@import "https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&display=swap";:root{--font-main:"Outfit", sans-serif;--bg-color-1:#0f172a;--bg-color-2:#1e1b4b;--bg-gradient:radial-gradient(circle at top right, var(--bg-color-2) 0%, var(--bg-color-1) 100%);--glass-bg:#ffffff08;--glass-border:#ffffff14;--text-primary:#f8fafc;--text-secondary:#94a3b8;--text-muted:#64748b;--accent-primary:#818cf8;--accent-secondary:#c084fc;--accent-glow:#818cf866;--success:#34d399;--warning:#fbbf24;--danger:#f87171;--shadow-sm:0 4px 6px -1px #0000001a;--shadow-md:0 10px 15px -3px #0000004d;--shadow-lg:0 20px 25px -5px #0006;--radius-sm:8px;--radius-md:14px;--radius-lg:22px;--transition-fast:.15s ease;--transition-normal:.3s cubic-bezier(.4, 0, .2, 1);--transition-bounce:.5s cubic-bezier(.68, -.55, .265, 1.55)}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{-webkit-text-size-adjust:100%;font-size:16px}body{font-family:var(--font-main);background:var(--bg-color-1);background-image:var(--bg-gradient);color:var(--text-primary);-webkit-font-smoothing:antialiased;min-height:100dvh;overflow-x:hidden}.bg-blobs{z-index:-1;pointer-events:none;position:fixed;inset:0;overflow:hidden}.blob{filter:blur(80px);opacity:.5;border-radius:50%;animation:20s ease-in-out infinite alternate float;position:absolute}.blob-1{background:radial-gradient(circle, var(--accent-primary) 0%, transparent 70%);width:50vw;height:50vw;top:-10%;left:-10%}.blob-2{background:radial-gradient(circle, var(--accent-secondary) 0%, transparent 70%);width:60vw;height:60vw;animation-delay:-5s;bottom:-20%;right:-10%}@keyframes float{0%{transform:translate(0)scale(1)}33%{transform:translate(5%,5%)scale(1.1)}66%{transform:translate(-5%,10%)scale(.9)}to{transform:translateY(-5%)scale(1)}}.glass-panel{background:var(--glass-bg);-webkit-backdrop-filter:blur(16px);border:1px solid var(--glass-border);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);position:relative;overflow:hidden}.glass-panel:before{content:"";background:linear-gradient(90deg,#0000,#fff3,#0000);height:1px;position:absolute;top:0;left:0;right:0}.glass-card{border-radius:var(--radius-md);transition:var(--transition-bounce);cursor:pointer;background:#ffffff05;border:1px solid #ffffff0d}.glass-card:hover,.glass-card:active{box-shadow:0 8px 20px -5px #0006, 0 0 15px var(--accent-glow);background:#ffffff0a;border-color:#ffffff1a}.text-gradient{background:linear-gradient(135deg, var(--text-primary) 0%, var(--text-secondary) 100%);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text}.text-gradient-accent{background:linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text}.btn{border-radius:var(--radius-md);font-family:var(--font-main);cursor:pointer;transition:var(--transition-bounce);border:none;outline:none;justify-content:center;align-items:center;gap:.5rem;padding:.7rem 1.4rem;font-size:1rem;font-weight:600;text-decoration:none;display:inline-flex}.btn:active{transform:scale(.97)}.btn-icon{color:#fff;background:#ffffff1a;border-radius:50%;flex-shrink:0;padding:.45rem}.btn-icon:hover{background:#ffffff2e}.btn-google{color:#333;background:#fff;gap:.4rem}.btn-google:hover{box-shadow:var(--shadow-md)}.badge{text-transform:uppercase;letter-spacing:.05em;white-space:nowrap;border-radius:9999px;align-items:center;padding:.2rem .65rem;font-size:.72rem;font-weight:700;display:inline-flex}.badge-row{flex-wrap:wrap;gap:.4rem;display:flex}.badge-success{color:var(--success);background:#34d39926}.badge-warning{color:var(--warning);background:#fbbf2426}.badge-danger{color:var(--danger);background:#f8717126}.badge-primary{color:var(--accent-primary);background:#818cf826}.animate-pulse-slow{animation:3s