.login-screen{position:fixed;top:0;right:0;bottom:0;left:0;z-index:200;background:var(--bg);display:flex;align-items:center;justify-content:center;padding:1.5rem;overflow-y:auto;transition:background-color .3s}.login-card{width:100%;max-width:25rem;background:var(--surface-low);border:1px solid var(--outline-var);border-radius:var(--r-lg);padding:2rem;box-shadow:var(--shadow-lg)}.login-brand{display:flex;align-items:center;justify-content:center;gap:.5rem;font-size:1.5rem;font-weight:700;color:var(--primary);margin-bottom:.375rem}.login-brand .material-symbols-outlined{font-size:1.75rem}.login-welcome{text-align:center;font-size:.875rem;color:var(--on-surface-var);margin-bottom:1.5rem}.login-tabs{display:flex;background:var(--surface-mid);border-radius:var(--r-md);padding:.25rem;margin-bottom:1.5rem;gap:.25rem}.login-tab{flex:1;padding:.5rem;border-radius:calc(var(--r-md) - 2px);font-size:.875rem;font-weight:600;color:var(--on-surface-var);transition:all var(--ease)}.login-tab.tab-active{background:var(--surface-low);color:var(--on-surface);box-shadow:var(--shadow-sm)}.auth-form{display:flex;flex-direction:column;gap:.875rem}.form-group{display:flex;flex-direction:column;gap:.35rem}.form-group label{font-size:.875rem;font-weight:600;color:var(--on-surface)}.form-group input{padding:.625rem .875rem;border:1px solid var(--outline-var);border-radius:var(--r-md);background:var(--bg);color:var(--on-surface);font-size:.9375rem;font-family:inherit;outline:none;transition:border-color var(--ease),box-shadow var(--ease),background-color .3s}.form-group input:focus{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-soft)}.form-group input::placeholder{color:var(--outline)}.form-group select{padding:.625rem .875rem;border:1px solid var(--outline-var);border-radius:var(--r-md);background:var(--bg);color:var(--on-surface);font-size:.9375rem;font-family:inherit;outline:none;cursor:pointer;transition:border-color var(--ease),box-shadow var(--ease),background-color .3s}.form-group select:focus{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-soft)}.form-msg{font-size:.8125rem;min-height:1rem;color:var(--error)}.form-msg.success{color:var(--secondary)}.btn-full{width:100%;justify-content:center;padding:.75rem;font-size:.9375rem}.form-footer{text-align:center;font-size:.8125rem;color:var(--on-surface-var)}.form-footer a{color:var(--primary);font-weight:600}.form-footer a:hover{text-decoration:underline}:root{--bg: #f8f9fa;--surface: #f8f9fa;--surface-low: #ffffff;--surface-mid: #edeeef;--surface-high: #e7e8e9;--surface-dim: #d9dadb;--on-surface: #191c1d;--on-surface-var: #464555;--primary: #3525cd;--on-primary: #ffffff;--primary-soft: rgba(53, 37, 205, .1);--primary-dim: #e2dfff;--secondary: #006a61;--on-secondary: #ffffff;--secondary-soft: rgba(0, 106, 97, .1);--secondary-dim: #86f2e4;--outline: #777587;--outline-var: #c7c4d8;--border: #c7c4d8;--error: #ba1a1a;--error-soft: rgba(186, 26, 26, .09);--success: #15803d;--warning: #b45309;--card-bg: #ffffff;--text-primary: #191c1d;--text-secondary: #464555;--radius: .75rem;--shadow-sm: 0 1px 3px rgba(0,0,0,.07);--shadow-md: 0 4px 14px rgba(0,0,0,.1);--shadow-lg: 0 10px 28px rgba(0,0,0,.13);--r-sm: .5rem;--r-md: .75rem;--r-lg: 1rem;--r-full: 9999px;--sidebar-w: 17rem;--topbar-h: 4rem;--bottomnav-h: 5rem;--ease: .2s ease}[data-theme=dark]{--bg: #111315;--surface: #191c1d;--surface-low: #1e2022;--surface-mid: #252729;--surface-high: #2d2f31;--surface-dim: #2a2c2e;--on-surface: #e2e4e5;--on-surface-var: #bbbdc0;--primary: #c3c0ff;--on-primary: #0f0069;--primary-soft: rgba(195, 192, 255, .13);--primary-dim: #2e257a;--secondary: #6bd8cb;--on-secondary: #00201d;--secondary-soft: rgba(107, 216, 203, .12);--secondary-dim: #004d46;--outline: #9b99a9;--outline-var: #46444f;--border: #46444f;--error: #ffb4ab;--error-soft: rgba(255, 180, 171, .1);--success: #4ade80;--warning: #fbbf24;--card-bg: #1e2022;--text-primary: #e2e4e5;--text-secondary: #bbbdc0;--radius: .75rem;--shadow-sm: 0 1px 3px rgba(0,0,0,.35);--shadow-md: 0 4px 14px rgba(0,0,0,.45);--shadow-lg: 0 10px 28px rgba(0,0,0,.55)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:var(--bg);color:var(--on-surface);min-height:100vh;line-height:1.5;-webkit-font-smoothing:antialiased;transition:background-color .3s,color .3s}img{display:block;max-width:100%;height:auto}a{text-decoration:none;color:inherit}button{cursor:pointer;border:none;background:none;font-family:inherit}ul{list-style:none}.material-symbols-outlined{font-variation-settings:"FILL" 0,"wght" 400,"GRAD" 0,"opsz" 24;font-size:1.25rem;display:inline-flex;align-items:center;vertical-align:middle;flex-shrink:0}.icon-filled{font-variation-settings:"FILL" 1,"wght" 400,"GRAD" 0,"opsz" 24}.sidebar{position:fixed;top:0;left:0;width:var(--sidebar-w);height:100vh;background:var(--surface-low);border-right:1px solid var(--outline-var);box-shadow:var(--shadow-sm);display:flex;flex-direction:column;padding:1.5rem 0;z-index:50;overflow-y:auto;overflow-x:hidden;transform:translate(-100%);transition:width .28s cubic-bezier(.4,0,.2,1),transform var(--ease),background-color .3s}.sidebar.open{transform:translate(0)}@media (min-width: 768px){.sidebar{transform:translate(0)}.sidebar.collapsed{width:4.5rem}.sidebar.collapsed~.main-wrapper{margin-left:4.5rem}}.sidebar-collapse-btn{display:none;margin-left:auto;flex-shrink:0;color:var(--on-surface-var);transition:transform .28s cubic-bezier(.4,0,.2,1)}@media (min-width: 768px){.sidebar-collapse-btn{display:flex}}.sidebar-header{display:flex;align-items:center;gap:.75rem;padding:0 1rem 0 1.25rem;margin-bottom:1.5rem;overflow:hidden}.sidebar-userinfo{flex:1;min-width:0;overflow:hidden;transition:opacity .2s,width .28s}.sidebar-avatar{width:3rem;height:3rem;border-radius:50%;overflow:hidden;background:var(--surface-dim);flex-shrink:0}.sidebar-avatar img{width:100%;height:100%;object-fit:cover}.sidebar-name{font-size:1rem;font-weight:700;color:var(--primary);white-space:nowrap}.sidebar-role{font-size:.75rem;color:var(--on-surface-var);white-space:nowrap}.sidebar-nav{display:flex;flex-direction:column;gap:.25rem;padding:0 .5rem;flex:1}.nav-item{display:flex;align-items:center;gap:.75rem;padding:.75rem 1rem;border-radius:var(--r-full);font-size:.875rem;font-weight:500;color:var(--on-surface-var);transition:background-color var(--ease),color var(--ease),padding .28s;position:relative;white-space:nowrap;overflow:hidden}.nav-item:hover{background:var(--surface-high);color:var(--on-surface)}.nav-item.active{background:var(--secondary-dim);color:var(--secondary);font-weight:700}[data-theme=dark] .nav-item.active{color:var(--on-surface)}.nav-label{flex-shrink:0}@media (min-width: 768px){.sidebar.collapsed .sidebar-collapse-btn{transform:rotate(180deg)}.sidebar.collapsed .sidebar-userinfo{opacity:0;width:0;pointer-events:none}.sidebar.collapsed .sidebar-collapse-btn{margin-left:0}.sidebar.collapsed .nav-label{opacity:0;width:0;overflow:hidden}.sidebar.collapsed .nav-item{justify-content:center;padding:.375rem .5rem;background:none;flex-direction:column;gap:0}.sidebar.collapsed .nav-item .material-symbols-outlined{width:3rem;height:2rem;display:flex;align-items:center;justify-content:center;border-radius:var(--r-full);font-size:1.35rem;transition:background-color var(--ease),color var(--ease)}.sidebar.collapsed .nav-item:hover .material-symbols-outlined{background:var(--surface-high);color:var(--on-surface)}.sidebar.collapsed .nav-item.active{color:var(--secondary)}.sidebar.collapsed .nav-item.active .material-symbols-outlined{background:var(--secondary-dim);color:var(--secondary)}.sidebar.collapsed .nav-item:after{content:attr(data-label);position:absolute;left:calc(100% + 10px);top:50%;transform:translateY(-50%);background:var(--surface-high);color:var(--on-surface);padding:6px 12px;border-radius:8px;font-size:.8rem;font-weight:600;white-space:nowrap;box-shadow:var(--shadow-md);pointer-events:none;opacity:0;transition:opacity .15s;z-index:200}.sidebar.collapsed .nav-item:hover:after{opacity:1}}.sidebar-overlay{display:none;position:fixed;top:0;right:0;bottom:0;left:0;background:#0000007a;z-index:49}.sidebar-overlay.visible{display:block}.main-wrapper{display:flex;flex-direction:column;min-height:100vh}@media (min-width: 768px){.main-wrapper{margin-left:var(--sidebar-w);transition:margin-left .28s cubic-bezier(.4,0,.2,1)}}.topbar{position:sticky;top:0;height:var(--topbar-h);background:var(--surface-low);border-bottom:1px solid var(--outline-var);box-shadow:var(--shadow-sm);display:flex;align-items:center;justify-content:space-between;padding:0 1rem;z-index:30;transition:background-color .3s,border-color .3s}@media (min-width: 768px){.topbar{padding:0 1.5rem}}.topbar-left{display:flex;align-items:center;gap:.5rem}.topbar-brand{display:flex;align-items:center;gap:.375rem;font-size:1.125rem;font-weight:700;color:var(--primary)}.topbar-right{display:flex;align-items:center;gap:.625rem}.menu-btn{display:none}@media (min-width: 768px){.menu-btn{display:flex}}.theme-btn{width:2.25rem;height:2.25rem;border-radius:50%;background:var(--surface-mid);color:var(--on-surface-var);display:flex;align-items:center;justify-content:center;transition:background var(--ease),color var(--ease)}.theme-btn:hover{background:var(--surface-high);color:var(--primary)}.user-avatar{width:2rem;height:2rem;border-radius:50%;overflow:hidden;background:var(--surface-dim);cursor:pointer}.user-avatar img{width:100%;height:100%;object-fit:cover}.main-content{flex:1;padding:1.25rem 1rem;padding-bottom:calc(var(--bottomnav-h) + 1rem);width:100%;max-width:80rem;margin:0 auto}@media (min-width: 768px){.main-content{padding:2rem 1.5rem}}.page{display:none}.page.active{display:block;animation:fadeUp .22s ease}@keyframes fadeUp{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}.bottom-nav{position:fixed;bottom:0;left:0;right:0;height:var(--bottomnav-h);background:var(--surface);border-top:1px solid var(--outline-var);box-shadow:0 -2px 8px #00000012;display:flex;align-items:center;justify-content:space-around;padding-bottom:env(safe-area-inset-bottom);z-index:40;transition:background-color .3s}@media (min-width: 768px){.bottom-nav{display:none}}.bnav-item{display:flex;flex-direction:column;align-items:center;gap:.2rem;padding:.375rem .75rem;border-radius:var(--r-md);font-size:.625rem;font-weight:600;letter-spacing:.04em;color:var(--on-surface-var);flex:1;transition:color var(--ease),background var(--ease)}.bnav-item:hover{color:var(--primary)}.bnav-item.active{color:var(--primary);background:var(--primary-soft)}.page-header{margin-bottom:1.75rem}.page-header h1,.page-title{font-size:clamp(1.5rem,4vw,2rem);font-weight:700;letter-spacing:-.01em;line-height:1.25}.page-header p,.page-subtitle{font-size:1rem;color:var(--on-surface-var);margin-top:.25rem}.cards-grid{display:grid;grid-template-columns:1fr;gap:1.25rem}@media (min-width: 540px){.cards-grid{grid-template-columns:repeat(2,1fr)}}@media (min-width: 1024px){.cards-grid{grid-template-columns:repeat(3,1fr)}}.card{background:var(--surface-low);border:1px solid var(--outline-var);border-radius:var(--r-lg);box-shadow:var(--shadow-sm);overflow:hidden;display:flex;flex-direction:column;cursor:pointer;transition:box-shadow .3s,transform .3s,background-color .3s}.card:hover{box-shadow:var(--shadow-lg);transform:translateY(-2px)}.card:focus-visible{outline:2px solid var(--primary);outline-offset:2px}.card-done{opacity:.82}.card-done:hover{opacity:1}.card-img{aspect-ratio:16 / 9;overflow:hidden;position:relative;background:var(--surface-dim)}.card-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}.card:hover .card-img img{transform:scale(1.05)}.card-done-overlay{position:absolute;top:.5rem;right:.5rem;z-index:2;background:#00000073;border-radius:50%;width:2rem;height:2rem;display:flex;align-items:center;justify-content:center}.card-done-overlay .material-symbols-outlined{color:#6bd8cb;font-size:1.75rem}.card-dim{position:absolute;top:0;right:0;bottom:0;left:0;background:#0000006b;z-index:1}.card-play-overlay{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;z-index:2;opacity:0;transition:opacity .3s}.card:hover .card-play-overlay{opacity:1}.card-play-circle{width:3rem;height:3rem;background:var(--surface-low);border-radius:50%;display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-md);color:var(--primary)}.card-body{padding:1.125rem;display:flex;flex-direction:column;flex:1}.card-meta{display:flex;align-items:center;justify-content:space-between;margin-bottom:.5rem;flex-wrap:wrap;gap:.375rem}.card-pct{font-size:.75rem;color:var(--on-surface-var)}.card-pct.done{color:var(--secondary);font-weight:700}.card-title{font-size:1rem;font-weight:600;margin-bottom:.375rem;line-height:1.4;transition:color var(--ease)}.card:hover .card-title{color:var(--primary)}.card-desc{font-size:.875rem;color:var(--on-surface-var);line-height:1.5;margin-bottom:.875rem;flex:1;display:-webkit-box;-webkit-line-clamp:2;line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.progress-bar{width:100%;height:6px;background:var(--surface-high);border-radius:var(--r-full);overflow:hidden}.progress-fill{height:100%;background:var(--primary);border-radius:var(--r-full);transition:width .6s ease}.progress-fill.done{background:var(--secondary)}.badge{display:inline-flex;align-items:center;gap:.2rem;padding:.2rem .55rem;border-radius:var(--r-full);font-size:.72rem;font-weight:600}.badge .material-symbols-outlined{font-size:.85rem}.badge-progress{background:var(--primary-soft);color:var(--primary)}.badge-locked{background:var(--surface-dim);color:var(--on-surface-var)}.badge-done,.badge-tag{background:var(--secondary-soft);color:var(--secondary)}.badge-neutral{background:var(--surface-mid);color:var(--on-surface-var);padding:.2rem .55rem;border-radius:var(--r-full);font-size:.72rem;font-weight:600}.sala-subheader{display:flex;align-items:center;justify-content:space-between;padding:.75rem 0;margin-bottom:1.25rem;border-bottom:1px solid var(--outline-var)}.sala-module-title{font-size:.9375rem;font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:55%;text-align:center}.btn-back{display:flex;align-items:center;gap:.375rem;font-size:.875rem;font-weight:500;color:var(--on-surface-var);padding:.375rem .5rem;border-radius:var(--r-sm);transition:color var(--ease),background var(--ease)}.btn-back:hover{color:var(--primary);background:var(--surface-mid)}.back-label{display:none}@media (min-width: 540px){.back-label{display:inline}}.sala-layout{display:grid;grid-template-columns:1fr;gap:1.25rem}@media (min-width: 1024px){.sala-layout{grid-template-columns:1fr 19rem}}.sala-main{display:flex;flex-direction:column;gap:1.25rem}.sala-sidebar{display:flex;flex-direction:column;gap:1rem}.sala-youtube-frame{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;border:none;z-index:2}.video-player{position:relative;width:100%;aspect-ratio:16/9;background:#0d0e10;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow-md);cursor:pointer}.video-bg{position:absolute;top:0;right:0;bottom:0;left:0;background-size:cover;background-position:center;opacity:.72;transition:transform .7s ease}.video-player:hover .video-bg{transform:scale(1.04)}.video-grad{position:absolute;top:0;right:0;bottom:0;left:0;background:linear-gradient(to top,rgba(0,0,0,.65),transparent 50%);z-index:1}.video-play-btn{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;z-index:2}.video-play-btn .material-symbols-outlined{font-size:2.75rem;width:4.5rem;height:4.5rem;background:#ffffff2e;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;border:1px solid rgba(255,255,255,.28);box-shadow:var(--shadow-lg);transition:background var(--ease),transform var(--ease);font-variation-settings:"FILL" 1,"wght" 400,"GRAD" 0,"opsz" 24}.video-player:hover .video-play-btn .material-symbols-outlined{background:#3525cdd9;transform:scale(1.1)}.video-controls{position:absolute;bottom:0;left:0;right:0;padding:.6rem .875rem;display:flex;align-items:center;gap:.5rem;color:#fff;font-size:.75rem;background:linear-gradient(to top,rgba(0,0,0,.82),transparent);z-index:3;opacity:0;transition:opacity .3s}.video-player:hover .video-controls{opacity:1}.video-controls .material-symbols-outlined{font-size:1rem;color:#fff}.video-seekbar{flex:1;height:3px;background:#ffffff40;border-radius:var(--r-full);position:relative}.video-seek-fill{width:33%;height:100%;background:var(--primary);border-radius:var(--r-full);position:relative}.video-seek-fill:after{content:"";position:absolute;right:-4px;top:50%;transform:translateY(-50%);width:9px;height:9px;background:#fff;border-radius:50%}.video-time{white-space:nowrap;opacity:.9}.surface-card{background:var(--surface-low);border:1px solid var(--outline-var);border-radius:var(--r-lg);padding:1.125rem;box-shadow:var(--shadow-sm);transition:background-color .3s,border-color .3s}.lesson-tags{display:flex;gap:.5rem;flex-wrap:wrap;margin-bottom:.75rem}.lesson-title{font-size:clamp(1.2rem,2.5vw,1.6rem);font-weight:700;letter-spacing:-.01em;margin-bottom:.5rem}.lesson-desc{font-size:.9375rem;color:var(--on-surface-var);line-height:1.65}.quiz-card{position:relative;overflow:hidden}.quiz-stripe{position:absolute;top:0;left:0;width:4px;height:100%;background:var(--primary)}.quiz-header{display:flex;align-items:flex-start;gap:.75rem;margin-bottom:1.125rem;padding-left:.75rem}.quiz-icon-wrap{width:2.25rem;height:2.25rem;border-radius:50%;background:var(--primary-soft);display:flex;align-items:center;justify-content:center;color:var(--primary);flex-shrink:0}.quiz-heading{font-size:1.0625rem;font-weight:600}.quiz-sub{font-size:.75rem;color:var(--on-surface-var)}.quiz-counter{display:inline-block;margin-top:.25rem;font-size:.7rem;font-weight:600;color:var(--primary);background:var(--primary-soft);padding:.1rem .5rem;border-radius:var(--r-full)}.quiz-body{padding-left:.75rem}.quiz-question{font-size:.9375rem;font-weight:600;line-height:1.5;margin-bottom:.875rem}.quiz-options{display:flex;flex-direction:column;gap:.5rem}.quiz-opt{display:flex;align-items:flex-start;gap:.75rem;padding:.8rem .875rem;border-radius:var(--r-md);border:1px solid var(--outline-var);cursor:pointer;transition:border-color var(--ease),background var(--ease)}.quiz-opt:hover{border-color:var(--primary);background:var(--primary-soft)}.quiz-opt input[type=radio]{margin-top:3px;accent-color:var(--primary);flex-shrink:0}.quiz-opt span{font-size:.9375rem;line-height:1.5}.quiz-opt.correct{border-color:var(--secondary);background:var(--secondary-soft)}.quiz-opt.correct span{color:var(--secondary);font-weight:600}.quiz-opt.wrong{border-color:var(--error);background:var(--error-soft)}.quiz-opt.wrong span{color:var(--error)}.quiz-opt.disabled{pointer-events:none}.quiz-option{display:flex;align-items:flex-start;gap:.75rem;padding:.75rem 1rem;border-radius:var(--r-md);border:1.5px solid var(--border);cursor:pointer;transition:border-color var(--ease),background var(--ease)}.quiz-option:hover{border-color:var(--primary);background:var(--primary-soft)}.quiz-option input[type=radio]{margin-top:.2rem;accent-color:var(--primary);flex-shrink:0}.quiz-option span{font-size:.9375rem;line-height:1.5}.quiz-option.correct{border-color:var(--secondary);background:var(--secondary-soft)}.quiz-option.correct span{color:var(--secondary);font-weight:600}.quiz-option.wrong{border-color:var(--error);background:var(--error-soft)}.quiz-option.wrong span{color:var(--error)}.quiz-feedback{margin-top:.75rem;padding:.625rem .875rem;border-radius:var(--r-md);font-size:.875rem;font-weight:500;display:none}.quiz-feedback.ok{display:block;background:var(--secondary-soft);color:var(--secondary)}.quiz-feedback.err{display:block;background:var(--error-soft);color:var(--error)}.quiz-actions{margin-top:1rem;display:flex;justify-content:flex-end}.btn-primary{display:inline-flex;align-items:center;gap:.375rem;background:var(--primary);color:var(--on-primary);padding:.6rem 1.2rem;border-radius:var(--r-md);font-size:.875rem;font-weight:600;letter-spacing:.03em;box-shadow:var(--shadow-sm);transition:opacity var(--ease),box-shadow var(--ease),transform