:root{--primary: #4F8EF7;--primary-light: #EEF4FF;--primary-mid: #C2D9FF;--teal: #0DBFA3;--teal-light: #E6FAF7;--teal-mid: #99E6DC;--lavender: #8B75F5;--lavender-light: #F0EDFF;--lavender-mid: #CCC4FB;--amber: #F59E0B;--amber-light: #FEF9EC;--red: #EF4444;--red-light: #FEF2F2;--green: #10B981;--green-light: #ECFDF5;--bg: #F8FAFF;--surface: #FFFFFF;--surface2: #F3F6FB;--border: #E8EDF5;--border-hover: #C5D4F0;--text: #0F172A;--text2: #475569;--text3: #94A3B8;--shadow-sm: 0 2px 8px rgba(79,142,247,.08);--shadow-md: 0 4px 20px rgba(79,142,247,.12);--shadow-lg: 0 8px 40px rgba(79,142,247,.15);--radius-sm: 10px;--radius-md: 14px;--radius-lg: 20px;--radius-xl: 28px;--font: "Outfit", sans-serif;--font2: "Plus Jakarta Sans", sans-serif;--sidebar-w: 240px;--sidebar-collapsed: 68px;--transition: all .28s cubic-bezier(.4,0,.2,1)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-family:var(--font);font-size:15px;color:var(--text)}body{background:var(--bg);min-height:100vh;overflow-x:hidden}h1{font-size:2.4rem;font-weight:800;letter-spacing:-.03em}h2{font-size:1.7rem;font-weight:700;letter-spacing:-.02em}h3{font-size:1.2rem;font-weight:600}h4{font-size:1rem;font-weight:600}::-webkit-scrollbar{width:5px;height:5px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border-hover);border-radius:10px}@keyframes fadeIn{0%{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}@keyframes slideInLeft{0%{opacity:0;transform:translate(-24px)}to{opacity:1;transform:translate(0)}}@keyframes slideInRight{0%{opacity:0;transform:translate(24px)}to{opacity:1;transform:translate(0)}}@keyframes scaleIn{0%{opacity:0;transform:scale(.92)}to{opacity:1;transform:scale(1)}}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-8px)}}@keyframes pulse{0%,to{box-shadow:0 0 #4f8ef766}70%{box-shadow:0 0 0 10px #4f8ef700}}@keyframes spin{to{transform:rotate(360deg)}}@keyframes shimmer{0%{background-position:-400px 0}to{background-position:400px 0}}@keyframes bounceIn{0%{transform:scale(.3);opacity:0}50%{transform:scale(1.08)}to{transform:scale(1);opacity:1}}@keyframes heatmap-appear{0%{opacity:0;transform:scale(0)}to{opacity:1;transform:scale(1)}}@keyframes orbit{0%{transform:rotate(0) translate(40px) rotate(0)}to{transform:rotate(360deg) translate(40px) rotate(-360deg)}}@keyframes gradientShift{0%,to{background-position:0% 50%}50%{background-position:100% 50%}}@keyframes streak{0%{transform:translate(-100%)}to{transform:translate(200%)}}@keyframes chatBounce{0%,80%,to{transform:scale(0)}40%{transform:scale(1)}}.skeleton{background:linear-gradient(90deg,var(--surface2) 25%,#e8edf5 50%,var(--surface2) 75%);background-size:400px 100%;animation:shimmer 1.4s infinite;border-radius:var(--radius-sm)}.screen{display:none}.screen.active{display:flex}.btn{display:inline-flex;align-items:center;gap:8px;padding:10px 22px;border-radius:50px;font-family:var(--font);font-size:.9rem;font-weight:600;cursor:pointer;border:none;transition:var(--transition);text-decoration:none;white-space:nowrap}.btn-primary{background:var(--primary);color:#fff;box-shadow:0 4px 14px #4f8ef759}.btn-primary:hover{background:#3d7de8;transform:translateY(-1px);box-shadow:0 6px 20px #4f8ef773}.btn-ghost{background:transparent;color:var(--text2);border:1.5px solid var(--border)}.btn-ghost:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-light)}.btn-teal{background:var(--teal);color:#fff;box-shadow:0 4px 14px #0dbfa34d}.btn-teal:hover{background:#0aad92;transform:translateY(-1px)}.btn-lavender{background:var(--lavender);color:#fff;box-shadow:0 4px 14px #8b75f54d}.btn-lavender:hover{background:#7a65e8;transform:translateY(-1px)}.btn-danger{background:var(--red);color:#fff}.btn-danger:hover{background:#dc2626}.btn-sm{padding:6px 14px;font-size:.8rem}.btn-icon{padding:8px;border-radius:10px;background:var(--surface2);border:1px solid var(--border);color:var(--text2);cursor:pointer;transition:var(--transition);display:inline-flex;align-items:center;justify-content:center}.btn-icon:hover{background:var(--primary-light);color:var(--primary);border-color:var(--primary-mid)}.btn:active{transform:scale(.97)}.badge{display:inline-flex;align-items:center;gap:4px;padding:3px 10px;border-radius:50px;font-size:.72rem;font-weight:600}.badge-primary{background:var(--primary-light);color:var(--primary)}.badge-teal{background:var(--teal-light);color:#0a9080}.badge-lavender{background:var(--lavender-light);color:var(--lavender)}.badge-amber{background:var(--amber-light);color:#b45309}.badge-red{background:var(--red-light);color:var(--red)}.badge-green{background:var(--green-light);color:var(--green)}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:1.4rem;box-shadow:var(--shadow-sm);transition:var(--transition)}.card:hover{box-shadow:var(--shadow-md);border-color:var(--border-hover);transform:translateY(-2px)}.card-glass{background:#ffffffd9;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border:1px solid rgba(255,255,255,.6);border-radius:var(--radius-lg);box-shadow:0 8px 32px #4f8ef71a}.input-group{margin-bottom:1.1rem}.input-group label{display:block;font-size:.82rem;font-weight:600;color:var(--text2);margin-bottom:5px;text-transform:uppercase;letter-spacing:.05em}.input{width:100%;padding:10px 14px;border:1.5px solid var(--border);border-radius:var(--radius-sm);font-family:var(--font);font-size:.92rem;color:var(--text);background:var(--surface);transition:var(--transition);outline:none}.input:focus{border-color:var(--primary);box-shadow:0 0 0 3px #4f8ef71f}.select{width:100%;padding:10px 14px;border:1.5px solid var(--border);border-radius:var(--radius-sm);font-family:var(--font);font-size:.92rem;color:var(--text);background:var(--surface);cursor:pointer;outline:none;transition:var(--transition);appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2394A3B8' d='M6 8L1 3h10z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center}.select:focus{border-color:var(--primary);box-shadow:0 0 0 3px #4f8ef71f}.progress-bar{height:6px;background:var(--border);border-radius:10px;overflow:hidden}.progress-fill{height:100%;border-radius:10px;background:linear-gradient(90deg,var(--primary),var(--teal));transition:width .6s cubic-bezier(.4,0,.2,1)}.tag{display:inline-flex;align-items:center;gap:4px;padding:3px 10px;border-radius:50px;font-size:.75rem;font-weight:500;background:var(--surface2);color:var(--text2);border:1px solid var(--border)}.divider{border:none;border-top:1px solid var(--border);margin:1rem 0}[data-tip]{position:relative}[data-tip]:hover:after{content:attr(data-tip);position:absolute;bottom:calc(100% + 6px);left:50%;transform:translate(-50%);background:var(--text);color:#fff;font-size:.75rem;padding:4px 10px;border-radius:6px;white-space:nowrap;z-index:999;pointer-events:none}.modal-overlay{position:fixed;inset:0;background:#0f172a73;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);display:flex;align-items:center;justify-content:center;z-index:1000;opacity:0;transition:opacity .25s ease;pointer-events:none}.modal-overlay.open{opacity:1;pointer-events:all}.modal{background:var(--surface);border-radius:var(--radius-xl);padding:2rem;max-width:460px;width:90%;transform:scale(.92);transition:transform .28s cubic-bezier(.34,1.56,.64,1);box-shadow:0 24px 80px #00000026}.modal-overlay.open .modal{transform:scale(1)}#screen-landing{min-height:100vh;flex-direction:column;background:var(--bg);position:relative}.landing-header{display:flex;align-items:center;justify-content:space-between;padding:1.2rem 2.5rem;position:relative;z-index:1000;overflow:visible}.logo{display:flex;align-items:center;gap:10px;font-size:1.4rem;font-weight:800;letter-spacing:-.04em;color:var(--text)}.logo-icon{width:38px;height:38px;border-radius:13px;background:radial-gradient(circle at 70% 20%,rgba(255,255,255,.34),transparent 24%),linear-gradient(145deg,#2563eb,#0dbfa3 56%,#8b5cf6)!important;display:flex;align-items:center;justify-content:center;color:transparent!important;font-size:0!important;font-weight:800;position:relative;overflow:hidden;flex-shrink:0;box-shadow:inset 0 1px #ffffff5c,0 10px 22px #4f8ef733}.logo-icon:before{content:"";position:absolute;width:25px;height:17px;left:6px;top:13px;background:linear-gradient(90deg,transparent calc(50% - 1px),rgba(37,99,235,.22) calc(50% - 1px),rgba(37,99,235,.22) calc(50% + 1px),transparent calc(50% + 1px)),linear-gradient(#fff,#fff);clip-path:polygon(0 6%,46% 18%,50% 100%,54% 18%,100% 6%,100% 82%,54% 96%,50% 100%,46% 96%,0 82%);filter:drop-shadow(0 3px 5px rgba(15,23,42,.16))}.logo-icon:after{content:"";position:absolute;width:12px;height:12px;right:5px;top:6px;background:#fff;clip-path:polygon(50% 0,62% 36%,100% 50%,62% 64%,50% 100%,38% 64%,0 50%,38% 36%);filter:drop-shadow(0 2px 4px