@import "https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700&family=Space+Grotesk:wght@400;500;600;700&display=swap";:root{--bg-color:#0f1015;--bg-gradient:radial-gradient(circle at 50% -20%, #1a1c29, #0f1015);--card-bg:#ffffff08;--card-border:#ffffff14;--text-main:#f8fafc;--text-muted:#94a3b8;--accent-physics:#8b5cf6;--accent-chem:#ec4899;--accent-math:#3b82f6;--accent-success:#10b981;--accent-glow:#8b5cf633;--shadow-sm:0 4px 6px -1px #0000001a, 0 2px 4px -1px #0000000f;--shadow-glow:0 0 20px #8b5cf626;--bottom-nav-height:70px}*{box-sizing:border-box;margin:0;padding:0}body{color:var(--text-main);-webkit-font-smoothing:antialiased;background:0 0;min-height:100vh;font-family:Outfit,sans-serif;line-height:1.5}.universe-bg{z-index:-10;pointer-events:none;background:radial-gradient(circle,#13082b 0%,#050510 100%);width:100vw;height:100vh;transition:background .5s;position:fixed;top:0;left:0;overflow:hidden}.solid-dark-bg{z-index:-10;pointer-events:none;background:#0f1015;width:100vw;height:100vh;transition:background .5s;position:fixed;top:0;left:0;overflow:hidden}.mesh-bg{z-index:-10;pointer-events:none;background:radial-gradient(circle,#111827 0%,#030712 100%);width:100vw;height:100vh;transition:background .5s;position:fixed;top:0;left:0;overflow:hidden}.mesh-bg:before{content:"";background-image:linear-gradient(90deg,#ffffff08 1px,#0000 1px),linear-gradient(#ffffff08 1px,#0000 1px);background-size:40px 40px;width:100%;height:100%;position:absolute;top:0;left:0}.universe-bg:before,.universe-bg:after{content:"";opacity:.35;background-image:radial-gradient(1.5px 1.5px at 20px 30px,#fff,#0000),radial-gradient(2px 2px at 80px 70px,#fff,#0000),radial-gradient(1.5px 1.5px at 150px 160px,#fff,#0000),radial-gradient(2px 2px at 290px 40px,#fff,#0000),radial-gradient(1.5px 1.5px at 330px 180px,#fff,#0000),radial-gradient(2px 2px at 460px 120px,#fff,#0000);background-repeat:repeat;background-size:500px 500px;width:200vw;height:200vh;animation:120s linear infinite moveStars;position:absolute;top:0;left:0}.universe-bg:after{opacity:.5;background-image:radial-gradient(2px 2px at 10px 10px,#a5b4fc,#0000),radial-gradient(3px 3px at 150px 150px,#c4b5fd,#0000),radial-gradient(2px 2px at 60px 220px,#fff,#0000);background-size:400px 400px;animation:180s linear infinite moveStars}@keyframes moveStars{0%{transform:translateY(0)translate(0)}to{transform:translateY(-30%)translate(-20%)}}.nebula{filter:blur(90px);opacity:.35;border-radius:50%;animation:25s ease-in-out infinite alternate floatNebula;position:absolute}.nebula-1{background:var(--accent-physics);width:450px;height:450px;top:-100px;left:-100px}.nebula-2{background:var(--accent-math);width:550px;height:550px;animation-delay:-7s;bottom:-200px;right:-100px}.nebula-3{background:var(--accent-chem);opacity:.2;width:350px;height:350px;animation-delay:-12s;top:40%;left:60%}@keyframes floatNebula{0%{transform:translate(0)scale(1)}to{transform:translate(60px,120px)scale(1.15)}}h1,h2,h3,h4,h5,h6{letter-spacing:-.02em;font-family:Space Grotesk,sans-serif;font-weight:700}.glass{background:var(--card-bg);-webkit-backdrop-filter:blur(12px);border:1px solid var(--card-border);box-shadow:var(--shadow-sm);border-radius:20px}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.animate-fade-in{animation:.5s ease-out forwards fadeIn}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:var(--card-border);border-radius:10px}::-webkit-scrollbar-thumb:hover{background:#fff3}.app-layout{height:100vh;display:flex;overflow:hidden}.app-sidebar{border-right:1px solid var(--card-border);background:#0003;flex-direction:column;gap:2rem;width:280px;min-width:280px;padding:2rem 1rem;display:flex;overflow-y:auto}.brand{color:#fff;background:linear-gradient(135deg, var(--accent-physics) 0%, var(--accent-chem) 100%);-webkit-text-fill-color:transparent;filter:drop-shadow(0 0 12px #8b5cf680);white-space:nowrap;-webkit-background-clip:text;align-items:center;gap:8px;padding-left:.5rem;font-family:Space Grotesk,sans-serif;font-size:1.3rem;font-weight:700;display:flex}.nav-links{flex-direction:column;gap:8px;display:flex}.nav-item{color:var(--text-muted);cursor:pointer;border-radius:12px;align-items:center;gap:12px;padding:12px 16px;font-size:.95rem;font-weight:500;transition:all .2s;display:flex}.nav-item:hover{color:#fff;background:#ffffff0d}.nav-item.active{color:#c4b5fd;background:#8b5cf626;border:1px solid #8b5cf633}.bottom-nav{z-index:100;-webkit-backdrop-filter:blur(20px);border-top:1px solid var(--card-border);height:var(--bottom-nav-height);padding:0 4px;padding-bottom:env(safe-area-inset-bottom,0px);box-sizing:border-box;background:#0f1015f5;justify-content:space-around;align-items:center;display:none;position:fixed;bottom:0;left:0;right:0}.bottom-nav-item{color:var(--text-muted);cursor:pointer;text-align:center;-webkit-user-select:none;user-select:none;border-radius:10px;flex-direction:column;flex:1;justify-content:center;align-items:center;gap:3px;min-width:0;padding:6px 2px;font-size:.62rem;font-weight:600;transition:all .2s;display:flex}.bottom-nav-item.active{color:#c4b5fd;background:#8b5cf626}.bottom-nav-item svg{flex-shrink:0}.mobile-header{border-bottom:1px solid var(--card-border);z-index:50;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#0000004d;justify-content:space-between;align-items:center;padding:1rem 1.25rem;display:none;position:sticky;top:0}.mobile-brand{background:linear-gradient(135deg, var(--accent-physics) 0%, var(--accent-chem) 100%);-webkit-text-fill-color:transparent;-webkit-background-clip:text;align-items:center;gap:6px;font-family:Space Grotesk,sans-serif;font-size:1.1rem;font-weight:700;display:flex}.mobile-xp-badge{color:var(--accent-success);background:#10b9811a;border:1px solid #10b98133;border-radius:100px;padding:4px 10px;font-size:.8rem;font-weight:700}.main-content{flex:1;min-width:0;padding:2rem;overflow-y:auto}.page-header{margin-bottom:2rem}.greeting{background:linear-gradient(135deg,#fff 0%,#a5b4fc 100%);-webkit-text-fill-color:transparent;filter:drop-shadow(0 0 15px #a5b4fc4d);-webkit-background-clip:text;margin-bottom:.5rem;font-size:2.5rem}.subtitle{color:var(--text-muted);font-size:1.1rem}.dashboard-grid{grid-template-columns:1fr 350px;gap:2rem;display:grid}.progress-section{margin-bottom:2rem;padding:1.5rem}.hidden-tab{display:none!important}.pip-mode{transition:all .3s cubic-bezier(.175,.885,.32,1.275);z-index:9999!important;pointer-events:auto!important;border-radius:14px!important;width:320px!important;max-width:90vw!important;height:auto!important;position:fixed!important;bottom:24px!important;left:auto!important;right:24px!important;overflow:visible!important;box-shadow:0 16px 50px #000000d9,0 0 0 1px #ffffff1a!important}@media (width<=768px){.pip-mode{border-radius:10px!important;width:200px!important;bottom:84px!important;left:auto!important;right:14px!important}}.pip-mode .lecture-main-grid,.pip-mode .lecture-left-col{gap:0!important;margin:0!important;padding:0!important;display:block!important}.pip-mode .lecture-video-container{background:#000!important;border:1px solid #ffffff26!important;border-radius:12px!important;margin:0!important;padding:0!important;box-shadow:0 8px 30px #0009!important}.pip-mode .video-header-controls,.pip-mode .active-learning-banner,.pip-mode .lecture-stats-grid,.pip-mode .lecture-notes-section,.pip-mode .lecture-add-form,.pip-mode .lecture-playlist-section,.pip-mode .lecture-empty-state{display:none!important}.pip-close-btn{display:none}.pip-mode .pip-close-btn{color:#fff;cursor:pointer;z-index:1001;background:#ef4444;border:2px solid #fff;border-radius:50%;justify-content:center;align-items:center;width:32px;height:32px;transition:transform .2s;position:absolute;top:-12px;right:-12px;box-shadow:0 4px 12px #ef444499;display:flex!important}.pip-mode .pip-close-btn:hover{transform:scale(1.1)}.pip-expand-overlay{display:none}.pip-mode .pip-expand-overlay{opacity:0;color:#fff;cursor:pointer;z-index:1000;background:#00000080;justify-content:center;align-items:center;transition:opacity .2s;position:absolute;inset:0;display:flex!important}.pip-mode .pip-expand-overlay:hover{opacity:1}.progress-header{justify-content:space-between;align-items:center;margin-bottom:1rem;display:flex}.progress-title{align-items:center;gap:8px;font-size:1.25rem;display:flex}.progress-percentage{color:var(--accent-success);font-weight:600}.progress-bar-bg{background:#ffffff12;border-radius:10px;height:10px;overflow:hidden;box-shadow:inset 0 1px 4px #0000004d}.progress-bar-fill{background:linear-gradient(90deg,#8b5cf6,#3b82f6,#10b981) 0 0/200% 100%;border-radius:10px;min-width:4px;height:100%;transition:width .8s cubic-bezier(.4,0,.2,1);animation:3s ease-in-out infinite progress-shimmer;box-shadow:0 0 12px #8b5cf680}@keyframes progress-shimmer{0%{background-position:0%}50%{background-position:100%}to{background-position:0%}}.add-task-form{flex-wrap:wrap;align-items:center;gap:12px;margin-bottom:1.5rem;padding:1.5rem;display:flex}.input-field{border:1px solid var(--card-border);color:#fff;background:#0003;border-radius:12px;outline:none;flex:1;min-width:120px;padding:12px 16px;font-family:inherit;font-size:1rem;transition:border-color .2s}.input-field:focus{border-color:var(--accent-physics)}select.input-field{color:#f8fafc;cursor:pointer;background-color:#0f172a;flex:none;min-width:130px}select.input-field option{padding:8px 12px;color:#f8fafc!important;background-color:#0f172a!important}.btn-primary{background:var(--accent-physics);color:#fff;cursor:pointer;box-shadow:var(--shadow-glow);white-space:nowrap;border:1px solid #ffffff1a;border-radius:12px;justify-content:center;align-items:center;gap:8px;padding:12px 20px;font-family:inherit;font-size:.95rem;font-weight:600;transition:all .2s;display:inline-flex}.btn-primary:hover{filter:brightness(1.1);transform:translateY(-2px)}.btn-primary:active{transform:translateY(0)}.checkbox-wrapper{cursor:pointer;-webkit-user-select:none;user-select:none;align-items:center;gap:12px;display:flex;position:relative}.checkbox-wrapper input{opacity:0;cursor:pointer;width:0;height:0;position:absolute}.checkmark{border:1px solid var(--card-border);background-color:#ffffff0d;border-radius:6px;justify-content:center;align-items:center;width:22px;min-width:22px;height:22px;transition:all .2s;display:flex}.checkbox-wrapper:hover input~.checkmark{background-color:#ffffff1a}.checkbox-wrapper input:checked~.checkmark{background-color:var(--accent-success);border-color:var(--accent-success);box-shadow:0 0 10px #10b9814d}.checkmark svg{color:#fff;opacity:0;width:14px;height:14px;transition:all .2s;transform:scale(.5)}.checkbox-wrapper input:checked~.checkmark svg{opacity:1;transform:scale(1)}.checkbox-text{flex:1;min-width:0;font-size:1rem;transition:all .2s}.checkbox-wrapper input:checked~.checkbox-text{color:var(--text-muted);text-decoration:line-through}.subjects-grid{flex-direction:column;gap:1.5rem;display:flex}.subject-card{padding:1.5rem}.subject-header{cursor:pointer;justify-content:space-between;align-items:center;margin-bottom:1rem;display:flex}.subject-info{align-items:center;gap:12px;display:flex}.subject-icon{border-radius:12px;justify-content:center;align-items:center;width:40px;min-width:40px;height:40px;display:flex}.subject-title{font-size:1.25rem;font-weight:600}.subject-stats{color:var(--text-muted);font-size:.875rem}.toggle-btn{color:var(--text-muted);cursor:pointer;background:0 0;border:none;border-radius:8px;flex-shrink:0;padding:8px;transition:all .2s}.toggle-btn:hover{color:var(--text-main);background:#ffffff0d}.toggle-btn.expanded{transform:rotate(180deg)}.tasks-list{flex-direction:column;gap:12px;margin-top:1rem;padding-left:52px;display:flex}.task-item{background:#0003;border:1px solid #0000;border-radius:12px;padding:12px}.task-item:hover{border-color:var(--card-border);background:#ffffff05}.tag{color:#cbd5e1;background:#ffffff1a;border-radius:100px;margin-left:8px;padding:2px 8px;font-size:.75rem}.right-sidebar{flex-direction:column;gap:2rem;display:flex}.timer-card{text-align:center;padding:2rem}.timer-display{background:linear-gradient(135deg, var(--accent-physics), var(--accent-chem));-webkit-text-fill-color:transparent;filter:drop-shadow(0 0 5px #8b5cf626);-webkit-background-clip:text;margin:1.5rem 0;font-family:Space Grotesk,monospace;font-size:4rem;font-weight:700;line-height:1}.timer-controls{justify-content:center;gap:12px;display:flex}.btn-icon{border:1px solid var(--card-border);color:#fff;cursor:pointer;background:#ffffff1a;border-radius:12px;justify-content:center;align-items:center;padding:10px;transition:all .2s;display:inline-flex}.btn-icon:hover{background:#ffffff26;transform:translateY(-1px)}.journal-layout{grid-template-columns:1fr 1fr;gap:2rem;display:grid}.journal-card{flex-direction:column;gap:1rem;padding:2rem;display:flex}.journal-textarea{border:1px solid var(--card-border);color:#fff;resize:vertical;background:#0003;border-radius:12px;outline:none;width:100%;min-height:200px;padding:1rem;font-family:inherit;font-size:1rem}.journal-textarea:focus{border-color:var(--accent-physics)}.history-card{margin-top:2rem;padding:1.5rem}.history-entry{border-left:2px solid var(--card-border);margin-bottom:1.5rem;padding-left:1rem}.history-date{color:var(--text-muted);margin-bottom:.5rem;font-size:.875rem}.history-text{font-size:.95rem;line-height:1.6}.community-layout{grid-template-columns:1fr 300px;gap:2rem;display:grid}.feed-card{padding:1.5rem}.feed-item{border-bottom:1px solid var(--card-border);gap:1rem;padding:1.25rem;display:flex}.feed-item:last-child{border-bottom:none}.feed-avatar{background:var(--accent-physics);border-radius:50%;justify-content:center;align-items:center;width:40px;min-width:40px;height:40px;font-weight:700;display:flex}.feed-content