var(--ease)}.btn-primary:hover{opacity:.88;box-shadow:var(--shadow-md)}.btn-primary:active{transform:scale(.97)}.btn-secondary{display:inline-flex;align-items:center;gap:.375rem;padding:.6rem 1.2rem;border-radius:var(--r-md);border:2px solid var(--secondary);background:transparent;color:var(--secondary);font-size:.875rem;font-weight:600;letter-spacing:.03em;transition:background var(--ease)}.btn-secondary:hover{background:var(--secondary-soft)}.btn-sm{padding:.45rem .9rem;font-size:.8125rem}.foto-upload-wrap{display:flex;align-items:center;gap:1rem}.foto-preview-circle{width:4.5rem;height:4.5rem;border-radius:50%;background:var(--surface-high);display:flex;align-items:center;justify-content:center;overflow:hidden;flex-shrink:0;border:2px solid var(--outline-var)}.foto-preview-circle img{width:100%;height:100%;object-fit:cover}.foto-preview-circle .material-symbols-outlined{font-size:2rem;color:var(--outline)}.foto-upload-side{display:flex;flex-direction:column;gap:.4rem}.foto-upload-btn{cursor:pointer}.foto-upload-hint{font-size:.75rem;color:var(--outline)}.btn-outline{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;width:100%;padding:.7rem 1rem;border-radius:var(--r-md);border:1px solid var(--outline-var);background:var(--surface-low);color:var(--primary);font-size:.875rem;font-weight:600;transition:border-color var(--ease),background var(--ease)}.btn-outline:hover{border-color:var(--primary);background:var(--primary-soft)}.btn-outline .material-symbols-outlined{transition:transform var(--ease)}.btn-outline:hover .material-symbols-outlined{transform:translate(4px)}.btn-icon{width:2rem;height:2rem;border-radius:50%;display:flex;align-items:center;justify-content:center;color:var(--on-surface-var);transition:background var(--ease),color var(--ease)}.btn-icon:hover{background:var(--surface-mid);color:var(--primary)}.btn-danger:hover{background:var(--error-soft);color:var(--error)}.sidebar-label{font-size:.6875rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--on-surface-var);margin-bottom:.875rem}.grade-card{display:flex;flex-direction:column;align-items:center;text-align:center}.grade-chart-wrap{position:relative;width:10rem;height:10rem;display:flex;align-items:center;justify-content:center;margin-bottom:.75rem}.grade-chart-wrap svg{position:absolute;top:0;left:0}.grade-track{stroke:var(--surface-high)}.grade-arc{stroke:var(--secondary)}.grade-center{display:flex;flex-direction:column;align-items:center}.grade-value{font-size:2.5rem;font-weight:700;line-height:1}.grade-label-sm{font-size:.75rem;color:var(--on-surface-var);margin-top:.25rem}.grade-status{width:100%;background:var(--surface-mid);border-radius:var(--r-md);padding:.625rem .875rem;border:1px solid var(--outline-var);display:flex;justify-content:space-between;align-items:center}.grade-left{display:flex;align-items:center;gap:.375rem;font-size:.875rem}.grade-left .material-symbols-outlined{color:var(--secondary)}.grade-right{font-size:.875rem;font-weight:600;color:var(--secondary)}.next-title{font-size:1rem;font-weight:600;margin-bottom:.375rem}.next-desc{font-size:.8125rem;color:var(--on-surface-var);line-height:1.55;margin-bottom:.875rem;display:-webkit-box;-webkit-line-clamp:2;line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.module-list{display:flex;flex-direction:column;gap:.2rem}.module-item{display:flex;align-items:center;gap:.5rem;padding:.5rem .375rem;border-radius:var(--r-md);font-size:.875rem;color:var(--on-surface-var);cursor:pointer;transition:background var(--ease)}.module-item:hover{background:var(--surface-mid)}.item-done .material-symbols-outlined{color:var(--secondary)}.item-current{background:var(--primary-soft);color:var(--primary);font-weight:600}.item-current .material-symbols-outlined{color:var(--primary)}.item-locked{opacity:.42;cursor:not-allowed}.item-locked:hover{background:transparent}.pulse-dot{width:7px;height:7px;border-radius:50%;background:var(--primary);margin-left:auto;animation:pulse 1.8s infinite}@keyframes pulse{0%,to{opacity:1;transform:scale(1)}50%{opacity:.45;transform:scale(.75)}}.admin-header{display:flex;flex-direction:column;gap:1rem;margin-bottom:1.5rem}@media (min-width: 540px){.admin-header{flex-direction:row;align-items:flex-start;justify-content:space-between}}.admin-actions{display:flex;gap:.75rem;flex-wrap:wrap}.section-heading{font-size:1.0625rem;font-weight:600;margin-bottom:.875rem}.content-list{display:flex;flex-direction:column;gap:.75rem}.content-item{display:flex;flex-direction:column;gap:.875rem;transition:box-shadow .3s,transform .3s}.content-item:hover{box-shadow:var(--shadow-md);transform:translateY(-1px);cursor:pointer}@media (min-width: 540px){.content-item{flex-direction:row;align-items:center}}.content-thumb{width:100%;height:7.5rem;border-radius:var(--r-md);overflow:hidden;background:var(--surface-mid);position:relative;flex-shrink:0}@media (min-width: 540px){.content-thumb{width:8rem;height:5rem}}.content-thumb img{width:100%;height:100%;object-fit:cover}.thumb-overlay{position:absolute;top:0;right:0;bottom:0;left:0;background:#00000047;display:flex;align-items:center;justify-content:center}.thumb-overlay .material-symbols-outlined{color:#fff;font-size:1.75rem}.thumb-quiz{display:flex;align-items:center;justify-content:center;background:var(--primary-soft)}.thumb-quiz .material-symbols-outlined{color:var(--primary);font-size:1.875rem}.content-info{flex:1;min-width:0}.content-type-badge{display:inline-flex;align-items:center;gap:.2rem;font-size:.6875rem;font-weight:700;letter-spacing:.05em;text-transform:uppercase;color:var(--primary);background:var(--primary-soft);padding:.15rem .45rem;border-radius:var(--r-full);margin-bottom:.3rem}.badge-quiz-type{color:var(--secondary);background:var(--secondary-soft)}.content-type-badge .material-symbols-outlined{font-size:.8rem}.content-info h4{font-size:.9375rem;font-weight:600;margin-bottom:.2rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.content-info p{font-size:.8125rem;color:var(--on-surface-var);margin-bottom:.4rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.content-meta{display:flex;gap:.75rem;flex-wrap:wrap}.content-meta span{display:inline-flex;align-items:center;gap:.2rem;font-size:.75rem;color:var(--on-surface-var)}.content-meta .material-symbols-outlined{font-size:.875rem}.content-actions{display:flex;gap:.25rem;align-self:flex-start;flex-shrink:0}@media (min-width: 540px){.content-actions{align-self:center}}.perfil-layout{display:grid;grid-template-columns:1fr;gap:1.25rem}@media (min-width: 1024px){.perfil-layout{grid-template-columns:1fr 