:root{--safe-area-inset-top: env(safe-area-inset-top, 0px);--safe-area-inset-right: env(safe-area-inset-right, 0px);--safe-area-inset-bottom: env(safe-area-inset-bottom, 0px);--safe-area-inset-left: env(safe-area-inset-left, 0px);--hdj-primary: 144 55% 39%;--hdj-primary-light: 137 56% 52%;--hdj-secondary: 41 100% 70%;--hdj-accent: 132 100% 98%;--hdj-text-dark: 222 47% 11%;--hdj-text-light: 215 16% 47%;--hdj-border: 214 32% 91%;--hdj-bg-main: 210 40% 98%;--hdj-bg-card: 0 0% 100%;--background: 210 40% 98%;--foreground: 222 47% 11%;--card: 0 0% 100%;--card-foreground: 222 47% 11%;--popover: 0 0% 100%;--popover-foreground: 222 47% 11%;--primary: 144 55% 39%;--primary-foreground: 0 0% 100%;--secondary: 41 100% 70%;--secondary-foreground: 222 47% 11%;--muted: 210 40% 96.1%;--muted-foreground: 215 16% 47%;--accent: 210 40% 96.1%;--accent-foreground: 222 47% 11%;--destructive: 0 84.2% 60.2%;--destructive-foreground: 210 40% 98%;--border: 214 32% 91%;--input: 214 32% 91%;--ring: 144 55% 39%;--chart-1: 144 55% 39%;--chart-2: 137 56% 52%;--chart-3: 41 100% 70%;--chart-4: 222 47% 11%;--chart-5: 215 16% 47%;--sidebar: 0 0% 100%;--sidebar-foreground: 222 47% 11%;--sidebar-primary: 144 55% 39%;--sidebar-primary-foreground: 0 0% 100%;--sidebar-accent: 210 40% 96.1%;--sidebar-accent-foreground: 222 47% 11%;--sidebar-border: 214 32% 91%;--sidebar-ring: 144 55% 39%;--font-sans: "Outfit", "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--font-serif: "Source Serif 4", "Georgia", serif;--font-mono: "JetBrains Mono", "Source Code Pro", monospace;--radius: .75rem;--shadow-x: 0;--shadow-y: 1px;--shadow-blur: 4px;--shadow-spread: 0px;--shadow-opacity: .12;--shadow-color: hsl(222 47% 11% / .1);--shadow-2xs: 0 1px 2px 0 hsl(222 47% 11% / .05);--shadow-xs: 0 2px 4px 0 hsl(222 47% 11% / .05);--shadow-sm: 0 1px 2px 0 hsl(222 47% 11% / .05);--shadow: 0 1px 3px 0 hsl(222 47% 11% / .1), 0 1px 2px -1px hsl(222 47% 11% / .1);--shadow-md: 0 4px 6px -1px hsl(222 47% 11% / .1), 0 2px 4px -2px hsl(222 47% 11% / .1);--shadow-lg: 0 10px 15px -3px hsl(222 47% 11% / .1), 0 4px 6px -4px hsl(222 47% 11% / .1);--shadow-xl: 0 20px 25px -5px hsl(222 47% 11% / .1), 0 8px 10px -6px hsl(222 47% 11% / .1);--shadow-2xl: 0 25px 50px -12px hsl(222 47% 11% / .25);--tracking-normal: 0em;--spacing: .25rem}.dark{--background: 0 0% 7%;--foreground: 214 32% 91%;--card: 150 12% 10%;--card-foreground: 214 32% 91%;--popover: 163 13% 11%;--popover-foreground: 214 32% 91%;--primary: 155 100% 19%;--primary-foreground: 155 64% 89%;--secondary: 161 52% 12%;--secondary-foreground: 151 47% 85%;--muted: 156 8% 12%;--muted-foreground: 157 7% 63%;--accent: 164 63% 14%;--accent-foreground: 155 68% 83%;--destructive: 0 91% 71%;--destructive-foreground: 0 0% 100%;--border: 154 10% 14%;--input: 154 10% 14%;--ring: 161 73% 45%;--chart-1: 162 70% 45%;--chart-2: 158 64% 52%;--chart-3: 159 84% 26%;--chart-4: 160 67% 65%;--chart-5: 155 69% 19%;--sidebar: 154 21% 6%;--sidebar-foreground: 214 32% 91%;--sidebar-primary: 155 100% 19%;--sidebar-primary-foreground: 155 64% 89%;--sidebar-accent: 159 53% 13%;--sidebar-accent-foreground: 151 47% 85%;--sidebar-border: 154 12% 12%;--sidebar-ring: 161 73% 