:root{--color-bg: rgb(242, 250, 239);--color-bg-secondary: rgb(242, 250, 239);--color-accent: rgb(230, 55, 70);--color-accent-light: rgb(255, 120, 130);--color-text: #1c120d;--color-text-secondary: #2a1e18;--color-text-muted: #444444;--color-card: rgb(220, 236, 245);--color-border: rgb(167, 218, 220);--color-button-secondary: rgb(29, 54, 88);--color-button-secondary-hover: rgb(40, 70, 110);--color-error: #d32f2f;--text-muted: #666;--color-button-primary-text: #ffffff;--admin-tag-background: #6a1a21;--admin-tag-foreground: #ffcccc;--editor-tag-background: #1a406a;--editor-tag-foreground: #cce0ff;--member-tag-background: #3f683f;--member-tag-foreground: #d1ffd1;--viewer-tag-background: #555555;--viewer-tag-foreground: #cccccc;--font-family: "Inter", sans-serif;--font-sm: .875rem;--font-md: 1rem;--font-lg: 1.125rem;--radius: 8px;--radius-sm: 4px;--radius-md: 8px;--radius-lg: 12px;--shadow-card: 0 2px 6px rgba(0, 0, 0, .2);--transition-fast: .2s ease-in-out}body{margin:0;padding:0;font-family:var(--font-family);background-color:var(--color-bg);color:var(--color-text)}a{color:inherit;text-decoration:none}.container{max-width:1200px;margin:0 auto;padding:1rem}.button{padding:.75rem 1.5rem;background-color:var(--color-accent);color:var(--color-text);border:none;border-radius:var(--radius);cursor:pointer;font-weight:700;transition:background .2s}.button:hover{background-color:var(--color-accent-light)}.button:disabled{opacity:.6;cursor:not-allowed}.card{background:var(--color-card);padding:1rem;border-radius:var(--radius);text-align:left;flex:1;min-width:240px;margin:.5rem}.flex{display:flex;flex-wrap:wrap;justify-content:center}.text-center{text-align:center}.input{padding:.75rem;border:none;border-radius:var(--radius);width:100%;max-width:300px;margin-right:1rem}.flex-col{display:flex;flex-direction:column}@media (max-width: 640px){.card{flex-direction:column;text-align:center;gap:1rem}.card img{margin-top:1rem;max-width:100%}}:root{font-family:Poppins,sans-serif;line-height:1.5;font-weight:400;color-scheme:light dark;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;-webkit-text-size-adjust:100%}.bw-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:url(/images/backgrounds/binary-background.jpg) no-repeat center center;background-size:cover;padding:1rem}.login-card{width:480px;max-width:100%;border-radius:var(--radius-lg);padding:2.25rem;background:var(--color-card);box-shadow:var(--shadow-card),0 6px 10px #00000040;border:1px solid rgba(255,255,255,.02)}.bw-title{text-align:center;color:var(--color-accent);font-size:2rem;margin:0 0 1.25rem;font-weight:700}.bw-input-group{display:block;margin-bottom:1.25rem}.form-row{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:.75rem;margin-bottom:1.25rem}.cta{margin-top:.5rem;margin-bottom:1rem}.password-wrapper{position:relative}.password-toggle{position:absolute;right:12px;top:50%;transform:translateY(-50%);background:transparent;border:none;cursor:pointer;color:var(--color-text-secondary)}.bw-link{color:var(--color-accent);text-decoration:none;font-weight:500;font-size:.95rem}.bw-link:hover{text-decoration:underline}.footer{margin-top:.75rem;text-align:center;color:var(--color-text-muted);font-size:.95rem}@media (max-width: 768px){.login-card{padding:1.75rem;width:100%}.bw-title{font-size:1.75rem}.form-row{flex-direction:column;align-items:flex-start}}@media (max-width: 480px){.login-card{padding:1.5rem;border-radius:var(--radius-md)}.bw-title{font-size:1.5rem}.bw-link{font-size:.9rem}.cta button{width:100%}.form-row{align-items:stretch}.form-row a{align-self:flex-start}}.bw-input-wrapper{display:flex;flex-direction:column}.bw-input{box-sizing:border-box;width:100%;padding:.75rem;border:1px solid #333;border-radius:var(--radius);background-color:var(--color-bg);color:var(--color-text);font-size:1rem}.bw-input:focus{outline:none;border-color:var(--color-accent)}.bw-input-error{border-color:red}.bw-input-error-text{color:red;font-size:.875rem;margin-top:.25rem}.bw-checkbox{display:inline-flex;align-items:center;gap:.75rem;cursor:pointer;-webkit-user-select:none;user-select:none;color:var(--color-text-secondary);font-size:.95rem}.bw-checkbox input{display:none}.bw-checkbox__box{width:16px;height:16px;min-width:16px;border-radius:3px;border:1px solid var(--color-bg-secondary);display:inline-block;position:relative;background:var(--color-bg-secondary);box-sizing:border-box}.bw-checkbox input:checked+.bw-checkbox__box{background:var(--color-accent);border-color:var(--color-accent)}.bw-checkbox input:checked+.bw-checkbox__box:after{content:"";position:absolute;left:4px;top:1px;width:5px;height:9px;border:solid var(--color-text);border-width:0 2px 2px 0;transform:rotate(45deg)}.bw-checkbox__label{color:var(--color-text-secondary);line-height:1}.bw-button-primary{box-sizing:border-box;width:100%;padding:.75rem;border:none;border-radius:var(--radius);background-color:var(--color-accent);color:var(--color-button-primary-text);font-size:1rem;font-weight:600;cursor:pointer;transition:background-color var(--transition-fast),transform var(--transition-fast);display:inline-flex;align-items:center;justify-content:center}.bw-button-primary:hover{background-color:color-mix(in srgb,var(--color-accent) 80%,var(--color-accent-light) 20%);transform:translateY(-1px)}.bw-button-primary:disabled{opacity:.5;cursor:not-allowed;pointer-events:none;transform:none}:root{--primary: var(--color-accent);--secondary: var(--color-button-secondary);--bg: var(--color-bg);--text-dark: var(--color-text);--text-light: var(--color-text-secondary)}.home-container{min-height:100vh;background:linear-gradient(180deg,#ffffff,var(--color-bg));font-family:Inter,sans-serif;display:flex;flex-direction:column;align-items:center;padding:2rem;overflow-x:hidden}.home-header{width:100%;max-width:1400px;display:flex;justify-content:space-between;align-items:center;margin-bottom:3rem}.logo-text{font-size:2.5rem;font-weight:900;color:var(--color-button-secondary);letter-spacing:-1px;animation:fadeInDown 1s ease}.profile-btn{background:var(--color-button-secondary);color:#fff;padding:.7rem 1.5rem;border-radius:50px;font-weight:600;border:none;cursor:pointer;transition:all .3s ease}.profile-btn:hover{background:var(--color-button-secondary-hover);transform:scale(1.05)}.hero{text-align:center;max-width:1400px;width:100%;position:relative}.welcome-text{font-size:1.4rem;font-weight:700;color:var(--color-button-secondary);margin-bottom:.8rem;animation:popIn 1.5s ease forwards}.subtitle{color:var(--color-accent);font-weight:800;letter-spacing:1px;text-transform:uppercase;margin-bottom:.5rem;opacity:0;animation:fadeIn 1.2s .8s forwards}.main-title{font-size:3rem;font-weight:900;color:var(--color-text);margin-bottom:1rem;opacity:0;animation:fadeInUp 1s 1.2s forwards}.main-title span{color:var(--color-button-secondary)}.hero-text{color:var(--color-text-secondary);font-size:1.2rem;margin-bottom:2.5rem;opacity:0;animation:fadeInUp 1s 1.6s forwards}.start-btn{background:var(--color-accent);color:#fff;font-size:1.3rem;font-weight:700;padding:1rem 2.5rem;border:none;border-radius:12px;cursor:pointer;display:inline-flex;align-items:center;gap:.7rem;transition:all .3s ease;box-shadow:0 8px 20px color-mix(in srgb,var(--color-accent) 30%,transparent);opacity:0;animation:fadeInUp 1s 2s forwards}.start-btn:hover{background:var(--color-accent-light);transform:scale(1.05)}.arrow{transition:transform .3s ease}.start-btn:hover .arrow{transform:translate(4px)}.divider{margin:4rem 0 2rem;position:relative;text-align:center;width:100%;max-width:1400px}.divider:before{content:"";position:absolute;top:50%;left:0;width:100%;height:1px;background:var(--color-border);z-index:0}.divider span{position:relative;background:var(--color-bg);color:var(--color-text-secondary);font-size:.9rem;font-weight:600;padding:0 1rem;z-index:1}.