h4{flex-wrap:wrap;align-items:center;gap:8px;margin-bottom:4px;font-size:1rem;display:flex}.feed-time{color:var(--text-muted);font-size:.75rem;font-weight:400}.feed-action{color:#cbd5e1;font-size:.95rem}.leaderboard-card{padding:1.5rem}.leaderboard-list{flex-direction:column;gap:12px;margin-top:1rem;display:flex}.leaderboard-item{background:#0003;border-radius:10px;align-items:center;gap:12px;padding:10px;display:flex}.rank{text-align:center;width:24px;color:var(--text-muted);font-weight:700}.rank-1{color:#fbbf24}.rank-2{color:#94a3b8}.rank-3{color:#b45309}.leaderboard-name{flex:1;font-size:.9rem;font-weight:500}.leaderboard-score{color:var(--accent-success);font-family:monospace;font-size:.9rem;font-weight:600}.auth-wrapper,.onboarding-wrapper{justify-content:center;align-items:center;min-height:100vh;padding:1.5rem;display:flex}.auth-card,.onboarding-card{flex-direction:column;align-items:center;width:100%;max-width:450px;padding:3rem 2.5rem;display:flex}.onboarding-card{max-width:800px}.auth-form{flex-direction:column;gap:1rem;width:100%;display:flex}.input-group{width:100%;position:relative}.input-icon{color:var(--text-muted);position:absolute;top:50%;left:14px;transform:translateY(-50%)}.input-field.with-icon{width:100%;padding-left:42px}.auth-error{color:#ef4444;text-align:center;margin-top:5px;font-size:.9rem}.auth-toggle{color:var(--text-muted);text-align:center;margin-top:1.5rem;font-size:.95rem}.auth-toggle span{color:var(--accent-physics);cursor:pointer;font-weight:600;transition:color .2s}.auth-toggle span:hover{color:#a78bfa}.onboard-grid{flex-direction:column;gap:2.5rem;width:100%;display:flex}.onboard-step h3{color:#fff;margin-bottom:1rem;font-size:1.1rem}.exam-options{flex-wrap:wrap;justify-content:center;gap:1.5rem;width:100%;display:flex}.exam-btn{border:1px solid var(--card-border);color:#fff;cursor:pointer;background:#ffffff0d;border-radius:16px;flex-direction:column;align-items:center;gap:12px;width:calc(33.333% - 1rem);min-width:120px;padding:2rem;font-family:inherit;font-size:1.1rem;font-weight:600;transition:all .2s;display:flex}.exam-btn:hover{border-color:var(--accent-physics);background:#8b5cf633;transform:translateY(-2px)}.exam-btn.selected{background:var(--accent-physics);box-shadow:var(--shadow-glow);border-color:#fff3}.xp-toast{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);color:#fff;z-index:9999;background:#10b98126;border:1px solid #10b9814d;border-radius:12px;align-items:center;gap:12px;max-width:calc(100vw - 40px);padding:12px 20px;animation:3s ease-in-out forwards toastFadeInOut;display:flex;position:fixed;bottom:30px;right:20px;box-shadow:0 4px 20px #0000004d,0 0 15px #10b98133}.xp-amount{color:var(--accent-success);font-size:1.2rem;font-weight:800}.xp-reason{color:var(--text-main);font-size:.95rem}@keyframes slideInUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes pulse{0%{box-shadow:0 0 #10b98166}70%{box-shadow:0 0 0 6px #10b98100}to{box-shadow:0 0 #10b98100}}.community-reddit-layout{grid-template-columns:220px minmax(0,1fr) 280px;align-items:start;gap:1.5rem;display:grid}.community-left-sidebar{flex-direction:column;gap:.5rem;display:flex;position:sticky;top:1rem}.subreddit-item{cursor:pointer;color:var(--text-muted);border-radius:12px;align-items:center;gap:12px;padding:10px 14px;font-size:.95rem;font-weight:600;transition:all .2s;display:flex}.subreddit-item:hover{color:#fff;background:#ffffff0d}.subreddit-item.active{color:var(--accent-physics);background:#8b5cf626;border:1px solid #8b5cf64d}.subreddit-icon{background:#111;border:1px solid #ffffff1a;border-radius:50%;justify-content:center;align-items:center;width:28px;height:28px;font-size:.75rem;display:flex}.community-feed-col{flex-direction:column;gap:1rem;display:flex}.community-sidebar-col{flex-direction:column;gap:1.5rem;display:flex;position:sticky;top:1rem}.upvote-btn{color:var(--text-muted);cursor:pointer;background:#ffffff0d;border:1px solid #0000;border-radius:100px;align-items:center;gap:6px;padding:6px 12px;font-size:.85rem;font-weight:700;transition:all .2s;display:flex}.upvote-btn:hover{background:#ffffff1a}.upvote-btn.liked{color:#ef4444;background:#ef444426;border-color:#ef44444d}.tweet-compose{border-bottom:none;border-radius:20px 20px 0 0;margin-bottom:0;padding:1.25rem 1.5rem}.tweet-compose-input{color:#fff;resize:none;placeholder-color:var(--text-muted);background:0 0;border:none;outline:none;width:100%;font-family:inherit;font-size:1rem;line-height:1.5}.tweet-card{background:#ffffff08;border:1px solid #ffffff14;border-radius:20px;margin-bottom:1.25rem;padding:1.5rem;transition:all .3s;box-shadow:0 4px 15px #0003}.tweet-card:hover{background:#ffffff0d;border-color:#8b5cf64d;transform:translateY(-2px);box-shadow:0 8px 25px #8b5cf626}.tweet-avatar{color:#fff;border-radius:50%;justify-content:center;align-items:center;width:42px;min-width:42px;height:42px;font-size:1.1rem;font-weight:800;transition:opacity .2s;display:flex}.tweet-avatar:hover{opacity:.85}.tweet-username{cursor:pointer;color:#fff;font-size:.95rem;font-weight:700;transition:color .2s}.tweet-username:hover{color:var(--accent-physics)}.tweet-body{color:#e2e8f0;word-break:break-word;margin:8px 0 10px;font-size:.95rem;line-height:1.6}.tweet-actions{gap:1.5rem;margin-top:4px;display:flex}.tweet-action-btn{color:var(--text-muted);cursor:pointer;background:0 0;border:none;border-radius:8px;align-items:center;gap:6px;padding:4px 8px;font-family:inherit;font-size:.85rem;font-weight:500;transition:all .2s;display:flex}.tweet-action-btn:hover{color:#fff;background:#ffffff0f}.tweet-action-btn.liked{color:#f87171}.lectures-main-grid{grid-template-columns:minmax(0,1fr) 340px}@media (width<=1100px){.dashboard-grid{grid-template-columns:1fr 300px}}@media (width<=900px){.dashboard-grid,.community-layout,.journal-layout{grid-template-columns:1fr}}@media (width<=768px){.app-sidebar{display:none}.bottom-nav,.mobile-header{display:flex}.app-layout{flex-direction:column}.main-content{padding:1rem;padding-bottom:calc(var(--bottom-nav-height) + 1rem)}.greeting{font-size:1.75rem}.subtitle{font-size:.95rem}.page-header{margin-bottom:1.25rem}.add-task-form{flex-direction:column;align-items:stretch;padding:1rem}.add-task-form .input-field,.add-task-form select.input-field{flex:unset;width:100%}.add-task-form .btn-primary{width:100%;padding:14px}.subject-card{padding:1rem}.tasks-list{padding-left:20px}.timer-display{font-size:3rem}.timer-card{padding:1.25rem}.auth-card,.onboarding-card{padding:2rem 1.5rem}.onboarding-card{max-width:100%}.exam-btn{width:calc(50% - .75rem);padding:1.25rem}.feed-card,.feed-item{padding:1rem}.xp-toast{bottom:calc(var(--bottom-nav-height) + 12px);right:12px}.connect-rooms-grid{grid-template-columns:1fr!important}.community-reddit-layout{grid-template-columns:1fr}.community-sidebar-col,.community-left-sidebar{position:static}.lectures-main-grid{grid-template-columns:1fr!important}.progress-section{padding:1rem}}@media (width<=480px){.greeting{font-size:1.5rem}.exam-btn{width:100%}.timer-display{font-size:2.5rem}.btn-primary{padding:11px 