:root{--primary: #fc9676;--primary-light: #FF8A65;--primary-dark: #E85A2E;--accent: #66B2FF;--accent-light: #AADDFF;--accent-dark: #4A9EE6;--success: #10B981;--warning: #F59E0B;--error: #EF4444;--text-dark: #4A5568;--text-muted: #67778d;--text-light: #fc906d;--bg-light: #fff8f5;--bg-card: #FFFFFF;--border: #f9a990;--peach: #FFAB91;--peach-light: #FFE4D6;--peach-dark: #FF8A65;--sky: #81D4FA;--sky-light: #AADDFF;--sky-dark: #66B2FF;--header-strip: #444444;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .05);--shadow: 0 4px 6px -1px rgb(0 0 0 / .1);--text-shadow: 0 2px 4px rgb(0 0 0 / .1);--text-shadow-light: 5px 5px 14.5px #D2C2BB75;--shadow-md: 0 10px 15px -3px rgb(0 0 0 / .1);--shadow-lg: 0 20px 25px -5px rgb(0 0 0 / .1);--shadow-xl: 0 25px 50px -12px rgb(0 0 0 / .25);--radius: 12px;--radius-lg: 16px;--radius-xl: 24px}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe 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100%);color:#fff;display:flex;align-items:center;justify-content:center;font-size:.75rem;font-weight:700;flex-shrink:0}.user-avatar-lg{width:48px;height:48px;font-size:1rem}.user-name{font-weight:600;white-space:nowrap}.user-menu-arrow{transition:transform .2s ease;flex-shrink:0;color:var(--text-muted)}.user-menu-dropdown{position:absolute;top:calc(100% + .5rem);right:0;min-width:240px;background:#fff;border-radius:12px;box-shadow:0 4px 24px #0000001f,0 2px 8px #00000014;opacity:0;visibility:hidden;transform:translateY(-8px);transition:all .2s ease;z-index:1000;overflow:hidden}.user-menu[data-open=true] .user-menu-dropdown{opacity:1;visibility:visible;transform:translateY(0)}.user-menu-header{display:flex;align-items:center;gap:.75rem;padding:1rem 1.25rem;background:var(--bg-light)}.user-info{flex:1;min-width:0}.user-full-name{font-size:.9375rem;font-weight:600;color:var(--text-dark);margin-bottom:.25rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.user-email{font-size:.8125rem;color:var(--text-muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.user-menu-divider{height:1px;background:var(--border);margin:.5rem 0}.user-menu-item{display:flex;align-items:center;gap:.75rem;width:100%;padding:.75rem 1.25rem;background:none;border:none;text-align:left;font-size:.9375rem;font-weight:500;color:var(--text-dark);cursor:pointer;transition:background .2s ease;text-decoration:none}.user-menu-item:hover{background:var(--bg-light)}.user-menu-item svg{flex-shrink:0;color:var(--text-muted)}.user-menu-item:hover svg{color:var(--primary)}.user-menu-item-danger{color:#dc2626}.user-menu-item-danger:hover{background:#fef2f2;color:#dc2626}.user-menu-item-danger svg{color:#dc2626}.user-menu-item-danger:hover svg{color:#dc2626}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.625rem 1.25rem;font-size:.9375rem;font-weight:600;border-radius:10px;border:none;cursor:pointer;transition:all .2s ease;text-decoration:none}.btn-ghost{background:transparent;color:var(--text-dark);border:2px solid transparent}.header-actions .btn-ghost:first-of-type{border-color:var(--primary)}.btn-ghost:hover{background:var(--bg-light)}.header-actions .btn-ghost:first-of-type:hover{background:#ff704314}.btn-primary{background:var(--primary);color:#fff;border:2px solid var(--primary)}.btn-primary:hover{background:var(--primary-dark);border-color:var(--primary-dark);box-shadow:0 4px 14px #ff704359}.btn-primary:disabled{opacity:.6;cursor:not-allowed;transform:none}.btn-lg{padding:.875rem 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.2s}.footer-link:hover{color:#fff}.footer-bottom{padding-top:2rem;border-top:1px solid rgba(255,255,255,.1);display:flex;justify-content:space-between;align-items:center;font-size:.875rem}.footer-legal{display:flex;gap:2rem}.footer-legal a{color:#ffffff80;text-decoration:none;transition:color .2s}.footer-legal a:hover{color:#fff}@keyframes fadeInUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}.animate-in{animation:fadeInUp .6s ease forwards}.delay-1{animation-delay:.1s}.delay-2{animation-delay:.2s}.delay-3{animation-delay:.3s}.delay-4{animation-delay:.4s}.section-header{text-align:center;max-width:640px;margin:0 auto 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span{color:var(--primary)}.hero-description{font-size:1.125rem;color:var(--text-muted);margin-bottom:2rem;line-height:1.7}.hero-actions{display:flex;gap:1rem;margin-bottom:3rem}.hero-stats{display:flex;gap:3rem}.stat-item{text-align:left}.stat-value{font-size:1.75rem;font-weight:700;color:var(--text-dark)}.stat-label{font-size:.875rem;color:var(--text-muted)}.hero-visual{position:relative}.hero-cards{position:relative;height:480px}.hero-card{position:absolute;background:#fff;border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);overflow:hidden;transition:all .4s ease}.hero-card:hover{transform:translateY(-8px) rotate(0)!important;box-shadow:var(--shadow-xl)}.hero-card-1{width:280px;top:0;right:40px;transform:rotate(3deg);z-index:3}.hero-card-2{width:260px;top:80px;right:200px;transform:rotate(-5deg);z-index:2}.hero-card-3{width:240px;top:200px;right:20px;transform:rotate(6deg);z-index:1}.hero-card-img{width:100%;height:160px;background:linear-gradient(135deg,var(--primary-light) 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ease}.feature-card:hover{background:#fff;box-shadow:var(--shadow-md);transform:translateY(-4px)}.feature-icon{width:56px;height:56px;background:linear-gradient(135deg,var(--primary) 0%,var(--primary-light) 100%);border-radius:var(--radius);display:flex;align-items:center;justify-content:center;margin-bottom:1.5rem}.feature-icon svg{width:28px;height:28px;stroke:#fff;stroke-width:2;fill:none}.feature-title{font-size:1.125rem;font-weight:600;color:var(--text-dark);margin-bottom:.75rem}.feature-description{font-size:.9375rem;color:var(--text-muted);line-height:1.6}.categories{padding:5rem 0;background:linear-gradient(180deg,var(--sky-light) 0%,white 100%)}.categories-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1.5rem}.category-card{background:#fff;border-radius:var(--radius-lg);padding:1.75rem 1rem;text-align:center;cursor:pointer;transition:all .3s ease;border:2px solid 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.category-icon.category-icon-img{filter:none}.category-name{font-size:.9375rem;font-weight:600;color:var(--text-dark);margin-bottom:.25rem}.category-count{font-size:.8125rem;color:var(--text-light)}.cta{padding:5rem 0;background:linear-gradient(135deg,var(--peach-dark) 0%,var(--sky) 100%);position:relative;overflow:hidden}.cta:before{content:"";position:absolute;top:-50%;right:-20%;width:60%;height:150%;background:radial-gradient(circle,rgba(255,255,255,.1) 0%,transparent 60%)}.cta-inner{text-align:center;position:relative;z-index:1}.cta-title{font-size:2.5rem;font-weight:700;color:#fff;margin-bottom:1rem}.cta-description{font-size:1.125rem;color:#ffffffe6;margin-bottom:2rem;max-width:560px;margin-left:auto;margin-right:auto}.cta-actions{display:flex;justify-content:center;gap:1rem}body.wheel-popup-open{overflow:hidden}.wheel-popup-backdrop{position:fixed;inset:0;background:#1e293b8c;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);z-index:2100;display:flex;align-items:center;justify-content:center;padding:1rem;opacity:0;pointer-events:none;transition:opacity .22s ease}.wheel-popup-backdrop.is-open{opacity:1;pointer-events:auto}.wheel-popup-panel{position:relative;width:min(1240px,100%);max-height:min(92vh,820px);overflow:auto;border-radius:28px;background:#f2ece9;border:1px solid rgba(238,198,184,.85);box-shadow:0 26px 55px #0f172a4d,inset 0 1px #fffc;transform:translateY(16px) scale(.98);transition:transform .22s 