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:2rem;width:100%;max-width:1400px;opacity:0;animation:fadeInUp 1s 2.5s forwards}.feature-card{background:var(--color-card);border-radius:16px;padding:1.8rem;text-align:center;box-shadow:0 5px 20px #0000000d;border-bottom:4px solid var(--color-accent);transition:all .3s ease}.feature-card:hover{transform:translateY(-6px);box-shadow:0 10px 25px color-mix(in srgb,var(--color-button-secondary) 20%,transparent)}.icon-wrapper{background:var(--color-button-secondary);color:#fff;width:60px;height:60px;margin:0 auto 1rem;display:flex;justify-content:center;align-items:center;border-radius:50%;box-shadow:0 4px 10px color-mix(in srgb,var(--color-button-secondary) 40%,transparent)}.feature-card h3{font-size:1.2rem;font-weight:700;margin-bottom:.5rem;color:var(--color-text)}.feature-card p{color:var(--color-text-secondary);font-size:.95rem}.footer{margin-top:4rem;color:var(--color-text-secondary);font-size:.8rem;text-align:center;opacity:0;animation:fadeIn 1s 3s forwards}@keyframes fadeIn{to{opacity:1}}@keyframes fadeInUp{0%{transform:translateY(20px);opacity:0}to{transform:translateY(0);opacity:1}}@keyframes fadeInDown{0%{transform:translateY(-20px);opacity:0}to{transform:translateY(0);opacity:1}}@keyframes popIn{0%{transform:scale(.8);opacity:0}80%{transform:scale(1.05);opacity:1}to{transform:scale(1)}}.profile-header{display:flex;align-items:center;background:var(--color-card);padding:1.5rem;border-radius:var(--radius);box-shadow:var(--shadow-card);gap:1rem;color:var(--color-text)}.profile-info h2{margin:0;font-size:var(--font-lg)}.profile-info .email,.profile-info .member{color:var(--color-text-muted);font-size:var(--font-sm)}.status{background:var(--member-tag-background);color:var(--member-tag-foreground);border-radius:var(--radius-sm);padding:.25rem .5rem;font-size:var(--font-sm)}.evaluation-card{display:flex;justify-content:space-between;align-items:center;background:var(--color-card);padding:1rem;border-radius:var(--radius);margin-bottom:1rem;box-shadow:var(--shadow-card);color:var(--color-text)}.title{margin:0;font-size:var(--font-md)}.status{background:var(--member-tag-background);color:var(--member-tag-foreground);padding:.2rem .5rem;border-radius:var(--radius-sm);font-size:var(--font-sm)}.score{color:#4caf50;margin:0}.section-card{background:var(--color-card);padding:1rem 1.5rem;border-radius:var(--radius);box-shadow:var(--shadow-card);margin-bottom:1.5rem;color:var(--color-text)}.section-card h3{margin-bottom:1rem}.profile-view{background-color:var(--color-bg);color:var(--color-text);font-family:var(--font-family);min-height:100vh;padding:2rem;display:flex;flex-direction:column;gap:2rem}.profile-section{background-color:var(--color-card);padding:1.5rem;border-radius:var(--radius-lg);box-shadow:var(--shadow-card)}.profile-section h2{font-size:var(--font-lg);color:var(--color-text-secondary);margin-bottom:1rem}.profile-grid{display:grid;gap:1.5rem}.stats-grid{grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}.progress-grid,.eval-grid{grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}.profile-grid>*{background-color:var(--color-bg-secondary);padding:1rem;border-radius:var(--radius-md);box-shadow:var(--shadow-card);transition:transform var(--transition-fast)}.profile-grid>*:hover{transform:translateY(-4px)}.course-card{background:var(--color-card);border-radius:var(--radius-lg);box-shadow:var(--shadow-card);overflow:hidden;display:flex;flex-direction:column;transition:transform