16px;font-size:.9rem}.subject-title{font-size:1.1rem}.auth-card{padding:1.75rem 1.25rem}}@keyframes spinSlow{to{transform:rotate(360deg)}}.pwa-backdrop{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:9998;background:#00000073;animation:.3s fadeIn;position:fixed;inset:0}.pwa-install-sheet{z-index:9999;background:linear-gradient(145deg,#1a1c2e,#111320);border-top:1px solid #8b5cf64d;border-radius:24px 24px 0 0;padding:0 1.25rem 2rem;animation:.4s cubic-bezier(.34,1.56,.64,1) slideUp;position:fixed;bottom:0;left:0;right:0;box-shadow:0 -10px 60px #0009,0 -1px #8b5cf633}@keyframes slideUp{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.pwa-handle{background:#fff3;border-radius:3px;width:48px;height:5px;margin:14px auto 18px}.pwa-sheet-content{max-width:480px;margin:0 auto;position:relative}.pwa-close-btn{color:var(--text-muted);cursor:pointer;background:#ffffff12;border:1px solid #ffffff1a;border-radius:50%;justify-content:center;align-items:center;width:34px;height:34px;transition:all .2s;display:flex;position:absolute;top:0;right:0}.pwa-close-btn:hover{color:#fff;background:#ffffff26}.pwa-app-info{align-items:flex-start;gap:1rem;margin-bottom:1.5rem;padding-right:2.5rem;display:flex}.pwa-app-icon{object-fit:cover;border:2px solid #8b5cf666;border-radius:16px;flex-shrink:0;width:64px;height:64px;box-shadow:0 4px 20px #8b5cf64d}.pwa-app-text{flex:1}.pwa-app-name{color:var(--text-main);margin-bottom:.25rem;font-size:1.15rem;font-weight:700}.pwa-app-desc{color:var(--text-muted);margin-bottom:.25rem;font-size:.8rem}.pwa-remind-count{color:#8b5cf6b3;letter-spacing:.3px;margin-bottom:.5rem;font-size:.7rem;font-weight:500}.pwa-badges{flex-wrap:wrap;gap:.4rem;display:flex}.pwa-badge{color:#c4b5fd;background:#8b5cf626;border:1px solid #8b5cf640;border-radius:20px;padding:3px 8px;font-size:.7rem}.pwa-cta-row{align-items:center;gap:1rem;display:flex}.pwa-install-btn{color:#fff;cursor:pointer;letter-spacing:.3px;background:linear-gradient(135deg,#8b5cf6,#6366f1);border:none;border-radius:14px;flex:1;justify-content:center;align-items:center;gap:.5rem;padding:14px 24px;font-size:1rem;font-weight:700;transition:all .2s;display:flex;box-shadow:0 4px 20px #8b5cf666}.pwa-install-btn:hover{transform:translateY(-2px);box-shadow:0 8px 30px #8b5cf68c}.pwa-install-btn:active{transform:translateY(0)}.pwa-dismiss-link{color:var(--text-muted);cursor:pointer;text-underline-offset:2px;white-space:nowrap;background:0 0;border:none;padding:6px;font-size:.85rem;text-decoration:underline;transition:color .2s}.pwa-dismiss-link:hover{color:var(--text-main)}.pwa-ios-steps{background:#ffffff0a;border:1px solid #ffffff14;border-radius:14px;padding:1rem 1.1rem}.pwa-ios-title{color:var(--text-main);margin-bottom:.75rem;font-size:.9rem;font-weight:600}.pwa-ios-step{color:var(--text-muted);align-items:center;gap:.75rem;margin-bottom:.6rem;font-size:.85rem;line-height:1.4;display:flex}.pwa-ios-step strong{color:var(--text-main)}.pwa-step-num{color:#fff;background:linear-gradient(135deg,#8b5cf6,#6366f1);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:22px;height:22px;font-size:.7rem;font-weight:700;display:flex}.pwa-ios-steps .pwa-dismiss-link{text-align:center;width:100%;margin-top:.75rem;display:block}@keyframes typingBounce{0%,60%,to{opacity:.6;transform:translateY(0)}30%{opacity:1;transform:translateY(-4px)}}.typing-dot{background:#fff;border-radius:50%;width:6px;height:6px;animation:1.4s ease-in-out infinite both typingBounce}@keyframes spin-slow{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.spin-slow{animation:4s linear infinite spin-slow}.floating-ai-wrapper{bottom:20px;right:20px}@media (width<=768px){.floating-ai-wrapper{bottom:calc(var(--bottom-nav-height) + 20px)!important;right:15px!important}}html,body,.app-layout{width:100%;overflow-x:hidden}@keyframes bounce-streak{0%,to{transform:translateY(0)}50%{transform:translateY(-20px)}}.pip-mode .lecture-video-container{overflow:visible!important}.pip-mode .pip-close-btn{z-index:10000!important;width:36px!important;height:36px!important;top:-10px!important;right:-10px!important}*{box-sizing:border-box}textarea{box-sizing:border-box;max-width:100%}.chat-msg-wrapper .delete-msg-btn{opacity:0;transform:scale(.8)}.chat-msg-wrapper:hover .delete-msg-btn{opacity:1;transform:scale(1)}.delete-msg-btn:hover{background:#ef444433!important}@media (width<=768px){.chat-msg-wrapper .delete-msg-btn{opacity:1;transform:scale(1)}}@keyframes toastFadeInOut{0%{opacity:0;transform:translateY(20px)}10%{opacity:1;transform:translateY(0)}85%{opacity:1;transform:translateY(0)}to{opacity:0;transform:translateY(20px)}}.peer-item:hover{background:#ffffff0d!important}.peer-item.active{background:#ffffff1a!important;border:1px solid #ffffff26!important}.custom-scrollbar::-webkit-scrollbar{width:6px}.custom-scrollbar::-webkit-scrollbar-track{background:0 0}.custom-scrollbar::-webkit-scrollbar-thumb{background:#ffffff1a;border-radius:10px}.custom-scrollbar::-webkit-scrollbar-thumb:hover{background:#fff3}.planner-day-card:hover{transform:translateY(-4px);border-color:#ffffff26!important;box-shadow:0 10px 30px #0000004d!important}.planner-task-item:hover{transform:translate(4px);background:#ffffff14!important;border-color:#ffffff1a!important}.planner-task-delete:hover{transform:scale(1.1);background:#ef444433!important}.glass{transition:transform .3s cubic-bezier(.4,0,.2,1),box-shadow .3s cubic-bezier(.4,0,.2,1),border-color .3s,background .3s}.subject-card{transition:transform .3s cubic-bezier(.4,0,.2,1),box-shadow .3s cubic-bezier(.4,0,.2,1)!important}.subject-card:hover{transform:translateY(-4px);box-shadow:0 12px 40px #0006;border-color:#ffffff26!important}.btn-primary,.btn-icon{transition:transform .2s cubic-bezier(.4,0,.2,1),background .2s,box-shadow .2s!important}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 25px #8b5cf666!important}.btn-primary:active,.btn-icon:active{transform:scale(.95)}.nav-item{transition:transform .2s cubic-bezier(.4,0,.2,1),background .2s,color .2s!important}.nav-item:hover{transform:translate(4px)}.welcome-container{background:0 0;justify-content:center;align-items:center;min-height:100vh;padding:2rem;display:flex;overflow:hidden}.welcome-step{text-align:center;flex-direction:column;align-items:center;width:100%;max-width:600px;display:flex}.welcome-title{background:linear-gradient(135deg,#fff 0%,#c4b5fd 100%);-webkit-text-fill-color:transparent;filter:drop-shadow(0 0 20px #8b5cf666);-webkit-background-clip:text;margin-bottom:1rem;font-size:4rem;font-weight:800;line-height:1.1}.welcome-subtitle{color:var(--text-muted);margin-bottom:2.5rem;font-size:1.25rem}.btn-glow{background:linear-gradient(135deg, var(--accent-physics), var(--accent-math));color:#fff;cursor:pointer;border:none;border-radius:100px;align-items:center;gap:12px;padding:16px 32px;font-size:1.1rem;font-weight:700;transition:box-shadow .3s;display:inline-flex;box-shadow:0 0 20px #8b5cf666}.btn-glow:hover{box-shadow:0 0 30px #8b5cf699}.login-link{color:var(--text-muted);cursor:pointer;margin-top:1.5rem;transition:color .2s}.login-link:hover{color:#fff}.features-grid{grid-template-columns:repeat(3,1fr);gap:1.5rem;width:100%;margin-bottom:3rem;display:grid}.feature-item{background:#ffffff08;border:1px solid #ffffff0d;border-radius:20px;flex-direction:column;align-items:center;gap:1rem;padding:1.5rem;display:flex}.feature-item h3{color:#fff;font-size:1.1rem}.feature-item p{color:var(--text-muted);font-size:.85rem}.button-group{align-items:center;gap:1rem;display:flex}.btn-secondary{color:#fff;cursor:pointer;background:#ffffff0d;border:1px solid #ffffff1a;border-radius:100px;padding:16px 32px;font-size:1.1rem;font-weight:700;transition:all .2s}.btn-secondary:hover{background:#ffffff1a}.setup-form{flex-direction:column;align-items:center;gap:2rem;width:100%;display:flex}.welcome-input{color:#fff;text-align:center;background:#0003;border:2px solid #ffffff1a;border-radius:16px;outline:none;width:100%;max-width:400px;padding:20px;font-size:1.2rem;transition:border-color .3s}.welcome-input:focus{border-color:var(--accent-physics)}.exam-selection{flex-wrap:wrap;justify-content:center;gap:1rem;display:flex}.exam-pill{color:#fff;cursor:pointer;background:#ffffff0d;border:1px solid #ffffff1a;border-radius:100px;padding:12px 24px;font-size:1rem;font-weight:600;transition:all .2s}.exam-pill.active{background:var(--accent-physics);border-color:var(--accent-physics);box-shadow:0 0 15px #8b5cf666}.study-universe-bg{z-index:-5;pointer-events:none;width:100vw;height:100vh;position:absolute;top:0;left:0;overflow:hidden}.su-floating{color:#ffffff26;animation:20s ease-in-out infinite alternate suFloat;position:absolute}.su-icon-1{color:#8b5cf633;animation-delay:0s;top:10%;left:15%}.su-icon-2{color:#ec489933;animation-delay:-5s;top:20%;right:20%}.su-icon-3{color:#3b82f633;animation-delay:-10s;bottom:25%;left:10%}.su-icon-4{color:#10b98133;animation-delay:-15s;bottom:15%;right:15%}.su-icon-5{color:#fbbf2433;animation-delay:-7s;top:40%;left:80%}.su-icon-6{color:#8b5cf633;animation-delay:-12s;top:70%;left:30%}.su-icon-7{color:#ec489933;animation-delay:-3s;top:50%;left:5%}@keyframes suFloat{0%{transform:translateY(0)rotate(0)scale(1)}50%{transform:translateY(-40px)rotate(10deg)scale(1.1)}to{transform:translateY(20px)rotate(-10deg)scale(.9)}}.su-orb{filter:blur(80px);opacity:.4;border-radius:50%;animation:25s ease-in-out infinite alternate suOrbFloat;position:absolute}.su-orb-1{background:#8b5cf6;width:400px;height:400px;top:-100px;left:-100px}.su-orb-2{background:#3b82f6;width:500px;height:500px;animation-delay:-10s;bottom:-150px;right:-150px}.su-orb-3{opacity:.2;background:#ec4899;width:300px;height:300px;animation-delay:-5s;top:50%;left:50%;transform:translate(-50%,-50%)}@keyframes suOrbFloat{0%{transform:translate(0)scale(1)}to{transform:translate(100px,50px)scale(1.2)}}.premium-loader-overlay{-webkit-backdrop-filter:blur(16px);z-index:10;background:#0f172a99;border-radius:12px;justify-content:center;align-items:center;display:flex;position:absolute;inset:0;overflow:hidden}.premium-loader-container{z-index:11;flex-direction:column;align-items:center;gap:20px;display:flex;position:relative}.premium-loader-orb{background:conic-gradient(from 0deg, var(--accent-physics), var(--accent-math), var(--accent-chem), var(--accent-physics));border-radius:50%;justify-content:center;align-items:center;width:70px;height:70px;animation:3s linear infinite spin-gradient;display:flex;position:relative;box-shadow:0 0 30px #8b5cf680,inset 0 0 15px #000c}.premium-loader-orb:before{content:"";background:inherit;filter:blur(15px);opacity:.6;z-index:-1;border-radius:50%;animation:2s ease-in-out infinite pulse-orb;position:absolute;inset:-10px}.premium-loader-orb:after{content:"";background:#0f172a;border-radius:50%;position:absolute;inset:5px}.premium-loader-icon{z-index:2;color:#fff;animation:3s ease-in-out infinite float-icon;position:relative}.premium-loader-text{letter-spacing:3px;text-transform:uppercase;background:linear-gradient(90deg,#c084fc,#60a5fa,#34d399) 0 0/200%;-webkit-text-fill-color:transparent;-webkit-background-clip:text;font-size:1.2rem;font-weight:800;animation:3s linear infinite shimmer-text}.premium-loader-progress-container{background:#ffffff1a;border-radius:4px;width:200px;height:4px;margin-top:10px;position:relative;overflow:hidden}.premium-loader-progress-bar{background:linear-gradient(90deg, var(--accent-physics), var(--accent-chem));border-radius:4px;width:50%;height:100%;animation:1.5s ease-in-out infinite alternate loading-progress;position:absolute;top:0;left:0}@keyframes spin-gradient{to{transform:rotate(360deg)}}@keyframes pulse-orb{0%,to{opacity:.5;transform:scale(1)}50%{opacity:.8;transform:scale(1.1);box-shadow:0 0 50px #ec489999}}@keyframes float-icon{0%,to{transform:translateY(0)}50%{transform:translateY(-4px)}}@keyframes shimmer-text{to{background-position:200%}}@keyframes loading-progress{0%{width:50%;transform:translate(-100%)}to{width:50%;transform:translate(200%)}}.stars-container{z-index:-4;position:absolute;inset:0;overflow:hidden}.stars{opacity:.5;background:0 0;width:2px;height:2px;animation:150s linear infinite animStar;box-shadow:100px 50px #fff,300px 200px #fff,500px 100px #fff,700px 300px #fff,900px 150px #fff,1200px 400px #fff,1500px 200px #fff,1800px 600px #fff,200px 700px #fff,400px 800px #fff,600px 600px #fff,800px 800px #fff,1000px 700px #fff,1300px 900px #fff,1600px 750px #fff,1900px 950px #fff}.stars2{opacity:.3;background:0 0;width:3px;height:3px;animation:200s linear infinite animStar;box-shadow:50px 100px #fff,250px 300px #fff,450px 500px #fff,650px 100px #fff,850px 300px #fff,1150px 500px #fff,1450px 100px #fff,1750px 300px #fff,150px 600px #fff,350px 900px #fff,550px 700px #fff,750px 950px #fff,950px 600px #fff,1250px 850px #fff,1550px 650px #fff,1850px 800px #fff}@keyframes animStar{0%{transform:translateY(0)}to{transform:translateY(-1000px)}}.hero-title-wrap{white-space:nowrap!important;display:inline-block!important}@media (width<=640px){.hero-title-wrap{white-space:nowrap!important;letter-spacing:-.8px!important;word-break:normal!important;font-size:clamp(1.6rem,7.2vw,2.8rem)!important;line-height:1.15!important}.landing-pill-nav{gap:0!important;max-width:calc(100vw - 20px)!important;padding:6px 14px!important}.landing-pill-nav .nav-links-group{display:none!important}.nav-login-btn{padding:5px 14px!important;font-size:.85rem!important}.landing-cta-btns{flex-flow:wrap!important;justify-content:center!important;gap:12px!important;width:100%!important;padding:0 1rem!important;display:flex!important}.landing-cta-btns button{border-radius:50px!important;flex:140px!important;justify-content:center!important;min-width:130px!important;max-width:220px!important;padding:14px 18px!important;font-size:.95rem!important}}@media (width<=380px){.hero-title-wrap{white-space:nowrap!important;letter-spacing:-.4px!important;font-size:clamp(1.35rem,6.8vw,1.7rem)!important}}.quiz-panel{background:linear-gradient(145deg,#0f172afa,#050714f7);border:1px