:root{--bg-sidebar: #f7f6f3;--bg-sidebar-hover: #efefec;--bg-main: #ffffff;--bg-white: #ffffff;--bg-elevated: #f7f6f3;--text-primary: #37352f;--text-dark: #37352f;--text-muted: #787774;--text-light: #37352f;--text-light-muted: #787774;--text-placeholder: #9b9a97;--accent-primary: #7c3aed;--accent-primary-hover: #6d28d9;--accent-ai: #37352f;--accent-ai-light: #f7f6f3;--accent-success: #0f7b6c;--accent-success-light: #e6f5f0;--accent-warning: #c27719;--accent-error: #e03e3e;--border-light: #e9e9e7;--border-dark: #e9e9e7;--empathy-thinks: #f7f6f3;--empathy-says: #f7f6f3;--empathy-does: #f7f6f3;--empathy-feels: #f7f6f3;--left-panel-width: 260px;--right-panel-width: 360px;--header-height: 56px;--mobile-header-height: 52px;--font-family: "Pretendard", -apple-system, BlinkMacSystemFont, system-ui, sans-serif;--spacing-xs: 4px;--spacing-sm: 8px;--spacing-md: 16px;--spacing-lg: 24px;--spacing-xl: 32px;--radius-sm: 3px;--radius-md: 4px;--radius-lg: 6px;--radius-xl: 8px;--shadow-sm: rgba(15, 15, 15, .04) 0px 0px 0px 1px;--shadow-md: rgba(15, 15, 15, .05) 0px 0px 0px 1px, rgba(15, 15, 15, .1) 0px 3px 6px;--shadow-lg: rgba(15, 15, 15, .05) 0px 0px 0px 1px, rgba(15, 15, 15, .1) 0px 5px 10px, rgba(15, 15, 15, .2) 0px 15px 40px;--transition-fast: .12s ease;--transition-normal: .2s ease}body{font-family:var(--font-family);font-size:14px;line-height:1.5;color:var(--text-dark);background:var(--bg-main);-webkit-font-smoothing:antialiased}.left-panel,.content-wrapper,.right-panel,.left-panel *,.content-wrapper *,.right-panel *{scrollbar-width:none;-ms-overflow-style:none}.left-panel::-webkit-scrollbar,.content-wrapper::-webkit-scrollbar,.right-panel::-webkit-scrollbar,.left-panel *::-webkit-scrollbar,.content-wrapper *::-webkit-scrollbar,.right-panel *::-webkit-scrollbar{display:none}.app-layout{display:grid;grid-template-columns:var(--left-panel-width) 1fr var(--right-panel-width);grid-template-rows:1fr;grid-template-areas:"sidebar content aipanel";height:calc(100vh - 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var(--spacing-md);border-bottom:1px solid var(--border-light)}.logo{display:flex;align-items:center;gap:var(--spacing-sm)}.logo-icon{width:32px;height:32px;background:var(--text-dark);border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:600;font-size:11px}.logo-img{width:36px;height:36px;object-fit:contain;border-radius:8px}.logo-text{color:var(--text-dark);font-weight:600;font-size:17px}.user-quick-info{display:flex;flex-direction:column;gap:0;padding-top:var(--spacing-sm);padding:12px var(--spacing-md);margin:12px 8px 0;border-radius:var(--radius-sm);text-decoration:none;color:inherit;cursor:pointer;transition:background .15s ease}.user-quick-info:hover{background:var(--bg-elevated)}.user-quick-info-title{font-size:12px;font-weight:600;color:var(--text-muted);letter-spacing:.3px;margin-bottom:8px}.user-profile-row{display:flex;align-items:center;gap:10px}.user-profile-row 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var(--border-light);border-radius:8px;font-size:13px;color:var(--text-muted)}.system-message.offline-notice{background:var(--bg-elevated);border-color:var(--border-light);color:var(--text-muted)}.system-message .system-icon{font-size:16px}.connection-status{display:flex;align-items:center;gap:6px;padding:4px 10px;font-size:11px;color:var(--text-muted)}.connection-status .status-dot{width:8px;height:8px;border-radius:50%;background:var(--accent-error)}.connection-status.connected .status-dot{background:var(--accent-success)}.system-message.connection-prompt{flex-direction:column;align-items:flex-start;gap:10px;background:var(--bg-elevated);border-color:var(--border-light);color:var(--text-primary)}.system-message.connection-prompt .prompt-content{display:flex;align-items:center;gap:12px;width:100%}.btn-reconnect{padding:6px 12px;background:var(--accent-primary);color:#fff;border:none;border-radius:6px;font-size:12px;font-weight:500;cursor:pointer;transition:background .2s}.btn-reconnect:hover{background:#6d28d9}.btn-reconnect:disabled{background:#c4b5fd;cursor:not-allowed}.system-message.success-notice{background:var(--bg-elevated);border-color:var(--border-light);color:var(--accent-success)}#team-modal{display:none;position:fixed;inset:0;z-index:1000;align-items:center;justify-content:center}.modal-overlay{position:absolute;inset:0;background:#0f0f0f99}.notion-modal{position:relative;background:var(--bg-white);border-radius:8px;box-shadow:0 8px 24px #0f0f0f33;max-width:420px;width:90%;max-height:90vh;overflow:hidden}.modal-header{display:flex;justify-content:space-between;align-items:center;padding:16px 20px;border-bottom:1px solid var(--border-light)}.modal-header h2{font-size:16px;font-weight:600;color:var(--text-primary);margin:0}.modal-close{width:28px;height:28px;display:flex;align-items:center;justify-content:center;background:none;border:none;font-size:20px;color:var(--text-muted);cursor:pointer;border-radius:4px}.modal-close:hover{background:var(--bg-sidebar-hover)}.modal-body{padding:20px}.form-group{margin-bottom:16px}.form-group label{display:block;font-size:13px;font-weight:500;color:var(--text-primary);margin-bottom:6px}.modal-footer{display:flex;justify-content:flex-end;gap:8px;padding:16px 20px;border-top:1px solid var(--border-light)}.invite-code-display{display:flex;align-items:center;justify-content:center;gap:12px;padding:16px;background:var(--bg-elevated);border-radius:8px}.invite-code{font-size:28px;font-weight:700;font-family:SF Mono,Monaco,monospace;letter-spacing:4px;color:var(--text-primary)}.btn-copy{padding:8px;background:none;border:1px solid var(--border-light);border-radius:4px;cursor:pointer;font-size:16px}.btn-copy:hover{background:var(--bg-sidebar-hover)}.toast-notification{position:fixed;bottom:24px;left:50%;transform:translate(-50%) translateY(100px);background:var(--text-primary);color:#fff;padding:12px 24px;border-radius:8px;font-size:14px;opacity:0;transition:transform .3s ease,opacity .3s ease;z-index:2000}.toast-notification.show{transform:translate(-50%) translateY(0);opacity:1}#connection-status{display:none;position:fixed;top:60px;left:50%;transform:translate(-50%);padding:8px 16px;background:#fff;border:1px solid var(--border-light);border-radius:6px;box-shadow:0 4px 12px #0f0f0f0d;z-index:1000}.status-disconnected{color:var(--accent-warning)}.status-failed{color:var(--accent-error)}.main-tabs{display:flex;gap:0;border-bottom:1px solid var(--border-light);margin-bottom:0}.main-tab{padding:12px 24px;font-size:14px;font-weight:500;color:var(--text-muted);background:none;border:none;border-bottom:2px solid transparent;cursor:pointer;transition:color .15s ease,border-color .15s ease}.main-tab:hover{color:var(--text-primary)}.main-tab.active{color:var(--text-primary);border-bottom-color:var(--accent-primary)}@media(max-width:900px){.team-worksheet-area{padding:24px 16px}.empathy-map-grid{grid-template-columns:1fr}.team-list-container{padding:24px}}.team-discord-section .nav-section-content{padding:0}.team-no-team{padding:12px;text-align:center}.team-no-team-msg{font-size:12px;color:var(--text-muted);margin-bottom:12px}.btn-team-action{display:block;width:100%;padding:8px 12px;margin-bottom:8px;font-size:12px;font-weight:500;color:#fff;background:var(--accent-primary);border:none;border-radius:4px;cursor:pointer;transition:background .15s ease}.btn-team-action:hover{background:var(--accent-primary-hover)}.btn-team-action.secondary{color:var(--text-primary);background:var(--bg-elevated)}.btn-team-action.secondary:hover{background:var(--bg-sidebar-hover)}.team-header-bar{display:flex;justify-content:space-between;align-items:center;padding:10px 12px;border-bottom:1px solid