18rem;align-items:start}}.perfil-main{display:flex;flex-direction:column;gap:1.5rem}.perfil-sidebar{display:flex;flex-direction:column;gap:1rem}.perfil-hero{display:flex;flex-direction:column;align-items:center;gap:1.125rem;text-align:center;position:relative;overflow:hidden}@media (min-width: 600px){.perfil-hero{flex-direction:row;text-align:left;align-items:flex-start}}.perfil-hero-glow{position:absolute;top:0;right:0;width:14rem;height:14rem;background:var(--primary);opacity:.05;border-radius:50%;transform:translate(30%,-40%);pointer-events:none}.perfil-avatar-wrap{width:8rem;height:8rem;border-radius:50%;overflow:hidden;border:3px solid var(--surface);box-shadow:var(--shadow-md);flex-shrink:0;z-index:1}.perfil-avatar-wrap img{width:100%;height:100%;object-fit:cover}.perfil-info{z-index:1}.perfil-name{font-size:clamp(1.4rem,3vw,1.875rem);font-weight:700;letter-spacing:-.01em;margin-bottom:.25rem}.perfil-role{font-size:1rem;color:var(--on-surface-var);margin-bottom:.75rem}.perfil-tags{display:flex;flex-wrap:wrap;gap:.5rem;justify-content:center}@media (min-width: 600px){.perfil-tags{justify-content:flex-start}}.stats-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:.875rem}@media (min-width: 640px){.stats-grid{grid-template-columns:repeat(3,1fr)}}.stat-card{display:flex;flex-direction:column;align-items:center;text-align:center;padding:1.125rem .875rem;gap:.375rem;transition:box-shadow .3s,transform .3s}.stat-card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}.stat-wide{grid-column:span 2}@media (min-width: 640px){.stat-wide{grid-column:span 1}}.stat-icon{width:3rem;height:3rem;border-radius:50%;display:flex;align-items:center;justify-content:center;margin-bottom:.25rem}.stat-icon-primary{background:var(--primary-soft);color:var(--primary)}.stat-icon-secondary{background:var(--secondary-soft);color:var(--secondary)}.stat-icon-tertiary{background:#7e300014;color:#7e3000}[data-theme=dark] .stat-icon-tertiary{background:#ffb4961a;color:#ffb695}.stat-value{font-size:2.5rem;font-weight:700;line-height:1;letter-spacing:-.02em}.stat-primary{color:var(--primary)}.stat-secondary{color:var(--secondary)}.stat-tertiary{color:#7e3000}[data-theme=dark] .stat-tertiary{color:#ffb695}.stat-label{font-size:.75rem;font-weight:600;letter-spacing:.04em;color:var(--on-surface-var)}.achievements-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:.875rem}.link-btn{font-size:.875rem;font-weight:600;color:var(--primary);background:none;cursor:pointer}.link-btn:hover{text-decoration:underline}.achievements-counter{font-size:.75rem;font-weight:600;color:var(--on-surface-var);background:var(--surface-high);border-radius:999px;padding:.2rem .65rem;border:1px solid var(--outline-var)}.achievements-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:.75rem}@media (min-width: 600px){.achievements-grid{grid-template-columns:repeat(3,1fr)}}.ach-card{border-radius:var(--r-lg);border:1.5px solid var(--outline-var);background:var(--card-bg);padding:1rem .75rem .875rem;display:flex;flex-direction:column;align-items:center;gap:.6rem;text-align:center;transition:transform .25s,box-shadow .25s;position:relative;overflow:hidden}.ach-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md)}.ach-badge{width:3.75rem;height:3.75rem;border-radius:50%;display:flex;align-items:center;justify-content:center;position:relative;z-index:1}.ach-badge .material-symbols-outlined{font-size:2rem;font-variation-settings:"FILL" 1,"wght" 500,"GRAD" 0,"opsz" 48;color:#fff}.ach-badge.locked .material-symbols-outlined{color:var(--outline)}.ach-card.gold{border-color:#f59e0b;background:linear-gradient(160deg,#fffbeb 0%,var(--card-bg) 60%)}.ach-card.silver{border-color:#94a3b8;background:linear-gradient(160deg,#f1f5f9 0%,var(--card-bg) 60%)}.ach-card.bronze{border-color:#b45309;background:linear-gradient(160deg,#fef3c7 0%,var(--card-bg) 60%)}.ach-card.started{border-color:var(--primary)}.ach-badge.gold{background:radial-gradient(circle at 40% 35%,#fde68a,#f59e0b);box-shadow:0 0 0 4px #fef3c7,0 0 16px #f59e0b66}.ach-badge.silver{background:radial-gradient(circle at 40% 35%,#e2e8f0,#94a3b8);box-shadow:0 0 0 4px #f1f5f9,0 0 12px #94a3b855}.ach-badge.bronze{background:radial-gradient(circle at 40% 35%,#fcd34d,#b45309);box-shadow:0 0 0 4px #fef3c7,0 0 12px #b4530944}.ach-badge.started{background:radial-gradient(circle at 40% 35%,#ddd6fe,var(--primary));box-shadow:0 0 0 4px #ede9fe,0 0 12px #818cf844}.ach-badge.locked{background:var(--surface-high);box-shadow:none;filter:grayscale(1);opacity:.55}@keyframes achGlow{0%,to{box-shadow:0 0 0 4px #fef3c7,0 0 16px #f59e0b66}50%{box-shadow:0 0 0 6px #fef3c7,0 0 28px #f59e0baa}}.ach-badge.gold{animation:achGlow 2.4s ease-in-out infinite}.ach-name{font-size:.78rem;font-weight:700;color:var(--text-primary);line-height:1.3;max-width:100%}.ach-card.locked .ach-name{color:var(--on-surface-var)}.ach-nota{font-size:.7rem;font-weight:800;padding:.15rem .55rem;border-radius:999px;letter-spacing:.02em}.ach-nota.gold{background:#fef3c7;color:#92400e}.ach-nota.silver{background:#f1f5f9;color:#475569}.ach-nota.bronze{background:#fef3c7;color:#92400e}.ach-nota.started{background:#ede9fe;color:#5b21b6}.ach-nota.none{background:var(--surface-high);color:var(--on-surface-var)}.ach-prog-wrap{width:100%}.ach-prog-label{display:flex;justify-content:space-between;font-size:.65rem;color:var(--on-surface-var);margin-bottom:.2rem}.ach-prog-bar{height:5px;border-radius:3px;background:var(--border);overflow:hidden}.ach-prog-fill{height:100%;border-radius:3px;transition:width .6s cubic-bezier(.4,0,.2,1)}.ach-prog-fill.gold{background:#f59e0b}.ach-prog-fill.silver{background:#94a3b8}.ach-prog-fill.bronze{background:#b45309}.ach-prog-fill.started{background:var(--primary)}.ach-prog-fill.locked{background:var(--outline-var)}.ach-card.special{border-color:#a855f7;background:linear-gradient(160deg,#faf5ff 0%,var(--card-bg) 60%);position:relative}.ach-card.special:before{content:"ESPECIAL";position:absolute;top:.45rem;right:.5rem;font-size:.55rem;font-weight:800;letter-spacing:.08em;color:#a855f7;opacity:.75}.ach-card.special.unlocked{border-color:#a855f7}.ach-card.special.unlocked:after{content:"";position:absolute;top:0;right:0;bottom:0;left:0;border-radius:inherit;background:linear-gradient(135deg,#f3e8ff44,transparent 60%);pointer-events:none}.ach-badge.special-unlocked{background:radial-gradient(circle at 40% 35%,#e9d5ff,#a855f7);box-shadow:0 0 0 4px #f3e8ff,0 0 16px #a855f766}.ach-badge.special-locked{background:var(--surface-high);filter:grayscale(1);opacity:.5}@keyframes specialGlow{0%,to{box-shadow:0 0 0 4px #f3e8ff,0 0 16px #a855f766}50%{box-shadow:0 0 0 6px #f3e8ff,0 0 28px #a855f7aa}}.ach-badge.special-unlocked{animation:specialGlow 2.6s ease-in-out