45%;--font-sans: "Outfit", "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--font-serif: "Source Serif 4", "Georgia", serif;--font-mono: "JetBrains Mono", "Source Code Pro", monospace;--radius: .75rem;--shadow-x: 0;--shadow-y: 1px;--shadow-blur: 4px;--shadow-spread: 0px;--shadow-opacity: .12;--shadow-color: hsl(160 10% 10%);--shadow-2xs: 0 1px 2px 0 hsl(160 10% 10% / .04);--shadow-xs: 0 2px 4px 0 hsl(160 10% 10% / .06);--shadow-sm: 0 2px 6px -1px hsl(160 10% 10% / .08), 0 4px 10px -2px hsl(160 10% 10% / .06);--shadow: 0 3px 8px -2px hsl(160 10% 10% / .1), 0 12px 30px -10px hsl(160 10% 10% / .12);--shadow-md: 0 6px 12px -4px hsl(160 10% 10% / .12), 0 16px 40px -12px hsl(160 10% 10% / .14);--shadow-lg: 0 10px 24px -6px hsl(160 10% 10% / .16), 0 20px 52px -16px hsl(160 10% 10% / .18);--shadow-xl: 0 16px 40px -10px hsl(160 10% 10% / .2), 0 28px 72px -16px hsl(160 10% 10% / .22);--shadow-2xl: 0 24px 64px -12px hsl(160 10% 10% / .25);--tracking-normal: 0em;--spacing: .25rem}@theme inline{ --color-background: hsl(var(--background)); --color-foreground: hsl(var(--foreground)); --color-card: hsl(var(--card)); --color-card-foreground: hsl(var(--card-foreground)); --color-popover: hsl(var(--popover)); --color-popover-foreground: hsl(var(--popover-foreground)); --color-primary: hsl(var(--primary)); --color-primary-foreground: hsl(var(--primary-foreground)); --color-secondary: hsl(var(--secondary)); --color-secondary-foreground: hsl(var(--secondary-foreground)); --color-muted: hsl(var(--muted)); --color-muted-foreground: hsl(var(--muted-foreground)); --color-accent: hsl(var(--accent)); --color-accent-foreground: hsl(var(--accent-foreground)); --color-destructive: hsl(var(--destructive)); --color-destructive-foreground: hsl(var(--destructive-foreground)); --color-border: hsl(var(--border)); --color-input: hsl(var(--input)); --color-ring: hsl(var(--ring)); --color-sidebar: hsl(var(--sidebar)); --color-sidebar-foreground: hsl(var(--sidebar-foreground)); --color-sidebar-primary: hsl(var(--sidebar-primary)); --color-sidebar-primary-foreground: hsl(var(--sidebar-primary-foreground)); --color-sidebar-accent: hsl(var(--sidebar-accent)); --color-sidebar-accent-foreground: hsl(var(--sidebar-accent-foreground)); --color-sidebar-border: hsl(var(--sidebar-border)); --color-sidebar-ring: hsl(var(--sidebar-ring)); --color-chart-1: hsl(var(--chart-1)); --color-chart-2: hsl(var(--chart-2)); --color-chart-3: hsl(var(--chart-3)); --color-chart-4: hsl(var(--chart-4)); --color-chart-5: hsl(var(--chart-5)); --radius: var(--radius); --shadow-2xs: var(--shadow-2xs); --shadow-xs: var(--shadow-xs); --shadow-sm: var(--shadow-sm); --shadow: var(--shadow); --shadow-md: var(--shadow-md); --shadow-lg: var(--shadow-lg); --shadow-xl: var(--shadow-xl); --shadow-2xl: var(--shadow-2xl); --font-family-sans: var(--font-sans); --font-family-serif: var(--font-serif); --font-family-mono: var(--font-mono); --safe-area-inset-top: var(--safe-area-inset-top); --safe-area-inset-right: var(--safe-area-inset-right); --safe-area-inset-bottom: var(--safe-area-inset-bottom); --safe-area-inset-left: var(--safe-area-inset-left); }*{-webkit-touch-callout:none;-webkit-user-select:none;-khtml-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none;-webkit-tap-highlight-color:transparent}input,textarea,.selectable-text{-webkit-user-select:text;-khtml-user-select:text;-moz-user-select:text;-ms-user-select:text;user-select:text}button,a,[role=button],.interactive{touch-action:manipulation}html,body{overscroll-behavior-y:none;overscroll-behavior-x:auto;-webkit-overflow-scrolling:touch}.scrollable{overscroll-behavior:auto;-webkit-overflow-scrolling:touch}.login-screen{overscroll-behavior:auto;height:100vh;overflow-y:auto;overflow-x:hidden;position:relative;-webkit-overflow-scrolling:touch;touch-action:pan-y}.grid-cols-53{grid-template-columns:repeat(53,minmax(0,1fr))}.study-card-content{word-wrap:break-word;overflow-wrap:break-word;-webkit-hyphens:auto;hyphens:auto;max-width:100%;overflow-y:auto;overflow-x:hidden}.study-card-text{word-break:normal;overflow-wrap:break-word;-webkit-hyphens:auto;hyphens:auto;line-height:1.5;max-width:100%;text-rendering:optimizeLegibility;letter-spacing:-.01em;transition:font-size .2s ease-out,line-height .2s ease-out,text-align .2s ease-out}.study-card-content .study-card-text{max-height:clamp(220px,55vh,520px);width:100%;max-width:min(62ch,100%);margin-left:auto;margin-right:auto;overscroll-behavior:contain;scrollbar-gutter:stable both-edges}@media (max-width: 768px){.study-card-content .study-card-text{max-height:calc(60vh - 5rem)}}.study-card-text::-webkit-scrollbar{width:6px}.study-card-text::-webkit-scrollbar-track{background:transparent;border-radius:3px}.study-card-text::-webkit-scrollbar-thumb{background:#9ca3af80;border-radius:3px;transition:background .2s ease}.study-card-text::-webkit-scrollbar-thumb:hover{background:#9ca3afb3}.study-card-text{scrollbar-width:thin}.study-card-content::-webkit-scrollbar{width:8px}.study-card-content::-webkit-scrollbar-track{background:transparent;border-radius:4px}.study-card-content::-webkit-scrollbar-thumb{background-color:#9ca3af80;border-radius:4px;transition:background .2s ease}.study-card-content::-webkit-scrollbar-thumb:hover{background-color:#9ca3afb3}.study-card-content{scrollbar-width:thin;scrollbar-color:rgba(156,163,175,.5) transparent}@media (max-width: 640px){.deck-card-mobile{word-wrap:break-word;overflow-wrap:anywhere;-webkit-hyphens:auto;hyphens:auto;line-height:1.4}.deck-card-mobile .truncate{white-space:normal;overflow:visible;text-overflow:unset}.deck-card-mobile .break-words{word-break:break-word;overflow-wrap:anywhere}}@media (max-width: 480px){.deck-header-mobile{padding:1rem}.deck-buttons-mobile{grid-template-columns:1fr 1fr;gap:.5rem}.deck-buttons-mobile button{font-size:.75rem;padding:.5rem;height:2.25rem}}@media (min-width: 481px) and (max-width: 640px){.deck-buttons-mobile{grid-template-columns:repeat(3,1fr);gap:.75rem}}@media (max-width: 768px){button:not([role=switch]),[role=button]:not([role=switch]){min-height:44px;min-width:44px}.deck-card-actions button{padding:.75rem}.folder-mobile-actions{min-height:44px}.folder-mobile-actions button{min-height:44px;min-width:44px;padding:.5rem}.folder-compact{gap:.25rem}.folder-compact button{padding:.5rem;min-height:40px;min-width:40px}}.motivational-loading{animation:motivationalFadeIn .5s ease-in-out}@keyframes motivationalFadeIn{0%{opacity:0;transform:scale(.9)}to{opacity:1;transform:scale(1)}}.motivational-phrase{animation:phraseSlideIn .8s ease-in-out}@keyframes phraseSlideIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.motivational-dots{animation:dotsPulse 1.5s ease-in-out infinite}@keyframes dotsPulse{0%,to{opacity:.3}50%{opacity:1}}.loading-dot{animation:loadingBounce 1.4s ease-in-out infinite both}.loading-dot:nth-child(1){animation-delay:-.32s}.loading-dot:nth-child(2){animation-delay:-.16s}.loading-dot:nth-child(3){animation-delay:0s}@keyframes 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scale-out{0%{opacity:1;transform:scale(1)}to{opacity:0;transform:scale(.95)}}@keyframes slide-in-left{0%{opacity:0;transform:translate(-20px)}to{opacity:1;transform:translate(0)}}@keyframes pulse-glow{0%,to{box-shadow:0 0 5px #3b82f680}50%{box-shadow:0 0 20px #3b82f6cc}}@keyframes sidebar-slide-in{0%{opacity:0;transform:translate(-100%)}to{opacity:1;transform:translate(0)}}@keyframes sidebar-slide-out{0%{opacity:1;transform:translate(0)}to{opacity:0;transform:translate(-100%)}}@keyframes sidebar-expand{0%{opacity:.8}to{opacity:1}}@keyframes bounce-subtle{0%,to{transform:scale(1)}50%{transform:scale(1.05)}}.animate-fade-in{animation:fade-in .3s ease-out}.animate-fade-out{animation:fade-out .3s ease-out}.animate-scale-in{animation:scale-in .3s ease-out}.animate-scale-out{animation:scale-out .3s ease-out}.animate-slide-in-left{animation:slide-in-left .3s ease-out}.animate-pulse-glow{animation:pulse-glow 2s ease-in-out infinite}@media (max-width: 480px){.sidebar-mobile-optimized{width:100vw;max-width:280px}}@media (min-width: 481px) and (max-width: 640px){.sidebar-mobile-optimized{width:100vw;max-width:320px}}.sidebar-fixed{width:280px;min-width:280px;max-width:280px;flex-shrink:0}.sidebar-collapsed{width:72px;min-width:72px;max-width:72px;flex-shrink:0}@media (min-width: 1280px){.sidebar-fixed{width:320px;min-width:320px;max-width:320px}}@media (min-width: 1536px){.sidebar-fixed{width:360px;min-width:360px;max-width:360px}}@media (max-width: 1024px){.sidebar-fixed{width:260px;min-width:260px;max-width:260px}}@media (max-width: 768px){.sidebar-fixed{width:240px;min-width:240px;max-width:240px}.sidebar-collapsed{width:64px;min-width:64px;max-width:64px}}.sidebar-content-fixed{width:100%;max-width:100%;overflow-x:hidden;overflow-y:auto}.sidebar-content{scrollbar-width:thin;scrollbar-color:rgba(156,163,175,.5) transparent}.sidebar-content::-webkit-scrollbar{width:4px}@media (max-width: 640px){.sidebar-content::-webkit-scrollbar{width:3px}}.sidebar-content::-webkit-scrollbar-track{background:transparent}.sidebar-content::-webkit-scrollbar-thumb{background-color:#9ca3af80;border-radius:2px}.sidebar-content::-webkit-scrollbar-thumb:hover{background-color:#9ca3afb3}.focus-visible\:ring-2:focus-visible{outline:2px solid transparent;outline-offset:2px}.focus-visible\:ring-primary\/20:focus-visible{box-shadow:0 0 0 2px hsl(var(--ring) / .25)}.hover-lift{transition:transform .2s ease-in-out,box-shadow .2s