var(--border-light)}.team-name-display{font-size:13px;font-weight:600;color:var(--text-primary)}.btn-team-settings{width:24px;height:24px;padding:0;font-size:12px;background:none;border:none;border-radius:4px;cursor:pointer;opacity:.6;transition:opacity .15s ease}.btn-team-settings:hover{opacity:1;background:var(--bg-sidebar-hover)}.team-channels{padding:8px 0}.channel-category{display:flex;align-items:center;justify-content:space-between;padding:8px 12px 4px;font-size:12px;font-weight:700;color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px}.btn-add-channel{width:18px;height:18px;padding:0;border:none;background:transparent;color:var(--text-muted);font-size:14px;font-weight:500;cursor:pointer;border-radius:4px;display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity .15s,background .15s,color .15s}.team-channels:hover .btn-add-channel{opacity:1}.btn-add-channel:hover{background:var(--bg-hover);color:var(--text-primary)}.channel-item{display:flex;align-items:center;gap:6px;padding:6px 12px;margin:1px 8px;font-size:14px;color:var(--text-muted);border-radius:4px;cursor:pointer;transition:background .1s ease,color .1s ease}.channel-item:hover{background:var(--bg-sidebar-hover);color:var(--text-primary)}.channel-item.active{background:#2eaadc26;color:var(--accent-primary)}.channel-hash{font-size:16px;font-weight:500;opacity:.6}.channel-name{flex:1}.channel-unread{min-width:16px;height:16px;padding:0 5px;font-size:10px;font-weight:700;color:#fff;background:var(--accent-error);border-radius:8px;text-align:center;line-height:16px}.floating-chat-header{display:flex;justify-content:space-between;align-items:center;padding:14px 16px;border-bottom:1px solid var(--border-light);background:var(--bg-elevated);border-radius:12px 12px 0 0}.floating-chat-title{display:flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--text-primary)}.floating-chat-title .channel-hash{color:var(--text-muted);font-size:18px}.btn-close-chat{width:28px;height:28px;padding:0;font-size:20px;color:var(--text-muted);background:none;border:none;border-radius:4px;cursor:pointer;line-height:1}.floating-chat-input{flex:1;padding:10px 12px;font-size:13px;border:1px solid var(--border-light);border-radius:8px;resize:none;min-height:40px;max-height:100px;font-family:inherit}.btn-send-float{padding:10px 16px;font-size:13px;font-weight:500;color:#fff;background:var(--accent-primary);border:none;border-radius:8px;cursor:pointer;transition:background .15s ease}.btn-send-float:hover{background:var(--accent-primary-hover)}.float-chat-message{margin-bottom:16px}.float-chat-message.mine{text-align:right}.float-chat-message.ai{background:#f0f9ff;margin:0 -16px 16px;padding:12px 16px}.float-msg-header{display:flex;gap:8px;align-items:baseline;margin-bottom:4px}.float-chat-message.mine .float-msg-header{justify-content:flex-end}.float-msg-author{font-size:13px;font-weight:600;color:var(--text-primary)}.float-msg-author.ai-author{color:var(--accent-primary)}.float-msg-time{font-size:11px;color:var(--text-muted)}.float-msg-content{font-size:14px;line-height:1.5;color:var(--text-primary);white-space:pre-wrap}.chat-empty{text-align:center;padding:40px 20px;color:var(--text-muted)}.chat-empty p{margin:0 0 8px}.chat-empty .hint{font-size:12px}.mention{color:var(--accent-primary);font-weight:500;background:#2eaadc1a;padding:1px 4px;border-radius:3px}.team-sidebar-modal{display:none;position:fixed;inset:0;z-index:1000;align-items:center;justify-content:center}.team-sidebar-modal .modal-overlay{position:absolute;inset:0;background:#0f0f0f99}.team-sidebar-modal .notion-modal{position:relative;background:var(--bg-white);border-radius:8px;box-shadow:0 8px 24px #0f0f0f33;max-width:400px;width:90%}.setting-item{display:flex;justify-content:space-between;align-items:center;padding:12px 0;border-bottom:1px solid var(--border-light)}.setting-value{font-size:14px;font-weight:500;color:var(--text-primary)}.btn-danger{width:100%;padding:10px 16px;font-size:13px;color:var(--accent-error);background:transparent;border:1px solid var(--accent-error);border-radius:6px;cursor:pointer;transition:all .15s ease}.btn-danger:hover{background:var(--accent-error);color:#fff}.team-members-section{padding:8px 0;border-top:1px solid var(--border-light)}.members-category{display:flex;justify-content:space-between;padding:8px 12px 4px;font-size:12px;font-weight:700;color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px}.members-category.offline-category{margin-top:8px}.members-category.collapsible{cursor:pointer;-webkit-user-select:none;user-select:none}.members-category.collapsible:hover{background:var(--bg-sidebar-hover);border-radius:4px}.category-toggle{font-size:10px;color:var(--text-muted);transition:transform .2s ease;display:inline-block;width:14px}.category-toggle.collapsed{transform:rotate(-90deg)}.sidebar-members-list.collapsed{display:none}.members-count{font-weight:600;color:var(--text-muted)}.sidebar-members-list{padding:0 8px}.sidebar-member{display:flex;align-items:center;gap:8px;padding:6px 8px;border-radius:4px;cursor:pointer}.sidebar-member:hover{background:var(--bg-sidebar-hover)}.member-status-dot{width:8px;height:8px;border-radius:50%;flex-shrink:0}.member-status-dot.online{background:#43b581}.member-status-dot.offline{background:#747f8d}.sidebar-member-name{font-size:14px;color:var(--text-primary)}.sidebar-member:has(.member-status-dot.offline) .sidebar-member-name{color:var(--text-muted)}.sidebar-member-role{font-size:10px;padding:2px 6px;background:#fdecc8;color:#9d5b13;border-radius:3px}.dm-unread-badge{display:inline-flex;align-items:center;justify-content:center;min-width:18px;height:18px;padding:0 5px;font-size:11px;font-weight:600;color:#fff;background:#ed4245;border-radius:9px;margin-left:auto}.team-invite-section{padding:8px 12px 12px;border-top:1px solid var(--border-light)}.btn-invite-members{width:100%;padding:8px;font-size:12px;color:var(--primary-color);background:var(--bg-elevated);border:1px solid var(--primary-color);border-radius:4px;cursor:pointer;transition:all .15s ease}.btn-invite-members:hover{background:var(--primary-color);color:#fff}.team-chat-floating{display:none;position:fixed;bottom:24px;left:290px;width:380px;height:480px;background:#fff!important;border:1px solid var(--border-light);border-radius:12px;box-shadow:0 8px 32px #0000004d;flex-direction:column;z-index:99999!important}.team-chat-floating.open{display:flex}.floating-chat-header{display:flex;justify-content:space-between;align-items:center;padding:12px 16px;border-bottom:1px solid var(--border-light);background:var(--bg-elevated);border-radius:12px 12px 0 0}.floating-chat-title{display:flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--text-primary)}.floating-chat-title .channel-hash{color:var(--text-muted)}.btn-close-chat{width:28px;height:28px;padding:0;font-size:18px;color:var(--text-muted);background:none;border:none;border-radius:4px;cursor:pointer}.btn-close-chat:hover{background:var(--bg-sidebar-hover);color:var(--text-primary)}.floating-chat-messages{flex:1;overflow-y:auto;padding:16px}.floating-chat-input-area{display:flex;gap:8px;padding:12px;border-top:1px solid var(--border-light)}.floating-chat-input{flex:1;padding:10px 12px;font-size:13px;border:1px solid var(--border-light);border-radius:8px;resize:none;min-height:40px;max-height:100px}.floating-chat-input:focus{outline:none;border-color:var(--accent-primary)}.btn-ai-help{padding:8px 12px;font-size:12px;color:var(--accent-primary);background:#2eaadc1a;border:none;border-radius:6px;cursor:pointer;white-space:nowrap}.btn-ai-help:hover{background:#2eaadc33}.skeleton-container{padding:24px}.skeleton-card{background:var(--bg-white);padding:20px;margin-bottom:12px;border-bottom:1px solid