infinite pulse-slow}@keyframes pulse-slow{0%,to{opacity:1}50%{opacity:.6}}@keyframes fadeIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}@keyframes slideInRight{0%{transform:translate(100%)}to{transform:translate(0)}}.login-card{text-align:center;width:92%;max-width:440px;padding:2.5rem 2rem;animation:.4s fadeIn}.login-logo{object-fit:contain;filter:drop-shadow(0 0 20px #818cf866);border-radius:12px;width:140px;height:auto;margin-bottom:1rem}.login-title{margin-bottom:.25rem;font-size:1.8rem}.login-subtitle{color:var(--text-muted);margin-bottom:1.25rem;font-size:.85rem}.login-btn{background:linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));color:#fff;border-radius:var(--radius-md);width:100%;box-shadow:0 4px 15px var(--accent-glow);margin-bottom:.5rem;padding:.9rem;font-size:1rem}.login-btn:hover{box-shadow:0 6px 20px var(--accent-glow);transform:translateY(-2px)}.login-copyright{color:var(--text-muted);margin-top:2rem;font-size:.78rem}.login-copyright a{color:var(--accent-primary);text-decoration:none}.app-container{z-index:1;flex-direction:column;min-height:100dvh;display:flex;position:relative}.app-header{border-radius:var(--radius-md);flex-shrink:0;justify-content:space-between;align-items:center;margin:.75rem 1rem;padding:.75rem 1.25rem;display:flex}.header-brand{align-items:center;gap:.65rem;display:flex}.header-logo{object-fit:contain;filter:drop-shadow(0 0 8px #818cf880);border-radius:6px;width:auto;height:36px}.header-title{font-size:1.05rem;font-weight:700;line-height:1.2}.header-subtitle{color:var(--text-muted);font-size:.68rem}.header-user{align-items:center;gap:1rem;display:flex}.header-user-info{text-align:right;flex-direction:column;display:flex}.header-name{font-size:.9rem;font-weight:600}.header-email{color:var(--text-secondary);font-size:.75rem}.main-content{flex:1;padding:0 1rem 1rem;animation:.4s forwards fadeIn}.dashboard-grid{grid-template-columns:minmax(240px,280px) 1fr;align-items:start;gap:1.25rem;display:grid}.sidebar{flex-direction:column;gap:1.25rem;display:flex}.sidebar-panel{padding:1.25rem}.panel-header{align-items:center;gap:.5rem;margin-bottom:1.25rem;display:flex}.panel-title{flex:1;align-items:center;gap:.45rem;font-size:.95rem;font-weight:700;display:flex}.mobile-back{display:none!important}.item-list{flex-direction:column;gap:.5rem;display:flex}.list-item{border-radius:var(--radius-sm);cursor:pointer;transition:var(--transition-fast);background:#ffffff05;border:1px solid #ffffff0d;align-items:center;gap:.7rem;padding:.7rem .9rem;display:flex}.list-item:hover,.list-item:active{background:#ffffff0d;border-color:#ffffff1a}.list-item.selected{border-color:var(--accent-primary);background:#818cf81f}.avatar{border-radius:50%;flex-shrink:0;width:26px;height:26px}.avatar-icon{flex-shrink:0}.item-label{text-overflow:ellipsis;white-space:nowrap;font-size:.9rem;font-weight:500;overflow:hidden}.item-sub{color:var(--text-secondary);margin-top:.15rem;font-size:.75rem}.empty-state{text-align:center;color:var(--text-muted);padding:1rem 0;font-size:.88rem}.unlink-btn{opacity:0;transition:var(--transition-fast);border-radius:6px;flex-shrink:0;padding:.3rem;color:var(--danger)!important;background:#f871711f!important}.list-item:hover .unlink-btn,.list-item:focus-within .unlink-btn{opacity:1}.unlink-btn:hover{background:#f8717140!important}@media (width<=768px){.unlink-btn{opacity:1}}.confirm-dialog{border-color:#f8717140;width:min(360px,92vw);padding:2rem 