rgba(15,23,42,.16))}.landing-hero{flex:1;display:flex;align-items:center;justify-content:center;flex-direction:column;text-align:center;padding:2rem 1.5rem 3rem;position:relative;z-index:2}.landing-eyebrow{display:inline-flex;align-items:center;gap:8px;background:var(--primary-light);color:var(--primary);border:1px solid var(--primary-mid);border-radius:50px;padding:5px 14px;font-size:.8rem;font-weight:600;margin-bottom:1.4rem;animation:fadeIn .6s ease both}.landing-title{font-size:clamp(2.4rem,6vw,4rem);font-weight:800;letter-spacing:-.04em;line-height:1.1;animation:fadeIn .6s .1s ease both}.landing-title span{background:linear-gradient(135deg,var(--primary) 0%,var(--lavender) 50%,var(--teal) 100%);background-size:200% 200%;animation:gradientShift 4s ease infinite;-webkit-background-clip:text;-webkit-text-fill-color:transparent}.landing-sub{font-size:1.05rem;color:var(--text2);max-width:520px;line-height:1.7;margin:1rem auto 2.2rem;animation:fadeIn .6s .2s ease both}.role-cards{display:flex;gap:1rem;margin-bottom:1.8rem;animation:fadeIn .6s .3s ease both}.role-card{width:180px;padding:1.6rem 1.2rem;border-radius:var(--radius-lg);border:2px solid var(--border);background:var(--surface);cursor:pointer;transition:var(--transition);text-align:center;position:relative;overflow:hidden}.role-card:before{content:"";position:absolute;inset:0;opacity:0;transition:opacity .3s}.role-card.student:before{background:linear-gradient(135deg,#4f8ef70f,#8b75f50f)}.role-card.teacher:before{background:linear-gradient(135deg,#0dbfa30f,#4f8ef70f)}.role-card:hover:before{opacity:1}.role-card:hover{border-color:var(--primary);transform:translateY(-4px);box-shadow:var(--shadow-md)}.role-card.selected{border-color:var(--primary);background:var(--primary-light)}.role-card.selected .role-icon{background:var(--primary);color:#fff}.role-icon{width:52px;height:52px;border-radius:var(--radius-sm);background:var(--surface2);margin:0 auto .8rem;display:flex;align-items:center;justify-content:center;font-size:1.5rem;transition:var(--transition)}.icon-3d,.mini-icon-3d{position:relative;display:inline-flex;align-items:center;justify-content:center;color:#fff;isolation:isolate;overflow:hidden;background:linear-gradient(145deg,#74a8ff,#4f8ef7 48%,#7d6cf2);box-shadow:inset 0 2px 7px #ffffff73,inset 0 -8px 12px #0f172a2e,0 12px 24px #4f8ef747}.icon-3d:before,.mini-icon-3d:before{content:"";position:absolute;z-index:2}.icon-3d:after,.mini-icon-3d:after{content:"";position:absolute;inset:10% 14% auto;height:28%;border-radius:999px;background:#ffffff5c;filter:blur(1px)}.role-icon.icon-3d{border-radius:16px;font-size:.9rem;transform:rotateX(8deg) rotateY(-8deg)}.role-card:hover .role-icon.icon-3d{transform:rotateX(8deg) rotateY(-8deg) translateY(-2px) scale(1.04)}.role-card.selected .role-icon.icon-3d{background:linear-gradient(145deg,#74a8ff,#4f8ef7 48%,#7d6cf2)}.icon-student{background:linear-gradient(145deg,#74a8ff,#4f8ef7 52%,#0dbfa3)}.icon-student:before{width:36px;height:24px;top:17px;left:8px;background:linear-gradient(#fff,#fff) 26px 12px / 3px 14px no-repeat,radial-gradient(circle at 27px 27px,#fff 0 3px,transparent 4px),linear-gradient(150deg,transparent 0 16%,#fff 17% 83%,transparent 84%);clip-path:polygon(0 35%,50% 0,100% 35%,50% 70%);filter:drop-shadow(0 3px 4px rgba(15,23,42,.2))}.icon-student .unused{display:none}.icon-student:after{content:"";position:absolute;width:24px;height:8px;left:14px;top:34px;border-radius:0 0 12px 12px;background:#ffffffeb;filter:none}.icon-creator{background:linear-gradient(145deg,#9b8cff,#8b75f5 45%,#0dbfa3)}.icon-creator:before{width:28px;height:34px;left:13px;top:10px;border-radius:6px;background:linear-gradient(135deg,transparent 0 16%,rgba(79,142,247,.25) 17% 28%,transparent 29%) top right / 13px 13px no-repeat,linear-gradient(#fff,#fff);box-shadow:0 4px 7px #0f172a2e}.icon-creator:after{content:"";position:absolute;width:25px;height:7px;left:20px;top:31px;border-radius:999px;background:#fff;transform:rotate(-35deg);box-shadow:-9px 0 0 -2px #ffffffe6;filter:none}.icon-login:before{width:46%;height:34%;border-radius:5px;background:#fff;bottom:20%}.icon-login:after{content:"";position:absolute;width:40%;height:36%;top:15%;left:30%;border:3px solid rgba(255,255,255,.9);border-bottom:0;border-radius:16px 16px 0 0;background:transparent;filter:none}.mini-icon-3d{width:28px;height:28px;border-radius:9px;flex-shrink:0;font-size:.62rem;box-shadow:inset 0 1px 5px #ffffff6b,inset 0 -5px 8px #0f172a29,0 7px 14px #4f8ef738}.icon-admin{background:linear-gradient(145deg,#8b75f5,#4f8ef7)}.icon-subadmin{background:linear-gradient(145deg,#0dbfa3,#4f8ef7)}.icon-admin:before{width:16px;height:19px;top:5px;left:6px;background:#fff;clip-path:polygon(50% 0,88% 14%,88% 52%,50% 100%,12% 52%,12% 14%);filter:drop-shadow(0 2px 3px rgba(15,23,42,.2))}.icon-subadmin:before{width:15px;height:15px;top:5px;left:6px;background:radial-gradient(circle at 50% 28%,#fff 0 4px,transparent 4.5px),radial-gradient(ellipse at 50% 92%,#fff 0 8px,transparent 8.5px)}.professional-icon,.mini-professional-icon,.account-professional-icon{position:relative;display:inline-flex;align-items:center;justify-content:center;overflow:hidden;color:#fff;flex-shrink:0;box-shadow:inset 0 1px #ffffff57,0 10px 22px #4f8ef72e}.professional-icon:before,.mini-professional-icon:before,.account-professional-icon:before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 30% 18%,rgba(255,255,255,.32),transparent 34%);pointer-events:none}.professional-icon svg,.mini-professional-icon svg,.account-professional-icon svg{position:relative;z-index:1;width:62%;height:62%;stroke:currentColor;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}.role-icon.professional-icon{width:58px;height:58px;border-radius:18px;margin-bottom:.85rem;transform:none;transition:var(--transition)}.role-card:hover .role-icon.professional-icon{transform:translateY(-2px);box-shadow:inset 0 1px #ffffff61,0 14px 28px #4f8ef738}.student-professional-icon{background:linear-gradient(145deg,#3b82f6,#14b8a6)}.creator-professional-icon{background:linear-gradient(145deg,#8b5cf6,#22c55e)}.nav-login-icon{width:34px;height:34px;border-radius:12px;background:linear-gradient(145deg,#4f8ef7,#8b75f5);box-shadow:inset 0 1px #ffffff57,0 8px 16px #4f8ef733}.mini-professional-icon{width:28px;height:28px;border-radius:9px;box-shadow:inset 0 1px #ffffff52,0 6px 12px #0f172a1f}.admin-mini-icon{background:linear-gradient(145deg,#6366f1,#3b82f6)}.subadmin-mini-icon{background:linear-gradient(145deg,#14b8a6,#3b82f6)}.role-label{font-size:1rem;font-weight:700;margin-bottom:.2rem}.role-desc{font-size:.78rem;color:var(--text3)}.google-btn{display:flex;align-items:center;gap:10px;padding:12px 28px;border-radius:50px;background:var(--surface);border:1.5px solid var(--border);font-family:var(--font);font-size:.95rem;font-weight:600;cursor:pointer;transition:var(--transition);color:var(--text);box-shadow:var(--shadow-sm);animation:fadeIn .6s .4s ease both}.google-btn:hover{border-color:var(--primary-mid);box-shadow:var(--shadow-md);transform:translateY(-2px)}.google-btn:disabled{opacity:.55;cursor:not-allowed;transform:none;box-shadow:none}.google-btn svg{flex-shrink:0}.landing-bg-orb{position:absolute;border-radius:50%;pointer-events:none;z-index:0;filter:blur(80px)}.orb1{width:500px;height:500px;background:#4f8ef71f;top:-100px;right:-100px}.orb2{width:400px;height:400px;background:#8b75f51a;bottom:-80px;left:-80px}.orb3{width:300px;height:300px;background:#0dbfa31a;top:40%;left:30%}.stats-row{display:flex;gap:2rem;justify-content:center;margin-top:2.5rem;animation:fadeIn .6s .5s ease both}.stat-item{text-align:center}.stat-num{font-size:1.6rem;font-weight:800;color:var(--primary)}.stat-label{font-size:.78rem;color:var(--text3);font-weight:500}.landing-footer{display:grid;grid-template-columns:minmax(260px,1.4fr) repeat(3,minmax(150px,1fr));gap:2rem;padding:2.3rem 2.5rem;border-top:1px solid var(--border);background:var(--surface);position:relative;z-index:2}.landing-footer-brand{max-width:430px}.landing-footer-brand p{margin-top:.7rem;color:var(--text2);font-size:.88rem;line-height:1.6}.footer-meta-list{display:flex;flex-wrap:wrap;gap:.45rem;margin-top:1rem}.footer-meta-list span{padding:5px 10px;border-radius:999px;background:var(--primary-light);color:var(--primary);font-size:.74rem;font-weight:700}.landing-footer-links{min-width:0;display:flex;flex-direction:column;align-items:flex-start;gap:.55rem}.landing-footer-heading{color:var(--primary);font-size:.86rem;font-weight:800}.landing-footer-links button,.landing-footer-links span{border:0;background:transparent;color:var(--text2);cursor:pointer;font-family:var(--font);font-size:.86rem;padding:0;text-align:left;line-height:1.35}.landing-footer-links