var(--border-light)}.skeleton-line{height:16px;background:linear-gradient(90deg,var(--bg-elevated) 25%,#e8e8e8 50%,var(--bg-elevated) 75%);background-size:200% 100%;animation:shimmer 1.5s infinite;border-radius:4px;margin-bottom:12px}.skeleton-line.title{width:40%;height:20px}.skeleton-line.short{width:60%}.skeleton-line.full{width:100%}.skeleton-button{width:100%;height:40px;background:linear-gradient(90deg,var(--bg-elevated) 25%,#e8e8e8 50%,var(--bg-elevated) 75%);background-size:200% 100%;animation:shimmer 1.5s infinite;border-radius:4px;margin-top:16px}@keyframes shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}.team-error-state{text-align:center;padding:48px 24px;color:var(--text-muted)}.team-error-state p{font-size:15px;margin-bottom:8px}.team-error-state .error-detail{font-size:12px;color:var(--accent-error);margin-bottom:24px}.team-hint{font-size:12px;color:var(--text-muted);margin-top:24px}.team-workspace-header{display:flex;justify-content:space-between;align-items:center;padding:16px 24px;border-bottom:1px solid var(--border-light);background:var(--bg-white)}.team-workspace-title{display:flex;align-items:center;gap:12px}.team-workspace-title h2{font-size:18px;font-weight:600;color:var(--text-primary);margin:0}.team-workspace-badge{font-size:12px;padding:4px 8px;background:var(--bg-elevated);color:var(--text-muted);border-radius:4px}.btn-leave-team{padding:8px 14px;font-size:13px;color:var(--text-muted);background:transparent;border:1px solid var(--border-light);border-radius:6px;cursor:pointer;transition:all .15s ease}.btn-leave-team:hover{color:var(--text-primary);border-color:var(--text-muted);background:var(--bg-sidebar-hover)}.expanded-team-chat-container{display:flex;flex-direction:column;background:var(--bg-white);border:none;border-radius:0;margin:0;height:calc(100vh - 120px);box-shadow:none}#expanded-team-chat{height:100%}.expanded-chat-header{display:flex;justify-content:flex-start;align-items:center;padding:16px 24px;border-bottom:1px solid var(--border-light);background:var(--bg-white);border-radius:0}.expanded-chat-title{display:flex;align-items:center;gap:10px;font-size:16px;font-weight:600;color:var(--text-primary)}.expanded-chat-title .team-avatar{font-size:20px}.expanded-chat-controls{display:flex;gap:8px}.expanded-chat-controls .btn-ai-control{padding:8px;background:transparent;border:1px solid var(--border-light);border-radius:6px;cursor:pointer;transition:all .15s ease}.expanded-chat-controls .btn-ai-control:hover{background:var(--bg-sidebar-hover);border-color:var(--text-muted)}.expanded-chat-controls .btn-ai-control svg{width:18px;height:18px;color:var(--text-muted)}.expanded-chat-messages{flex:1;overflow-y:auto;padding:20px;display:flex;flex-direction:column;gap:12px}.expanded-chat-messages::-webkit-scrollbar{width:6px}.expanded-chat-messages::-webkit-scrollbar-thumb{background:var(--border-light);border-radius:3px}.expanded-chat-input-area{display:flex;gap:12px;padding:16px 24px;border-top:1px solid var(--border-light);background:var(--bg-white);border-radius:0}.expanded-chat-input{flex:1;padding:12px 16px;border:1px solid var(--border-light);border-radius:8px;font-size:14px;resize:none;background:var(--bg-white);transition:border-color .15s ease}.expanded-chat-input:focus{outline:none;border-color:var(--accent-blue)}.expanded-chat-input-area .btn-send-ai{padding:12px 16px;background:var(--accent-blue);border:none;border-radius:8px;cursor:pointer;transition:background .15s ease}.expanded-chat-input-area .btn-send-ai:hover{background:#0056d6}.expanded-chat-input-area .btn-send-ai svg{width:18px;height:18px;color:#fff}.btn-chat-toggle{display:inline-flex;align-items:center;gap:6px;padding:8px 14px;background:var(--bg-sidebar);border:1px solid var(--border-light);border-radius:6px;font-size:13px;font-weight:500;color:var(--text-secondary);cursor:pointer;transition:all .15s ease}.btn-chat-toggle:hover{background:var(--bg-sidebar-hover);border-color:var(--border-medium);color:var(--text-primary)}.chat-box{display:flex;flex-direction:column;height:100%;background:#36393f;border-radius:8px;overflow:hidden}.channel-tabs{display:flex;gap:4px;padding:8px 12px;background:#2f3136;border-bottom:1px solid #202225}.channel-tabs button{padding:6px 12px;background:transparent;border:none;border-radius:4px;color:#8e9297;font-size:13px;font-weight:500;cursor:pointer;transition:all .15s ease}.channel-tabs button:hover{background:#40444b;color:#dcddde}.channel-tabs button.active{background:#40444b;color:#fff}.message-list{flex:1;overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:16px}.message{display:flex;flex-direction:column;gap:4px}.message-author{font-size:14px;font-weight:600;color:#fff}.message-content{font-size:14px;color:#dcddde;line-height:1.4;word-break:break-word}.message.ai-message .message-author{color:#7289da}.message.ai-message .message-content{background:#7289da1a;padding:8px 12px;border-radius:4px;border-left:3px solid #7289da}.mention{background:#7289da4d;color:#7289da;padding:0 2px;border-radius:3px;font-weight:500;cursor:pointer}.mention:hover{background:#7289da80;text-decoration:underline}.mention.ai-mention{background:#faa61a4d;color:#faa61a}.typing-indicator{padding:8px 16px;font-size:12px;color:#8e9297;font-style:italic}.chat-input-wrapper{display:flex;gap:8px;padding:12px 16px;background:#40444b;border-top:1px solid #202225}.chat-input{flex:1;padding:10px 14px;background:#40444b;border:none;border-radius:8px;color:#dcddde;font-size:14px;font-family:inherit}.chat-input::placeholder{color:#72767d}.chat-input:focus{outline:none}.send-btn{padding:8px 16px;background:#7289da;border:none;border-radius:4px;color:#fff;font-size:13px;font-weight:500;cursor:pointer;transition:background .15s ease}.send-btn:hover{background:#677bc4}.send-btn:disabled{background:#4f545c;cursor:not-allowed}.btn-chat-toggle.active{background:var(--accent-blue);border-color:var(--accent-blue);color:#fff}.btn-chat-toggle.active:hover{background:#0056d6}.btn-connect-workspace{display:flex;align-items:center;justify-content:center;gap:8px;width:100%;padding:12px 16px;margin-bottom:12px;font-size:14px;font-weight:600;color:#fff;background:linear-gradient(135deg,var(--accent-primary) 0%,#6366f1 100%);border:none;border-radius:8px;cursor:pointer;transition:all .2s ease;box-shadow:0 2px 8px #2eaadc4d}.btn-connect-workspace:hover{transform:translateY(-1px);box-shadow:0 4px 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var(--spacing-lg);margin-bottom:var(--spacing-md)}.summary-item{display:flex;align-items:baseline;gap:var(--spacing-sm)}.summary-label{font-size:14px;color:var(--text-secondary)}.summary-value{font-size:24px;font-weight:700}.summary-item.submitted .summary-value{color:var(--accent-success)}.summary-item.not-submitted .summary-value{color:var(--accent-error)}.summary-unit{font-size:14px;color:var(--text-muted)}.summary-divider{color:var(--border-light);font-size:20px}.assignments-layout{display:grid;grid-template-columns:300px 1fr;gap:var(--spacing-md);min-height:500px}.student-list-panel,.worksheet-detail-panel{background:#fff;border:1px solid var(--border-light);border-radius:var(--radius-md);overflow:hidden}.panel-header{display:flex;align-items:center;justify-content:space-between;padding:var(--spacing-md);border-bottom:1px solid var(--border-light);font-weight:600;font-size:14px;background:var(--bg-secondary)}.filter-select{padding:4px 8px;border:1px solid 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var(--border-light)}.worksheet-student-name{font-size:18px;font-weight:600;margin-bottom:var(--spacing-xs)}.worksheet-submit-date{font-size:13px;color:var(--text-muted)}.worksheet-section{margin-bottom:var(--spacing-lg)}.worksheet-section-title{display:flex;align-items:center;font-size:14px;font-weight:600;color:var(--text-primary);margin-bottom:var(--spacing-sm);cursor:pointer}.worksheet-section-title:before{content:"▼";font-size:10px;margin-right:var(--spacing-sm);transition:transform 