ease-in-out;box-shadow:var(--shadow-xs)}.hover-lift:hover{transform:translateY(-2px);box-shadow:var(--shadow-md)}.glass{background:hsl(var(--card));border:1px solid hsl(var(--border));box-shadow:var(--shadow-sm)}.dark .glass{background:hsl(var(--card));border-color:hsl(var(--border))}.btn-glass{position:relative;border:1px solid hsl(var(--border));background:hsl(var(--card));color:hsl(var(--foreground));transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease,background-color .18s ease,color .18s ease;box-shadow:var(--shadow-xs);overflow:hidden}.btn-glass:hover{transform:translateY(-1px);border-color:hsl(var(--ring));box-shadow:var(--shadow-sm)}.btn-glass:active{transform:translateY(0);box-shadow:var(--shadow-2xs)}.btn-glass:disabled{opacity:.6;cursor:not-allowed;transform:none;box-shadow:none}.btn-glass-primary{background:hsl(var(--primary));color:hsl(var(--primary-foreground));border-color:hsl(var(--ring));box-shadow:0 10px 30px hsl(var(--primary) / .25)}.btn-glass-primary:hover{background:hsl(var(--primary));color:hsl(var(--primary-foreground));box-shadow:0 12px 36px hsl(var(--primary) / .3)}.dark .btn-glass-primary{box-shadow:0 10px 30px hsl(var(--primary) / .35)}.dark .btn-glass-primary:hover{box-shadow:0 14px 42px hsl(var(--primary) / .42)}.btn-glass-secondary{background:hsl(var(--secondary));color:hsl(var(--secondary-foreground));border-color:hsl(var(--border));box-shadow:var(--shadow-xs)}.btn-glass-secondary:hover{border-color:hsl(var(--ring));box-shadow:var(--shadow-sm)}.btn-glass-accent{background:hsl(var(--accent));color:hsl(var(--accent-foreground));border-color:hsl(var(--accent) / .55);box-shadow:0 10px 28px hsl(var(--accent) / .32)}.btn-glass-accent:hover{background:hsl(var(--accent));color:hsl(var(--accent-foreground));box-shadow:0 12px 34px hsl(var(--accent) / .38)}.dark .btn-glass-secondary,.dark .btn-glass-accent{box-shadow:var(--shadow-xs)}.dark .btn-glass-secondary:hover,.dark .btn-glass-accent:hover{box-shadow:var(--shadow-sm)}.community-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:clamp(1rem,1.5vw,1.75rem);padding-bottom:max(1.5rem,var(--safe-area-inset-bottom, 0px))}.community-deck-card{background-color:hsl(var(--card));border:2px solid hsl(var(--border));border-radius:1rem;padding:clamp(1rem,2vw,1.5rem);display:flex;flex-direction:column;gap:1rem;min-height:100%;box-shadow:var(--shadow-sm);transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;overflow:hidden}.community-deck-card:hover,.community-deck-card:focus-within{border-color:hsl(var(--primary));box-shadow:var(--shadow-md);transform:translateY(-2px)}.community-deck-card--copied{border-color:hsl(var(--primary));box-shadow:0 0 0 2px hsl(var(--primary) / .2)}.community-deck-card__header{display:flex;gap:1rem;align-items:center;justify-content:space-between;flex-wrap:wrap}.community-deck-card__title-row{display:flex;gap:.85rem;align-items:center;flex:1;min-width:0}.community-deck-card__icon{width:44px;height:44px;border-radius:.85rem;background-color:hsl(var(--primary) / .08);color:hsl(var(--primary));display:flex;align-items:center;justify-content:center;flex-shrink:0}.community-deck-card__title-group{min-width:0}.community-deck-card__title{font-size:1.15rem;font-weight:700;color:hsl(var(--foreground));margin:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.community-deck-card__author{font-size:.85rem;color:hsl(var(--muted-foreground));margin:.15rem 