span{cursor:default;color:var(--text3)}.landing-footer-links button:hover{color:var(--primary)}.site-footer{margin-top:auto;width:100%;padding:.85rem 1rem;background:#eaf3ff;color:var(--text2);text-align:center;font-size:.84rem;font-weight:600;border-top:1px solid var(--primary-mid)}.info-screen{min-height:100vh;background:var(--bg);flex-direction:column}.info-header{height:70px;display:flex;align-items:center;justify-content:space-between;padding:0 2.5rem;background:var(--surface);border-bottom:1px solid var(--border)}.info-page{width:100%;max-width:1080px;margin:0 auto;padding:4rem 2rem}.info-hero{max-width:760px;margin-bottom:2rem}.info-kicker{display:inline-flex;color:var(--primary);background:var(--primary-light);border:1px solid var(--primary-mid);border-radius:50px;padding:5px 14px;font-size:.78rem;font-weight:700;margin-bottom:1rem}.info-hero h1{font-size:clamp(2rem,5vw,3.6rem);line-height:1.08;margin-bottom:1rem}.info-hero p{color:var(--text2);line-height:1.75;font-size:1.02rem}.info-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1rem}.info-section{margin-top:2rem;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:1.6rem;box-shadow:var(--shadow-sm)}.info-section h2{font-size:1.25rem;margin-bottom:.7rem}.info-section p{color:var(--text2);line-height:1.75;font-size:.94rem;margin-top:.8rem}.info-detail-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1rem;margin-top:1rem}.info-detail-grid article{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:1.2rem;box-shadow:var(--shadow-sm)}.info-detail-grid h3{font-size:.98rem;margin-bottom:.45rem}.info-detail-grid p{color:var(--text2);line-height:1.65;font-size:.88rem}.info-card,.contact-panel{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm)}.info-card{padding:1.3rem}.info-card h2,.contact-panel h2{font-size:1rem;margin-bottom:.45rem}.info-card p,.contact-panel p{color:var(--text2);line-height:1.65;font-size:.9rem}.contact-panel{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1rem;padding:1.4rem}.contact-panel span{display:block;margin-top:.45rem;color:var(--text3);font-size:.78rem;line-height:1.5}#screen-profile{min-height:100vh;align-items:center;justify-content:center;background:var(--bg);flex-direction:column;padding:2rem}.profile-card{background:var(--surface);border-radius:var(--radius-xl);padding:2.5rem;max-width:560px;width:100%;box-shadow:0 20px 60px #4f8ef71f;border:1px solid var(--border);animation:scaleIn .4s cubic-bezier(.34,1.56,.64,1) both}.profile-steps{display:flex;gap:8px;margin-bottom:2rem}.profile-step{flex:1;height:4px;border-radius:10px;background:var(--border);transition:background .4s}.profile-step.done{background:var(--primary)}.profile-step.active{background:linear-gradient(90deg,var(--primary),var(--teal))}.photo-upload{display:flex;align-items:center;gap:1rem;margin-bottom:1.2rem}.photo-circle{width:80px;height:80px;border-radius:50%;background:linear-gradient(135deg,var(--primary-light),var(--lavender-light));border:2px dashed var(--primary-mid);display:flex;align-items:center;justify-content:center;cursor:pointer;transition:var(--transition);font-size:1.8rem;flex-shrink:0;overflow:hidden}.photo-circle:hover{border-style:solid;border-color:var(--primary)}.photo-circle img{width:100%;height:100%;object-fit:cover}.section-title{font-size:.7rem;font-weight:700;text-transform:uppercase;letter-spacing:.1em;color:var(--text3);margin:1.2rem 0 .6rem;display:flex;align-items:center;gap:8px}.section-title:after{content:"";flex:1;height:1px;background:var(--border)}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}#screen-app{min-height:100vh;flex-direction:row}.hamburger-btn{width:40px;height:40px;border-radius:var(--radius-sm);background:var(--surface2);border:1px solid var(--border);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;cursor:pointer;transition:var(--transition);flex-shrink:0}.hamburger-btn:hover{background:var(--primary-light);border-color:var(--primary-mid)}.hamburger-btn span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text2);transition:all .3s cubic-bezier(.4,0,.2,1);transform-origin:center}.hamburger-btn.open span:nth-child(1){transform:translateY(7px) rotate(45deg);background:var(--primary)}.hamburger-btn.open span:nth-child(2){opacity:0;transform:scaleX(0)}.hamburger-btn.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);background:var(--primary)}.sidebar-backdrop{position:fixed;inset:0;background:#0f172a59;-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);z-index:99;opacity:0;pointer-events:none;transition:opacity .3s ease}.sidebar-backdrop.open{opacity:1;pointer-events:all}.sidebar{width:var(--sidebar-w);min-height:100vh;background:var(--surface);border-right:1px solid var(--border);display:flex;flex-direction:column;position:fixed;top:0;left:0;height:100vh;overflow:hidden;z-index:100;flex-shrink:0;box-shadow:4px 0 30px #4f8ef71f;transform:translate(-100%);transition:transform .32s cubic-bezier(.4,0,.2,1)}.sidebar.open{transform:translate(0)}.sidebar-header{display:flex;align-items:center;justify-content:space-between;padding:1.2rem 1rem;border-bottom:1px solid var(--border);min-height:64px;flex-shrink:0}.sidebar-logo{display:flex;align-items:center;gap:10px;overflow:hidden;white-space:nowrap}.sidebar-logo-text{font-size:1.15rem;font-weight:800;letter-spacing:-.03em}.sidebar-close-btn{background:none;border:none;cursor:pointer;padding:6px;border-radius:8px;color:var(--text3);transition:var(--transition);flex-shrink:0;font-size:1.1rem;display:flex;align-items:center;justify-content:center}.sidebar-close-btn:hover{background:var(--red-light);color:var(--red)}.sidebar-profile{padding:1rem;display:flex;align-items:center;gap:10px;border-bottom:1px solid var(--border);overflow:hidden;flex-shrink:0;background:linear-gradient(135deg,var(--primary-light),var(--lavender-light))}.profile-avatar{width:42px;height:42px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--lavender));flex-shrink:0;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:.9rem;overflow:hidden;border:2px solid rgba(255,255,255,.6);box-shadow:0 2px 8px #4f8ef740}.profile-avatar img{width:100%;height:100%;object-fit:cover}.profile-info{overflow:hidden;white-space:nowrap}.profile-name{font-size:.88rem;font-weight:700}.profile-year{font-size:.72rem;color:var(--text2)}.sidebar-nav{flex:1;overflow-y:auto;padding:.8rem 0}.nav-item{display:flex;align-items:center;gap:12px;padding:11px 16px;margin:2px 10px;border-radius:var(--radius-sm);cursor:pointer;transition:var(--transition);white-space:nowrap;overflow:hidden;position:relative;color:var(--text2)}.nav-item:hover{background:var(--surface2);color:var(--text);transform:translate(2px)}.nav-item.active{background:var(--primary-light);color:var(--primary)}.nav-item.active:before{content:"";position:absolute;left:0;top:20%;bottom:20%;width:3px;border-radius:0 3px 3px 0;background:var(--primary)}.nav-icon{font-size:1.1rem;flex-shrink:0;display:flex;min-width:20px;justify-content:center}.nav-label{font-size:.88rem;font-weight:600}.nav-badge{margin-left:auto;background:var(--red);color:#fff;border-radius:50px;font-size:.68rem;font-weight:700;padding:2px 7px;flex-shrink:0}.nav-section-label{padding:8px 26px 4px;font-size:.65rem;font-weight:700;text-transform:uppercase;letter-spacing:.1em;color:var(--text3)}.sidebar-footer{padding:.8rem;border-top:1px solid var(--border);flex-shrink:0}.main{flex:1;min-height:100vh;overflow-y:auto;overflow-x:hidden;display:flex;flex-direction:column}.topbar{position:sticky;top:0;z-index:50;background:#f8faffeb;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--border);padding:0 2rem;height:64px;display:flex;align-items:center;justify-content:space-between;gap:1rem}.topbar-left{display:flex;align-items:center;gap:1rem}.page-title{font-size:1.1rem;font-weight:700}.breadcrumb{font-size:.8rem;color:var(--text3);display:flex;align-items:center;gap:5px}.breadcrumb span{color:var(--primary);font-weight:600}.topbar-right{display:flex;align-items:center;gap:10px}.search-bar{display:flex;align-items:center;gap:8px;background:var(--surface2);border:1px solid var(--border);border-radius:50px;padding:7px 14px;transition:var(--transition);width:220px}.search-bar:focus-within{border-color:var(--primary);background:var(--surface);box-shadow:0 0 0 3px #4f8ef71a}.search-bar input{background:none;border:none;outline:none;font-family:var(--font);font-size:.85rem;color:var(--text);flex:1}.search-icon{color:var(--text3);font-size:.9rem}.notif-btn{width:36px;height:36px;border-radius:var(--radius-sm);background:var(--surface2);border:1px solid var(--border);display:flex;align-items:center;justify-content:center;cursor:pointer;transition:var(--transition);position:relative;color:var(--text2)}.notif-btn:hover{background:var(--primary-light);color:var(--primary)}.notif-dot{position:absolute;top:7px;right:7px;width:7px;height:7px;border-radius:50%;background:var(--red);border:1.5px