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a:hover{text-decoration:underline}.reference-desc{font-size:13px;color:var(--text-muted)}.loading-state{display:flex;align-items:center;justify-content:center;height:200px;color:var(--text-muted);font-size:14px}.curriculum-edit-toolbar{margin-top:var(--spacing-lg);padding-top:var(--spacing-lg);border-top:1px solid var(--border-light);display:flex;justify-content:flex-end}@media(max-width:1024px){.kpi-section,.assignments-layout{grid-template-columns:1fr}.curriculum-tabs{flex-wrap:wrap}}.canvas-section{background:var(--bg-main)}.canvas-section .section-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:var(--spacing-md)}.canvas-summary{font-size:13px;color:var(--text-muted);background:var(--bg-elevated);padding:4px 10px;border-radius:4px}.canvas-grid{display:grid;grid-template-columns:repeat(5,1fr);grid-template-rows:repeat(3,auto);gap:4px;margin-bottom:var(--spacing-md)}.canvas-grid .canvas-block[data-block=problem]{grid-column:1;grid-row:1 / 3}.canvas-grid .canvas-block[data-block=solution]{grid-column:2;grid-row:1}.canvas-grid .canvas-block[data-block=key_metrics]{grid-column:2;grid-row:2}.canvas-grid .canvas-block[data-block=unique_value]{grid-column:3;grid-row:1 / 3}.canvas-grid .canvas-block[data-block=unfair_advantage]{grid-column:4;grid-row:1}.canvas-grid .canvas-block[data-block=channels]{grid-column:4;grid-row:2}.canvas-grid .canvas-block[data-block=customer_segment]{grid-column:5;grid-row:1 / 3}.canvas-grid .canvas-block[data-block=cost]{grid-column:1 / 3;grid-row:3}.canvas-grid .canvas-block[data-block=revenue]{grid-column:3 / 6;grid-row:3}.canvas-block{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:var(--spacing-md) var(--spacing-sm);background:var(--bg-main);border:1px solid var(--border-light);border-radius:6px;min-height:80px;transition:all .15s ease;cursor:pointer}.canvas-block:hover{transform:translateY(-1px);box-shadow:0 2px 8px 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var(--spacing-md);background:var(--bg-elevated);border-radius:6px;font-size:12px}.legend-item{display:flex;align-items:center;gap:4px;color:var(--text-muted)}.legend-dot{font-size:10px}.block-progress-section{margin-top:var(--spacing-lg)}.block-progress-section .section-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:var(--spacing-md)}.section-hint{font-size:11px;color:var(--text-muted);background:var(--bg-elevated);padding:2px 8px;border-radius:10px}.block-progress-grid{display:grid;grid-template-columns:1fr 1fr;gap:var(--spacing-sm)}.block-progress-item{display:flex;align-items:center;justify-content:space-between;padding:var(--spacing-sm) var(--spacing-md);background:var(--bg-elevated);border-radius:4px;transition:background .12s}.block-progress-item:hover{background:#ededec}.block-progress-info{display:flex;align-items:center;gap:var(--spacing-sm);flex:1;min-width:0}.block-progress-icon{font-size:18px;flex-shrink:0}.block-progress-name{font-size:13px;font-weight:500;color:var(--text-primary);white-space:nowrap}.block-progress-level{font-size:12px;font-weight:600;padding:2px 8px;border-radius:3px;white-space:nowrap}.block-progress-level.green{background:#dcfce7;color:#15803d}.block-progress-level.blue{background:#dbeafe;color:#1d4ed8}.block-progress-level.orange{background:#fef3c7;color:#d97706}.block-progress-level.red{background:#fecaca;color:#dc2626}.block-progress-level.gray{background:var(--bg-main);color:var(--text-muted)}.block-progress-trend{width:80px;height:30px;flex-shrink:0;margin-left:var(--spacing-sm)}.trend-chart{width:100%;height:100%}.trend-line{fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}.trend-line.green{stroke:#22c55e}.trend-line.blue{stroke:#3b82f6}.trend-line.orange{stroke:#f59e0b}.trend-line.red{stroke:#ef4444}.trend-line.gray{stroke:#9ca3af}.block-progress-legend{display:flex;justify-content:center;gap:var(--spacing-md);margin-top:var(--spacing-md);padding:var(--spacing-sm);font-size:12px}@media(max-width:900px){.canvas-grid{grid-template-columns:repeat(3,1fr);grid-template-rows:auto}.canvas-grid .canvas-block[data-block=problem],.canvas-grid .canvas-block[data-block=solution],.canvas-grid .canvas-block[data-block=key_metrics],.canvas-grid .canvas-block[data-block=unique_value],.canvas-grid .canvas-block[data-block=unfair_advantage],.canvas-grid .canvas-block[data-block=channels],.canvas-grid .canvas-block[data-block=customer_segment],.canvas-grid .canvas-block[data-block=cost],.canvas-grid .canvas-block[data-block=revenue]{grid-column:auto;grid-row:auto}.canvas-legend{flex-wrap:wrap}.block-progress-list{grid-template-columns:1fr}}body.curriculum-fullscreen .sidebar{display:none}body.curriculum-fullscreen .main-content{margin-left:0}.assignments-main{padding:0;background:var(--bg-main);min-height:0}.week-timeline-15{margin-bottom:var(--spacing-md);overflow-x:auto;padding:var(--spacing-sm) 0}.week-timeline-15 .timeline-track{display:flex;gap:var(--spacing-xs);min-width:max-content;padding:0 var(--spacing-sm)}.week-timeline-15 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.node-label{font-size:11px;color:var(--text-muted)}.worksheet-type-tabs{display:flex;gap:var(--spacing-sm);margin-bottom:var(--spacing-md);background:var(--bg-elevated);padding:4px;border-radius:var(--radius-md)}.type-tab{flex:1;padding:var(--spacing-sm) var(--spacing-md);border:none;background:transparent;border-radius:var(--radius-sm);font-size:14px;font-weight:500;color:var(--text-muted);cursor:pointer;transition:all .15s ease}.type-tab:hover{color:var(--text-primary)}.type-tab.active{background:var(--bg-main);color:var(--accent-primary);box-shadow:var(--shadow-sm)}.worksheet-viewer-container{background:var(--bg-main);overflow:hidden}.viewer-header{display:flex;justify-content:space-between;align-items:center;padding:var(--spacing-md) var(--spacing-lg);background:var(--bg-elevated);border-bottom:1px solid var(--border-light)}.viewer-student-name{font-size:16px;font-weight:600;color:var(--text-primary)}.viewer-submit-time{font-size:13px;color:var(--text-muted)}.worksheet-viewer{min-height:400px;max-height:calc(100vh - 400px);overflow-y:auto}.worksheet-viewer .empty-state{display:flex;align-items:center;justify-content:center;height:300px;color:var(--text-muted);font-size:14px}#right-panel-roster .student-item{display:flex;align-items:center;gap:var(--spacing-sm);padding:var(--spacing-sm) var(--spacing-md);border-radius:var(--radius-md);cursor:pointer;transition:background .12s ease}#right-panel-roster .student-item:hover{background:var(--bg-hover)}#right-panel-roster .student-item.active{background:var(--bg-elevated);color:var(--text-primary);border-left:2px solid var(--text-primary)}#right-panel-roster .student-status-dot{width:8px;height:8px;border-radius:50%;flex-shrink:0}#right-panel-roster .student-status-dot.submitted{background:var(--accent-success)}#right-panel-roster 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var(--border-light)}.level-buttons{display:flex;gap:var(--spacing-xs);margin-bottom:var(--spacing-md)}.level-btn{flex:1;padding:8px 12px;border:2px solid var(--border-light);border-radius:var(--radius-sm);background:var(--bg-main);font-size:13px;font-weight:500;cursor:pointer;transition:all .15s ease;color:var(--text-muted)}.level-btn:hover{background:var(--bg-elevated);border-color:var(--text-muted);color:var(--text-primary)}.level-btn.active{background:var(--text-primary);border-color:var(--text-primary);color:#fff}.edit-feedback-text{width:100%;min-height:60px;padding:var(--spacing-sm) var(--spacing-md);border:1px