1.75rem;animation:.2s fadeIn}.assignments-section{min-width:0}.assignments-header{align-items:center;gap:.75rem;margin-bottom:1.5rem;display:flex}.section-title{flex:1;align-items:center;gap:.5rem;font-size:1.25rem;display:flex}.section-subtitle{color:var(--text-secondary);font-size:.82rem;font-weight:400}.section-label{color:var(--text-muted);text-transform:uppercase;letter-spacing:.07em;margin-bottom:.6rem;font-size:.75rem}.empty-main{color:var(--text-muted);text-align:center;opacity:.7;flex-direction:column;justify-content:center;align-items:center;gap:.75rem;padding:5rem 1rem;display:flex}.assignment-list{flex-direction:column;gap:.75rem;display:flex}.assignment-card{justify-content:space-between;align-items:center;gap:1rem;padding:1rem 1.25rem;display:flex}.assignment-card.selected{border-color:var(--accent-primary)!important;background:#818cf814!important}.assignment-main{flex:1;min-width:0}.assignment-title-row{flex-wrap:wrap;align-items:center;gap:.5rem .65rem;margin-bottom:.4rem;display:flex}.assignment-title{flex:1;min-width:0;font-size:.95rem;font-weight:600}.assignment-meta{color:var(--text-secondary);flex-wrap:wrap;gap:.75rem;font-size:.8rem;display:flex}.assignment-meta span{align-items:center;gap:.25rem;display:flex}.meta-attach{color:var(--accent-primary)!important}.assignment-grade{text-align:center;border-left:1px solid #ffffff1a;flex-shrink:0;min-width:58px;padding-left:1rem}.tab-bar{background:#ffffff0a;border-radius:10px;gap:.5rem;margin-bottom:1.25rem;padding:.25rem;display:flex}.tab-btn{font-family:var(--font-main);cursor:pointer;transition:var(--transition-fast);color:var(--text-secondary);background:0 0;border:none;border-radius:8px;flex:1;align-items:center;gap:.4rem;padding:.5rem .8rem;font-size:.85rem;font-weight:600;display:flex}.tab-btn:hover{color:var(--text-primary);background:#ffffff0f}.tab-btn.active{color:var(--accent-primary);background:#818cf82e}.tab-count{width:18px;height:18px;color:var(--accent-primary);background:#818cf840;border-radius:50%;justify-content:center;align-items:center;font-size:.68rem;display:inline-flex}.announcement-card{flex-direction:column;gap:.75rem;padding:1.1rem 1.25rem;display:flex}.announcement-body{flex:1}.announcement-text{color:var(--text-secondary);white-space:pre-wrap;word-break:break-word;font-size:.9rem;line-height:1.6}.announcement-footer{border-top:1px solid #ffffff0f;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:.5rem;padding-top:.6rem;display:flex}.announcement-link{color:var(--accent-primary);align-items:center;gap:.3rem;font-size:.78rem;font-weight:600;text-decoration:none;display:inline-flex}.announcement-link:hover{text-decoration:underline}.grade-value{font-size:1.3rem;font-weight:700}.grade-max{color:var(--text-secondary);font-size:.72rem}.app-footer{text-align:center;color:var(--text-muted);padding:1rem 1.5rem;padding-bottom:calc(1rem + env(safe-area-inset-bottom));font-size:.75rem}.app-footer a{color:var(--accent-primary);text-decoration:none}.detail-overlay{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:100;background:#0000008c;justify-content:flex-end;animation:.2s fadeIn;display:flex;position:fixed;inset:0}.detail-drawer{width:min(520px,100vw);height:100dvh;padding:1.5rem;padding-bottom:calc(1.5rem + env(safe-area-inset-bottom));-webkit-overflow-scrolling:touch;background:#0f0e28f7;border-left:1px solid #818cf833;flex-direction:column;animation:.3s cubic-bezier(.4,0,.2,1) slideInRight;display:flex;overflow-y:auto;box-shadow:-8px 0 40px #0009}.detail-drawer-header{align-items:flex-start;gap:.85rem;margin-bottom:1.1rem;display:flex}.detail-drawer-header