var(--transition-fast),box-shadow var(--transition-fast)}.course-card:hover{transform:translateY(-4px)}.course-image-wrapper{width:100%;height:200px;overflow:hidden}.course-image{width:100%;height:100%;object-fit:cover}.course-content{padding:1.25rem;display:flex;flex-direction:column;gap:.5rem}.course-title{font-size:var(--font-lg);font-weight:700;color:var(--color-text);margin:0}.course-teacher{font-size:var(--font-sm);color:var(--color-text-muted);margin:0}.course-description{font-size:var(--font-sm);color:var(--color-text-secondary);line-height:1.4;margin:.25rem 0}.course-tags{display:flex;gap:.4rem;flex-wrap:wrap}.course-tag{background:var(--color-border);padding:.25rem .5rem;border-radius:var(--radius-sm);font-size:var(--font-sm)}.course-meta{display:flex;justify-content:space-between;font-size:var(--font-sm);color:var(--color-text-muted);margin-top:.25rem}.course-bottom{display:flex;justify-content:flex-start;margin-top:.75rem}.course-level{padding:.3rem .6rem;border-radius:var(--radius-sm);font-size:var(--font-sm);font-weight:600;color:#fff}.course-level.beginner{background:var(--member-tag-background)}.course-level.intermediate{background:var(--editor-tag-background)}.course-level.advanced{background:var(--admin-tag-background)}.course-action-button{width:100%;border:none;background:var(--color-accent);color:var(--color-button-primary-text);padding:.9rem 1rem;font-size:var(--font-md);font-weight:700;cursor:pointer;transition:background var(--transition-fast)}.course-action-button:hover{background:var(--color-accent-light)}.courses-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:1.5rem;padding:1rem}.courses-view{background-color:var(--color-bg);min-height:100vh;padding:2rem;color:var(--color-text);font-family:var(--font-family)}.courses-title{font-size:2rem;margin-bottom:1.5rem}.bw-element-item{display:flex;justify-content:space-between;align-items:center;padding:.75rem 0;border-bottom:1px solid var(--color-bg-secondary)}.bw-element-title{font-size:var(--font-md);color:var(--color-text)}.bw-element-button{background:var(--color-accent);color:var(--color-button-primary-text);border:none;padding:.45rem .9rem;border-radius:var(--radius-sm);cursor:pointer;font-weight:600}.bw-element-button:hover{background:var(--color-accent-light)}.bw-section-item{background:var(--color-card);padding:1.5rem;border-radius:var(--radius-lg);box-shadow:var(--shadow-card)}.bw-section-title{font-size:1.6rem;margin-bottom:1rem}.bw-section-elements{list-style:none;padding:0;margin:0}.bw-section-list{display:flex;flex-direction:column;gap:2rem}.course-details-view{padding:2rem 3rem;color:var(--color-text)}.bw-back-button{background:none;border:none;color:var(--color-text-secondary);display:flex;align-items:center;gap:.4rem;cursor:pointer;font-size:var(--font-md);margin-bottom:1.5rem}.bw-back-button:hover{color:var(--color-accent)}.course-details-header{background:var(--color-card);padding:2rem;border-radius:var(--radius-lg);box-shadow:var(--shadow-card);margin-bottom:2rem}.course-details-title{font-size:2.2rem;font-weight:700;margin:0 0 .5rem}.course-details-description{font-size:1rem;color:var(--color-text-secondary);margin-bottom:1.2rem}.course-details-meta{display:flex;gap:2rem;font-size:var(--font-sm);color:var(--color-text-secondary);border-top:1px solid var(--color-bg-secondary);padding-top:1rem}.course-details-loading{padding:2rem;font-size:1.2rem}.bw-tabs{display:flex;align-items:center;gap:1rem;background:var(--color-card);border-radius:var(--radius);padding:.4rem;width:fit-content;margin-bottom:1.5rem;box-shadow:var(--shadow-card)}.bw-tabs__button{background:transparent;border:none;padding:.6rem 