solid var(--border-light);border-radius:var(--radius-sm);font-size:14px;line-height:1.6;resize:none;overflow:hidden;font-family:inherit}.edit-feedback-text:focus{outline:none;border-color:var(--accent-primary);box-shadow:0 0 0 2px #7c3aed1a}.edit-actions{display:flex;justify-content:flex-end;gap:var(--spacing-sm);margin-top:var(--spacing-md)}.edit-actions 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#0000000a}.delivery-settings-header{display:flex;align-items:center;gap:8px;margin-bottom:12px}.delivery-icon{font-size:18px}.delivery-title{font-size:14px;font-weight:600;color:var(--text-primary);flex:1}.delivery-status{font-size:11px;font-weight:500;padding:3px 8px;border-radius:10px;background:var(--level-gray-bg);color:var(--level-gray)}.delivery-status.status-gray{background:var(--level-gray-bg);color:var(--level-gray)}.delivery-status.status-blue{background:var(--level-blue-bg);color:var(--level-blue)}.delivery-status.status-green{background:var(--level-green-bg);color:var(--level-green)}.delivery-status.status-red{background:var(--level-red-bg);color:var(--level-red)}.delivery-settings-body{display:flex;flex-wrap:wrap;align-items:center;gap:16px}.delivery-row{display:flex;align-items:center;gap:8px}.delivery-row label{font-size:13px;color:var(--text-muted);white-space:nowrap}.delivery-row select,.delivery-row input[type=datetime-local]{padding:6px 10px;font-size:13px;border:1px 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14px;font-size:13px;font-weight:500;background:var(--accent-primary);border:none;border-radius:var(--radius-sm);color:#fff;cursor:pointer;transition:background .15s}.btn-delivery-now:hover{background:var(--accent-primary-hover)}@media(max-width:900px){.delivery-settings-body{flex-direction:column;align-items:flex-start}.delivery-actions{margin-left:0;width:100%;justify-content:flex-end}}.student-item .team-info{display:flex;flex-direction:column;flex:1;min-width:0}.student-item .team-members{font-size:11px;color:var(--text-muted)}.readonly-mode input,.readonly-mode textarea,.readonly-mode .notion-input,.readonly-mode .notion-textarea{pointer-events:none}.readonly-mode .assignee-selector,.readonly-mode .assignee-dropdown,.readonly-mode .dropdown-arrow{display:none!important}.readonly-mode .assigned-badge{cursor:default;pointer-events:none}.delivery-settings-compact{padding:12px;border-bottom:1px solid 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.feedback-text{font-size:13px;color:var(--text-primary);line-height:1.6;white-space:pre-wrap}.btn-edit-evaluation,.btn-ai-evaluate{padding:4px 10px;font-size:11px;border-radius:var(--radius-sm);cursor:pointer;border:1px solid var(--border-light);background:var(--bg-main);color:var(--text-secondary);margin-left:auto}.btn-edit-evaluation:hover{background:var(--bg-hover)}.btn-ai-evaluate{background:var(--text-primary);color:#fff;border-color:var(--text-primary);margin-left:0}.btn-ai-evaluate:hover{background:#1a1a1a}.inline-edit-ui{margin-top:var(--spacing-sm);padding:var(--spacing-sm);background:var(--bg-main);border-radius:var(--radius-sm);border:1px solid var(--border-light)}.inline-edit-ui .level-buttons{display:flex;gap:6px;margin-bottom:var(--spacing-sm)}.inline-edit-ui .level-btn{flex:1;padding:8px;font-size:12px;border:1px solid var(--border-light);border-radius:var(--radius-sm);background:var(--bg-main);cursor:pointer}.inline-edit-ui .level-btn:hover{background:var(--bg-hover)}.inline-edit-ui .level-btn.active{background:var(--text-primary);color:#fff;border-color:var(--text-primary)}.inline-edit-ui .edit-feedback-text{width:100%;padding:8px;font-size:13px;border:1px solid var(--border-light);border-radius:var(--radius-sm);resize:vertical;min-height:60px;margin-bottom:var(--spacing-sm);pointer-events:auto}.inline-edit-ui .edit-actions{display:flex;justify-content:flex-end;gap:8px}.inline-edit-ui .btn-cancel,.inline-edit-ui .btn-save{padding:6px 12px;font-size:12px;border-radius:var(--radius-sm);cursor:pointer}.inline-edit-ui .btn-cancel{background:var(--bg-main);border:1px solid var(--border-light);color:var(--text-secondary)}.inline-edit-ui .btn-save{background:var(--text-primary);border:1px solid var(--text-primary);color:#fff}.curriculum-section .nav-section-header{display:flex;align-items:center;gap:10px;padding:10px 16px;cursor:pointer;color:var(--text-primary);font-weight:500;transition:background .15s}.curriculum-section .nav-section-header:hover{background:var(--bg-sidebar-hover)}.curriculum-section .chevron{width:16px;height:16px;margin-left:auto;transition:transform .2s}.curriculum-section.expanded .chevron{transform:rotate(180deg)}.curriculum-section .nav-section-content{display:none;padding-left:8px}.curriculum-section.expanded .nav-section-content{display:block}.curriculum-section .phase-label{padding:12px 16px 6px;font-size:11px;font-weight:600;color:var(--text-muted);letter-spacing:.3px}.curriculum-section .nav-sub-item{display:flex;align-items:center;gap:10px;padding:8px 16px;color:var(--text-primary);text-decoration:none;font-size:13px;border-radius:4px;margin:2px 8px;transition:background .15s;white-space:nowrap}.curriculum-section .nav-sub-item:hover{background:var(--bg-sidebar-hover)}.curriculum-section .nav-sub-item.active{background:var(--accent-primary-bg);color:var(--accent-primary)}.curriculum-section .nav-sub-item.locked{color:var(--text-muted);cursor:not-allowed}.curriculum-section .week-indicator{width:22px;height:22px;border-radius:50%;background:var(--bg-elevated);display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:600;flex-shrink:0}.curriculum-section .week-indicator.current{background:var(--accent-primary);color:#fff}.curriculum-section .nav-sub-item.completed .week-indicator{background:var(--accent-success);color:#fff}.curriculum-section .check-icon{color:var(--accent-success);margin-left:auto}.curriculum-section .lock-icon,.curriculum-section .anchor-icon{margin-left:auto;font-size:12px}.curriculum-content-view.active{display:flex;flex-direction:column;height:100%;overflow:hidden}.curriculum-content-view .content-tabs{display:flex;gap:4px;padding:16px 24px;border-bottom:1px solid var(--border-light);background:var(--bg-main);flex-shrink:0}.curriculum-content-view .content-tab{display:flex;align-items:center;gap:6px;padding:8px 16px;border:none;background:transparent;border-radius:6px;cursor:pointer;font-size:14px;color:var(--text-muted);transition:all .15s}.curriculum-content-view .content-tab:hover{background:var(--bg-elevated);color:var(--text-primary)}.curriculum-content-view .content-tab.active{background:var(--accent-primary);color:#fff}.curriculum-content{flex:1;overflow-y:auto;padding:24px}.curriculum-content .page-loading{display:flex;align-items:center;justify-content:center;height:200px;color:var(--text-muted)}.right-panel{width:var(--right-panel-width);flex-shrink:0;background:var(--bg-main);border-left:1px solid var(--border-light);display:flex;flex-direction:column;height:100%;overflow:hidden}.right-panel.collapsed{display:none}.right-panel.expanded{position:fixed;top:var(--header-height);right:0;width:50%;height:calc(100vh - var(--header-height));z-index:200;box-shadow:var(--shadow-lg)}@media(max-width:1200px){.right-panel{position:fixed;right:0;top:var(--header-height);width:var(--right-panel-width);height:calc(100vh - var(--header-height));z-index:100;box-shadow:var(--shadow-lg);transform:translate(100%);transition:transform .3s ease}.right-panel.open{transform:translate(0)}}.right-panel-content{display:flex;flex-direction:column;height:100%}.team-stats-row{display:flex;gap:12px;margin-bottom:24px;flex-wrap:wrap}.team-stat-card{flex:1;min-width:120px;background:var(--bg-main);border:1px