solid var(--surface2)}.page-content{padding:1.8rem 2rem;flex:1}.section-heading{font-size:1.05rem;font-weight:700;margin-bottom:1rem;display:flex;align-items:center;justify-content:space-between}.dash-greeting{margin-bottom:1.5rem;animation:fadeIn .5s ease both}.dash-greeting h2{font-size:1.5rem;font-weight:800;letter-spacing:-.02em}.dash-greeting p{color:var(--text2);font-size:.9rem;margin-top:3px}.dash-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:1.2rem;margin-bottom:1.4rem}.dash-grid-full{grid-column:1 / -1}.metric-card{background:var(--surface);border:1px solid 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1fr;gap:1.2rem;margin-bottom:1.4rem}.dash-row-3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:1.2rem;margin-bottom:1.4rem}.analysis-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:1.4rem}.insight-item{display:flex;align-items:flex-start;gap:10px;padding:10px 12px;border-radius:var(--radius-sm);background:var(--surface2);margin-bottom:8px;transition:var(--transition)}.insight-item:hover{background:var(--primary-light)}.insight-icon{font-size:1.1rem;flex-shrink:0;margin-top:1px}.insight-text{font-size:.83rem;line-height:1.5}.insight-label{font-weight:600;font-size:.78rem;margin-bottom:2px}.streak-card{background:linear-gradient(135deg,#fff8ec,#fff0d9);border:1px solid #FDDDA0;border-radius:var(--radius-lg);padding:1.4rem}.streak-num{font-size:3rem;font-weight:800;color:#b45309;letter-spacing:-.04em;line-height:1}.streak-label{font-size:.8rem;color:#92400e;font-weight:600;margin-top:2px}.heatmap{display:grid;grid-template-columns:repeat(13,1fr);gap:4px;margin-top:12px}.heatmap-cell{aspect-ratio:1;border-radius:3px;background:var(--border);transition:var(--transition);cursor:pointer}.heatmap-cell:hover{transform:scale(1.3)}.heatmap-cell.h1{background:#fde68a}.heatmap-cell.h2{background:#fcd34d}.heatmap-cell.h3{background:#f59e0b}.heatmap-cell.h4{background:#b45309}.recent-item{display:flex;align-items:center;gap:12px;padding:10px 0;border-bottom:1px solid var(--border);cursor:pointer;transition:var(--transition)}.recent-item:last-child{border-bottom:none}.recent-item:hover{padding-left:6px}.recent-thumb{width:42px;height:42px;border-radius:10px;flex-shrink:0;display:flex;align-items:center;justify-content:center;font-size:1.2rem}.recent-info{flex:1;min-width:0}.recent-title{font-size:.85rem;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.recent-sub{font-size:.75rem;color:var(--text3)}.recent-time{font-size:.72rem;color:var(--text3);flex-shrink:0}.progress-tracker{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:1.4rem}.tracker-item{margin-bottom:14px}.tracker-header{display:flex;justify-content:space-between;margin-bottom:5px}.tracker-name{font-size:.83rem;font-weight:600}.tracker-pct{font-size:.78rem;color:var(--text2);font-weight:600}.ai-banner{background:linear-gradient(135deg,#eef4ff,#f0edff,#e6faf7);border:1px solid var(--primary-mid);border-radius:var(--radius-lg);padding:1.3rem 1.5rem;margin-bottom:1.4rem;display:flex;align-items:center;gap:1rem;animation:fadeIn .5s .2s ease both}.ai-icon-wrap{width:48px;height:48px;border-radius:var(--radius-sm);background:linear-gradient(135deg,var(--primary),var(--lavender));display:flex;align-items:center;justify-content:center;flex-shrink:0;font-size:1.4rem}.ai-banner-text h4{font-size:.95rem;margin-bottom:3px}.ai-banner-text p{font-size:.82rem;color:var(--text2)}.subjects-topbar{display:flex;align-items:center;justify-content:space-between;margin-bottom:1.4rem;gap:1rem}.subject-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:1.2rem}.subject-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;cursor:pointer;transition:var(--transition);animation:fadeIn .4s ease 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10px;border-radius:var(--radius-sm);transition:var(--transition);border:none;background:none;margin-bottom:1.2rem}.back-btn:hover{background:var(--surface2);color:var(--primary)}.units-header{margin-bottom:1.5rem}.units-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:1rem}.unit-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:1.4rem;cursor:pointer;transition:var(--transition);text-align:center;animation:scaleIn .35s ease both}.unit-card:hover{box-shadow:var(--shadow-md);transform:translateY(-4px);border-color:var(--primary-mid)}.unit-num{width:50px;height:50px;border-radius:50%;background:var(--primary-light);color:var(--primary);display:flex;align-items:center;justify-content:center;font-size:1.2rem;font-weight:800;margin:0 auto 10px}.unit-name{font-size:.9rem;font-weight:700;margin-bottom:6px}.unit-topics{font-size:.78rem;color:var(--text3);margin-bottom:10px}.unit-progress-wrap{text-align:left}.content-tabs{display:flex;gap:6px;margin-bottom:1.4rem;flex-wrap:wrap}.content-tab{display:flex;align-items:center;gap:7px;padding:9px 18px;border-radius:50px;border:1.5px solid var(--border);font-family:var(--font);font-size:.85rem;font-weight:600;cursor:pointer;transition:var(--transition);background:var(--surface);color:var(--text2)}.content-tab:hover{border-color:var(--primary-mid);color:var(--primary)}.content-tab.active{background:var(--primary);color:#fff;border-color:var(--primary)}.tab-pane{display:none;animation:fadeIn .3s ease both}.videos-layout{display:flex;gap:0;align-items:flex-start;min-height:500px}.video-sidebar{width:280px;min-width:280px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;position:sticky;top:74px;max-height:calc(100vh - 90px);display:flex;flex-direction:column;flex-shrink:0;transition:width .32s cubic-bezier(.4,0,.2,1),min-width .32s cubic-bezier(.4,0,.2,1);margin-right:1.2rem}.video-sidebar.collapsed{width:46px;min-width:46px;margin-right:1rem}.video-sidebar-header{padding:.85rem 1rem;border-bottom:1px solid var(--border);font-weight:700;font-size:.88rem;background:linear-gradient(135deg,var(--primary-light),var(--lavender-light));display:flex;align-items:center;gap:8px;cursor:pointer;-webkit-user-select:none;user-select:none;justify-content:space-between;white-space:nowrap;overflow:hidden;flex-shrink:0}.video-sidebar-header:hover{background:var(--primary-light)}.sidebar-toggle-btn{width:26px;height:26px;border-radius:8px;background:var(--surface);border:1.5px solid var(--border);display:flex;align-items:center;justify-content:center;font-size:.75rem;cursor:pointer;transition:var(--transition);flex-shrink:0;color:var(--text2);font-weight:700}.sidebar-toggle-btn:hover{background:var(--primary);color:#fff;border-color:var(--primary)}.video-sidebar.collapsed .sidebar-header-label{display:none}.video-sidebar.collapsed .video-sidebar-header{justify-content:center;padding:.85rem .6rem;border-bottom:none;flex-direction:column;min-height:60px}.video-sidebar-body{overflow-y:auto;flex:1}.video-sidebar.collapsed .video-sidebar-body{display:none}.video-player-area{flex:1;min-width:0;display:flex;flex-direction:column;gap:1rem}.video-list{overflow-y:auto;min-height:200px}.video-item{display:flex;align-items:flex-start;gap:12px;padding:12px 16px;cursor:pointer;transition:var(--transition);border-left:3px solid transparent;position:relative}.video-item:hover{background:var(--surface2)}.video-item.active{background:var(--primary-light);border-left-color:var(--primary)}.video-item.completed .video-item-dot{background:var(--green)}.video-connector{position:absolute;left:24px;top:34px;bottom:-12px;width:2px;background:var(--border);z-index:0}.video-item:last-child .video-connector{display:none}.video-item-dot{width:20px;height:20px;border-radius:50%;background:var(--border);border:2.5px solid var(--surface);flex-shrink:0;margin-top:2px;z-index:1;display:flex;align-items:center;justify-content:center;font-size:.65rem;color:#fff;transition:var(--transition)}.video-item.active .video-item-dot{background:var(--primary);border-color:var(--primary-light)}.video-item.completed .video-item-dot{background:var(--green);border-color:var(--green-light)}.video-item-info{flex:1;min-width:0}.video-item-title{font-size:.85rem;font-weight:600;margin-bottom:3px;line-height:1.3;color:var(--text)}.video-item.active .video-item-title{color:var(--primary)}.video-item-dur{font-size:.73rem;color:var(--text3);display:flex;align-items:center;gap:4px}.video-player-area{display:flex;flex-direction:column;gap:1rem}.video-embed-wrapper{background:#0d1526;border-radius:var(--radius-lg);aspect-ratio:16/9;display:flex;align-items:center;justify-content:center;overflow:hidden;position:relative;box-shadow:0 8px 32px #00000040}.video-placeholder{display:flex;flex-direction:column;align-items:center;gap:14px;color:#fff;padding:2rem;text-align:center}.play-btn-big{width:76px;height:76px;border-radius:50%;background:var(--primary);display:flex;align-items:center;justify-content:center;cursor:pointer;transition:var(--transition);font-size:1.9rem;color:#fff;box-shadow:0 0 0 12px #4f8ef733,0 8px 32px #4f8ef780;animation:pulse 2.5s infinite}.play-btn-big:hover{background:#3d7de8;transform:scale(1.08)}.video-controls{display:flex;align-items:center;justify-content:space-between;gap:8px}.review-btn{display:flex;align-items:center;gap:6px;padding:9px 22px;border-radius:50px;border:1.5px solid var(--amber);color:#b45309;background:var(--amber-light);font-size:.85rem;font-weight:600;cursor:pointer;transition:var(--transition)}.review-btn:hover,.review-btn.marked{background:var(--amber);color:#fff}.tab-pane{display:none;animation:fadeIn .28s ease both}.tab-pane.active{display:block}.note-preview-modal{width:100vw;height:100vh;max-width:none;max-height:none;border-radius:0;padding:0;overflow:hidden;display:flex;flex-direction:column;position:relative;background:#2f3338}.note-preview-header{display:contents}.note-preview-title{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}.note-preview-actions{position:fixed;top:14px;right:14px;z-index:7000;display:flex;align-items:center;gap:8px}.note-preview-icon-btn{width:36px;height:36px;border-radius:999px;border:1px solid rgba(255,255,255,.18);background:#111827d1;color:#fff;display:inline-flex;align-items:center;justify-content:center;font-size:1.05rem;font-weight:800;cursor:pointer;transition:var(--transition);box-shadow:0 10px 24px #0f172a3d;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.note-preview-icon-btn:hover{border-color:#ffffff61;background:#111827f5;color:#fff}.note-preview-body{width:100%;flex:1;min-height:0;overflow:auto;background:#3a3d42}.note-preview-body iframe{width:100%;height:100%;border:none;display:block}.video-item-dur,.video-item-extras{display:none!important}.roadmap-video-tree{margin-top:6px;display:grid;gap:3px;color:var(--text2);font-size:.76rem;line-height:1.35}.roadmap-video-child{white-space:normal;overflow-wrap:anywhere}.v10-actions-menu{position:relative;justify-self:end;overflow:visible;flex-shrink:0}.v10-actions-trigger,.v10-actions-menu>summary{list-style:none;width:30px;height:30px;display:grid;place-items:center;border:1px solid var(--border);border-radius:6px;background:var(--surface);cursor:pointer;font-weight:800;color:var(--text2)}.v10-actions-menu>summary::-webkit-details-marker{display:none}.v10-actions-dropdown{position:absolute;right:0;top:34px;z-index:5000;min-width:142px;padding:5px;border:1px solid var(--border);border-radius:8px;background:var(--surface);box-shadow:var(--shadow-lg);display:none;gap:3px}.v10-actions-portal{position:fixed;z-index:9000;min-width:156px;padding:6px;border:1px solid var(--border);border-radius:8px;background:var(--surface);box-shadow:0 18px 46px #0f172a38;display:grid;gap:3px}.v10-actions-portal button{border:0;background:transparent;color:var(--text);text-align:left;padding:8px 10px;border-radius:6px;cursor:pointer;font-size:.8rem;font-weight:600}.v10-actions-portal button:hover{background:var(--surface2)}.v10-actions-portal button.danger{color:var(--red)}.v10-actions-menu[open] .v10-actions-dropdown,.v10-actions-menu.open .v10-actions-dropdown{display:grid}.v10-actions-dropdown button{border:0;background:transparent;color:var(--text);text-align:left;padding:7px 9px;border-radius:5px;cursor:pointer;font-size:.78rem}.v10-actions-dropdown button:hover{background:var(--surface2)}.v10-actions-dropdown button.danger{color:var(--red)}.v10-panel,.v10-panel-body,.v10-items,.v10-item,.v10-saved-topic,.roadmap-video-child{overflow:visible}.v10-saved-topic-head{display:flex;gap:8px;align-items:center;justify-content:space-between;margin-bottom:8px}.v10-saved-topic-title{font-weight:700;font-size:.86rem;min-width:0;overflow-wrap:anywhere}.roadmap-video-child span{color:var(--primary);overflow-wrap:anywhere}.video-subtopic{width:100%;display:grid;grid-template-columns:auto minmax(0,1fr);align-items:center;gap:6px;border:0;background:transparent;color:var(--text2);text-align:left;padding:5px 6px;border-radius:6px;cursor:pointer;font:inherit;font-size:.78rem}.video-subtopic:hover{background:var(--surface2);color:var(--text)}.video-subtopic.active{background:var(--primary-light);color:var(--primary);font-weight:700}.video-subtopic.completed .video-subtopic-branch{color:var(--green)}.video-subtopic-branch{color:var(--text3);font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}.v10-drop-zone{border:1.5px dashed var(--border);border-radius:8px;padding:14px;text-align:center;background:var(--surface2);cursor:pointer;transition:var(--transition);margin-bottom:10px}.v10-drop-zone.dragging,.v10-drop-zone:hover{border-color:var(--primary);background:var(--primary-light)}.v10-drop-title{font-size:.86rem;font-weight:800;color:var(--text)}.v10-drop-sub{font-size:.75rem;color:var(--text3);margin-top:3px}.v10-upload-progress{display:none;height:6px;background:var(--border);border-radius:999px;overflow:hidden;margin-top:10px}.v10-upload-progress.active{display:block}.v10-upload-progress span{display:block;width:0;height:100%;background:var(--primary);transition:width .25s ease}.v10-edit-modal{position:fixed;inset:0;z-index:6000;display:flex;align-items:center;justify-content:center;background:#0f172a8c;padding:18px}.v10-edit-box{width:min(440px,100%);background:var(--surface);border:1px solid var(--border);border-radius:8px;box-shadow:var(--shadow-lg);padding:18px;display:grid;gap:12px}.v10-edit-box h3{margin:0;font-size:1rem}.v10-edit-box label{display:grid;gap:6px;font-size:.78rem;font-weight:700;color:var(--text2)}.v10-edit-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:4px}.note-row{display:flex;align-items:center;gap:12px;padding:13px 14px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-md);margin-bottom:8px;transition:var(--transition);cursor:pointer}.note-row:hover{border-color:var(--primary-mid);box-shadow:var(--shadow-sm)}.note-icon{font-size:1.5rem;flex-shrink:0}.note-info{flex:1;min-width:0}.note-title{font-size:.9rem;font-weight:600}.note-desc{font-size:.78rem;color:var(--text3);margin-top:2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.note-actions{display:flex;gap:6px;flex-shrink:0}.note-actions>.tag{display:none}.pyq-filters{display:flex;gap:8px;margin-bottom:1rem;flex-wrap:wrap}.pyq-filter{padding:4px 12px;border-radius:50px;border:1.5px solid var(--border);font-size:.78rem;font-weight:600;cursor:pointer;background:var(--surface);color:var(--text2);transition:var(--transition)}.pyq-filter.active{background:var(--primary);color:#fff;border-color:var(--primary)}.pyq-item{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-md);margin-bottom:10px;overflow:hidden;transition:var(--transition)}.pyq-item:hover{border-color:var(--primary-mid)}.pyq-header{display:flex;align-items:flex-start;justify-content:space-between;padding:13px 14px;cursor:pointer;gap:10px}.pyq-q{font-size:.9rem;font-weight:500;line-height:1.5;flex:1}.pyq-meta{display:flex;flex-direction:column;align-items:flex-end;gap:4px;flex-shrink:0}.pyq-year{font-size:.72rem;color:var(--text3)}.pyq-count{font-size:.68rem;background:var(--red-light);color:var(--red);padding:2px 8px;border-radius:50px;font-weight:700}.pyq-answer{display:none;padding:12px 14px;border-top:1px solid var(--border);background:var(--surface2);font-size:.83rem;color:var(--text2);line-height:1.6}.pyq-item.expanded .pyq-answer{display:block}.iq-item{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-md);margin-bottom:10px;padding:13px 14px;transition:var(--transition)}.iq-item:hover{border-color:var(--primary-mid)}.iq-header{display:flex;align-items:flex-start;justify-content:space-between;gap:10px;margin-bottom:8px}.iq-q{font-size:.9rem;font-weight:500;line-height:1.5;flex:1}.iq-actions{display:flex;gap:6px;flex-shrink:0}.iq-footer{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.priority-badge{padding:3px 10px;border-radius:50px;font-size:.7rem;font-weight:700}.priority-high{background:#fee2e2;color:#dc2626}.priority-med{background:var(--amber-light);color:#b45309}.priority-low{background:var(--green-light);color:#059669}.calc-layout{display:grid;grid-template-columns:1fr 380px;gap:1.4rem}.calc-table-wrapper{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden}.calc-table-header{padding:1rem 1.2rem;background:var(--surface2);border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between}.calc-table table{width:100%;border-collapse:collapse}.calc-table th{padding:10px 12px;text-align:left;font-size:.75rem;text-transform:uppercase;letter-spacing:.06em;color:var(--text3);font-weight:700;border-bottom:1px solid var(--border)}.calc-table