infinite}.ach-nota.special{background:#f3e8ff;color:#6b21a8}.ach-prog-fill.special{background:#a855f7}.home-wrap{display:flex;flex-direction:column;gap:1.75rem;max-width:720px;margin:0 auto;padding-bottom:2rem}.home-hero{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:1.5rem;border-radius:var(--r-lg)}.home-greeting-sub{font-size:.8rem;color:var(--on-surface-var);margin-bottom:.2rem}.home-greeting-name{font-size:1.5rem;font-weight:800;color:var(--primary);margin-bottom:.25rem}.home-greeting-desc{font-size:.875rem;color:var(--on-surface-var)}.home-ring-wrap{position:relative;flex-shrink:0}.home-ring-track{stroke:var(--surface-high)}.home-ring-fill{stroke:var(--secondary);transition:stroke-dashoffset .8s cubic-bezier(.4,0,.2,1)}.home-ring-center{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;flex-direction:column;align-items:center;justify-content:center;font-size:.9rem;font-weight:800;color:var(--secondary);line-height:1.1}.home-ring-center small{font-size:.55rem;font-weight:500;color:var(--on-surface-var)}.home-continue-card{display:flex;align-items:center;gap:1rem;padding:1rem 1.25rem;border-radius:var(--r-lg);cursor:pointer;transition:box-shadow .2s,transform .2s}.home-continue-card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}.home-continue-thumb{width:4.5rem;height:3.25rem;border-radius:var(--r-md);object-fit:cover;flex-shrink:0;background:var(--surface-high);display:flex;align-items:center;justify-content:center;overflow:hidden}.home-continue-thumb img{width:100%;height:100%;object-fit:cover}.home-continue-info{flex:1;min-width:0}.home-continue-info h4{font-size:.9rem;font-weight:700;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.home-continue-info p{font-size:.75rem;color:var(--on-surface-var);margin-top:.15rem}.home-continue-btn{flex-shrink:0}.home-trilhas-grid{display:grid;grid-template-columns:1fr 1fr;gap:.75rem}@media (min-width: 540px){.home-trilhas-grid{grid-template-columns:repeat(3,1fr)}}.home-trilha-card{border-radius:var(--r-lg);border:1.5px solid var(--outline-var);background:var(--card-bg);padding:1rem;cursor:pointer;transition:box-shadow .2s,transform .2s,border-color .2s}.home-trilha-card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px);border-color:var(--primary)}.home-trilha-name{font-size:.8rem;font-weight:700;margin:.5rem 0 .4rem;line-height:1.3}.home-trilha-prog{font-size:.7rem;color:var(--on-surface-var);margin-bottom:.4rem}.home-rank-row{display:flex;align-items:center;gap:.75rem;padding:.75rem 1rem;border-bottom:1px solid var(--border)}.home-rank-row:last-child{border-bottom:none}.home-rank-num{font-size:1rem;width:1.75rem;text-align:center;flex-shrink:0}.home-rank-name{flex:1;font-size:.875rem;font-weight:600}.home-rank-nota{font-size:.8rem;font-weight:700;color:var(--secondary)}.home-rank-me{background:color-mix(in srgb,var(--primary) 8%,transparent);border-radius:8px}.home-rank-me .home-rank-name{color:var(--primary)}.home-continue-title{font-size:.9rem;font-weight:700;margin:.25rem 0 .2rem;line-height:1.3}.home-continue-desc{font-size:.775rem;color:var(--text-secondary);margin:0;overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;line-clamp:2;-webkit-box-orient:vertical}.home-trilha-icon{font-size:1.75rem;flex-shrink:0}.home-trilha-info{flex:1;min-width:0}.home-cert-card{display:flex;align-items:center;gap:1rem;flex-wrap:wrap;padding:1.25rem 1.5rem;border-radius:var(--r-lg);border:2px solid #f59e0b;background:linear-gradient(135deg,#fffbeb,var(--card-bg))}.home-cert-card>div{flex:1;min-width:0}.img-upload-area{display:flex;align-items:center;gap:.6rem;padding:.75rem 1rem;border:1.5px dashed var(--outline-var);border-radius:var(--r-md);cursor:pointer;color:var(--text-secondary);font-size:.875rem;transition:border-color var(--ease),background var(--ease)}.img-upload-area:hover{border-color:var(--primary);background:var(--primary-soft);color:var(--primary)}.img-upload-area .material-symbols-outlined{font-size:1.4rem;flex-shrink:0}.artigo-editor-wrap{min-height:260px;border:1px solid var(--outline-var);border-radius:var(--r-md);background:var(--bg);padding:.5rem .25rem;cursor:text;transition:border-color var(--ease)}.artigo-editor-wrap:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-soft)}.artigo-editor-wrap .ce-block__content,.artigo-editor-wrap .ce-toolbar__content{max-width:100%}.artigo-editor-wrap .codex-editor{padding:0}.artigo-render{line-height:1.8;color:var(--text-primary)}.artigo-render h1{font-size:1.6rem;font-weight:700;margin:1.5rem 0 .75rem}.artigo-render h2{font-size:1.3rem;font-weight:700;margin:1.5rem 0 .6rem}.artigo-render h3{font-size:1.1rem;font-weight:600;margin:1.25rem 0 .5rem}.artigo-render p{margin-bottom:1rem}.artigo-render ul,.artigo-render ol{padding-left:1.5rem;margin-bottom:1rem}.artigo-render li{margin-bottom:.35rem}.artigo-render img{max-width:100%;border-radius:var(--r-md);margin:1rem 0}.artigo-render figure{margin:1rem 0}.artigo-render figcaption{font-size:.8rem;color:var(--text-secondary);text-align:center;margin-top:.35rem}.artigo-render hr{border:none;border-top:2px solid var(--border);margin:1.5rem 0}.artigo-render mark{background:#fef08a;padding:.1em .2em;border-radius:3px}.artigo-render code{background:var(--surface-high);padding:.15em .4em;border-radius:4px;font-size:.875em;font-family:monospace}.settings-card{padding:0;overflow:hidden}.settings-header{padding:1rem 1.125rem;border-bottom:1px solid var(--outline-var)}.settings-header h3{font-size:1rem;font-weight:600}.settings-list{display:flex;flex-direction:column}.settings-item{display:flex;align-items:center;gap:.875rem;padding:.875rem 1.125rem;border-bottom:1px solid var(--outline-var);text-align:left;transition:background var(--ease)}.settings-item:last-child{border-bottom:none}.settings-item:hover{background:var(--surface-mid)}.settings-icon{color:var(--on-surface-var);transition:color var(--ease)}.settings-item:hover .settings-icon{color:var(--primary)}.settings-text{flex:1;display:flex;flex-direction:column;gap:.1rem}.settings-text span{font-size:.9375rem}.settings-text small{font-size:.75rem;color:var(--on-surface-var)}.settings-chevron{color:var(--outline);font-size:1.125rem}.settings-logout:hover{background:var(--error-soft)}.settings-logout .material-symbols-outlined,.settings-logout .settings-text span{color:var(--error)}::-webkit-scrollbar{width:5px;height:8px}::-webkit-scrollbar-track{background:var(--border);border-radius:4px}::-webkit-scrollbar-thumb{background:var(--primary);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--outline)}:focus-visible{outline:2px solid var(--primary);outline-offset:2px}::selection{background:var(--primary-soft);color:var(--primary)}.modal-overlay{display:none;position:fixed;top:0;right:0;bottom:0;left:0;z-index:100;background:#0000008c;align-items:center;justify-content:center;padding:1rem;overflow-y:auto}.modal-overlay.open{display:flex;animation:fadeIn .18s ease}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.app-toast{position:fixed;bottom:5rem;left:50%;transform:translate(-50%);background:var(--on-surface);color:var(--surface);border-radius:var(--r-lg);padding:.75rem 1.25rem;font-size:.875rem;font-weight:500;display:flex;align-items:center;gap:.5rem;box-shadow:var(--shadow-md);z-index:9999;white-space:nowrap;animation:toastIn .25s ease;max-width:90vw;white-space:normal;text-align:center}.app-toast.warning{background:#f59e0b;color:#fff}@keyframes toastIn{0%{opacity:0;transform:translate(-50%) translateY(12px)}to{opacity:1;transform:translate(-50%) translateY(0)}}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.pdf-spinner{width:52px;height:52px;border:4px solid rgba(255,255,255,.15);border-top-color:var(--primary);border-radius:50%;animation:spin .8s linear infinite}.modal-card{background:var(--surface-low);border:1px solid var(--outline-var);border-radius:var(--r-lg);width:100%;max-width:30rem;max-height:90vh;overflow-y:auto;box-shadow:var(--shadow-lg);animation:fadeUp .2s ease;flex-shrink:0}.modal-card-lg{max-width:42rem}.modal-header{display:flex;align-items:center;justify-content:space-between;padding:1.125rem 1.25rem;border-bottom:1px solid var(--outline-var);position:sticky;top:0;background:var(--surface-low);z-index:1}.modal-header h2{font-size:1.125rem;font-weight:700}.modal-footer{display:flex;justify-content:flex-end;gap:.75rem;padding:1rem 1.5rem;border-top:1px solid var(--outline-var)}.pdf-chips{display:flex;flex-wrap:wrap;gap:.5rem}.pdf-chip{display:inline-flex;align-items:center;gap:.35rem;padding:.45rem .875rem;border-radius:999px;border:1.5px solid var(--outline-var);background:var(--surface-high);color:var(--on-surface-var);font-size:.8rem;font-weight:500;cursor:pointer;transition:all var(--ease)}.pdf-chip .material-symbols-outlined{font-size:1rem}.pdf-chip:hover{border-color:var(--primary);color:var(--primary)}.pdf-chip.active{border-color:var(--primary);background:var(--primary-soft);color:var(--primary);font-weight:600}.modal-form{display:flex;flex-direction:column;gap:1rem;padding:1.25rem}.modal-form textarea,.modal-form select{width:100%;padding:.625rem .875rem;border:1px solid var(--outline-var);border-radius:var(--r-md);background:var(--bg);color:var(--on-surface);font-size:.9375rem;font-family:inherit;outline:none;transition:border-color var(--ease),box-shadow var(--ease),background-color .3s}.modal-form textarea{resize:vertical}.modal-form textarea:focus,.modal-form select:focus{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-soft)}.modal-form select{cursor:pointer}.modal-actions{display:flex;gap:.75rem;justify-content:flex-end;padding-top:.25rem}.modal-actions .btn-outline{width:auto;padding:.6rem 1.2rem}.yt-preview{margin-top:.5rem;border-radius:var(--r-md);overflow:hidden;aspect-ratio:16/9;background:var(--surface-mid);display:none}.yt-preview.show{display:block}.yt-preview iframe{width:100%;height:100%;border:none;display:block}.q-opts-grid,.q-row{display:grid;grid-template-columns:1fr 1fr;gap:.75rem}@media (max-width: 480px){.q-opts-grid,.q-row{grid-template-columns:1fr}}.opt-label{display:inline-flex;align-items:center;justify-content:center;width:1.5rem;height:1.5rem;border-radius:50%;font-size:.75rem;font-weight:700;margin-bottom:.2rem}.opt-a{background:var(--primary-soft);color:var(--primary)}.opt-b{background:var(--secondary-soft);color:var(--secondary)}.opt-c{background:#e66e001a;color:#c46000}.opt-d{background:var(--error-soft);color:var(--error)}[data-theme=dark] .opt-c{background:#ffa0501a;color:#ffa050}.correct-toggle{display:flex;gap:.5rem;margin-top:.25rem}.correct-btn{flex:1;padding:.5rem;border:2px solid var(--outline-var);border-radius:var(--r-md);font-size:.9375rem;font-weight:700;color:var(--on-surface-var);transition:all var(--ease)}.correct-btn:hover{border-color:var(--secondary);color:var(--secondary)}.correct-btn.selected{border-color:var(--secondary);background:var(--secondary-soft);color:var(--secondary)}.admin-tabs{display:flex;gap:.25rem;background:var(--surface-mid);border-radius:var(--r-md);padding:.25rem;margin-bottom:1.5rem;width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch;scrollbar-width:none}.admin-tabs::-webkit-scrollbar{display:none}.admin-tab{display:flex;align-items:center;gap:.375rem;padding:.5rem .75rem;border-radius:calc(var(--r-md) - 2px);font-size:.8rem;font-weight:600;color:var(--on-surface-var);transition:all var(--ease);white-space:nowrap;flex-shrink:0}@media (max-width: 900px){.admin-tabs{justify-content:flex-start;gap:.2rem}.admin-tab{flex-direction:column;gap:.1rem;padding:.5rem .65rem;min-width:58px;justify-content:center;align-items:center;font-size:.65rem}.admin-tab .material-symbols-outlined{font-size:1.2rem}}@media (max-width: 480px){.admin-tabs{flex-wrap:wrap;gap:.25rem;overflow-x:visible}.admin-tab{flex:1 1 calc(33.33% - .25rem);flex-direction:column;gap:.1rem;padding:.55rem .25rem;justify-content:center;align-items:center;font-size:.65rem;min-width:0}.admin-tab .material-symbols-outlined{font-size:1.2rem}}.admin-tab:hover{color:var(--on-surface)}.admin-tab.admin-tab-active{background:var(--surface-low);color:var(--primary);box-shadow:var(--shadow-sm)}.admin-tab .material-symbols-outlined{font-size:1rem}.admin-tab-pane{display:none}.admin-tab-pane.active{display:block;animation:fadeUp .18s ease}.tab-toolbar{display:flex;align-items:center;justify-content:space-between;margin-bottom:1rem;flex-wrap:wrap;gap:.75rem}.tab-count{font-size:.875rem;color:var(--on-surface-var);font-weight:500}.tab-filters{display:flex;gap:.5rem;flex-wrap:wrap;margin-bottom:1rem}.filter-select{padding:.4rem .75rem;border-radius:var(--r-md);border:1px solid var(--outline-var);background:var(--surface-low);color:var(--on-surface);font-size:.875rem;cursor:pointer;min-width:10rem}.filter-select:focus{outline:2px solid var(--primary);outline-offset:2px}.question-card{background:var(--surface-low);border:1px solid var(--outline-var);border-radius:var(--r-lg);padding:1.125rem;box-shadow:var(--shadow-sm);transition:box-shadow .3s,background-color .3s}.question-card:hover{box-shadow:var(--shadow-md)}.q-header{display:flex;align-items:flex-start;gap:.75rem;margin-bottom:.875rem}.q-meta{display:flex;align-items:center;gap:.4rem;flex-wrap:wrap;margin-bottom:.4rem}.q-text{font-size:.9375rem;font-weight:600;line-height:1.5}.q-actions{display:flex;gap:.25rem;flex-shrink:0}.q-opts-list{display:grid;grid-template-columns:1fr 1fr;gap:.375rem;margin-bottom:.75rem}@media (max-width: 