solid var(--border-light);border-radius:8px;padding:16px;text-align:center}.team-stat-card .stat-value{font-size:28px;font-weight:600;color:var(--text-primary)}.team-stat-card .stat-label{font-size:13px;color:var(--text-muted);margin-top:4px}.team-stat-card.stat-green .stat-value{color:var(--level-green)}.team-stat-card.stat-blue .stat-value{color:var(--level-blue)}.team-stat-card.stat-orange .stat-value{color:var(--level-orange)}.team-stat-card.stat-xp .stat-value{color:var(--accent-primary)}.team-list-container{display:flex;flex-direction:column;gap:8px}.team-list-loading,.team-list-empty{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:48px 24px;color:var(--text-muted);gap:12px}.team-list-empty .empty-icon{font-size:48px}.loading-spinner{width:32px;height:32px;border:3px solid var(--border-light);border-top-color:var(--accent-primary);border-radius:50%;animation:spin .8s linear infinite}.loading-spinner-sm{width:16px;height:16px;border:2px solid var(--border-light);border-top-color:var(--accent-primary);border-radius:50%;animation:spin .8s linear infinite;display:inline-block}@keyframes spin{to{transform:rotate(360deg)}}.team-card-notion{background:var(--bg-main);border:1px solid var(--border-light);border-radius:8px;overflow:hidden;transition:box-shadow .2s ease}.team-card-notion:hover{box-shadow:0 2px 8px #0000000f}.team-card-notion.expanded{border-color:var(--accent-primary)}.team-card-header{display:flex;align-items:center;padding:12px 16px;cursor:pointer;gap:12px;transition:background .15s ease}.team-card-header:hover{background:var(--bg-sidebar-hover)}.team-card-toggle{flex-shrink:0;width:20px;color:var(--text-muted);font-size:10px}.team-card-info{flex:1;display:flex;align-items:center;gap:8px;min-width:0}.team-card-info .team-name{font-weight:500;color:var(--text-primary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.team-badge{font-size:11px;padding:2px 8px;border-radius:4px;font-weight:500;flex-shrink:0}.team-badge.status-submitted{background:var(--level-green-bg);color:var(--level-green)}.team-badge.status-ready{background:var(--level-blue-bg);color:var(--level-blue)}.team-badge.status-in_progress{background:var(--level-orange-bg);color:var(--level-orange)}.team-badge.status-pending{background:var(--level-gray-bg);color:var(--level-gray)}.team-card-meta{display:flex;gap:16px;color:var(--text-muted);font-size:13px;flex-shrink:0}.meta-item{display:flex;align-items:center;gap:4px}.meta-icon{font-size:12px}.team-card-progress{width:80px;flex-shrink:0}.progress-bar-mini{height:4px;background:var(--border-light);border-radius:2px;overflow:hidden}.progress-fill-mini{height:100%;border-radius:2px;transition:width .3s ease}.team-card-detail{border-top:1px solid var(--border-light);background:var(--bg-elevated);padding:16px}.detail-loading,.detail-error{display:flex;align-items:center;justify-content:center;gap:8px;padding:24px;color:var(--text-muted);font-size:13px}.detail-error{flex-direction:column}.team-detail-content{display:flex;flex-direction:column;gap:16px}.detail-section{background:var(--bg-main);border:1px solid var(--border-light);border-radius:6px;padding:12px}.detail-section-header{display:flex;align-items:center;gap:8px;margin-bottom:12px;padding-bottom:8px;border-bottom:1px solid var(--border-light)}.detail-section-header.clickable{cursor:pointer}.detail-section-header.clickable:hover{background:var(--bg-sidebar-hover);margin:-12px -12px 12px;padding:12px;border-radius:6px 6px 0 0}.section-icon{font-size:14px}.section-title{font-size:13px;font-weight:600;color:var(--text-primary);flex:1}.section-toggle{font-size:10px;color:var(--text-muted)}.detail-row{display:flex;justify-content:space-between;align-items:center;padding:6px 0;font-size:13px}.detail-label{color:var(--text-muted)}.detail-value{color:var(--text-primary);font-weight:500}.detail-value.code{font-family:monospace;background:var(--bg-elevated);padding:2px 8px;border-radius:4px}.member-list-inline{display:flex;flex-direction:column;gap:8px}.member-row{display:flex;align-items:center;justify-content:space-between;padding:8px;background:var(--bg-elevated);border-radius:6px}.member-info{display:flex;align-items:center;gap:8px}.member-avatar-sm{width:28px;height:28px;border-radius:50%;background:var(--accent-primary);color:#fff;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:600}.member-name{font-size:13px;color:var(--text-primary)}.leader-badge{font-size:10px;background:var(--accent-primary-bg);color:var(--accent-primary);padding:2px 6px;border-radius:4px}.member-contribution{display:flex;align-items:center;gap:8px}.contribution-bar{width:60px;height:6px;background:var(--border-light);border-radius:3px;overflow:hidden}.contribution-fill{height:100%;background:var(--accent-primary);border-radius:3px}.contribution-value{font-size:12px;color:var(--text-muted);min-width:50px;text-align:right}.worksheet-status-grid{display:flex;flex-wrap:wrap;gap:8px}.worksheet-chip{display:flex;align-items:center;gap:4px;padding:6px 10px;border-radius:6px;font-size:12px;background:var(--bg-elevated);border:1px solid var(--border-light)}.worksheet-chip.completed{background:var(--level-green-bg);border-color:var(--level-green);color:var(--level-green)}.worksheet-chip.progress{background:var(--level-orange-bg);border-color:var(--level-orange);color:var(--level-orange)}.worksheet-chip.empty{color:var(--text-muted)}.chip-icon{font-size:10px}.xp-section .xp-summary{display:flex;align-items:baseline;gap:8px;margin-bottom:8px}.xp-total{font-size:24px;font-weight:600;color:var(--accent-primary)}.xp-label{font-size:13px;color:var(--text-muted)}.xp-note{font-size:12px;color:var(--text-muted);font-style:italic}.xp-empty{font-size:13px;color:var(--text-muted);padding:12px 0}.xp-history-table{margin-top:12px;border:1px solid var(--border-light);border-radius:8px;overflow:hidden}.xp-history-table table{width:100%;border-collapse:collapse;font-size:13px}.xp-history-table th,.xp-history-table td{padding:8px 12px;text-align:left;border-bottom:1px solid var(--border-light)}.xp-history-table th{background:var(--bg-sidebar);font-weight:500;color:var(--text-muted);font-size:11px;text-transform:uppercase}.xp-history-table tr:last-child td{border-bottom:none}.xp-history-table .xp-amount{color:var(--accent-primary);font-weight:600}.xp-history-table .xp-date{color:var(--text-muted);font-size:12px}.team-two-column-layout{display:grid;grid-template-columns:340px 1fr;gap:24px;margin-top:20px}.team-analytics-column{display:flex;flex-direction:column;gap:16px;position:sticky;top:20px;align-self:start;max-height:calc(100vh - 200px);overflow-y:auto}.team-list-column{min-width:0}.analytics-empty{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:40px 20px;background:var(--bg-sidebar);border-radius:12px;color:var(--text-muted);gap:8px}.analytics-empty .empty-icon{font-size:32px;opacity:.5}@keyframes skeleton-shimmer{0%{background-position:-200px 0}to{background-position:calc(200px + 100%) 0}}.skeleton-card{background:var(--bg-main);border:1px solid var(--border-light);border-radius:12px;padding:16px}.skeleton-header{display:flex;align-items:center;gap:8px;margin-bottom:12px;padding-bottom:8px;border-bottom:1px solid var(--border-light)}.skeleton-icon{width:24px;height:24px;border-radius:4px;background:linear-gradient(90deg,#f0f0f0 25%,#e0e0e0,#f0f0f0 75%);background-size:200px 100%;animation:skeleton-shimmer 1.5s infinite}.skeleton-title{width:120px;height:16px;border-radius:4px;background:linear-gradient(90deg,#f0f0f0 25%,#e0e0e0,#f0f0f0 75%);background-size:200px 100%;animation:skeleton-shimmer 1.5s infinite}.skeleton-list{display:flex;flex-direction:column;gap:8px}.skeleton-row{height:40px;border-radius:6px;background:linear-gradient(90deg,#f0f0f0 