0 0}.community-deck-card__badge-stack{display:flex;flex-direction:column;gap:.35rem;align-items:flex-end}.community-deck-card__badge{font-size:.75rem;font-weight:700;padding:.25rem .75rem;border-radius:999px;border:1px solid hsl(var(--border));white-space:nowrap}.community-deck-card__badge--category{background-color:hsl(var(--primary) / .08);color:hsl(var(--primary));border-color:hsl(var(--primary) / .2)}.community-deck-card__description{color:hsl(var(--muted-foreground));font-size:.95rem;line-height:1.6;margin:0;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}.community-deck-card__stats{display:flex;gap:1.5rem;flex-wrap:wrap}.community-deck-card__stat{display:flex;flex-direction:column;gap:.1rem}.community-deck-card__stat-value{font-size:1.2rem;font-weight:700;color:hsl(var(--foreground));line-height:1}.community-deck-card__stat-label{font-size:.8rem;letter-spacing:.02em;text-transform:uppercase;color:hsl(var(--muted-foreground))}.community-deck-card__actions{display:flex;flex-direction:column;gap:.75rem;margin-top:auto;min-width:0}.community-deck-card__vote-group{display:flex;align-items:center;gap:.4rem;flex-wrap:nowrap}.community-deck-card__vote-button{width:2.6rem;height:2.6rem;border-radius:.8rem;border:1px solid hsl(var(--border));background-color:hsl(var(--accent));color:hsl(var(--muted-foreground));display:inline-flex;align-items:center;justify-content:center;transition:background-color .15s ease,color .15s ease,border-color .15s ease,transform .15s ease,opacity .15s ease}.community-deck-card__vote-button:hover{transform:translateY(-1px)}.community-deck-card__vote-button.is-disabled{opacity:.55;cursor:not-allowed;transform:none}.community-deck-card__vote-button--up.is-active{background-color:#d1fadf;color:#295638;border-color:#85e0a3}.community-deck-card__vote-button--down.is-active{background-color:#fbd0d0;color:#862d2d;border-color:#ec9393}.dark .community-deck-card__vote-button--up.is-active{background-color:#26402f;color:#adebc2;border-color:#3a784f}.dark .community-deck-card__vote-button--down.is-active{background-color:#452121;color:#f0a8a8;border-color:#6b2e2e}.community-deck-card__vote-count{font-weight:700;min-width:2.5rem;text-align:center;color:hsl(var(--foreground))}.community-deck-card__vote-count--loading{color:hsl(var(--muted-foreground));animation:community-card-pulse 1.2s ease-in-out infinite}.community-deck-card__spinner{width:1rem;height:1rem;border-radius:999px;border:2px solid currentColor;border-top-color:transparent;animation:community-card-spin .9s linear infinite}.community-deck-card__copy-button{width:100%;min-height:2.75rem;border-radius:.85rem;border:2px solid hsl(var(--primary) / .4);background-color:hsl(var(--primary) / .08);color:hsl(var(--primary));font-weight:700;font-size:.95rem;display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:0 1.25rem;transition:background-color .15s ease,border-color .15s ease,color .15s ease,transform .15s 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