td{padding:9px 12px;border-bottom:1px solid var(--border);font-size:.85rem}.calc-table tr:last-child td{border-bottom:none}.calc-table .input-cell input,.calc-table .input-cell select{padding:5px 8px;border:1px solid var(--border);border-radius:7px;font-family:var(--font);font-size:.82rem;width:100%;outline:none;transition:var(--transition)}.calc-table .input-cell input:focus,.calc-table .input-cell select:focus{border-color:var(--primary)}.calc-table tr.fail-row td{background:var(--red-light)}.calc-results{display:flex;flex-direction:column;gap:1rem}.result-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:1.4rem}.result-big{font-size:3.5rem;font-weight:800;letter-spacing:-.04em;line-height:1}.result-label{font-size:.8rem;color:var(--text2);font-weight:600;text-transform:uppercase;letter-spacing:.06em;margin-top:4px}.grade-chart{display:flex;gap:4px;align-items:flex-end;height:60px;margin-top:12px}.grade-bar{flex:1;border-radius:4px 4px 0 0;min-height:8px;transition:height .5s ease}.backlog-empty{display:flex;flex-direction:column;align-items:center;gap:1rem;padding:3rem;text-align:center;color:var(--text2)}.empty-icon{font-size:4rem;margin-bottom:.5rem}.coming-soon-wrap{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:60vh;text-align:center}.coming-soon-orbit{position:relative;width:180px;height:180px;margin-bottom:2rem}.orbit-center{width:80px;height:80px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--lavender));display:flex;align-items:center;justify-content:center;font-size:2rem;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);animation:float 3s ease-in-out infinite}.orbit-ring{position:absolute;border-radius:50%;border:1.5px dashed var(--border);top:50%;left:50%;transform:translate(-50%,-50%)}.orbit-dot{width:16px;height:16px;border-radius:50%;background:var(--primary-light);border:2px solid var(--primary);display:flex;align-items:center;justify-content:center;font-size:.6rem;animation:orbit linear infinite}.chat-fab{position:fixed;bottom:2rem;right:2rem;z-index:200;width:58px;height:58px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--lavender));box-shadow:0 6px 24px #4f8ef780;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:var(--transition);border:none;font-size:1.4rem;color:#fff;animation:pulse 3s infinite}.chat-fab:hover{transform:scale(1.1);box-shadow:0 8px 30px #4f8ef799}.chat-window{position:fixed;bottom:5.5rem;right:2rem;z-index:199;width:380px;max-height:560px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-xl);box-shadow:var(--shadow-lg);display:flex;flex-direction:column;overflow:hidden;transform:scale(.8) translateY(20px) translate(20px);transform-origin:bottom right;opacity:0;transition:transform .3s cubic-bezier(.34,1.56,.64,1),opacity .25s ease;pointer-events:none}.chat-window.open{transform:scale(1) translateY(0) translate(0);opacity:1;pointer-events:all}.chat-header{padding:1rem 1.2rem;background:linear-gradient(135deg,var(--primary),var(--lavender));display:flex;align-items:center;gap:10px;flex-shrink:0}.chat-avatar{width:36px;height:36px;border-radius:50%;background:#ffffff4d;display:flex;align-items:center;justify-content:center;font-size:1rem;flex-shrink:0}.chat-title{color:#fff;font-weight:700;font-size:.9rem}.chat-subtitle{color:#ffffffbf;font-size:.75rem}.chat-close{margin-left:auto;color:#fffc;background:none;border:none;cursor:pointer;font-size:1.1rem;padding:4px}.chat-messages{flex:1;overflow-y:auto;padding:1rem;display:flex;flex-direction:column;gap:10px}.chat-msg{max-width:85%;animation:fadeIn .3s ease}.chat-msg.bot{align-self:flex-start}.chat-msg.user{align-self:flex-end}.chat-bubble{padding:10px 14px;border-radius:16px;font-size:.85rem;line-height:1.5}.chat-msg.bot .chat-bubble{background:var(--surface2);color:var(--text);border-bottom-left-radius:4px}.chat-msg.user .chat-bubble{background:var(--primary);color:#fff;border-bottom-right-radius:4px}.chat-typing{display:flex;gap:4px;align-items:center;padding:10px 14px}.typing-dot{width:7px;height:7px;border-radius:50%;background:var(--text3);animation:chatBounce 1.4s ease-in-out infinite}.typing-dot:nth-child(2){animation-delay:.2s}.typing-dot:nth-child(3){animation-delay:.4s}.chat-quick-btns{padding:.6rem 1rem;display:flex;gap:6px;flex-wrap:wrap;border-top:1px solid var(--border)}.chat-quick-btn{padding:5px 11px;border-radius:50px;border:1px solid var(--primary-mid);background:var(--primary-light);color:var(--primary);font-size:.75rem;font-weight:600;cursor:pointer;transition:var(--transition)}.chat-quick-btn:hover{background:var(--primary);color:#fff}.chat-input-row{padding:.75rem 1rem;border-top:1px solid var(--border);display:flex;align-items:center;gap:8px;flex-shrink:0}.chat-input{flex:1;padding:8px 12px;border:1.5px solid var(--border);border-radius:50px;font-family:var(--font);font-size:.85rem;outline:none;transition:var(--transition)}.chat-input:focus{border-color:var(--primary)}.chat-send{width:34px;height:34px;border-radius:50%;background:var(--primary);border:none;color:#fff;cursor:pointer;transition:var(--transition);display:flex;align-items:center;justify-content:center;font-size:1rem}.chat-send:hover{background:#3d7de8;transform:scale(1.08)}.loading-overlay{position:fixed;inset:0;background:var(--surface);display:flex;align-items:center;justify-content:center;flex-direction:column;gap:1.2rem;z-index:9999;transition:opacity .4s ease;opacity:1}.loading-overlay.hidden{opacity:0;pointer-events:none}.loading-logo{font-size:2rem;font-weight:800;letter-spacing:-.04em}.loading-logo span{background:linear-gradient(135deg,var(--primary),var(--lavender));-webkit-background-clip:text;-webkit-text-fill-color:transparent}.loading-spinner{width:36px;height:36px;border:3px solid var(--border);border-top-color:var(--primary);border-radius:50%;animation:spin .8s linear infinite}.loading-text{font-size:.85rem;color:var(--text3)}.confirm-modal{text-align:center}.confirm-icon{font-size:2.5rem;margin-bottom:.8rem}.confirm-title{font-size:1.2rem;font-weight:700;margin-bottom:.5rem}.confirm-text{font-size:.88rem;color:var(--text2);margin-bottom:1.5rem;line-height:1.5}.confirm-actions{display:flex;gap:10px;justify-content:center}.teacher-coming{display:flex;align-items:center;justify-content:center;min-height:100vh;background:var(--bg)}.teacher-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-xl);padding:3rem;text-align:center;max-width:480px;box-shadow:var(--shadow-lg);animation:scaleIn .4s cubic-bezier(.34,1.56,.64,1) both}.toast{position:fixed;bottom:1.5rem;left:50%;transform:translate(-50%) translateY(80px);background:var(--text);color:#fff;padding:10px 20px;border-radius:50px;font-size:.85rem;font-weight:600;z-index:9000;transition:transform .3s cubic-bezier(.34,1.56,.64,1),opacity .3s;opacity:0;pointer-events:none;white-space:nowrap}.toast.show{transform:translate(-50%) translateY(0);opacity:1}.toast.green{background:var(--green)}.toast.red{background:var(--red)}.toast.amber{background:var(--amber);color:#fff}.admin-icon-btn{width:48px;height:48px;border-radius:16px;background:var(--surface2);border:1.5px solid var(--border);display:flex;align-items:center;justify-content:center;cursor:pointer;transition:var(--transition);color:var(--text2);position:relative}.admin-icon-btn:hover{background:var(--lavender-light);color:var(--lavender);border-color:var(--lavender-mid)}.admin-icon-btn .icon-3d{width:24px;height:24px;border-radius:8px;box-shadow:inset 0 1px 4px #ffffff6b,inset 0 -5px 8px #0f172a29,0 5px 12px #4f8ef733}.admin-dropdown-wrap{position:relative}.admin-dropdown{position:absolute;top:calc(100% + 8px);right:0;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-md);box-shadow:0 8px 32px #0f172a24;min-width:200px;z-index:9999;display:none;overflow:hidden;transform-origin:top right;animation:scaleIn .18s cubic-bezier(.34,1.56,.64,1) both}.admin-dropdown.open{display:block}.admin-dropdown-item{display:flex;align-items:center;gap:10px;padding:13px 18px;font-size:.9rem;font-weight:600;cursor:pointer;transition:var(--transition);color:var(--text);width:100%;background:none;border:none;font-family:var(--font);text-align:left}.admin-dropdown-item:hover{background:var(--lavender-light);color:var(--lavender)}.admin-login-modal{max-width:400px}.admin-modal-header{text-align:center;margin-bottom:1.5rem}.admin-modal-icon{font-size:2.5rem;margin-bottom:8px}.admin-modal-title{font-size:1.2rem;font-weight:700}.admin-modal-sub{font-size:.83rem;color:var(--text2);margin-top:3px}#screen-google-auth{min-height:100vh;align-items:center;justify-content:center;background:var(--bg);flex-direction:column}.google-auth-card{background:var(--surface);border-radius:var(--radius-xl);padding:2.8rem 2.2rem;max-width:420px;width:90%;box-shadow:0 20px 60px #4f8ef71f;border:1px