h3{background:linear-gradient(135deg, var(--text-primary), var(--text-secondary));-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;font-size:1.2rem;line-height:1.4}.detail-meta-grid{grid-template-columns:repeat(auto-fill,minmax(130px,1fr));gap:.75rem;margin-top:.25rem;display:grid}.detail-meta-item{background:#ffffff0a;border:1px solid #ffffff12;border-radius:10px;flex-direction:column;gap:.3rem;padding:.75rem .9rem;display:flex}.detail-meta-label{color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em;font-size:.7rem}.detail-meta-value{font-size:1rem;font-weight:600}.detail-description{color:var(--text-secondary);white-space:pre-wrap;word-break:break-word;background:#ffffff08;border:1px solid #ffffff0f;border-radius:10px;padding:.9rem 1.1rem;font-size:.9rem;line-height:1.7}.material-item{color:var(--text-primary);transition:var(--transition-fast);background:#ffffff0a;border:1px solid #ffffff12;border-radius:10px;align-items:center;gap:.7rem;padding:.6rem .9rem;text-decoration:none;display:flex}.material-item:hover,.material-item:active{background:#818cf81f;border-color:#818cf84d}.timeline{flex-direction:column;display:flex;position:relative}.timeline:before{content:"";background:#ffffff1a;width:1px;position:absolute;top:14px;bottom:14px;left:6px}.timeline-item{align-items:flex-start;gap:.8rem;padding:.55rem 0;display:flex;position:relative}.timeline-dot{z-index:1;border-radius:50%;flex-shrink:0;width:13px;height:13px;margin-top:3px;position:relative;box-shadow:0 0 6px}.timeline-content{flex-direction:column;gap:.15rem;display:flex}.timeline-time{color:var(--text-muted);font-size:.72rem}@media (width<=768px){html{font-size:15px}.app-header{border-radius:var(--radius-sm);margin:.5rem;padding:.65rem 1rem}.header-name{font-size:.82rem}.header-email,.header-subtitle{display:none}.main-content{padding:0 .5rem .5rem}.dashboard-grid{grid-template-columns:1fr;gap:0}.sidebar{gap:0}.sidebar-panel{border-bottom:none;border-left:none;border-right:none;border-radius:0}.sidebar-panel:first-child{border-radius:var(--radius-sm) var(--radius-sm) 0 0}.mobile-back{display:inline-flex!important}.assignments-section{display:none}.dashboard-grid[data-view=children] .sidebar{display:flex}.dashboard-grid[data-view=children] .courses-panel,.dashboard-grid[data-view=children] .assignments-section{display:none}.dashboard-grid[data-view=courses] .sidebar{display:flex}.dashboard-grid[data-view=courses] .children-panel,.dashboard-grid[data-view=courses] .assignments-section,.dashboard-grid[data-view=assignments] .sidebar{display:none}.dashboard-grid[data-view=assignments] .assignments-section{display:block}.assignment-card{padding:.85rem .9rem}.assignment-title{font-size:.88rem}.grade-value{font-size:1.1rem}.detail-overlay{justify-content:center;align-items:flex-end}.detail-drawer{border-radius:var(--radius-lg) var(--radius-lg) 0 0;border-top:1px solid #818cf833;border-left:none;width:100vw;max-height:92dvh;animation:.3s cubic-bezier(.4,0,.2,1) slideInUp}@keyframes slideInUp{0%{transform:translateY(100%)}to{transform:translateY(0)}}.detail-meta-grid{grid-template-columns:repeat(2,1fr)}}@media (width<=420px){.app-header{margin:.4rem;padding:.55rem .85rem}.header-title{font-size:.92rem}.main-content{padding:0 .4rem .4rem}.assignment-card{flex-direction:column;align-items:flex-start}.assignment-grade{border-top:1px solid #ffffff14;border-left:none;align-items:baseline;gap:.4rem;width:100%;padding-top:.5rem;padding-left:0;display:flex}.grade-max{font-size:.75rem}}.reauth-banner{border-radius:var(--radius-md);text-align:center;background:#fbbf2412;border:1px