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rgba(148,163,184,.35);font-weight:700}.wheel-popup-title{margin-top:.8rem;font-size:clamp(1.8rem,1.4rem + 1vw,2.3rem);color:#334155;letter-spacing:-.015em;font-family:Avenir Next,Segoe UI,sans-serif;font-weight:700}.wheel-popup-description{margin-top:.35rem;color:#64748b;max-width:720px;margin-left:auto;margin-right:auto}.wheel-popup-open-btn{position:fixed;right:1rem;bottom:1rem;z-index:1200;border:none;border-radius:999px;padding:.8rem 1.1rem;background:linear-gradient(125deg,#5ba9d2,#4286bf);color:#fff;font-size:.875rem;font-weight:700;letter-spacing:.01em;box-shadow:0 14px 28px #1e40af59;cursor:pointer;animation:wheelFloatBtn 2.8s ease-in-out infinite}.wheel-card{background:linear-gradient(102deg,#ececec 0% 52%,#efdbbe 52%,#c5dce8);border:1px solid rgba(232,189,171,.95);border-radius:26px;box-shadow:0 14px 30px #33415533,inset 0 1px #fffc;margin:0 1.5rem 1.5rem;overflow:hidden}.wheel-layout{display:grid;grid-template-columns:minmax(320px,540px) minmax(280px,1fr);align-items:stretch;min-height:560px}.wheel-board-shell{display:flex;align-items:center;justify-content:center;padding:1.8rem 1.4rem}.wheel-board{position:relative;width:min(100%,500px);margin:0 auto;filter:drop-shadow(0 14px 24px rgba(51,65,85,.26))}.wheel-win-toast{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%) scale(.82);width:min(78%,320px);border-radius:20px;border:1px solid rgba(15,118,110,.4);background:linear-gradient(140deg,#fffffff5,#d1fae5f0);box-shadow:0 16px 32px #0f172a40,inset 0 1px #ffffffd1;padding:.95rem 1rem 1.05rem;display:flex;flex-direction:column;align-items:center;gap:.22rem;text-align:center;opacity:0;pointer-events:none;z-index:5}.wheel-win-toast.is-visible{animation:wheelWinToastInOut 3.2s cubic-bezier(.2,.9,.22,1) forwards}.wheel-win-toast__heading{font-size:.9rem;font-weight:700;letter-spacing:.03em;text-transform:uppercase;color:#0f766e}.wheel-win-toast__prize{font-size:clamp(1.1rem,.92rem + .45vw,1.45rem);font-weight:800;color:#11446e;line-height:1.2}.wheel-win-toast__credits{font-size:1rem;font-weight:700;color:#0f766e}.wheel-pointer{position:absolute;left:50%;top:-28px;transform:translate(-50%);width:0;height:0;border-left:20px solid transparent;border-right:20px solid transparent;border-top:38px solid #42a3cf;z-index:3;filter:drop-shadow(0 6px 10px rgba(66,163,207,.38))}.wheel-disc{width:100%;aspect-ratio:1 / 1;border-radius:50%;border:22px solid #f4f5f6;box-shadow:0 18px 36px #47556942,inset 0 0 0 1px #fffc;position:relative;overflow:hidden;transition:transform 4.5s cubic-bezier(.16,1,.3,1)}.wheel-disc:before{content:"";position:absolute;inset:4.8%;border:3px dashed rgba(255,255,255,.6);border-radius:50%}.wheel-center{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:128px;height:128px;border-radius:50%;background:#e4e6ea;border:4px solid #d6dbe2;color:#715e45;font-size:2.05rem;font-weight:800;letter-spacing:.04em;text-transform:uppercase;display:flex;align-items:center;justify-content:center;z-index:2;box-shadow:inset 0 4px 12px #ffffffbf}.wheel-label{position:absolute;transform:translate(-50%,-50%) rotate(var(--wheel-label-rotation, 0deg));transform-origin:center center;display:flex;align-items:center;justify-content:center;font-size:.7rem;font-weight:700;color:#fff;text-shadow:0 2px 3px rgba(51,65,85,.35);text-align:center;white-space:nowrap;line-height:1.2;pointer-events:none;-webkit-user-select:none;user-select:none}.wheel-sidebar{display:flex;flex-direction:column;justify-content:space-between;padding:2.2rem 1.9rem 0;background:linear-gradient(115deg,#efd99c38,#c5dce86b)}.wheel-sidebar-content{width:min(520px,100%);margin-inline:auto;display:flex;flex-direction:column;gap:1.35rem}.wheel-balance-row{display:flex;flex-direction:column;align-items:flex-start;gap:.7rem;border:none;background:transparent;border-radius:0;padding:0;color:#52647c}.wheel-balance-row