540px){.q-opts-list{grid-template-columns:1fr}}.q-opt-chip{display:flex;align-items:center;gap:.5rem;padding:.4rem .625rem;border:1px solid var(--outline-var);border-radius:var(--r-md);font-size:.8125rem;line-height:1.4}.q-opt-chip.is-correct{border-color:var(--secondary);background:var(--secondary-soft)}.q-opt-chip.is-correct .opt-letter{background:var(--secondary);color:var(--on-secondary)}.opt-letter{width:1.25rem;height:1.25rem;border-radius:50%;background:var(--surface-high);font-size:.6875rem;font-weight:700;display:flex;align-items:center;justify-content:center;flex-shrink:0}.q-check-icon{margin-left:auto;color:var(--secondary);font-size:.875rem!important;flex-shrink:0}.q-justificativa{font-size:.8125rem;color:var(--on-surface-var);background:var(--surface-mid);border-radius:var(--r-md);padding:.5rem .75rem;border-left:3px solid var(--secondary);line-height:1.55}.videos-grid{display:grid;grid-template-columns:1fr;gap:1rem}@media (min-width: 540px){.videos-grid{grid-template-columns:repeat(2,1fr)}}@media (min-width: 1024px){.videos-grid{grid-template-columns:repeat(3,1fr)}}.video-admin-card{background:var(--surface-low);border:1px solid var(--outline-var);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow-sm);transition:box-shadow .3s,transform .3s}.video-admin-card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}.video-embed-wrap{width:100%;aspect-ratio:16/9;background:var(--surface-dim);overflow:hidden}.video-embed-wrap iframe{width:100%;height:100%;border:none;display:block}.video-embed-placeholder{width:100%;height:100%;display:flex;align-items:center;justify-content:center;background:var(--surface-mid);color:var(--on-surface-var)}.video-embed-placeholder .material-symbols-outlined{font-size:2.5rem;opacity:.4}.video-admin-info{padding:.875rem;display:flex;align-items:flex-start;justify-content:space-between;gap:.75rem}.video-admin-info h4{font-size:.9375rem;font-weight:600;margin-bottom:.2rem;line-height:1.4}.video-admin-info p{font-size:.8125rem;color:var(--on-surface-var);display:-webkit-box;-webkit-line-clamp:2;line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.video-admin-actions{display:flex;gap:.25rem;flex-shrink:0}.reports-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1rem}@media (min-width: 768px){.reports-grid{grid-template-columns:repeat(4,1fr)}}.report-card{background:var(--surface-low);border:1px solid var(--outline-var);border-radius:var(--r-lg);padding:1.25rem;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;gap:.25rem;transition:box-shadow .3s,transform .3s}.report-card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}.report-card-icon{width:2.5rem;height:2.5rem;border-radius:var(--r-md);display:flex;align-items:center;justify-content:center;margin-bottom:.375rem}.report-value{font-size:2rem;font-weight:700;line-height:1;letter-spacing:-.02em}.report-label{font-size:.75rem;color:var(--on-surface-var);font-weight:500}@media (max-width: 640px){.resp-table-wrap{-webkit-overflow-scrolling:touch}.resp-table{min-width:520px}.resp-table th,.resp-table td{padding:.35rem .4rem!important;font-size:.7rem!important}.resp-table th:not(:first-child){white-space:normal!important;word-break:normal;overflow-wrap:break-word;line-height:1.25;min-width:4rem}.resp-table th:first-child,.resp-table td:first-child{position:sticky;left:0;z-index:2;background:var(--surface-low);border-right:1px solid var(--border)}.resp-table thead th:first-child{background:var(--surface);z-index:3}.resp-table tbody tr:hover td:first-child{background:var(--surface)}.resp-bar{min-width:60px!important}}.admin-list-item{display:flex;align-items:center;gap:1rem;padding:1rem;background:var(--surface-low);border:1px solid var(--outline-var);border-radius:var(--r-lg);box-shadow:var(--shadow-sm);transition:box-shadow .3s,transform .3s,background-color .3s;position:relative}.admin-list-item:hover{box-shadow:var(--shadow-md);transform:translateY(-1px)}.drag-handle{color:var(--text-secondary);cursor:grab;font-size:1.4rem;flex-shrink:0;touch-action:none}.drag-handle:active{cursor:grabbing}.sortable-ghost{opacity:.4;background:var(--primary-soft)}.sortable-drag{box-shadow:var(--shadow-lg)}@media (max-width: 539px){.admin-list-item{flex-wrap:wrap;align-items:flex-start}}@media (min-width: 540px){.admin-list-item .ali-actions{opacity:0}.admin-list-item:hover .ali-actions{opacity:1}}.ali-thumb{width:9rem;height:5.0625rem;border-radius:var(--r-md);overflow:hidden;flex-shrink:0;position:relative;background:var(--surface-dim);display:flex;align-items:center;justify-content:center}@media (max-width: 539px){.ali-thumb{width:100%;height:8rem}.ali-thumb-quiz,.ali-thumb-video:not(:has(img)){height:3.5rem}}.ali-thumb img{width:100%;height:100%;object-fit:cover;display:block}.ali-play-overlay{position:absolute;top:0;right:0;bottom:0;left:0;background:#00000047;display:flex;align-items:center;justify-content:center;color:#fff}.ali-play-overlay .material-symbols-outlined{font-size:1.75rem}.ali-thumb-quiz{background:var(--primary-soft)}.ali-thumb-quiz .material-symbols-outlined{color:var(--primary);font-size:2rem}.ali-thumb-video .material-symbols-outlined{color:var(--on-surface-var);font-size:2rem;opacity:.4}.ali-info{flex:1;min-width:0}.ali-meta{display:flex;align-items:center;gap:.375rem;flex-wrap:wrap;margin-bottom:.375rem}.ali-extra{display:inline-flex;align-items:center;gap:.2rem;font-size:.75rem;color:var(--on-surface-var)}.ali-extra .material-symbols-outlined{font-size:.875rem}.ali-title{font-size:.9375rem;font-weight:600;margin-bottom:.2rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.ali-desc{font-size:.8125rem;color:var(--on-surface-var);display:-webkit-box;-webkit-line-clamp:2;line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.ali-opts-row{display:flex;flex-direction:column;gap:.2rem;margin-top:.375rem}.ali-opt-chip{display:flex;align-items:center;gap:.4rem;font-size:.8125rem;color:var(--on-surface-var);line-height:1.4}.ali-opt-chip .opt-letter{width:1.25rem;height:1.25rem;font-size:.6875rem;font-weight:700;flex-shrink:0}.ali-opt-correct{color:var(--secondary);font-weight:600}.ali-opt-correct .opt-letter{background:var(--secondary);color:var(--on-secondary)}.ali-justif{display:flex;align-items:flex-start;gap:.3rem;font-size:.75rem;color:var(--on-surface-var);margin-top:.375rem;font-style:italic;line-height:1.5}.ali-actions{display:flex;flex-direction:column;gap:.25rem;flex-shrink:0;align-self:center;transition:opacity var(--ease)}.list-empty{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:.75rem;padding:3rem 1rem;color:var(--on-surface-var);text-align:center}.list-empty .material-symbols-outlined{font-size:2.5rem;opacity:.35}.list-empty p{font-size:.9375rem}