solid #fbbf2440;flex-direction:column;align-items:center;gap:.75rem;padding:1.1rem 1rem;animation:.3s fadeIn;display:flex}.reauth-icon{font-size:1.8rem;line-height:1}.reauth-text{color:var(--warning);font-size:.85rem;line-height:1.5}.reauth-btn{padding:.45rem .9rem!important;font-size:.82rem!important}.toast-banner{z-index:200;border-radius:var(--radius-md);color:var(--success);box-shadow:var(--shadow-md);white-space:nowrap;background:#34d3992e;border:1px solid #34d39959;align-items:center;gap:.5rem;max-width:90vw;padding:.65rem 1.1rem;font-size:.88rem;font-weight:500;animation:.3s fadeIn;display:flex;position:fixed;top:1rem;left:50%;transform:translate(-50%)}.material-block{flex-direction:column;display:flex}.material-block.open .material-item{border-radius:var(--radius-md) var(--radius-md) 0 0;background:#818cf81a;border-bottom-color:#818cf840}.material-preview-btn{color:var(--accent-primary);transition:var(--transition-fast);background:#818cf81a;border:1px solid #818cf833;border-radius:6px;opacity:.8!important}.material-preview-btn:hover,.material-preview-btn.active{background:#818cf840;border-color:#818cf880;opacity:1!important}.inline-preview{border-radius:0 0 var(--radius-md) var(--radius-md);background:#00000040;border:1px solid #818cf840;border-top:none;animation:.18s fadeIn;overflow:hidden}.inline-preview-state{color:var(--text-secondary);text-align:center;flex-direction:column;justify-content:center;align-items:center;gap:.5rem;min-height:80px;padding:1.25rem;font-size:.85rem;display:flex}.inline-preview-error{color:var(--warning)}.inline-preview-iframe{border:none;width:100%;height:480px;display:block}.inline-preview-iframe.youtube{aspect-ratio:16/9;height:auto}@media (width<=768px){.inline-preview-iframe{height:70vw;min-height:260px;max-height:420px}.inline-preview-iframe.youtube{height:auto;max-height:unset}}.child-dashboard{flex-direction:column;gap:1rem;display:flex}.dashboard-header{align-items:center;gap:.85rem;padding:1rem 1.25rem;display:flex}.dashboard-stats{grid-template-columns:repeat(4,1fr);gap:.75rem;display:grid}.stat-card{text-align:center;flex-direction:column;align-items:center;gap:.35rem;padding:1rem .5rem;display:flex}.stat-icon{border-radius:10px;justify-content:center;align-items:center;width:38px;height:38px;display:flex}.stat-value{font-size:1.7rem;font-weight:800;line-height:1}.stat-label{color:var(--text-muted);font-size:.7rem;font-weight:500}.dashboard-chart-panel{padding:1.25rem}.panel-section-title{color:var(--text-secondary);align-items:center;gap:.5rem;margin-bottom:1rem;font-size:.85rem;font-weight:600;display:flex}.dashboard-bottom{grid-template-columns:1fr 1fr;gap:1rem;display:grid}.dashboard-upcoming,.dashboard-announcements{min-height:160px;padding:1.25rem}.upcoming-item{border-radius:8px;align-items:flex-start;gap:.75rem;padding:.6rem .75rem;transition:background .15s;display:flex}.upcoming-item:hover{background:#ffffff0f}.dashboard-courses-grid-panel{padding:1.25rem}.dashboard-courses-grid{grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:.75rem;display:grid}.course-grid-card{cursor:pointer;border-radius:10px;padding:.85rem 1rem;transition:background .15s,transform .1s}.course-grid-card:hover{background:#ffffff12;transform:translateY(-1px)}@media (width<=768px){.dashboard-stats{grid-template-columns:repeat(2,1fr)}.dashboard-bottom{grid-template-columns:1fr}.dashboard-courses-grid{grid-template-columns:repeat(2,1fr)}.stat-value{font-size:1.4rem}}