1.2rem;border-radius:var(--radius);font-weight:500;font-size:var(--font-sm);color:var(--color-text-muted);cursor:pointer;transition:background var(--transition-fast),color var(--transition-fast)}.bw-tabs__button:hover{color:var(--color-text)}.bw-tabs__button.active{background:var(--color-accent);color:var(--color-bg)}.bw-task-card{background-color:var(--color-card);border-radius:var(--radius-lg);padding:20px;margin-bottom:20px;box-shadow:var(--shadow-card);color:var(--color-text);font-family:var(--font-family)}.bw-task-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:10px}.bw-task-title{font-size:var(--font-lg);font-weight:600;margin:0}.bw-task-level{font-size:var(--font-sm);color:var(--color-text-muted);margin-bottom:15px;display:block}.bw-task-info{display:flex;gap:20px;margin-bottom:20px;font-size:var(--font-sm)}.bw-task-detail{display:flex;align-items:center;gap:5px;color:var(--color-text-secondary)}.bw-tag-task,.bw-tag-exam{font-size:.75rem;font-weight:700;padding:4px 10px;border-radius:var(--radius-sm);text-transform:uppercase;line-height:1}.bw-tag-task{background-color:var(--color-accent-light);color:var(--color-text)}.bw-tag-exam{background-color:var(--color-button-secondary);color:var(--color-bg)}.bw-task-button-container{padding-top:15px;border-top:1px solid var(--color-border)}.bw-task-button{width:100%;padding:12px 0;background-color:var(--color-accent);color:var(--color-bg);border:none;border-radius:var(--radius);font-size:var(--font-md);font-weight:600;cursor:pointer;transition:background-color var(--transition-fast),box-shadow var(--transition-fast)}.bw-task-button:hover{background-color:var(--color-accent-light);box-shadow:0 2px 4px #0006}.bw-task-list{display:flex;flex-direction:column;gap:1rem}.bw-pending-view{background-color:transparent}.bw-pending-view__list-container{padding-top:1rem}.bw-evaluations{display:flex;flex-direction:column;padding:1.5rem 2rem;background:var(--color-bg);min-height:100%;font-family:var(--font-family)}.bw-evaluations__header{margin-bottom:1.5rem}.bw-evaluations__title{font-size:var(--font-lg);font-weight:700;color:var(--color-text)}.bw-evaluations__subtitle{font-size:var(--font-sm);color:var(--color-text-muted)}.huddle-card{background:var(--color-card);border:1px solid var(--color-border);border-radius:var(--radius-md);padding:20px;margin-bottom:15px;box-shadow:var(--shadow-card)}.huddle-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px}.huddle-title{font-size:var(--font-lg);color:var(--color-text);margin:0}.huddle-type{font-size:var(--font-sm);font-weight:600;color:var(--color-accent);background:var(--color-bg-secondary);padding:4px 8px;border-radius:var(--radius-sm)}.huddle-description{font-size:var(--font-sm);color:var(--color-text-secondary);margin-bottom:15px}.huddle-details{display:flex;flex-wrap:wrap;gap:15px 30px;margin-bottom:20px;color:var(--color-text-secondary);font-size:var(--font-sm)}.detail-group{display:flex;align-items:center}.detail-icon{margin-right:8px;color:var(--color-accent)}.details-button{background:var(--color-accent);color:var(--color-bg);border:none;padding:10px 15px;border-radius:var(--radius-sm);cursor:pointer;font-weight:500;transition:background var(--transition-fast);width:100%}.details-button:hover{background:var(--color-accent-light)}.huddle-list-container{margin-top:20px}.huddle-list-title{font-size:var(--font-lg);color:var(--color-text);padding-bottom:10px;border-bottom:2px solid var(--color-accent);margin-bottom:20px;display:inline-block}.huddles-list{display:flex;flex-direction:column;gap:10px}.huddles-view{padding:30px;min-height:calc(100vh - 