solid var(--border);text-align:center;animation:scaleIn .4s cubic-bezier(.34,1.56,.64,1) both}.google-auth-logo{font-size:2.8rem;margin-bottom:1rem;line-height:1}.google-auth-role-tag{display:inline-flex;align-items:center;padding:4px 14px;border-radius:50px;font-size:.8rem;font-weight:600;margin-bottom:.8rem}.google-auth-role-tag--student{background:var(--primary-light);color:var(--primary)}.google-auth-role-tag--creator{background:var(--teal-light);color:var(--teal)}.google-auth-back{margin-top:1.2rem;width:100%;justify-content:flex-start}.google-account-chevron{color:var(--text3);font-size:.8rem;flex-shrink:0}.google-account-name{font-weight:700;font-size:.9rem}.google-account-email{font-size:.78rem;color:var(--text3)}.search-results-dropdown{position:absolute;top:100%;left:0;right:0;z-index:50;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-md);box-shadow:var(--shadow-md);max-height:280px;overflow-y:auto;margin-top:4px}.search-result-item{display:flex;flex-direction:column;align-items:flex-start;width:100%;padding:10px 12px;border:none;background:transparent;cursor:pointer;text-align:left;font:inherit;color:inherit}.search-result-item:hover{background:var(--primary-light)}.search-result-empty{padding:12px;font-size:.82rem;color:var(--text3)}.avatar-student{background:linear-gradient(135deg,var(--primary),var(--lavender))}.avatar-student.alt{background:linear-gradient(135deg,var(--teal),var(--green))}.avatar-creator{background:linear-gradient(135deg,var(--teal),var(--primary))}.avatar-creator.alt{background:linear-gradient(135deg,var(--lavender),var(--teal))}.google-auth-logo.icon-3d{width:72px;height:72px;border-radius:22px;margin:0 auto 1rem}.google-auth-logo.professional-icon{width:76px;height:76px;border-radius:24px;margin:0 auto 1rem;background:linear-gradient(145deg,#2563eb,#7c3aed);box-shadow:inset 0 1px #ffffff57,0 16px 32px #4f8ef738}.google-auth-logo.professional-icon svg{width:54%;height:54%;stroke-width:1.8}.google-auth-title{font-size:1.4rem;font-weight:800;margin-bottom:.4rem}.google-auth-sub{font-size:.88rem;color:var(--text2);margin-bottom:2rem;line-height:1.6}.auth-terms-check{display:flex;align-items:flex-start;gap:9px;margin-bottom:.9rem;text-align:left;color:var(--text2);font-size:.8rem;line-height:1.45}.auth-terms-check input{margin-top:2px;accent-color:var(--primary);flex-shrink:0}.google-auth-divider{display:flex;align-items:center;gap:12px;margin:1.2rem 0}.google-auth-divider:before,.google-auth-divider:after{content:"";flex:1;height:1px;background:var(--border)}.google-auth-divider span{font-size:.78rem;color:var(--text3);font-weight:600}.google-auth-mock-accounts{display:flex;flex-direction:column;gap:8px}.google-account-btn{display:flex;align-items:center;gap:12px;padding:11px 16px;border-radius:var(--radius-md);border:1.5px solid var(--border);background:var(--surface);cursor:pointer;transition:var(--transition);text-align:left;width:100%;font:inherit;color:inherit}.google-account-btn:hover{border-color:var(--primary-mid);background:var(--primary-light)}.google-account-avatar{width:34px;height:34px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--lavender));display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:.85rem;flex-shrink:0;position:relative;overflow:hidden}.google-account-avatar.avatar-3d{box-shadow:inset 0 2px 6px #ffffff61,inset 0 -7px 10px #0f172a33,0 8px 16px #4f8ef73d}.google-account-avatar.avatar-3d:before{content:"";position:absolute;width:17px;height:18px;top:7px;left:8.5px;background:radial-gradient(circle at 50% 24%,#fff 0 5px,transparent 5.6px),radial-gradient(ellipse at 50% 98%,#fff 0 9px,transparent 9.6px)}.google-account-avatar.avatar-creator:before{width:18px;height:22px;top:6px;left:8px;border-radius:4px;background:linear-gradient(135deg,transparent 0 18%,rgba(79,142,247,.2) 19% 32%,transparent 33%) top right / 9px 9px no-repeat,linear-gradient(#fff,#fff)}.google-account-avatar.avatar-creator:after{content:"";position:absolute;width:16px;height:4px;left:14px;top:21px;border-radius:999px;background:#fff;transform:rotate(-35deg)}.google-account-avatar.account-professional-icon{color:#fff;background:linear-gradient(145deg,#3b82f6,#14b8a6);box-shadow:inset 0 1px #ffffff57,0 7px 14px #4f8ef72e}.google-account-avatar.account-professional-icon:before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 30% 18%,rgba(255,255,255,.28),transparent 36%)}.google-account-avatar.account-professional-icon svg{position:relative;z-index:1;width:65%;height:65%;stroke:currentColor;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}.account-student-icon.alt{background:linear-gradient(145deg,#10b981,#3b82f6)}.account-creator-icon{background:linear-gradient(145deg,#8b5cf6,#14b8a6)}.account-creator-icon.alt{background:linear-gradient(145deg,#7c3aed,#22c55e)}.avatar-teal{background:linear-gradient(145deg,var(--teal),var(--green))}.avatar-creator{background:linear-gradient(145deg,var(--teal),var(--primary))}.avatar-lavender{background:linear-gradient(145deg,var(--lavender),var(--teal))}.google-account-info{flex:1}.google-account-name{font-size:.88rem;font-weight:700}.google-account-email{font-size:.75rem;color:var(--text3)}#profile-branch-group,#profile-sem-note{display:block}#screen-admin{min-height:100vh;background:var(--bg);flex-direction:column}.admin-topbar{background:var(--surface);border-bottom:1px solid var(--border);padding:0 2rem;height:64px;display:flex;align-items:center;justify-content:space-between;gap:1rem;position:sticky;top:0;z-index:100}.admin-content{padding:2rem;flex:1;max-width:1200px;margin:0 auto;width:100%}.admin-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:1.2rem;margin-bottom:2rem}.admin-stat-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:1.4rem;transition:var(--transition);position:relative;overflow:hidden}.admin-stat-card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}.admin-stat-accent{position:absolute;top:0;right:0;width:80px;height:80px;border-radius:0 var(--radius-lg) 0 80px;opacity:.08}.admin-pending-list{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;margin-bottom:1.4rem}.admin-pending-header{padding:1rem 1.4rem;background:var(--surface2);border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between}.admin-pending-item{display:flex;align-items:center;gap:12px;padding:12px 1.4rem;border-bottom:1px solid var(--border);transition:var(--transition)}.admin-pending-item:last-child{border-bottom:none}.admin-pending-item:hover{background:var(--surface2)}#screen-subadmin{min-height:100vh;background:var(--bg);flex-direction:column}.subadmin-tabs{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:1.4rem}.subadmin-tab{padding:8px 18px;border-radius:50px;border:1.5px solid var(--border);font-size:.85rem;font-weight:600;cursor:pointer;transition:var(--transition);background:var(--surface);color:var(--text2)}.subadmin-tab:hover{border-color:var(--lavender-mid);color:var(--lavender)}.subadmin-tab.active{background:var(--lavender);color:#fff;border-color:var(--lavender)}.upload-zone{border:2px dashed var(--border);border-radius:var(--radius-lg);padding:2.5rem;text-align:center;cursor:pointer;transition:var(--transition);margin-bottom:1rem}.upload-zone:hover{border-color:var(--primary-mid);background:var(--primary-light)}.upload-zone-icon{font-size:2.5rem;margin-bottom:8px}.upload-zone-text{font-size:.9rem;font-weight:600;margin-bottom:4px}.upload-zone-sub{font-size:.78rem;color:var(--text3)}.admin-subject-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:1.2rem}.admin-subject-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;cursor:pointer;transition:var(--transition);position:relative}.admin-subject-card:hover{box-shadow:var(--shadow-md);transform:translateY(-3px);border-color:var(--border-hover)}.admin-subj-header{padding:1.2rem;position:relative;min-height:110px}.admin-subj-icon{font-size:2rem;margin-bottom:8px;display:block}.admin-subj-name{font-size:1rem;font-weight:700;line-height:1.3;margin-bottom:2px}.admin-subj-code{font-size:.74rem;color:var(--text2)}.admin-subj-body{padding:1rem 1.2rem}.admin-subj-meta{display:flex;gap:7px;flex-wrap:wrap;margin-bottom:10px}.admin-subj-progress-row{display:flex;justify-content:space-between;margin-bottom:5px}.admin-subj-progress-label{font-size:.74rem;color:var(--text2)}.admin-subj-progress-val{font-size:.74rem;font-weight:700}.subj-dots-btn{position:absolute;top:10px;right:10px;width:30px;height:30px;border-radius:50%;background:#ffffffb3;border:none;display:flex;align-items:center;justify-content:center;cursor:pointer;font-size:1rem;font-weight:700;color:var(--text2);transition:var(--transition);-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:10;line-height:1}.subj-dots-btn:hover{background:#fff;color:var(--text);box-shadow:var(--shadow-sm)}.subj-dots-menu{position:absolute;top:44px;right:10px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-md);box-shadow:var(--shadow-lg);z-index:200;min-width:160px;overflow:hidden;display:none}.subj-dots-menu.open{display:block;animation:scaleIn .18s ease both;transform-origin:top right}.subj-dots-item{display:flex;align-items:center;gap:10px;padding:10px 14px;font-size:.85rem;font-weight:600;cursor:pointer;transition:var(--transition);color:var(--text)}.subj-dots-item:hover{background:var(--surface2)}.subj-dots-item.danger{color:var(--red)}.subj-dots-item.danger:hover{background:var(--red-light)}.cc-wizard-wrap{max-width:1100px;margin:0 auto;padding:2rem}.cc-tabs{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:1.5rem;padding:6px;background:var(--surface2);border-radius:50px;width:fit-content}.cc-tab{display:flex;align-items:center;gap:7px;padding:9px 18px;border-radius:50px;border:none;font-family:var(--font);font-size:.84rem;font-weight:600;cursor:pointer;transition:var(--transition);background:transparent;color:var(--text2)}.cc-tab:hover{background:var(--surface);color:var(--primary)}.cc-tab.active{background:var(--lavender);color:#fff;box-shadow:0 4px 14px #8b75f54d}.cc-pane{display:none}.cc-pane.active{display:block;animation:fadeIn .3s ease both}.cc-form-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-xl);padding:2rem;max-width:700px}.cc-form-title{font-size:1.1rem;font-weight:800;margin-bottom:4px;display:flex;align-items:center;gap:8px}.cc-form-sub{font-size:.82rem;color:var(--text2);margin-bottom:1.5rem}.cc-subject-list{margin-top:1.4rem}.cc-subject-item{display:flex;align-items:center;gap:10px;padding:12px 14px;background:var(--surface2);border:1px solid var(--border);border-radius:var(--radius-md);margin-bottom:8px;cursor:pointer;transition:var(--transition)}.cc-subject-item:hover{border-color:var(--lavender-mid);background:var(--lavender-light)}.cc-subject-item.selected{border-color:var(--lavender);background:var(--lavender-light)}.cc-subject-avatar{width:40px;height:40px;border-radius:var(--radius-sm);background:linear-gradient(135deg,var(--lavender),var(--primary));display:flex;align-items:center;justify-content:center;color:#fff;font-size:1.1rem;flex-shrink:0}.cc-unit-list{display:flex;flex-direction:column;gap:10px}.cc-unit-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-md);overflow:hidden}.cc-unit-header{display:flex;align-items:center;gap:10px;padding:12px 14px;cursor:pointer;background:var(--surface2);transition:var(--transition)}.cc-unit-header:hover{background:var(--lavender-light)}.cc-unit-num{width:34px;height:34px;border-radius:50%;background:var(--lavender-light);color:var(--lavender);display:flex;align-items:center;justify-content:center;font-weight:800;font-size:.9rem;flex-shrink:0}.cc-unit-body{padding:14px;border-top:1px solid var(--border);display:none}.cc-unit-body.open{display:block}.cc-module-item{display:flex;align-items:center;gap:8px;padding:7px 10px;background:var(--surface2);border:1px solid var(--border);border-radius:var(--radius-sm);margin-bottom:5px;font-size:.83rem}.cc-module-item .module-name{flex:1;font-weight:600}.cc-content-tabs{display:flex;gap:5px;flex-wrap:wrap;margin:1.2rem 0 1rem}.cc-content-tab{display:flex;align-items:center;gap:6px;padding:7px 16px;border-radius:50px;border:1.5px solid var(--border);font-family:var(--font);font-size:.82rem;font-weight:600;cursor:pointer;transition:var(--transition);background:var(--surface);color:var(--text2)}.cc-content-tab:hover{border-color:var(--lavender-mid);color:var(--lavender)}.cc-content-tab.active{background:var(--lavender);color:#fff;border-color:var(--lavender)}.cc-content-pane{display:none}.cc-content-pane.active{display:block;animation:fadeIn .25s ease both}.cc-item-row{display:flex;align-items:center;gap:8px;padding:9px 12px;border:1px solid var(--border);border-radius:var(--radius-sm);margin-bottom:6px;font-size:.82rem;background:var(--surface)}.cc-item-row .cc-item-info{flex:1}.cc-item-row .cc-item-title{font-weight:600;margin-bottom:1px}.cc-item-row .cc-item-sub{font-size:.72rem;color:var(--text3)}body{position:relative}.video-suggest-box{background:var(--primary-light);border:1.5px solid var(--primary-mid);border-radius:var(--radius-lg);padding:1.2rem;margin-top:1.2rem}.video-suggest-title{font-size:.9rem;font-weight:700;margin-bottom:6px;display:flex;align-items:center;gap:8px}.video-suggest-desc{font-size:.78rem;color:var(--text2);margin-bottom:10px}.video-suggest-row{display:flex;gap:8px}.video-suggest-input{flex:1;padding:9px 14px;border:1.5px solid var(--primary-mid);border-radius:50px;font-family:var(--font);font-size:.85rem;outline:none;transition:var(--transition)}.video-suggest-input:focus{border-color:var(--primary);box-shadow:0 0 0 3px #4f8ef71f}.notes-viewer-modal{max-width:700px;width:95%;max-height:80vh;display:flex;flex-direction:column;padding:0}.notes-viewer-header{padding:1.2rem 1.4rem;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;flex-shrink:0}.notes-viewer-body{flex:1;overflow-y:auto;padding:1.4rem}.notes-viewer-embed{width:100%;min-height:400px;border:none;border-radius:var(--radius-md);background:var(--surface2)}.admin-sidebar{position:fixed;top:0;left:-280px;bottom:0;width:260px;background:var(--surface);border-right:1px solid var(--border);box-shadow:4px 0 24px #4f8ef714;z-index:500;display:flex;flex-direction:column;transition:left .3s cubic-bezier(.4,0,.2,1)}.admin-sidebar.open{left:0}.admin-sidebar-backdrop{position:fixed;inset:0;background:#0f172a66;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:499;opacity:0;pointer-events:none;transition:opacity .25s ease}.admin-sidebar-backdrop.open{opacity:1;pointer-events:all}.admin-sidebar-header{display:flex;align-items:center;justify-content:space-between;padding:1.2rem 1.2rem 1rem;border-bottom:1px solid var(--border)}.admin-nav-item{display:flex;align-items:center;gap:10px;padding:10px 14px;border-radius:var(--radius-sm);font-size:.88rem;font-weight:600;cursor:pointer;transition:var(--transition);color:var(--text2);margin-bottom:3px;position:relative}.admin-nav-item:hover,.admin-nav-item.active{background:var(--primary-light);color:var(--primary)}.admin-nav-badge{margin-left:auto;background:var(--amber);color:#fff;border-radius:50%;width:18px;height:18px;font-size:.65rem;font-weight:700;display:inline-flex;align-items:center;justify-content:center}.admin-main-wrap{display:flex;flex-direction:column;min-height:100vh;width:100%}@media(max-width:768px){.sidebar{width:260px}.page-content{padding:1rem}.dash-grid,.dash-row,.dash-row-3{grid-template-columns:1fr}.role-cards{flex-direction:column;align-items:center}.chat-window{width:calc(100vw - 1.5rem);right:.75rem}.topbar{padding:0 1rem}.search-bar{display:none}.admin-content{padding:1rem}.landing-header,.landing-footer,.info-header{padding-left:1rem;padding-right:1rem}.landing-footer{grid-template-columns:1fr}.info-page{padding:2.5rem 1rem}.info-grid,.contact-panel,.info-detail-grid{grid-template-columns:1fr}}.adsense-banner{margin:1.5rem auto;max-width:970px;width:90%;height:90px;background:linear-gradient(135deg,var(--primary-light) 0%,var(--lavender-light) 100%);border:2px dashed var(--primary-mid);border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden;box-shadow:var(--shadow-sm);transition:var(--transition)}.adsense-banner:before{content:"ADVERTISEMENT";position:absolute;top:8px;left:12px;font-size:.65rem;font-weight:700;color:var(--text3);letter-spacing:.12em}.adsense-banner:after{content:"Google AdSense Banner";font-size:.88rem;font-weight:700;color:var(--primary);letter-spacing:-.01em}.aimeasy-app:has(#screen-landing.active) .adsense-banner,.aimeasy-app:has(#screen-google-auth.active) .adsense-banner,.aimeasy-app:has(#screen-profile.active) .adsense-banner,.aimeasy-app:has(#screen-admin.active) .adsense-banner,.aimeasy-app:has(#screen-subadmin.active) .adsense-banner{display:none!important}.analysis-card,.streak-card,.progress-tracker{transition:var(--transition)}.card:hover,.metric-card:hover,.analysis-card:hover,.progress-tracker:hover,.subject-card:hover,.unit-card:hover,.admin-stat-card:hover,.admin-subject-card:hover,.role-card:hover{transform:none!important;border-color:var(--primary)!important;outline:2px solid var(--primary)!important;outline-offset:-2px}.card:hover{box-shadow:var(--shadow-sm)!important}.metric-card:hover,.analysis-card:hover,.progress-tracker:hover,.subject-card:hover,.unit-card:hover,.admin-stat-card:hover,.admin-subject-card:hover,.role-card:hover{box-shadow:none!important}.streak-card:hover{transform:none!important;box-shadow:none!important;border-color:#b45309!important;outline:2px solid #B45309!important;outline-offset:-2px}