modal-content p{font-size:.875rem;margin-bottom:var(--spacing-lg)}.modal-actions{display:flex;gap:var(--spacing-sm)}.modal-actions .btn{flex:1}.profile-footer{text-align:center;padding:var(--spacing-xl) 0}.profile-footer p{font-size:.75rem;color:var(--text-muted)}.notification-time-item{display:flex;align-items:center;justify-content:space-between;width:100%;padding:var(--spacing-md);border-bottom:1px solid var(--border)}.notification-time-input{padding:var(--spacing-xs) var(--spacing-sm);border:1px solid var(--border);border-radius:var(--radius-sm);font-size:.875rem;font-weight:600;color:var(--primary);background:#3b82f614;cursor:pointer;min-width:90px;text-align:center}.notification-time-input:focus{outline:none;border-color:var(--primary)}.notification-warning{padding:var(--spacing-sm) var(--spacing-md);background:#eab3081a;border-top:1px solid var(--border);font-size:.75rem;color:var(--text-secondary);line-height:1.4}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--primary) 0%,var(--accent-purple) 100%);padding:var(--spacing-lg)}.login-container{width:100%;max-width:380px}.login-logo{text-align:center;margin-bottom:var(--spacing-xl);color:#fff}.logo-icon{width:72px;height:72px;display:flex;align-items:center;justify-content:center;background:#fff;border-radius:var(--radius-xl);margin:0 auto var(--spacing-md);box-shadow:var(--shadow-md)}.logo-icon span{font-size:2rem;font-weight:700;background:linear-gradient(135deg,var(--primary) 0%,var(--accent-purple) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.login-logo h1{font-size:2rem;color:#fff;margin-bottom:var(--spacing-xs)}.login-logo p{color:#fffc;font-size:.875rem}.login-card{margin-bottom:var(--spacing-lg)}.form-group{margin-bottom:var(--spacing-md)}.password-input{position:relative}.password-toggle{position:absolute;right:var(--spacing-md);top:50%;transform:translateY(-50%);background:none;border:none;color:var(--text-muted);cursor:pointer;padding:var(--spacing-xs)}.error-message{color:var(--error);font-size:.75rem;margin-bottom:var(--spacing-md);text-align:center}.submit-btn{width:100%}.login-divider{display:flex;align-items:center;gap:var(--spacing-md);margin:var(--spacing-lg) 0}.login-divider:before,.login-divider:after{content:"";flex:1;height:1px;background:var(--border)}.login-divider span{font-size:.75rem;color:var(--text-muted)}.google-btn{width:100%;display:flex;align-items:center;justify-content:center;gap:var(--spacing-sm)}.google-btn svg{flex-shrink:0}.login-toggle{text-align:center;color:#fffc;font-size:.875rem}.login-toggle button{background:none;border:none;color:#fff;font-weight:600;cursor:pointer;margin-left:var(--spacing-xs);text-decoration:underline}.onboarding-page{min-height:100vh;display:flex;flex-direction:column;background:var(--bg-primary)}.onboarding-container{flex:1;display:flex;flex-direction:column;padding:var(--spacing-xl);max-width:428px;margin:0 auto;width:100%}.onboarding-progress{display:flex;align-items:center;justify-content:center;gap:var(--spacing-sm);margin-bottom:var(--spacing-xl);padding-top:var(--spacing-lg)}.progress-dot{width:32px;height:32px;display:flex;align-items:center;justify-content:center;border-radius:var(--radius-full);background:var(--border);color:var(--text-muted);font-size:.875rem;font-weight:600;transition:all .3s ease}.progress-dot.active{background:var(--primary);color:#fff}.progress-line{width:40px;height:2px;background:var(--border)}.onboarding-step{flex:1;animation:fadeIn .3s ease}.onboarding-header{text-align:center;margin-bottom:var(--spacing-xl)}.onboarding-icon{width:64px;height:64px;display:flex;align-items:center;justify-content:center;background:var(--primary-light);color:var(--primary);border-radius:var(--radius-full);margin:0 auto var(--spacing-lg)}.onboarding-icon.success{background:#6ee7b733;color:#059669}.onboarding-header h1{font-size:1.5rem;margin-bottom:var(--spacing-sm)}.onboarding-header p{font-size:1rem;color:var(--text-secondary)}.niveau-list{display:flex;flex-direction:column;gap:var(--spacing-md)}.niveau-card{cursor:pointer;transition:all .2s ease;border:2px solid transparent}.niveau-card:hover{border-color:var(--primary-light)}.niveau-card.selected{border-color:var(--primary);background:#3b82f60d}.niveau-content{display:flex;align-items:center;justify-content:space-between}.niveau-info h4{font-size:1rem;margin-bottom:2px}.niveau-info p{font-size:.75rem;color:var(--text-muted)}.niveau-card