solid #8b5cf640;border-radius:24px;margin-top:1.5rem;padding:2rem;animation:.4s fadeIn;position:relative;overflow:hidden}.quiz-panel:before{content:"";pointer-events:none;background:radial-gradient(circle,#8b5cf626,#0000);border-radius:50%;width:200px;height:200px;position:absolute;top:-60px;right:-60px}.quiz-option-btn{text-align:left;color:#fff;cursor:pointer;background:#ffffff08;border:1.5px solid #ffffff14;border-radius:14px;align-items:flex-start;gap:12px;width:100%;padding:14px 18px;font-family:Outfit,sans-serif;font-size:.95rem;font-weight:500;line-height:1.4;transition:all .22s cubic-bezier(.4,0,.2,1);display:flex}.quiz-option-btn:hover{background:#8b5cf614;border-color:#8b5cf680;transform:translate(4px)}.quiz-option-btn.correct{color:#34d399;background:#10b9811f;border-color:#10b981;box-shadow:0 0 15px #10b98133}.quiz-option-btn.wrong{color:#f87171;background:#ef44441a;border-color:#ef4444;box-shadow:0 0 10px #ef444426}.quiz-option-btn.disabled{cursor:default;pointer-events:none}.quiz-option-btn.reveal{color:#c4b5fd;background:#8b5cf614;border-color:#8b5cf666}.quiz-progress-track{background:#ffffff12;border-radius:6px;width:100%;height:6px;margin-bottom:1.5rem;overflow:hidden}.quiz-progress-fill{background:linear-gradient(90deg,#8b5cf6,#ec4899);border-radius:6px;height:100%;transition:width .5s cubic-bezier(.4,0,.2,1)}.active-learning-badge{color:#c4b5fd;letter-spacing:.5px;text-transform:uppercase;background:linear-gradient(135deg,#8b5cf633,#ec489926);border:1px solid #8b5cf666;border-radius:100px;align-items:center;gap:6px;padding:3px 10px;font-size:.7rem;font-weight:800;display:inline-flex}.lecture-ai-tab{cursor:pointer;white-space:nowrap;border:none;border-radius:100px;align-items:center;gap:6px;padding:8px 16px;font-family:Outfit,sans-serif;font-size:.85rem;font-weight:700;transition:all .2s cubic-bezier(.4,0,.2,1);display:flex}.lecture-ai-tab.active{color:#fff;background:linear-gradient(135deg,#8b5cf6,#ec4899);box-shadow:0 4px 15px #8b5cf666}.lecture-ai-tab:not(.active){color:#94a3b8;background:#ffffff0d}.lecture-ai-tab:not(.active):hover{color:#fff;background:#ffffff1a}.flashcard-container{perspective:1200px;width:100%}.flashcard-inner{width:100%;min-height:160px;transform-style:preserve-3d;transition:transform .5s cubic-bezier(.4,0,.2,1);position:relative}.flashcard-inner.flipped{transform:rotateY(180deg)}.flashcard-face{backface-visibility:hidden;text-align:center;cursor:pointer;border-radius:18px;justify-content:center;align-items:center;min-height:160px;padding:1.5rem;display:flex;position:absolute;inset:0}.flashcard-front{background:linear-gradient(135deg,#8b5cf626,#3b82f61a);border:1.5px solid #8b5cf64d}.flashcard-back{background:linear-gradient(135deg,#10b98126,#06b6d41a);border:1.5px solid #10b9814d;transform:rotateY(180deg)}@keyframes generating-pulse{0%,to{opacity:.4;transform:scale(1)}50%{opacity:1;transform:scale(1.05)}}.generating-dot{border-radius:50%;width:8px;height:8px;animation:1.2s ease-in-out infinite generating-pulse}.generating-dot:nth-child(2){animation-delay:.2s}.generating-dot:nth-child(3){animation-delay:.4s}.practice-card{background:linear-gradient(145deg,#0f172ae6,#00000080);border:1px solid #ffffff12;border-radius:20px;padding:1.5rem;transition:all .3s cubic-bezier(.4,0,.2,1);position:relative;overflow:hidden}.practice-card:hover{border-color:#8b5cf64d;transform:translateY(-2px);box-shadow:0 12px 30px #0006}.practice-card:after{content:"";opacity:0;background:linear-gradient(90deg,#8b5cf6,#ec4899);height:2px;transition:opacity .3s;position:absolute;bottom:0;left:0;right:0}.practice-card:hover:after{opacity:1}@media (width<=768px){.quiz-panel{padding:1.25rem}.quiz-option-btn{padding:12px 14px;font-size:.9rem}.practice-card{padding:1.25rem}.lecture-ai-tabs{scrollbar-width:none;padding-bottom:4px;overflow-x:auto;flex-wrap:nowrap!important}.lecture-ai-tabs::-webkit-scrollbar{display:none}}.welcome-container{align-items:flex-start!important;overflow:hidden auto!important}@keyframes igHeartPop{0%{opacity:0;transform:translate(-50%,-50%)scale(.3)}50%{opacity:1;transform:translate(-50%,-50%)scale(1.4)}80%{opacity:.9;transform:translate(-50%,-50%)scale(1.1)}to{opacity:0;transform:translate(-50%,-50%)scale(1.5)translateY(-20px)}}@keyframes igReactionPill{0%{opacity:0;transform:translateY(6px)scale(.95)}to{opacity:1;transform:translateY(0)scale(1)}}.ig-reaction-capsule{animation:.2s cubic-bezier(.16,1,.3,1) forwards igReactionPill}.ig-reaction-emoji-btn{cursor:pointer;background:0 0;border:none;border-radius:50%;padding:4px;font-size:1.15rem;line-height:1;transition:transform .15s,background .15s}.ig-reaction-emoji-btn:hover{background:#ffffff26;transform:scale(1.35)}.ig-bubble-me{transition:transform .15s;color:#fff!important;background:linear-gradient(135deg,#7928ca,#ff0080)!important;border-radius:20px 20px 4px!important;box-shadow:0 4px 18px #ff008040!important}.ig-bubble-me:hover{transform:scale(1.005)}.ig-bubble-peer{transition:transform .15s;color:#fff!important;background:#ffffff14!important;border:1px solid #ffffff1f!important;border-radius:20px 20px 20px 4px!important;box-shadow:0 4px 16px #00000040!important}.ig-bubble-peer:hover{transform:scale(1.005)}.main-content.community-full-mode{flex-direction:column!important;height:100vh!important;max-height:100vh!important;padding:0!important;display:flex!important;overflow:hidden!important}@media (width<=768px){.main-content.community-full-mode{height:calc(100dvh - var(--bottom-nav-height,60px))!important;max-height:calc(100dvh - var(--bottom-nav-height,60px))!important;padding:0!important;overflow:hidden!important}}.community-wrapper{box-sizing:border-box!important;flex-direction:column!important;gap:.5rem!important;width:100%!important;max-width:100%!important;height:100%!important;max-height:100%!important;margin:0!important;padding:.6rem 1rem!important;display:flex!important;overflow:hidden!important}@media (width<=768px){.community-wrapper{gap:.35rem!important;padding:.35rem .4rem!important}}.community-tabs{scrollbar-width:none!important;border-bottom:1px solid #ffffff14!important;flex-wrap:nowrap!important;flex-shrink:0!important;justify-content:space-between!important;align-items:center!important;gap:8px!important;padding:2px 4px 6px!important;display:flex!important;overflow-x:auto!important}.community-tabs::-webkit-scrollbar{display:none!important}.community-chat-layout{flex:1!important;grid-template-columns:310px 1fr!important;gap:.85rem!important;width:100%!important;height:100%!important;min-height:0!important;display:grid!important;overflow:hidden!important}.community-chat-layout.zen-mode{grid-template-columns:1fr!important}@media (width<=900px){.community-chat-layout{flex-direction:column!important;gap:0!important;display:flex!important}}.peers-sidebar{-webkit-backdrop-filter:blur(14px)!important;backdrop-filter:blur(14px)!important;background:#0f172aa6!important;border:1px