25%,#e0e0e0,#f0f0f0 75%);background-size:200px 100%;animation:skeleton-shimmer 1.5s infinite}.skeleton-row.short{height:36px}.skeleton-team-card{height:80px;border-radius:12px;margin-bottom:12px;background:linear-gradient(90deg,#f0f0f0 25%,#e0e0e0,#f0f0f0 75%);background-size:200px 100%;animation:skeleton-shimmer 1.5s infinite}@media(max-width:900px){.team-two-column-layout{grid-template-columns:1fr}.team-analytics-column{position:static;max-height:none;flex-direction:row;flex-wrap:wrap}.analytics-card{flex:1 1 280px}}.team-analytics-section{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:16px;margin-bottom:20px}.analytics-card{background:var(--bg-main);border:1px solid var(--border-light);border-radius:12px;padding:16px}.analytics-card.at-risk{border-color:#f59e0b;background:linear-gradient(135deg,#fffbeb 0%,var(--bg-main) 100%)}.analytics-header{display:flex;align-items:center;gap:8px;margin-bottom:12px;padding-bottom:8px;border-bottom:1px solid var(--border-light)}.analytics-icon{font-size:18px}.analytics-title{font-weight:600;font-size:14px}.analytics-list{display:flex;flex-direction:column;gap:8px}.ranking-item{display:flex;align-items:center;gap:12px;padding:10px 12px;border-radius:6px;background:var(--bg-sidebar);transition:all .2s}.ranking-item:hover{background:var(--bg-hover)}.ranking-item .rank-number{width:24px;height:24px;display:flex;align-items:center;justify-content:center;background:var(--accent-primary);color:#fff;border-radius:50%;font-size:12px;font-weight:600}.ranking-item .rank-name{flex:1;font-size:14px;color:var(--text-primary)}.ranking-item .rank-xp{font-size:13px;font-weight:600;color:var(--accent-primary)}.risk-item{display:flex;align-items:center;justify-content:space-between;padding:10px 12px;border-radius:6px;background:var(--bg-sidebar);border-left:3px solid #f59e0b}.risk-item .risk-name{font-size:14px;color:var(--text-primary);font-weight:500}.risk-item .risk-reason{font-size:12px;color:#f59e0b;background:#fef3c7;padding:2px 8px;border-radius:4px}.analytics-card.risk-card{border-color:#f59e0b;background:linear-gradient(135deg,#fffbeb 0%,var(--bg-main) 100%)}.xp-ranking-list{display:flex;flex-direction:column;gap:8px}.ranking-row{display:flex;align-items:center;gap:12px;padding:8px;border-radius:6px;background:var(--bg-sidebar);cursor:pointer;transition:all .2s}.ranking-row:hover{transform:translate(4px);box-shadow:0 2px 8px #0000001a}.ranking-row.top-three{background:linear-gradient(135deg,#fef3c7,#fde68a)}.rank-badge{width:24px;height:24px;display:flex;align-items:center;justify-content:center;border-radius:50%;font-size:12px;font-weight:600;background:var(--text-muted);color:#fff}.rank-badge.rank-1{background:linear-gradient(135deg,#fbbf24,#f59e0b)}.rank-badge.rank-2{background:linear-gradient(135deg,#9ca3af,#6b7280)}.rank-badge.rank-3{background:linear-gradient(135deg,#d97706,#b45309)}.rank-name{flex:1;font-size:13px;font-weight:500}.rank-xp{font-size:13px;font-weight:600;color:var(--accent-primary)}.rank-progress{font-size:12px;color:var(--text-muted);min-width:40px;text-align:right}.at-risk-list{display:flex;flex-direction:column;gap:6px}.at-risk-row{display:flex;justify-content:space-between;align-items:center;padding:8px 12px;background:#fff;border-radius:6px;cursor:pointer;transition:background .2s}.at-risk-row:hover{background:#fef3c7}.at-risk-name{font-size:13px;font-weight:500}.at-risk-progress{font-size:12px;color:#dc2626;font-weight:500}.btn-retry{padding:8px 16px;border:1px solid var(--border-light);border-radius:6px;background:var(--bg-main);color:var(--text-primary);cursor:pointer;font-size:13px}.btn-retry:hover{background:var(--bg-sidebar-hover)}.btn-sm{padding:4px 12px;border:1px solid var(--border-light);border-radius:4px;background:var(--bg-main);color:var(--text-primary);cursor:pointer;font-size:12px}.btn-sm:hover{background:var(--bg-sidebar-hover)}.view-content>.content-tabs{padding-left:0;margin-bottom:20px}.tab-content{display:none}.tab-content.active{display:block}.settings-section{background:#fff;border-radius:12px;border:1px solid var(--border-light);padding:24px;margin-bottom:20px}.settings-section h3{font-size:16px;font-weight:600;margin-bottom:16px;padding-bottom:12px;border-bottom:1px solid var(--border-light);display:flex;align-items:center;gap:8px}.settings-section h3 .icon{vertical-align:-3px;margin-right:4px}.form-group{margin-bottom:20px}.form-group:last-child{margin-bottom:0}.form-group label{display:block;font-size:13px;font-weight:600;color:var(--text-secondary);margin-bottom:6px}.form-group input[type=text],.form-group input[type=number],.form-group textarea,.form-group select{width:100%;padding:10px 12px;border:1px solid var(--border-light);border-radius:6px;font-size:14px;transition:border-color .2s,box-shadow .2s}.form-group input:focus,.form-group textarea:focus,.form-group select:focus{outline:none;border-color:var(--accent-primary);box-shadow:0 0 0 3px #4f46e51a}.form-group textarea{min-height:80px;resize:vertical}.form-row{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.form-row.three-cols{grid-template-columns:repeat(3,1fr)}.ksa-editor{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.ksa-column{background:var(--bg-sidebar);border-radius:8px;padding:16px}.ksa-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}.ksa-header h4{font-size:14px;font-weight:600;margin:0;display:flex;align-items:center;gap:6px}.ksa-badge{display:inline-flex;align-items:center;justify-content:center;width:20px;height:20px;border-radius:4px;font-size:12px;font-weight:600;color:#fff}.ksa-badge.knowledge{background:#3b82f6}.ksa-badge.skill{background:#10b981}.ksa-badge.attitude{background:#f59e0b}.ksa-list{display:flex;flex-direction:column;gap:8px;min-height:100px}.ksa-item{display:flex;align-items:center;gap:8px;padding:8px 12px;background:#fff;border-radius:6px;border:1px solid var(--border-light)}.ksa-item input{flex:1;border:none;background:transparent;font-size:13px;outline:none}.ksa-item .btn-remove{padding:2px 6px;border:none;background:none;color:var(--text-muted);cursor:pointer;font-size:16px;opacity:0;transition:opacity .2s}.ksa-item:hover .btn-remove{opacity:1}.ksa-item .btn-remove:hover{color:#dc2626}.btn-add-item{display:flex;align-items:center;justify-content:center;gap:6px;padding:8px;border:2px dashed var(--border-light);border-radius:6px;background:transparent;color:var(--text-muted);font-size:13px;cursor:pointer;transition:all .2s}.btn-add-item:hover{border-color:var(--accent-primary);color:var(--accent-primary)}.week-schedule-list{display:flex;flex-direction:column;gap:8px}.week-schedule-item{display:grid;grid-template-columns:60px 1fr 140px 100px 80px;gap:12px;align-items:center;padding:12px 16px;background:#fff;border:1px solid var(--border-light);border-radius:8px;transition:all .2s}.week-schedule-item.editing{grid-template-columns:60px 1fr 280px 100px 80px;background:#fafafa;border-color:var(--accent-primary)}.week-schedule-item:hover{border-color:var(--accent-primary);box-shadow:0 2px 8px #0000000d}.week-schedule-item.locked{background:var(--bg-sidebar);opacity:.7}.week-number{font-size:14px;font-weight:600;color:var(--accent-primary)}.week-topic{font-size:14px;color:var(--text-primary)}.week-date{font-size:13px;color:var(--text-muted)}.week-status{display:inline-flex;align-items:center;gap:4px;padding:4px 10px;border-radius:12px;font-size:12px;font-weight:500}.week-status.open{background:#dcfce7;color:#16a34a}.week-status.closed{background:#f3f4f6;color:var(--text-muted)}.week-status.upcoming{background:#fef3c7;color:#d97706}.week-actions{display:flex;gap:4px}.week-actions .btn-icon{padding:6px;border:1px solid