span{font-size:clamp(1.4rem,.85rem + 1.9vw,2.8rem);font-weight:700;line-height:1.1}.wheel-balance-row strong{width:100%;display:block;text-align:right;border:1px solid rgba(241,132,102,.85);background:#ffffffc2;border-radius:16px;padding:.55rem 1.45rem;font-size:clamp(2.1rem,1.2rem + 2.2vw,3rem);font-weight:700;line-height:1.1;color:#8b8f92;box-shadow:0 8px 18px #64748b24}.wheel-status{border:none;background:transparent;color:#58657a;border-radius:0;padding:0;margin:0;font-size:clamp(1.25rem,.95rem + .8vw,1.9rem);line-height:1.28;text-align:center;font-weight:700}.wheel-status.is-success{color:#0f766e}.wheel-status.is-error{color:#b91c1c}.wheel-status.is-muted{color:#58657a}.wheel-spin-btn{width:100%;min-height:78px;border:1px solid #ef805f;border-radius:16px;background:#f79779!important;color:#fff!important;box-shadow:0 8px 18px #f184666b;font-size:clamp(1.35rem,.95rem + .95vw,2rem);font-weight:700;line-height:1.1;letter-spacing:.01em}.wheel-spin-btn:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 10px 22px #f1846680;background:#f58c6b!important}.wheel-spin-btn:disabled{opacity:.75;cursor:not-allowed}.wheel-login-link{font-size:.88rem;color:#496381;text-decoration:underline;text-underline-offset:3px;font-weight:600;text-align:center}.wheel-illustration{margin-top:1rem;display:flex;justify-content:flex-end}.wheel-illustration img{width:min(360px,100%);display:block;object-fit:contain}.wheel-board.is-spinning .wheel-pointer{animation:wheelPointerTick .18s ease-in-out infinite}.wheel-board.is-celebrating:after{content:"";position:absolute;inset:-20px;border-radius:50%;pointer-events:none;background:radial-gradient(circle at 12% 16%,rgba(255,255,255,.85) 0 3px,transparent 3px 100%),radial-gradient(circle at 78% 10%,rgba(255,255,255,.85) 0 3px,transparent 3px 100%),radial-gradient(circle at 92% 38%,rgba(255,255,255,.85) 0 4px,transparent 4px 100%),radial-gradient(circle at 18% 84%,rgba(255,255,255,.85) 0 4px,transparent 4px 100%);animation:wheelConfettiBurst .9s ease-out forwards}.wheel-fireworks{position:fixed;inset:0;pointer-events:none;z-index:2600;overflow:hidden;isolation:isolate}.wheel-fireworks:before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 50% 40%,#ffffff4d,#fff0 58%),radial-gradient(circle at 50% 65%,#afd3ff3d,#afd3ff00 62%);opacity:0;animation:wheelConfettiBackdropPulse 1s ease-out .12s forwards}.wheel-confetti-piece{position:absolute;width:var(--w, 8px);height:var(--h, 14px);background:var(--color, #ffd166);border-radius:2px;opacity:0;box-shadow:0 2px 10px #0f172a33;will-change:transform,opacity}.wheel-confetti-piece:after{content:"";position:absolute;inset:0;border-radius:inherit;background:linear-gradient(90deg,#ffffff85 0 24%,#ffffff0d 80%)}.wheel-confetti-piece--round{border-radius:999px}.wheel-confetti-piece--burst{left:var(--start-x, 50%);top:var(--start-y, 35%);transform:translate(-50%,-50%) rotate(var(--rot-start, 0deg));animation:wheelConfettiBurstMove var(--duration, 1.4s) cubic-bezier(.18,.76,.23,1) var(--delay, 0ms) forwards}.wheel-confetti-piece--rain{left:var(--start-x, 50%);top:0;transform:translate(-50%,-12vh) rotate(var(--rot-start, 0deg));animation:wheelConfettiRainFall var(--duration, 2.6s) linear var(--delay, 0ms) forwards}@keyframes wheelPointerTick{0%,to{transform:translate(-50%) rotate(0)}50%{transform:translate(-50%) rotate(-7deg)}}@keyframes wheelConfettiBurst{0%{opacity:0;transform:scale(.9)}18%{opacity:1}to{opacity:0;transform:scale(1.06)}}@keyframes wheelConfettiBackdropPulse{0%{opacity:0}35%{opacity:.95}to{opacity:0}}@keyframes wheelConfettiBurstMove{0%{opacity:0;transform:translate(-50%,-50%) rotate(var(--rot-start, 0deg)) scale(.56)}10%{opacity:1}to{opacity:0;transform:translate(calc(-50% + var(--dx, 0px)),calc(-50% + var(--dy, 140px))) rotate(var(--rot-end, 560deg)) scale(.92)}}@keyframes