solid #ffffff14!important;border-radius:20px!important;flex-direction:column!important;height:100%!important;min-height:0!important;display:flex!important;overflow:hidden!important}@media (width<=900px){.peers-sidebar{display:none!important}}.chat-main-area{-webkit-backdrop-filter:blur(14px)!important;backdrop-filter:blur(14px)!important;background:#0f172aa6!important;border:1px solid #ffffff14!important;border-radius:20px!important;flex-direction:column!important;flex:1!important;width:100%!important;height:100%!important;min-height:0!important;display:flex!important;overflow:hidden!important}@media (width<=768px){.chat-main-area{border-radius:14px!important}}.chat-header{background:#ffffff05!important;border-bottom:1px solid #ffffff12!important;flex-shrink:0!important;justify-content:space-between!important;align-items:center!important;gap:10px!important;min-height:50px!important;max-height:54px!important;padding:8px 16px!important;display:flex!important}@media (width<=768px){.chat-header{min-height:48px!important;max-height:50px!important;padding:6px 10px!important}}.mobile-notes-tray{display:none!important}@media (width<=900px){.mobile-notes-tray{scrollbar-width:none!important;background:#0f172a80!important;border-bottom:1px solid #ffffff0f!important;flex-shrink:0!important;align-items:center!important;gap:12px!important;padding:8px 12px!important;display:flex!important;overflow-x:auto!important}.mobile-notes-tray::-webkit-scrollbar{display:none!important}}.chat-messages{box-sizing:border-box!important;flex-direction:column-reverse!important;flex:1!important;gap:.85rem!important;width:100%!important;height:100%!important;min-height:0!important;padding:1rem 1.25rem!important;display:flex!important;overflow-y:auto!important}@media (width<=768px){.chat-messages{gap:.75rem!important;padding:.75rem .65rem!important}}.ig-bubble-me{-webkit-user-select:none;user-select:none;color:#fff!important;background:linear-gradient(135deg,#7928ca,#ff0080)!important;border:1px solid #ffffff26!important;border-radius:18px 18px 4px!important;box-shadow:0 4px 16px #ff00804d!important}.ig-bubble-peer{-webkit-user-select:none;user-select:none;color:#f1f5f9!important;background:#ffffff14!important;border:1px solid #ffffff1a!important;border-radius:18px 18px 18px 4px!important;box-shadow:0 2px 10px #00000040!important}.ig-doubt-card{margin-top:4px;background:linear-gradient(135deg,#581c8759,#0f172acc)!important;border:1px solid #a855f759!important;border-radius:16px!important;padding:12px 14px!important;box-shadow:0 4px 20px #a855f726!important}.ig-heart-pop{animation:.85s cubic-bezier(.175,.885,.32,1.275) forwards igHeartPop}.ig-reaction-capsule{animation:.18s cubic-bezier(.34,1.56,.64,1) forwards slideUp;pointer-events:auto!important}.ig-reaction-capsule:after{content:"";pointer-events:auto;background:0 0;height:22px;position:absolute;top:100%;left:-12px;right:-12px}.ig-reaction-emoji-btn{cursor:pointer!important;background:0 0!important;border:none!important;border-radius:50%!important;justify-content:center!important;align-items:center!important;padding:2px 4px!important;font-size:1.15rem!important;transition:transform .15s cubic-bezier(.34,1.56,.64,1)!important;display:flex!important}.ig-reaction-emoji-btn:hover{transform:scale(1.35)!important}.ig-story-avatar{background:linear-gradient(45deg,#f09433,#e6683c,#dc2743,#cc2366,#bc1888)!important;border-radius:50%!important;justify-content:center!important;align-items:center!important;padding:2px!important;transition:transform .2s cubic-bezier(.34,1.56,.64,1)!important;display:flex!important}.ig-story-avatar:hover{transform:scale(1.08)!important}.chat-composer{box-sizing:border-box!important;background:#0006!important;border-top:1px solid #ffffff12!important;flex-shrink:0!important;width:100%!important;padding:8px 14px 10px!important}@media (width<=768px){.chat-composer{padding:6px 8px!important;padding-bottom:calc(6px + env(safe-area-inset-bottom,0px))!important}}.study-icebreaker-pill{color:#cbd5e1;cursor:pointer;white-space:nowrap;background:#ffffff0d;border:1px solid #ffffff1a;border-radius:100px;padding:3px 10px;font-size:.72rem;font-weight:600;transition:all .2s}.study-icebreaker-pill:hover{color:#fff;background:#8b5cf633;border-color:#8b5cf666;transform:translateY(-1px)}.dashboard-command-center{grid-template-columns:1fr 340px;gap:1.25rem;margin-bottom:1.5rem;display:grid}@media (width<=960px){.dashboard-command-center{grid-template-columns:1fr;gap:1rem}}.dashboard-hero-card{background:linear-gradient(135deg,#8b5cf61f 0%,#0f172acc 100%);border:1px solid #8b5cf640;border-radius:24px;flex-direction:column;justify-content:space-between;gap:1rem;padding:1.5rem;display:flex;position:relative;overflow:hidden}.dashboard-timer-box{text-align:center;background:linear-gradient(135deg,#0f172acc 0%,#1e293b99 100%);border:1px solid #ffffff1a;border-radius:24px;flex-direction:column;justify-content:center;align-items:center;padding:1.5rem;display:flex;position:relative;overflow:hidden}.dashboard-tabs-bar{scrollbar-width:none;gap:8px;margin-bottom:1.25rem;padding-bottom:4px;display:flex;overflow-x:auto}.dashboard-tabs-bar::-webkit-scrollbar{display:none}.dashboard-tab-btn{cursor:pointer;white-space:nowrap;border:none;border-radius:100px;align-items:center;gap:6px;padding:8px 18px;font-size:.85rem;font-weight:700;transition:all .25s;display:flex}.planner-day-strip{scrollbar-width:none;gap:8px;margin-bottom:1.25rem;padding-bottom:6px;display:flex;overflow-x:auto}.planner-day-strip::-webkit-scrollbar{display:none}.planner-day-pill{cursor:pointer;text-align:center;background:#ffffff08;border:1px solid #ffffff14;border-radius:14px;flex:none;padding:8px 16px;transition:all .2s}.planner-day-pill.active{background:linear-gradient(135deg, var(--accent-physics), #c026d3);color:#fff;border-color:#8b5cf666;box-shadow:0 4px 15px #8b5cf659}.journal-tabs-bar{scrollbar-width:none;border-bottom:1px solid #ffffff14;gap:8px;margin-bottom:1.5rem;padding-bottom:10px;display:flex;overflow-x:auto}.journal-tabs-bar::-webkit-scrollbar{display:none}.journal-tab-btn{cursor:pointer;white-space:nowrap;border:none;border-radius:100px;align-items:center;gap:6px;padding:8px 18px;font-size:.85rem;font-weight:700;transition:all .25s;display:flex}.mistake-card{background:#0f172a99;border:1px solid #ffffff14;border-radius:18px;flex-direction:column;gap:8px;padding:1.25rem;transition:transform .2s,box-shadow .2s;display:flex}.mistake-card:hover{transform:translateY(-2px);box-shadow:0 8px 25px #00000059}@keyframes radarPulse{0%{opacity:.8;transform:scale(.8)}50%{opacity:.3;transform:scale(1.4)}to{opacity:0;transform:scale(2)}}.omegle-radar-circle{border:2px solid #8b5cf680;border-radius:50%;animation:2s cubic-bezier(.215,.61,.355,1) infinite radarPulse;position:absolute}.omegle-match-hero{text-align:center;background:linear-gradient(135deg,#581c874d 0%,#0f172ae6 100%);border:1px solid #a855f74d;border-radius:28px;padding:2.5rem 