.board-container{max-width:720px;margin:0 auto;padding:40px 24px 80px}.board-header{margin-bottom:32px}.board-header h1{font-size:28px;font-weight:700;color:var(--text-primary);margin-bottom:6px}.board-desc{font-size:15px;color:var(--text-muted)}.search-bar{margin-bottom:20px}.search-input-wrapper{position:relative;display:flex;align-items:center}.search-icon{position:absolute;left:14px;font-size:16px;color:var(--text-muted);pointer-events:none}.search-input{width:100%;padding:11px 40px;border:1px solid var(--border-card);border-radius:10px;font-size:14px;font-family:var(--font-body);color:var(--text-primary);background:var(--bg-card);transition:border-color .15s,box-shadow .15s}.search-input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 2px #7b5ea71f}.search-input::placeholder{color:var(--text-faint)}.search-clear{position:absolute;right:10px;background:none;border:none;font-size:18px;color:var(--text-muted);cursor:pointer;padding:4px 8px;border-radius:4px;transition:background .15s,color .15s}.search-clear:hover{background:var(--bg-muted, rgba(0,0,0,.05));color:var(--text-primary)}.search-result-hint{margin-top:8px;font-size:13px;color:var(--text-muted)}.write-composer{margin-bottom:24px}.composer-collapsed{background:var(--bg-card);border:1px solid var(--border-card);border-radius:12px;padding:14px 18px;cursor:text;transition:border-color .15s,box-shadow .15s}.composer-collapsed:hover{border-color:var(--accent);box-shadow:0 0 0 2px #7b5ea714}.composer-trigger{color:var(--text-faint);font-size:15px}.composer-expanded{background:var(--bg-card);border:1px solid var(--border-card);border-radius:12px;padding:18px}.composer-nickname{width:100%;padding:10px 14px;border:1px solid var(--border-card);border-radius:8px;font-size:14px;font-family:var(--font-body);color:var(--text-primary);background:var(--bg-page);margin-bottom:10px;transition:border-color .15s}.composer-title{width:100%;padding:10px 14px;border:1px solid var(--border-card);border-radius:8px;font-size:15px;font-weight:600;font-family:var(--font-body);color:var(--text-primary);background:var(--bg-page);margin-bottom:10px;transition:border-color .15s}.composer-textarea-wrapper{position:relative}.composer-textarea{width:100%;padding:10px 14px;border:1px solid var(--border-card);border-radius:8px;font-size:14px;font-family:var(--font-body);color:var(--text-primary);background:var(--bg-page);line-height:1.6;resize:vertical;transition:border-color .15s}.composer-nickname:focus,.composer-title:focus,.composer-textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 2px #7b5ea71f}.composer-nickname::placeholder,.composer-title::placeholder,.composer-textarea::placeholder{color:var(--text-faint)}.composer-footer{display:flex;justify-content:space-between;align-items:center;margin-top:10px}.composer-attach-btn{background:none;border:1px solid var(--border-card);border-radius:6px;padding:6px 12px;font-size:16px;cursor:pointer;color:var(--text-secondary);transition:all .15s}.composer-attach-btn:hover{border-color:var(--accent);color:var(--accent);background:var(--accent-bg, rgba(123,94,167,.05))}.composer-actions{display:flex;gap:8px}.inline-img-preview{margin-top:10px;position:relative;display:inline-block}.inline-img-preview img{max-width:200px;max-height:150px;border-radius:6px;border:1px solid var(--border-card);object-fit:cover}.inline-img-remove{position:absolute;top:-6px;right:-6px;background:#e8590c;color:#fff;border:none;border-radius:50%;width:22px;height:22px;font-size:12px;cursor:pointer;display:flex;align-items:center;justify-content:center;box-shadow:0 2px 6px #00000026}.questions-toolbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}.total-count{font-size:13px;color:var(--text-muted)}.questions-list{display:flex;flex-direction:column;gap:8px}.loading-state{text-align:center;padding:40px 0;color:var(--text-muted)}.spinner{display:inline-block;width:14px;height:14px;border:2px solid var(--border-card);border-top-color:var(--accent);border-radius:50%;animation:spin .5s linear infinite;vertical-align:middle;margin-right:6px}@keyframes spin{to{transform:rotate(360deg)}}.question-card{background:var(--bg-card);border:1px solid var(--border-card);border-radius:12px;padding:12px 16px;cursor:pointer;user-select:none;-webkit-tap-highlight-color:rgba(123,94,167,.1);touch-action:manipulation;transition:box-shadow .15s,border-color .15s}.question-card:hover{border-color:var(--accent);box-shadow:0 2px 8px #7b5ea71f}.question-card:active{background:#7b5ea708}.question-card-row{display:flex;justify-content:space-between;align-items:center;gap:12px}.question-card-left{display:flex;align-items:center;gap:6px;min-width:0;flex:1}.question-card-title-text{font-size:15px;font-weight:600;color:var(--text-primary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.question-card-right{display:flex;align-items:center;gap:6px;font-size:13px;color:var(--text-muted);flex-shrink:0;white-space:nowrap}.question-card-nickname{font-weight:500}.question-card-date{color:var(--text-faint, #999)}.question-card-right .dot{color:var(--border-card)}.answer-count-badge{background:var(--accent-bg, rgba(123,94,167,.1));color:var(--accent);font-size:12px;font-weight:700;padding:2px 8px;border-radius:10px}.img-badge{color:var(--accent);font-size:14px}.modal-overlay{position:fixed;inset:0;background:#00000073;z-index:1000;display:flex;align-items:center;justify-content:center;padding:12px;overflow-y:auto}.modal-box{background:var(--bg-card);border-radius:16px;box-shadow:0 12px 48px #00000040;max-width:640px;width:100%;max-height:85vh;display:flex;flex-direction:column;margin:auto}.modal-header{display:flex;justify-content:space-between;align-items:flex-start;padding:20px 24px;border-bottom:1px solid var(--border-card);gap:16px}.modal-header-left{flex:1;min-width:0}.modal-title-row{display:flex;align-items:center;gap:8px}.modal-title{font-size:18px;font-weight:700;color:var(--text-primary);margin-bottom:8px;line-height:1.4;word-break:break-word;flex:1}.edit-btn,.edit-answer-btn{display:none!important}.edit-btn-disabled{background:none;border:1px solid var(--border-card);border-radius:6px;padding:4px 8px;font-size:14px;cursor:pointer;color:var(--text-secondary);transition:all .15s;flex-shrink:0}.edit-btn:hover{border-color:var(--accent);color:var(--accent);background:var(--accent-bg, rgba(123,94,167,.05))}.modal-meta{display:flex;gap:8px;font-size:13px;color:var(--text-muted);align-items:center;flex-wrap:wrap}.modal-avatar{width:20px;height:20px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;font-size:11px;font-weight:700;color:#fff;margin-right:2px}.modal-nickname{font-weight:500}.modal-meta .dot{color:var(--border-card)}.modal-close{background:none;border:none;font-size:24px;color:var(--text-muted);cursor:pointer;padding:0;width:32px;height:32px;display:flex;align-items:center;justify-content:center;border-radius:6px;transition:background .15s,color .15s;flex-shrink:0}.modal-close:hover{background:var(--bg-muted, rgba(0,0,0,.05));color:var(--text-primary)}.modal-body{padding:20px 24px;overflow-y:auto;flex:1}.modal-question-content{font-size:15px;line-height:1.8;color:var(--text-primary);white-space:pre-wrap;word-break:break-word;margin-bottom:16px}.modal-question-image img{max-width:100%;border-radius:8px;border:1px solid var(--border-card);margin-bottom:16px}.question-edit-form{margin-bottom:16px}.edit-input{width:100%;padding:10px 14px;border:1px solid var(--border-card);border-radius:8px;font-size:15px;font-weight:600;font-family:var(--font-body);color:var(--text-primary);background:var(--bg-page);margin-bottom:10px;transition:border-color .15s}.edit-textarea-wrapper{position:relative}.edit-textarea{width:100%;padding:10px 14px;border:1px solid var(--border-card);border-radius:8px;font-size:14px;font-family:var(--font-body);color:var(--text-primary);background:var(--bg-page);line-height:1.6;resize:vertical;transition:border-color .15s}.edit-input:focus,.edit-textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 2px #7b5ea71f}.edit-footer{display:flex;justify-content:space-between;align-items:center;margin-top:10px}.edit-actions{display:flex;gap:8px}.modal-divider{border:none;border-top:1px solid var(--border-card);margin:16px 0}.modal-thread-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px}.thread-title{font-size:14px;font-weight:600;color:var(--text-primary)}.thread-count{background:var(--accent-bg, rgba(123,94,167,.1));color:var(--accent);font-size:12px;font-weight:700;padding:2px 