wheelConfettiRainFall{0%{opacity:0;transform:translate(-50%,-12vh) rotate(var(--rot-start, 0deg))}8%{opacity:1}to{opacity:0;transform:translate(calc(-50% + var(--drift, 0px)),110vh) rotate(var(--rot-end, 720deg))}}@keyframes wheelWinToastInOut{0%{opacity:0;transform:translate(-50%,-58%) scale(.74)}12%{opacity:1;transform:translate(-50%,-50%) scale(1)}78%{opacity:1;transform:translate(-50%,-50%) scale(1)}to{opacity:0;transform:translate(-50%,-45%) scale(.88)}}@keyframes wheelFloatBtn{0%,to{transform:translateY(0)}50%{transform:translateY(-4px)}}.testimonials{padding:5rem 0;background:linear-gradient(135deg,var(--peach-light) 0%,var(--sky-light) 100%)}.testimonials-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:2rem}.testimonial-card{background:#fff;border-radius:var(--radius-lg);padding:2rem;box-shadow:var(--shadow)}.testimonial-stars{display:flex;gap:.25rem;margin-bottom:1rem}.testimonial-star{width:18px;height:18px;fill:var(--warning)}.testimonial-text{font-size:1rem;color:var(--text-dark);line-height:1.7;margin-bottom:1.5rem}.testimonial-author{display:flex;align-items:center;gap:1rem}.testimonial-avatar{width:48px;height:48px;background:linear-gradient(135deg,var(--primary) 0%,var(--accent) 100%);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.25rem;font-weight:600;color:#fff}.testimonial-info{flex:1}.testimonial-name{font-size:.9375rem;font-weight:600;color:var(--text-dark)}.testimonial-role{font-size:.8125rem;color:var(--text-muted)}.search-container{max-width:640px;margin:0 auto}.search-bar{display:flex;align-items:center;background:#fffefe;border:2px solid var(--primary);border-radius:var(--radius-lg);padding:.5rem 1rem;transition:all .3s ease;box-shadow:var(--shadow-sm)}.search-bar:focus-within{border-color:var(--primary);box-shadow:var(--shadow-md),0 0 0 4px #ff70431f}.search-bar svg{width:24px;height:24px;stroke:var(--text-light);margin-right:1rem;flex-shrink:0}.search-bar input{flex:1;min-width:0;border:none;outline:none;font-size:1rem;color:var(--text-dark);background:transparent;padding:.75rem 0}.search-bar input::placeholder{color:var(--text-muted)}.search-bar .search-shortcut{padding:.375rem .75rem;background:var(--bg-light);border-radius:8px;font-size:.75rem;color:var(--text-muted);font-weight:500;margin-left:.5rem;flex-shrink:0}@media(max-width:768px){.search-bar .search-shortcut{display:none}}.materials{padding:3rem 0 5rem;background:var(--bg-light)}.category-tabs{display:flex;justify-content:center;gap:.75rem;flex-wrap:wrap;margin-bottom:1.5rem}.category-tab{display:flex;flex-direction:row;align-items:center;justify-content:space-between;padding:1rem 1.25rem;background:#fffefe;border:2px solid var(--primary);border-radius:20px;cursor:pointer;transition:all .3s ease;min-width:200px;min-height:100px;gap:1rem}.category-tab:not(.active):hover{border-color:var(--primary-dark);transform:translateY(-4px);box-shadow:var(--shadow-md)}.category-tab.active{background:linear-gradient(90deg,#4bb1de,#a1e2ff);border:1px solid #FC906D;border-radius:20px;color:#fff;box-shadow:var(--shadow-md)}.category-tab-text{display:flex;flex-direction:column;align-items:flex-start;justify-content:center;text-align:left;min-width:0}.category-tab-icon{flex-shrink:0;display:flex;align-items:center;justify-content:center}.category-tab-icon svg{width:32px;height:32px;stroke:var(--primary);stroke-width:2;fill:none}.category-tab-icon .category-tab-icon-img{width:32px;height:32px;object-fit:contain}.category-tab.active .category-tab-icon svg{stroke:#fff}.category-tab.active .category-tab-icon .category-tab-icon-img{filter:brightness(0) invert(1)}.category-tab-name{font-family:Inter,sans-serif;font-size:1rem;font-weight:600;line-height:100%;color:var(--peach-dark)}.category-tab.active .category-tab-name{color:#fff}.category-tab-count{font-weight:400;font-size:.75rem;line-height:1.2;margin-top:.25rem}.category-tab .category-tab-count,.category-tab:not(.active) .category-count{color:var(--primary)}.category-tab.active .category-tab-count,.category-tab.active .category-count{color:#fff}.materials-filters{display:flex;justify-content:center;gap:.5rem;flex-wrap:wrap;margin-bottom:2rem}.filter-chip{padding:.5rem 1rem;background:#fff;border:2px solid #A1E2FF;border-radius:100px;font-size:.875rem;font-weight:600;color:#4bb1de;cursor:pointer;transition:all .2s ease}.filter-chip:hover{border-color:#4bb1de;background:#4bb1de1f}.filter-chip.active{background:linear-gradient(90deg,#a1e2ff,#4bb1de);border:1px solid rgba(75,177,222,.6);color:#fff}.materials-grid-wrapper{position:relative;min-height:200px}.materials-loading-overlay{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:flex-start;padding-top:2rem;background:#ffffffeb;border-radius:var(--radius-lg);z-index:10;pointer-events:none}.materials-loading-card{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1.25rem;padding:2rem 2.5rem;background:#fff;border-radius:var(--radius-lg);box-shadow:0 10px 40px #0000001f,0 0 0 1px #0000000f}.materials-loading-spinner{width:56px;height:56px;border:4px solid rgba(0,0,0,.08);border-top-color:var(--peach-dark, #e65100);border-radius:50%;animation:materials-spin .75s linear infinite}.materials-loading-text{font-size:1.0625rem;font-weight:600;color:var(--peach-dark, #e65100)}@keyframes materials-spin{to{transform:rotate(360deg)}}.materials-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1.5rem}.materials-grid.materials-grid--sections{display:block}.materials-grid .materials-section{margin-bottom:3rem;padding:1.25rem 1.25rem 1.5rem;border-radius:var(--radius-lg);border:2px solid transparent;transition:border-color .25s ease,box-shadow .25s ease,background-color .25s ease,transform .25s ease}.materials-grid .materials-section:hover{border-color:color-mix(in srgb,var(--category-color, var(--peach)) 35%,transparent);background-color:color-mix(in srgb,var(--category-color, var(--peach-light)) 8%,white);box-shadow:var(--shadow);transform:translateY(-2px)}.materials-section-header{display:flex;align-items:baseline;gap:.75rem;margin-bottom:1rem;flex-wrap:wrap}.materials-section-title{font-size:1.875rem;font-weight:600;color:var(--peach-dark);margin:0;padding-bottom:.25rem}.materials-section-top-title{font-size:3rem;font-weight:700;color:var(--peach-dark);margin:0 auto;text-align:center;text-shadow:var(--text-shadow-light)}.materials-section-count{font-size:.875rem;color:var(--sky-dark);font-weight:500}.materials-grid-inline{display:grid;grid-template-columns:repeat(4,1fr);gap:1.5rem;margin-bottom:1rem}.materials-section-actions{margin-top:.5rem;display:flex;align-items:center;justify-content:flex-end;gap:.75rem}.materials-section--empty .materials-section-header{float:left;margin-bottom:0}.materials-section--empty .materials-section-grid{display:none}.materials-section--empty .materials-section-actions{float:right;margin-top:0}.materials-section--empty:after{content:"";display:table;clear:both}.materials-section-loading{font-size:.875rem;color:var(--sky-dark)}.btn-more-category{display:inline-flex;align-items:center;gap:.5rem;padding:.5rem 1.25rem;background:#fff;border:1px solid var(--peach);border-radius:11px;color:var(--peach-dark);font-size:.875rem;font-weight:600;cursor:pointer;box-shadow:var(--shadow);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}.btn-more-category:after{content:"";display:inline-block;width:0;height:0;border-left:5px solid currentColor;border-top:4px solid transparent;border-bottom:4px solid transparent}.btn-more-category:hover{border-color:var(--peach-dark);transform:translateY(-2px);box-shadow:var(--shadow-md)}.material-card{display:flex;flex-direction:column;height:315px;width:315px;background:#fff;border-radius:var(--radius-lg);border:2px solid