60px)}.huddles-view-title{font-size:2rem;color:var(--color-text);margin-bottom:5px}.huddles-view-subtitle{font-size:var(--font-md);color:var(--color-text-secondary);margin-bottom:25px}.huddle-info-card{background:var(--color-card);border-radius:var(--radius-lg);padding:25px;box-shadow:var(--shadow-card);margin-bottom:25px}.info-card-title{font-size:1.5rem;color:var(--color-text);margin-bottom:5px}.info-card-description{font-size:var(--font-sm);color:var(--color-text-secondary);margin-bottom:20px}.info-details-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px 0;padding-top:15px;border-top:1px solid var(--color-border)}.detail-group{display:flex;align-items:flex-start}.detail-icon{color:var(--color-accent);margin-right:15px;flex-shrink:0}.detail-text-box{display:flex;flex-direction:column}.detail-label{font-size:var(--font-sm);color:var(--color-text-muted);line-height:1;margin-bottom:4px}.detail-value{font-size:var(--font-sm);color:var(--color-text);font-weight:500}.back-button-header{display:flex;align-items:center;margin-bottom:30px}.back-button{display:flex;align-items:center;background:none;border:none;color:var(--color-accent);cursor:pointer;font-size:var(--font-md);font-weight:500;margin-right:20px;transition:color var(--transition-fast);gap:5px}.back-button:hover{color:var(--color-accent-light)}.huddle-detail-view{padding:30px;min-height:calc(100vh - 60px)}.huddle-content-container{width:100%}.huddle-main-title{font-size:2rem;color:var(--color-text);margin-bottom:5px}.huddle-manage-details{font-size:var(--font-md);color:var(--color-text-secondary);margin-bottom:30px}.join-meeting-button{background:var(--color-accent);color:var(--color-bg);border:none;padding:15px 20px;border-radius:var(--radius-md);cursor:pointer;font-size:var(--font-lg);font-weight:600;transition:background var(--transition-fast);width:100%}.join-meeting-button:hover{background:var(--color-accent-light)}.controls-bar{display:flex;justify-content:center;align-items:center;gap:30px}.action-buttons-group{display:flex;gap:15px}.control-button{display:flex;flex-direction:row;align-items:center;gap:8px;background:var(--color-accent);color:var(--color-bg);border:none;padding:10px 20px;border-radius:var(--radius-md);cursor:pointer;font-size:var(--font-sm);font-weight:500;transition:background var(--transition-fast)}.control-button:hover{background:var(--color-accent-light)}.leave-button{display:flex;align-items:center;gap:8px;background:var(--color-error);color:var(--color-bg);border:none;padding:10px 20px;border-radius:var(--radius-md);cursor:pointer;font-size:var(--font-sm);font-weight:600;transition:background var(--transition-fast)}.leave-button:hover{background:var(--color-error-hover);color:var(--color-bg)}.video-call-view{width:100%;min-height:100vh;height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:0;background:var(--color-bg);box-sizing:border-box}.video-container{width:calc(100% - 60px);max-width:1400px;aspect-ratio:16 / 9;background:var(--color-card);border-radius:var(--radius-lg);display:flex;align-items:center;justify-content:center;margin-bottom:40px;box-shadow:0 4px 15px #00000080;overflow:hidden}.video-stream{position:relative;width:100%;height:100%}.video-mockup-image{width:100%;height:100%;object-fit:cover}.participant-name{position:absolute;bottom:10px;left:10px;background:#0006;color:var(--color-text);padding:5px 10px;border-radius:var(--radius-sm);font-size:var(--font-sm)}.layout{display:flex;height:100vh}.sidebar{width:240px;background:var(--color-bg-secondary);color:var(--color-text);display:flex;flex-direction:column;justify-content:space-between;transition:width var(--transition-fast),padding var(--transition-fast);border-right:1px solid var(--color-border);padding:.75rem .5rem}.sidebar.collapsed{width:70px;padding:.75rem 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