svg{color:var(--text-muted)}.niveau-check{color:var(--primary)!important}.diplome-form{display:flex;flex-direction:column;gap:var(--spacing-md)}.diplome-hint{font-size:.75rem;color:var(--text-muted);text-align:center}.onboarding-actions{display:flex;gap:var(--spacing-md);margin-top:auto;padding-top:var(--spacing-xl)}.next-btn{flex:1}@keyframes fadeIn{0%{opacity:0;transform:translate(20px)}to{opacity:1;transform:translate(0)}}.scanner-page{min-height:100vh;background:var(--bg-primary)}.scanner-container{max-width:428px;margin:0 auto;min-height:100vh;display:flex;flex-direction:column}.scanner-header{display:flex;align-items:center;justify-content:space-between;padding:var(--spacing-md);background:var(--bg-secondary);border-bottom:1px solid var(--border)}.close-btn{background:none;border:none;padding:var(--spacing-xs);color:var(--text-primary);cursor:pointer}.scanner-header h1{font-size:1.125rem}.scanner-capture{flex:1;display:flex;flex-direction:column;padding:var(--spacing-xl)}.capture-area{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;border:2px dashed var(--border);border-radius:var(--radius-xl);margin-bottom:var(--spacing-xl);cursor:pointer;transition:all .2s ease;min-height:250px;color:var(--text-muted)}.capture-area:hover{border-color:var(--primary);background:#3b82f60d}.capture-area h3{margin:var(--spacing-md) 0 var(--spacing-xs);color:var(--text-primary)}.capture-area p{font-size:.875rem}.capture-options{display:flex;flex-direction:column;gap:var(--spacing-md)}.capture-hint{text-align:center;font-size:.875rem;color:var(--text-muted);margin-top:var(--spacing-lg)}.scanner-processing{flex:1;display:flex;flex-direction:column;padding:var(--spacing-xl)}.preview-image{flex:1;border-radius:var(--radius-lg);overflow:hidden;margin-bottom:var(--spacing-xl);max-height:300px}.preview-image img{width:100%;height:100%;object-fit:cover}.processing-status{text-align:center;padding:var(--spacing-xl)}.spinner{color:var(--primary);animation:spin 1s linear infinite;margin-bottom:var(--spacing-md)}@keyframes spin{to{transform:rotate(360deg)}}.processing-status h3{margin-bottom:var(--spacing-xs)}.processing-status p{font-size:.875rem;color:var(--text-muted)}.scanner-confirm{flex:1;display:flex;flex-direction:column;padding:var(--spacing-md)}.content-preview{flex:1;overflow-y:auto;margin-bottom:var(--spacing-md)}.content-preview h3{font-size:1.25rem;margin-bottom:var(--spacing-lg)}.subject-input,.preview-section{margin-bottom:var(--spacing-lg)}.preview-section h4{font-size:.875rem;color:var(--text-muted);margin-bottom:var(--spacing-sm)}.preview-section p{font-size:.875rem;line-height:1.6}.preview-section ul{list-style:none;padding:0}.preview-section li{font-size:.875rem;padding:var(--spacing-xs) 0;padding-left:var(--spacing-md);position:relative}.preview-section li:before{content:"•";position:absolute;left:0;color:var(--primary)}.confirm-actions{display:flex;gap:var(--spacing-md)}.confirm-actions .btn{flex:1}.daily-quiz-page{padding-top:var(--spacing-md)}.dq-header{display:flex;align-items:center;gap:var(--spacing-md);margin-bottom:var(--spacing-lg)}.dq-header h1{font-size:1.5rem}.dq-date{font-size:.75rem;color:var(--text-muted);text-transform:capitalize}.dq-empty{text-align:center;padding:var(--spacing-xl) 0;display:flex;flex-direction:column;align-items:center;gap:var(--spacing-md)}.dq-empty .empty-icon{color:var(--text-muted);margin-bottom:var(--spacing-sm)}.dq-empty h3{font-size:1.25rem}.dq-empty p{font-size:.875rem;color:var(--text-secondary);max-width:280px}.dq-progress{margin-bottom:var(--spacing-md)}.dq-progress .progress-bar{width:100%;height:6px;background:var(--border);border-radius:var(--radius-full);overflow:hidden;margin-bottom:var(--spacing-xs)}.dq-progress .progress-fill{height:100%;background:linear-gradient(90deg,var(--primary),var(--accent-purple));border-radius:var(--radius-full);transition:width .3s ease}.dq-progress .progress-text{font-size:.75rem;color:var(--text-muted)}.dq-lesson-context{display:flex;align-items:center;gap:var(--spacing-sm);margin-bottom:var(--spacing-md);padding:var(--spacing-sm) var(--spacing-md);background:var(--bg-card);border-radius:var(--radius);border:1px solid var(--border)}.dq-lesson-context span{font-size:.8rem;color:var(--text-secondary);font-weight:500}.dq-question-card{margin-bottom:var(--spacing-md)}.dq-question-text{font-size:1.1rem;font-weight:600;margin:var(--spacing-md) 0;line-height:1.4}.daily-quiz-page .options-list{display:flex;flex-direction:column;gap:var(--spacing-sm)}.daily-quiz-page .option{display:flex;align-items:center;gap:var(--spacing-md);padding:var(--spacing-md);background:var(--bg-primary);border:2px solid var(--border);border-radius:var(--radius);cursor:pointer;transition:all .2s ease;text-align:left;width:100%}.daily-quiz-page .option:hover:not(:disabled){border-color:var(--primary-light);background:#3b82f60d}.daily-quiz-page .option.selected{border-color:var(--primary);background:#3b82f61a}.daily-quiz-page .option.correct{border-color:var(--success);background:#22c55e1a}.daily-quiz-page .option.incorrect{border-color:var(--error);background:#ef44441a}.daily-quiz-page .option-letter{width:28px;height:28px;display:flex;align-items:center;justify-content:center;border-radius:var(--radius-full);background:var(--border);font-weight:700;font-size:.8rem;flex-shrink:0}.daily-quiz-page .option.selected .option-letter{background:var(--primary);color:#fff}.daily-quiz-page .option-text{flex:1;font-size:.9rem;color:var(--text-primary)}.daily-quiz-page .option-icon{flex-shrink:0}.daily-quiz-page .option-icon.correct{color:var(--success)}.daily-quiz-page .option-icon.incorrect{color:var(--error)}.daily-quiz-page .open-answer textarea{width:100%;padding:var(--spacing-md);border:2px solid var(--border);border-radius:var(--radius);font-size:.9rem;font-family:inherit;resize:vertical;background:var(--bg-primary);color:var(--text-primary);transition:border-color .2s ease}.daily-quiz-page .open-answer textarea:focus{outline:none;border-color:var(--primary)}.daily-quiz-page .feedback{display:flex;align-items:flex-start;gap:var(--spacing-sm);padding:var(--spacing-md);border-radius:var(--radius);margin-top:var(--spacing-md);font-size:.875rem}.daily-quiz-page .feedback.correct{background:#22c55e1a;color:#15803d}.daily-quiz-page .feedback.incorrect{background:#ef44441a;color:#b91c1c}.dq-actions{margin-top:var(--spacing-md)}.dq-actions .submit-btn{width:100%}.dq-complete{padding-top:var(--spacing-lg)}.dq-result-card{text-align:center}.dq-result-icon{width:80px;height:80px;margin:0 auto var(--spacing-lg);display:flex;align-items:center;justify-content:center;border-radius:var(--radius-full)}.dq-result-icon.success{background:#22c55e26;color:var(--success)}.dq-result-icon.failure{background:#fb923c26;color:var(--accent-orange)}.dq-result-score{display:flex;flex-direction:column;gap:var(--spacing-xs);margin-bottom:var(--spacing-lg)}.dq-result-score .score-value{font-size:2.5rem;font-weight:800;background:linear-gradient(135deg,var(--primary),var(--accent-purple));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.dq-result-score .score-label{font-size:.875rem;color:var(--text-muted)}.dq-lesson-results{display:flex;flex-direction:column;gap:var(--spacing-sm);margin-bottom:var(--spacing-lg);text-align:left}.dq-lesson-result{display:flex;align-items:center;gap:var(--spacing-md);padding:var(--spacing-sm) var(--spacing-md);border-radius:var(--radius);border:1px solid var(--border)}.dq-lesson-result.correct{border-color:#22c55e4d;background:#22c55e0d}.dq-lesson-result.incorrect{border-color:#ef44444d;background:#ef44440d}.dq-lesson-result-icon{width:28px;height:28px;display:flex;align-items:center;justify-content:center;border-radius:var(--radius-full);flex-shrink:0}.dq-lesson-result.correct .dq-lesson-result-icon{background:#22c55e33;color:var(--success)}.dq-lesson-result.incorrect .dq-lesson-result-icon{background:#ef444433;color:var(--error)}.dq-lesson-result-info{display:flex;flex-direction:column}.dq-lesson-result-subject{font-size:.7rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:.3px}.dq-lesson-result-title{font-size:.85rem;font-weight:500;color:var(--text-primary)}.dq-warning{margin-top:1rem;padding:.75rem;background-color:#fff3cd;color:#856404;border:1px solid #ffeeba;border-radius:var(--radius-sm);font-size:.9rem;display:flex;align-items:center;gap:8px}.dq-result-actions{display:flex;gap:var(--spacing-sm)}.dq-result-actions .btn{flex:1}.dq-popup-overlay{position:fixed;inset:0;background:#00000080;display:flex;align-items:center;justify-content:center;padding:var(--spacing-lg);z-index:300;animation:fadeIn .3s ease}.dq-popup-content{width:100%;max-width:340px;text-align:center}.dq-popup-content h3{margin-bottom:var(--spacing-sm)}.dq-popup-content p{font-size:.875rem;color:var(--text-secondary);margin-bottom:var(--spacing-lg)}.dq-popup-actions{display:flex;gap:var(--spacing-sm)}.dq-popup-actions .btn{flex:1}.dq-popup-emoji{font-size:3rem;margin-bottom:var(--spacing-md)}