var(--border-light);border-radius:4px;background:#fff;cursor:pointer;transition:all .2s}.week-actions .btn-icon:hover{background:var(--bg-sidebar);border-color:var(--accent-primary)}.week-date-edit{display:flex;align-items:center;gap:4px}.week-date-edit .date-input{width:120px;padding:4px 8px;font-size:13px;border:1px solid var(--border-light);border-radius:4px;background:#fff}.week-date-edit .date-input:focus{outline:none;border-color:var(--accent-primary)}.evaluation-items{display:flex;flex-direction:column;gap:12px}.evaluation-category{background:#fff;border:1px solid var(--border-light);border-radius:8px;overflow:hidden}.evaluation-category-header{display:flex;justify-content:space-between;align-items:center;padding:12px 16px;background:var(--bg-sidebar);border-bottom:1px solid var(--border-light)}.evaluation-category-header h4{font-size:14px;font-weight:600;margin:0;display:flex;align-items:center;gap:8px}.category-badge{display:inline-flex;align-items:center;justify-content:center;padding:2px 10px;border-radius:4px;font-size:13px;font-weight:500;background:var(--bg-elevated);color:var(--text-muted);border:1px solid var(--border-light)}.evaluation-item-list{padding:var(--spacing-sm) var(--spacing-md)}.evaluation-item{display:flex;flex-direction:column;gap:var(--spacing-sm);padding:var(--spacing-sm) 0;border-bottom:1px solid var(--border-light)}.evaluation-item:last-child{border-bottom:none}.item-main{display:grid;grid-template-columns:1fr 80px 60px;gap:var(--spacing-sm);align-items:center}.item-name{font-size:14px;font-weight:500;color:var(--text-primary)}.item-criteria{display:flex;flex-wrap:wrap;gap:var(--spacing-xs);padding-left:var(--spacing-sm)}.criteria-tag{font-size:12px;color:var(--text-muted);background:var(--bg-elevated);padding:2px 8px;border-radius:4px}.item-weight{font-size:14px;color:var(--text-muted)}.btn-edit{padding:var(--spacing-xs) var(--spacing-sm);font-size:12px;color:var(--text-muted);background:transparent;border:1px solid var(--border-light);border-radius:var(--radius-sm);cursor:pointer}.btn-edit:hover{background:var(--bg-elevated);color:var(--text-dark)}.evaluation-item.editing{background:var(--bg-elevated);padding:var(--spacing-md);border-radius:var(--radius-md)}.edit-row{margin-bottom:var(--spacing-md);width:100%}.edit-row label{display:block;font-size:12px;color:var(--text-muted);margin-bottom:var(--spacing-xs)}.edit-row .empathy-input{display:block;width:100%;min-width:200px;box-sizing:border-box}.edit-row .empathy-input.auto-width{width:auto;min-width:100px;max-width:100%}.edit-input{display:inline-block;min-width:100px;width:auto;padding:var(--spacing-xs) 0;font-size:14px;border:none;border-bottom:1px solid var(--border-light);background:transparent}.edit-input:focus{outline:none;border-bottom-color:var(--text-dark)}.edit-input-sm{min-width:60px;width:60px}.edit-actions{display:flex;gap:var(--spacing-sm);justify-content:flex-end;margin-top:var(--spacing-md)}.edit-actions 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var(--border-light)}.btn-save{display:inline-flex;align-items:center;gap:6px;padding:10px 24px;background:var(--accent-primary);color:#fff;border:none;border-radius:6px;font-size:14px;font-weight:500;cursor:pointer;transition:all .2s}.btn-save:hover{background:var(--accent-hover)}.btn-save:disabled{background:var(--text-muted);cursor:not-allowed}.btn-cancel{padding:10px 24px;background:#fff;color:var(--text-secondary);border:1px solid var(--border-light);border-radius:6px;font-size:14px;font-weight:500;cursor:pointer;transition:all .2s}.btn-cancel:hover{background:var(--bg-sidebar)}.settings-skeleton .skeleton-line{height:40px;margin-bottom:16px}.settings-skeleton .skeleton-box{height:120px;margin-bottom:20px}.instructor-mobile-header{display:none;align-items:center;gap:12px;height:var(--mobile-header-height);padding:0 16px;background:var(--bg-sidebar);border-bottom:1px solid var(--border-light);flex-shrink:0}.instructor-mobile-header .mobile-hamburger{background:none;border:none;padding:6px;cursor:pointer;color:var(--text-primary);display:flex;align-items:center}.instructor-mobile-header .mobile-header-title{display:flex;align-items:center;gap:8px;font-size:15px;font-weight:600;color:var(--text-primary);text-decoration:none}.instructor-mobile-header .mobile-logo-img{width:28px;height:28px;object-fit:contain;border-radius:10px}.header .mobile-hamburger-inline{display:none;background:none;border:none;padding:6px;cursor:pointer;color:var(--text-primary);align-items:center;margin-right:4px}.sidebar-mobile-close{display:none}.mobile-backdrop-instructor{position:fixed;inset:0;background:#0006;z-index:250}@media(min-width:1201px){body[data-role=professor] .app-layout:not(:has(.right-panel)) .main-content,body[data-role=instructor] .app-layout:not(:has(.right-panel)) .main-content,body[data-role=admin] .app-layout:not(:has(.right-panel)) .main-content{padding-right:360px}}@media(max-width:1200px){body[data-role=professor] .main-content,body[data-role=instructor] .main-content,body[data-role=admin] .main-content{padding:28px 28px 20px}}@media(max-width:768px){.header .mobile-hamburger-inline{display:flex}.header{padding:0 12px}.header-left{gap:8px}.header-title{font-size:12px}.header-right .user-email-display{display:none}body[data-role=professor] .app-layout,body[data-role=instructor] .app-layout,body[data-role=admin] .app-layout{height:calc(100vh - var(--header-height))}body[data-role=professor] .sidebar,body[data-role=instructor] .sidebar,body[data-role=admin] .sidebar{position:fixed;left:0;top:0;width:var(--sidebar-width);height:100vh;z-index:300;transform:translate(-100%);transition:transform .3s ease;box-shadow:none}body[data-role=professor] .sidebar.open,body[data-role=instructor] .sidebar.open,body[data-role=admin] .sidebar.open{transform:translate(0);box-shadow:4px 0 24px #00000026}.sidebar-mobile-close{display:flex;align-items:center;justify-content:flex-end;padding:12px 16px 4px}.sidebar-mobile-close button{background:none;border:none;padding:6px;cursor:pointer;color:var(--text-muted);display:flex;align-items:center}.sidebar-mobile-close button:hover{color:var(--text-primary)}body[data-role=professor] .main-content,body[data-role=instructor] .main-content,body[data-role=admin] .main-content{padding:16px}.right-panel{width:100%!important;max-width:360px}.view-header h2{font-size:20px}.view-actions{flex-wrap:wrap;gap:8px}.stats-cards{flex-wrap:wrap}.stats-cards .stat-card{flex:1 1 calc(50% - 8px);min-width:140px}.team-stats-row{flex-wrap:wrap}.team-stats-row .team-stat-card{flex:1 1 calc(50% - 8px);min-width:120px}.misconception-stats{flex-wrap:wrap}.misconception-stats .stat-card{flex:1 1 100%}.evaluation-stats{flex-wrap:wrap}.evaluation-stats .stat-card{flex:1 1 100%}.analysis-summary{flex-wrap:wrap}.analysis-summary .summary-card{flex:1 1 100%}.kpi-grid{grid-template-columns:repeat(2,1fr)!important}.data-table-wrapper{overflow-x:auto;-webkit-overflow-scrolling:touch}.data-table{min-width:600px}.week-timeline-15 .timeline-track{overflow-x:auto;-webkit-overflow-scrolling:touch;justify-content:flex-start;padding-bottom:8px}.week-timeline-15 .timeline-track:after{min-width:max-content}.canvas-grid{display:flex!important;flex-direction:column;gap:12px}.canvas-grid .canvas-block{grid-column:auto!important;grid-row:auto!important}.ksa-editor{flex-direction:column}.ksa-column{width:100%}.team-two-column-layout{grid-template-columns:1fr!important}.curriculum-content-view .content-tabs{overflow-x:auto;-webkit-overflow-scrolling:touch;flex-wrap:nowrap}.curriculum-content-view .content-tab{white-space:nowrap;flex-shrink:0}.delivery-settings-body,.form-row{flex-direction:column}.form-row .form-group{width:100%}.week-schedule-item{flex-wrap:wrap;gap:8px}}