1.5rem;position:relative;overflow:hidden;box-shadow:0 10px 40px #00000073}.omegle-dual-studio{grid-template-columns:1fr 1fr;gap:1.25rem;height:clamp(450px,68vh,680px);display:grid}@media (width<=768px){.omegle-dual-studio{grid-template-columns:1fr;height:auto}}.profile-badges-grid{grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1rem;display:grid}.achievement-badge-card{background:#ffffff08;border:1px solid #ffffff14;border-radius:20px;align-items:center;gap:12px;padding:1.2rem;transition:all .25s;display:flex}.achievement-badge-card:hover{background:#ffffff0f;border-color:#ffffff26;transform:translateY(-2px)}@media (width<=768px){.dashboard-grid,.journal-layout{grid-template-columns:1fr!important;gap:1rem!important}.input-field,input,select,textarea{box-sizing:border-box!important;max-width:100%!important}}.aspirant-card{transition:transform .2s cubic-bezier(.34,1.56,.64,1),box-shadow .2s,border-color .2s!important}.aspirant-card:hover{border-color:#10b98159!important;transform:translateY(-3px)!important;box-shadow:0 10px 30px #00000073,0 0 20px #10b98126!important}@media (width<=768px){.chat-msg-wrapper{max-width:100%!important}.ig-bubble-me,.ig-bubble-peer{word-break:break-word!important;overflow-wrap:anywhere!important;max-width:88vw!important}.ig-reaction-capsule{padding:2px 6px!important;top:-40px!important}.community-tabs button{padding:5px 10px!important;font-size:.76rem!important}}.sidebar-unread-badge{color:#fff;background:#ef4444;border-radius:9999px;margin-left:auto;padding:1px 7px;font-size:.65rem;font-weight:900;line-height:1.3;animation:2s ease-in-out infinite pulseBadge;box-shadow:0 0 10px #ef4444b3}.mobile-unread-badge{color:#fff;background:#ef4444;border:2px solid #0f172a;border-radius:9999px;justify-content:center;align-items:center;min-width:17px;height:17px;padding:0 4px;font-size:.6rem;font-weight:900;line-height:1;animation:2s ease-in-out infinite pulseBadge;display:flex;position:absolute;top:-4px;right:-8px;box-shadow:0 0 8px #ef4444d9}@keyframes pulseBadge{0%,to{transform:scale(1)}50%{transform:scale(1.12)}}.ig-profile-wrapper{width:100%;max-width:660px;padding-bottom:calc(var(--bottom-nav-height) + 3.5rem);flex-direction:column;gap:1.25rem;margin:0 auto;display:flex}@media (width<=768px){.ig-profile-wrapper{padding:.5rem .25rem calc(var(--bottom-nav-height) + 3.5rem) .25rem;gap:1rem}.ig-header-layout{gap:1.2rem!important;padding:.25rem .25rem 0!important}.profile-badges-grid{grid-template-columns:1fr!important}}.ig-profile-top-bar{border-bottom:1px solid #ffffff14;justify-content:space-between;align-items:center;padding:.25rem .5rem .75rem;display:flex}.ig-verified-badge{color:#0b0f19;vertical-align:middle;background:#38bdf8;border-radius:50%;justify-content:center;align-items:center;width:17px;height:17px;margin-left:6px;font-size:.65rem;font-weight:900;display:inline-flex}.ig-header-layout{align-items:center;gap:clamp(1.25rem,4vw,2.5rem);padding:.5rem .5rem 0;display:flex}.ig-avatar-ring{cursor:pointer;background:linear-gradient(45deg,#f09433,#e6683c,#dc2743,#cc2366,#bc1888);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;padding:3.5px;transition:transform .2s;display:inline-flex;position:relative}.ig-avatar-ring:hover{transform:scale(1.03)}.ig-avatar-inner{color:#fff;border:3px solid #0b0f19;border-radius:50%;justify-content:center;align-items:center;width:clamp(72px,16vw,92px);height:clamp(72px,16vw,92px);font-size:clamp(1.8rem,4vw,2.4rem);font-weight:900;display:flex;box-shadow:0 4px 15px #00000080}.ig-stats-row{text-align:center;flex:1;justify-content:space-around;align-items:center;display:flex}.ig-stat-col{cursor:default;flex-direction:column;align-items:center;transition:transform .15s;display:flex}.ig-stat-col:hover{transform:translateY(-2px)}.ig-stat-num{color:#fff;font-size:clamp(1.15rem,2.5vw,1.45rem);font-weight:800;line-height:1.2}.ig-stat-label{color:#94a3b8;margin-top:3px;font-size:.76rem;font-weight:500}.ig-bio-section{flex-direction:column;gap:.35rem;padding:0 .5rem;line-height:1.45;display:flex}.ig-username-title{color:#fff;align-items:center;gap:6px;font-size:1.1rem;font-weight:800;display:flex}.ig-category-tag{color:#a78bfa;align-items:center;gap:4px;font-size:.8rem;font-weight:600;display:inline-flex}.ig-target-college{color:#38bdf8;margin-top:2px;font-size:.88rem;font-weight:600}.ig-bio-description{color:#f1f5f9;white-space:pre-wrap;word-break:break-word;margin-top:4px;font-size:.92rem;line-height:1.5}.ig-bio-quote{color:#cbd5e1;border-left:2px solid #ec4899;margin-top:4px;padding-left:8px;font-size:.82rem;font-style:italic}.ig-bio-meta{color:#10b981;margin-top:2px;font-size:.82rem;font-weight:500}.ig-action-bar{flex-wrap:wrap;gap:8px;margin-top:.75rem;display:flex}.ig-btn{cursor:pointer;text-align:center;border:none;border-radius:9px;flex:1;justify-content:center;align-items:center;gap:6px;min-width:100px;padding:8px 14px;font-size:.86rem;font-weight:700;transition:all .2s;display:inline-flex}.ig-btn-primary{color:#fff;background:#ffffff1f;border:1px solid #ffffff1a}.ig-btn-primary:hover{background:#ffffff38}.ig-btn-secondary{color:#cbd5e1;background:#ffffff12;border:1px solid #ffffff14}.ig-btn-secondary:hover{color:#fff;background:#ffffff24}.ig-btn-danger{color:#f87171;background:#ef444426;border:1px solid #ef44444d}.ig-btn-danger:hover{background:#ef444440}.ig-btn-special{color:#fff;background:linear-gradient(135deg,#8b5cf6,#ec4899)}.ig-highlights-scroll{scrollbar-width:none;gap:1.25rem;padding:.75rem .5rem .5rem;display:flex;overflow-x:auto}.ig-highlights-scroll::-webkit-scrollbar{display:none}.ig-highlight-item{cursor:pointer;flex-direction:column;flex-shrink:0;align-items:center;gap:6px;transition:transform .18s;display:flex}.ig-highlight-item:hover{transform:translateY(-2px)}.ig-highlight-circle{background:#ffffff08;border:2px solid #ffffff2e;border-radius:50%;justify-content:center;align-items:center;width:60px;height:60px;padding:2.5px;transition:border-color .2s;display:flex}.ig-highlight-item:hover .ig-highlight-circle{border-color:#ec4899}.ig-highlight-inner{background:#0f172af2;border:1px solid #ffffff14;border-radius:50%;justify-content:center;align-items:center;width:100%;height:100%;font-size:1.3rem;display:flex}.ig-highlight-label{color:#cbd5e1;text-align:center;text-overflow:ellipsis;white-space:nowrap;max-width:66px;font-size:.72rem;font-weight:600;overflow:hidden}.ig-tabs-nav{border-top:1px solid #ffffff1a;margin-top:.5rem;display:flex}.ig-tab-btn{color:#64748b;letter-spacing:.5px;text-transform:uppercase;cursor:pointer;background:0 0;border:none;border-top:2px solid #0000;flex:1;justify-content:center;align-items:center;gap:6px;padding:12px 0;font-size:.8rem;font-weight:700;transition:all .2s;display:flex}.ig-tab-btn.active{color:#fff;border-top-color:#fff}.ig-edit-card{background:#0f172af2;border:1px solid #ffffff1f;border-radius:20px;flex-direction:column;gap:12px;padding:1.5rem;display:flex;box-shadow:0 10px 40px #00000080}
