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768px){.sidebar{display:none}.main-content{padding-bottom:70px}.bottom-nav-bar{display:flex}.chat-interface-container,.question-bank-container,.home-page-container-revised,.calc-wizard-container,.saved-questions-page-container{padding-bottom:20px}.theme-toggle{bottom:85px}}@media (max-width: 480px){.bottom-nav-bar{height:55px}.main-content{padding-bottom:55px}.bottom-nav-icon{font-size:1.2em}.bottom-nav-label{font-size:.65em}.theme-toggle{bottom:70px;width:38px;height:38px;padding:5px}}.sidebar-nav a .sidebar-icon{margin-right:10px;width:18px;height:18px;color:var(--text-muted);flex-shrink:0}.sidebar-nav a:hover .sidebar-icon,.sidebar-nav a.active .sidebar-icon{color:var(--brand-primary)}.theme-toggle-sidebar-container{display:flex;justify-content:center;padding:5px 0;margin:0 10px}[data-theme=dark] .sidebar-nav a .sidebar-icon{color:var(--text-muted)}[data-theme=dark] .sidebar-nav a:hover .sidebar-icon,[data-theme=dark] .sidebar-nav a.active .sidebar-icon{color:var(--brand-primary)}.sidebar-nav a .nav-link-text,.sidebar-footer a .nav-link-text{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.sidebar-footer a .sidebar-icon-footer{margin-right:8px;width:16px;height:16px;color:var(--text-muted);vertical-align:middle;flex-shrink:0}.sidebar-footer a:hover .sidebar-icon-footer{color:var(--text-primary)}[data-theme=dark] .sidebar-footer a .sidebar-icon-footer{color:var(--text-muted)}[data-theme=dark] .sidebar-footer a:hover .sidebar-icon-footer{color:var(--text-primary)}@media (max-width: 768px){.theme-toggle-sidebar-container{display:none}}.saved-questions-link-container{margin-bottom:20px;text-align:right;padding:0 5px}.saved-questions-page-link{display:inline-block;padding:8px 16px;background-color:var(--bg-tertiary);color:var(--brand-primary);border:1px solid var(--border-primary);border-radius:6px;text-decoration:none;font-weight:500;font-size:.9em;transition:background-color .2s ease,color .2s ease,border-color .2s ease}.saved-questions-page-link:hover{background-color:var( --brand-secondary );border-color:var(--brand-primary);color:var(--brand-primary)}[data-theme=dark] .saved-questions-page-link:hover{background-color:var(--brand-primary);color:var(--bg-primary);border-color:var(--brand-primary)}.more-menu-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background-color:#0006;display:flex;align-items:flex-end;justify-content:center;z-index:1010}.more-menu-panel{background-color:var(--bg-primary);width:100%;max-width:500px;border-top-left-radius:16px;border-top-right-radius:16px;box-shadow:0 -5px 20px #0000001a;padding:15px 0 20px;max-height:70vh;overflow-y:auto;display:flex;flex-direction:column}.more-menu-header{display:flex;justify-content:space-between;align-items:center;padding:0 20px 15px;border-bottom:1px solid var(--border-primary);flex-shrink:0}.more-menu-title{font-size:1.1em;font-weight:600;color:var(--text-primary);margin:0}.more-menu-close-btn{background:none;border:none;padding:5px;color:var(--text-muted);cursor:pointer;display:flex;align-items:center;justify-content:center;border-radius:50%}.more-menu-close-btn:hover{background-color:var(--bg-tertiary);color:var(--text-primary)}.more-menu-close-btn svg{width:22px;height:22px}.more-menu-nav{padding:10px 0 0;flex-grow:1;overflow-y:auto}.more-menu-item{display:flex;align-items:center;gap:15px;padding:12px 25px;color:var(--text-secondary);text-decoration:none;font-size:1em;font-weight:500;transition:background-color .2s ease,color .2s ease;border-radius:0;width:100%;text-align:left;background:none;border:none;cursor:pointer}.more-menu-item:hover,.more-menu-item.active{background-color:var(--bg-tertiary);color:var(--brand-primary)}.more-menu-item-icon{width:20px;height:20px;color:var(--text-muted);flex-shrink:0}.more-menu-item:hover .more-menu-item-icon,.more-menu-item.active .more-menu-item-icon{color:var( --brand-primary )}.more-menu-item-label{flex-grow:1}[data-theme=dark] .more-menu-panel{background-color:var(--bg-tertiary);box-shadow:0 -5px 20px #0000004d}[data-theme=dark] .more-menu-header{border-bottom-color:var(--border-primary)}[data-theme=dark] .more-menu-title{color:var(--text-primary)}[data-theme=dark] .more-menu-close-btn{color:var(--text-muted)}[data-theme=dark] .more-menu-close-btn:hover{background-color:#4a4a4a;color:var(--text-primary)}[data-theme=dark] .more-menu-item{color:var(--text-secondary)}[data-theme=dark] .more-menu-item:hover,[data-theme=dark] .more-menu-item.active{background-color:#3a3a3a;color:var(--brand-primary)}[data-theme=dark] .more-menu-item-icon{color:var(--text-muted)}[data-theme=dark] .more-menu-item:hover .more-menu-item-icon,[data-theme=dark] .more-menu-item.active .more-menu-item-icon{color:var(--brand-primary)}.more-menu-panel:before{content:"";display:block;width:40px;height:4px;background-color:var(--border-secondary);border-radius:2px;margin:-5px auto 10px;flex-shrink:0}[data-theme=dark] .more-menu-panel:before{background-color:var(--border-secondary)}