var(--peach-light);overflow:hidden;transition:all .3s ease;cursor:pointer}.material-card:hover{border-color:var(--peach);box-shadow:var(--shadow-lg);transform:translateY(-6px)}.material-thumbnail{position:relative;height:165px;background:linear-gradient(135deg,var(--peach-light) 0%,var(--sky-light) 100%);overflow:hidden}.material-thumbnail-image{position:absolute;top:0;left:0;width:100%;object-fit:cover;object-position:top center;display:block;max-height:163px}.material-thumbnail-inner{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:100px;height:130px;background:#fff;border-radius:4px;box-shadow:var(--shadow);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:.5rem}.material-thumbnail-icon{width:36px;height:36px;background:var(--peach-light);border-radius:8px;display:flex;align-items:center;justify-content:center}.material-thumbnail-icon svg{width:18px;height:18px;stroke:var(--peach-dark)}.material-thumbnail-lines{width:60%;display:flex;flex-direction:column;gap:4px}.material-thumbnail-line{height:4px;background:var(--peach-light);border-radius:2px}.material-thumbnail-line:nth-child(2){width:80%}.material-thumbnail-line:nth-child(3){width:60%}.material-card-wrapper{position:relative;min-width:0;display:flex}.material-badge-row{display:flex;flex-wrap:wrap;gap:.5rem;margin-bottom:.5rem}.material-level-badge{padding:.2rem .5rem;border-radius:100px;font-size:.6875rem;font-weight:700;background:#fffbf9;color:var(--peach-dark);border:1px solid var(--sky)}.material-level-badge--difficulty{background:#fffbf9;color:var(--peach-dark);border:1px solid var(--sky)}.material-level-badge--bw{background:#e5e7eb;color:#374151}.save-material-btn{position:absolute;top:.75rem;right:.75rem;width:36px;height:36px;background:#fffffff2;border:2px solid var(--border);border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .2s ease;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);z-index:10;padding:0}.save-material-btn:hover{background:#fff;border-color:var(--primary);transform:scale(1.1)}.save-material-btn:disabled{opacity:.6;cursor:not-allowed;transform:none}.save-material-btn svg{width:18px;height:18px;stroke:var(--text-muted);transition:all .2s ease}.save-material-btn:hover svg{stroke:var(--primary)}.save-material-btn.saved{background:var(--primary);border-color:var(--primary)}.save-material-btn.saved svg{stroke:#fff;fill:#fff}.save-material-btn.saved:hover{background:var(--peach-dark);border-color:var(--peach-dark)}.material-body{flex:1;display:flex;flex-direction:column;min-height:0;padding:1.25rem}.material-category{font-size:.75rem;font-weight:600;color:var(--peach-dark);text-transform:uppercase;letter-spacing:.03em;margin-bottom:.5rem}.material-title{font-size:1rem;font-weight:600;color:var(--text-dark);margin-bottom:.75rem;line-height:1.4;min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.material-meta{display:flex;gap:1rem;font-size:.8125rem;color:var(--text-muted)}.material-meta-item{display:flex;align-items:center;gap:.375rem}.material-meta-item:last-child{color:var(--peach-dark)}.material-meta-item svg{width:14px;height:14px;stroke:currentColor}.materials-empty{text-align:center;padding:4rem 2rem;color:var(--text-muted);grid-column:1 / -1}.results-info{text-align:center;margin-bottom:1.5rem;font-size:.9375rem;color:var(--text-muted)}.results-info strong{color:var(--text-dark)}.pagination{display:flex;justify-content:center;gap:.5rem;margin-top:3rem}.pagination-btn{padding:.75rem 1rem;background:#fff;border:2px solid var(--border);border-radius:10px;font-size:.875rem;font-weight:600;color:var(--text-dark);cursor:pointer;transition:all .2s ease;text-decoration:none;display:inline-block}.pagination-btn:hover:not(:disabled){border-color:var(--primary);color:var(--primary)}.pagination-btn.active{background:var(--primary);border-color:var(--primary);color:#fff}.pagination-btn:disabled{opacity:.5;cursor:not-allowed}.material-show-page .container{padding-bottom:3rem}.material-show-page .back-link{margin-bottom:1rem;margin-top:-.25rem}.material-show-page .back-link .btn-ghost{padding-left:0}.material-show-page .back-link .btn-ghost svg{width:20px;height:20px;margin-right:.5rem}.material-detail-card{background:#fff;border-radius:24px;border:1px solid var(--border);overflow:hidden;box-shadow:var(--shadow-lg)}.material-detail-grid{display:grid;grid-template-columns:1fr 1fr;gap:0}.material-detail-preview{background:linear-gradient(135deg,var(--peach-light) 0%,var(--sky-light) 100%);padding:1rem;display:flex;justify-content:center;position:relative;overflow:visible}.material-detail-preview img{max-width:80%;border-radius:12px;box-shadow:var(--shadow-xl);object-fit:contain}.material-detail-preview-placeholder{width:200px;height:260px;background:#fff;border-radius:12px;box-shadow:var(--shadow-xl);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1rem}.material-detail-preview-placeholder-icon{width:48px;height:48px;background:var(--peach-light);border-radius:12px;display:flex;align-items:center;justify-content:center}.material-detail-preview-placeholder-icon svg{width:24px;height:24px;stroke:var(--peach-dark)}.material-detail-preview-lines{width:60%;display:flex;flex-direction:column;gap:6px}.material-detail-preview-line{height:4px;background:var(--peach-light);border-radius:2px}.material-detail-preview-line:nth-child(2){width:80%}.material-detail-preview-line:nth-child(3){width:60%}.material-detail-badges{position:absolute;top:1.5rem;left:1.5rem;display:flex;gap:.5rem;align-items:center;flex-wrap:wrap}.material-detail-badge--difficulty{background:#fffbf9;color:var(--peach-dark);border:1px solid var(--sky)}.material-detail-badge--bw{background:#e5e7eb;color:#374151}.material-detail-preview .save-material-btn{position:absolute;top:1.5rem;right:1.5rem}.material-detail-preview .save-material-btn svg{width:18px;height:18px}.material-detail-content{padding:3rem;display:flex;flex-direction:column}.material-detail-content h2{font-size:1.5rem;font-weight:700;color:var(--text-dark);margin-bottom:1.5rem}.material-detail-description-block{margin-bottom:2rem}.material-detail-description-block h3{font-size:.875rem;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em;margin-bottom:.75rem}.material-detail-description-block p{color:var(--text-dark);line-height:1.7}.material-detail-meta-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1.5rem;margin-bottom:2.5rem}.material-detail-meta-item .meta-label{font-size:.8125rem;color:var(--text-muted);margin-bottom:.25rem}.material-detail-meta-item .meta-value{font-weight:600;color:var(--text-dark);display:flex;align-items:center;gap:.5rem}.material-detail-meta-item .meta-value svg{width:18px;height:18px;color:var(--primary);flex-shrink:0}.material-detail-download-wrap{margin-top:auto}.download-actions{display:flex;flex-direction:column;gap:1rem}.download-buttons{display:flex;gap:.75rem;flex-wrap:wrap}.download-buttons--two{display:grid;grid-template-columns:1fr 1fr;gap:.75rem}.download-buttons--two .download-material-btn{width:100%;min-width:0}.download-material-btn{justify-content:center;min-height:56px;height:auto;font-size:1.125rem;border-radius:12px;display:flex;align-items:center;gap:.75rem;white-space:nowrap}.download-material-btn svg{width:24px;height:24px;flex-shrink:0}.download-btn-label-short{display:none}.download-btn-label-full{display:inline}.download-material-btn--full{width:100%}.material-show-page .download-material-btn.btn-primary{background:linear-gradient(90deg,#ff8162,#ff9e85);border:none;color:#fff}.material-show-page .download-material-btn.btn-primary:hover{background:linear-gradient(90deg,#f07552,#ff8e72);box-shadow:0 4px 14px 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