8px;border-radius:10px;margin-left:6px}.modal-thread-list{display:flex;flex-direction:column;gap:16px;margin-bottom:20px}.thread-item{display:flex;gap:10px}.thread-avatar{width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;color:#fff;flex-shrink:0}.thread-content{flex:1;min-width:0}.thread-meta{display:flex;gap:6px;align-items:center;margin-bottom:6px;font-size:13px}.thread-nickname{font-weight:600;color:var(--text-primary)}.thread-date{color:var(--text-muted)}.thread-body{font-size:14px;line-height:1.7;color:var(--text-primary);white-space:pre-wrap;word-break:break-word}.thread-image{margin-top:8px;max-width:280px;border-radius:6px;border:1px solid var(--border-card)}.answer-edit-form{margin-top:8px}.answer-edit-textarea{width:100%;padding:9px 12px;border:1px solid var(--border-card);border-radius:6px;font-size:14px;font-family:var(--font-body);color:var(--text-primary);background:var(--bg-page);line-height:1.6;resize:vertical;transition:border-color .15s;margin-bottom:8px}.answer-edit-textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 2px #7b5ea71f}.answer-edit-footer{display:flex;justify-content:space-between;align-items:center}.answer-edit-actions{display:flex;gap:6px}.no-answers{padding:24px 0;text-align:center;color:var(--text-muted);font-size:14px}.modal-reply-form{border-top:1px solid var(--border-card);padding-top:16px}.reply-nickname-field{display:block;margin-bottom:10px}.reply-nickname-field input{width:100%;padding:9px 12px;border:1px solid var(--border-card);border-radius:6px;font-size:13px;font-family:var(--font-body);color:var(--text-primary);background:var(--bg-page);transition:border-color .15s}.reply-nickname-field input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 2px #7b5ea71f}.reply-textarea-wrapper{position:relative}.reply-textarea{width:100%;padding:10px 12px;border:1px solid var(--border-card);border-radius:8px;font-size:14px;font-family:var(--font-body);color:var(--text-primary);background:var(--bg-page);line-height:1.6;resize:vertical;transition:border-color .15s}.reply-textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 2px #7b5ea71f}.reply-textarea::placeholder{color:var(--text-faint)}.reply-footer{display:flex;justify-content:space-between;align-items:center;margin-top:10px}.reply-attach-btn{background:none;border:1px solid var(--border-card);border-radius:6px;padding:5px 10px;font-size:15px;cursor:pointer;color:var(--text-secondary);transition:all .15s}.reply-attach-btn:hover{border-color:var(--accent);color:var(--accent);background:var(--accent-bg, rgba(123,94,167,.05))}.reply-submit-btn{background:var(--accent);color:#fff;border:none;padding:8px 16px;border-radius:6px;font-size:13px;font-weight:600;cursor:pointer;font-family:var(--font-body);transition:background .15s}.reply-submit-btn:hover:not(:disabled){background:var(--accent-light, #8B6DB4)}.reply-submit-btn:disabled{opacity:.5;cursor:not-allowed}.empty-state{text-align:center;padding:60px 20px;color:var(--text-muted)}.empty-icon{font-size:40px;margin-bottom:12px}.empty-hint{font-size:13px;color:var(--text-faint);margin-top:4px}.btn-cancel{background:var(--bg-card);color:var(--text-secondary);border:1px solid var(--border-card);padding:9px 16px;border-radius:6px;font-size:13px;font-weight:600;cursor:pointer;font-family:var(--font-body);transition:border-color .15s}.btn-cancel:hover{border-color:var(--accent)}.btn-submit{background:var(--accent);color:#fff;border:none;padding:9px 16px;border-radius:6px;font-size:13px;font-weight:600;cursor:pointer;font-family:var(--font-body);transition:background .15s}.btn-submit:hover:not(:disabled){background:var(--accent-light, #8B6DB4)}.btn-submit:disabled{opacity:.5;cursor:not-allowed}.toast{position:fixed;bottom:24px;left:50%;transform:translate(-50%) translateY(80px);background:var(--text-primary);color:#fff;padding:12px 24px;border-radius:10px;font-size:14px;font-weight:500;z-index:2000;transition:transform .25s ease;box-shadow:0 8px 24px #0003}.toast.show{transform:translate(-50%) translateY(0)}@media(max-width:640px){.board-container{padding:24px 16px 60px}.board-header h1{font-size:22px}.question-card-row{flex-direction:column;align-items:flex-start;gap:4px}.question-card-right{font-size:12px}.modal-box{margin:0;max-height:100vh;border-radius:0}.modal-header,.modal-body{padding:16px}.thread-avatar{width:28px;height:28px;font-size:12px}.thread-image{max-width:100%}}