*,:before,:after{box-sizing:border-box;margin:0;padding:0}:root{--primary:#2563eb;--primary-hover:#1d4ed8;--text-primary:#1f2937;--text-secondary:#6b7280;--text-muted:#9ca3af;--bg-white:#fff;--bg-gray:#f9fafb;--bg-gray-100:#f3f4f6;--border:#e5e7eb;--border-hover:#d1d5db;--success:#10b981;--success-bg:#d1fae5;--info:#3b82f6;--info-bg:#dbeafe;--shadow-sm:0 1px 2px #0000000d;--shadow:0 1px 3px #0000001a;--shadow-md:0 4px 6px #0000001a;--radius-sm:4px;--radius:8px;--radius-lg:12px}body{background-color:var(--bg-gray);color:var(--text-primary);min-height:100vh;font-family:Pretendard,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;line-height:1.5}a{color:inherit;text-decoration:none}button{cursor:pointer;font-family:inherit}input,textarea,select{font-family:inherit;font-size:14px}.app-layout{min-height:100vh;display:flex}.sidebar{background:var(--bg-white);border-right:1px solid var(--border);flex-direction:column;width:220px;height:100vh;padding:20px 0;display:flex;position:fixed;top:0;left:0}.sidebar-logo{border-bottom:1px solid var(--border);align-items:center;gap:12px;margin-bottom:10px;padding:0 20px 20px;display:flex}.sidebar-logo-text{flex-direction:column;justify-content:center;display:flex}.logo-title{color:var(--text-primary);font-size:24px;font-weight:700;line-height:1.1}.logo-subtitle{color:var(--text-secondary);font-size:13px;font-weight:500}.sidebar-logo img{object-fit:contain;width:32px;height:32px}.sidebar-nav{flex:1;list-style:none}.sidebar-nav li{margin:4px 8px}.sidebar-nav a{border-radius:var(--radius);color:var(--text-secondary);align-items:center;gap:10px;padding:12px 16px;font-size:14px;font-weight:500;transition:all .15s;display:flex}.sidebar-nav a:hover{background:var(--bg-gray);color:var(--text-primary)}.sidebar-nav a.active{background:var(--info-bg);color:var(--primary)}.sidebar-nav svg{width:20px;height:20px}.main-content{flex:1;min-height:100vh;margin-left:220px;padding:24px}.login-container{background:var(--bg-white);justify-content:center;align-items:center;min-height:100vh;display:flex}.login-box{width:100%;max-width:400px;padding:40px}.login-logo-img{justify-content:center;margin-bottom:5px;display:flex}.login-logo-img img{object-fit:contain;width:60px;height:60px}.login-logo{text-align:center;color:var(--text-primary);margin-bottom:8px;font-size:32px;font-weight:700}.login-subtitle{text-align:center;color:var(--text-secondary);margin-bottom:40px;font-size:15px}.signup-box{max-width:420px}.login-footer{border-top:1px solid var(--border);justify-content:center;align-items:center;gap:8px;margin-top:24px;padding-top:24px;font-size:14px;display:flex}.login-footer span{color:var(--text-secondary)}.login-footer a{color:var(--primary);font-weight:500;text-decoration:none}.login-footer a:hover{text-decoration:underline}.form-group{margin-bottom:16px}.form-label{color:var(--text-primary);margin-bottom:6px;font-size:14px;font-weight:500;display:block}.form-helper{color:var(--text-muted);margin-bottom:8px;font-size:13px;font-weight:400}.form-input{border:1px solid var(--border);border-radius:var(--radius);width:100%;padding:12px 14px;font-size:14px;transition:border-color .15s}.form-input:focus{border-color:var(--primary);outline:none}.form-input::placeholder{color:var(--text-muted)}.form-textarea{border:1px solid var(--border);border-radius:var(--radius);resize:vertical;width:100%;min-height:120px;padding:12px 14px;font-size:14px}.form-textarea:focus{border-color:var(--primary);outline:none}.btn{border-radius:var(--radius);border:none;justify-content:center;align-items:center;gap:8px;padding:12px 20px;font-size:14px;font-weight:500;transition:all .15s;display:inline-flex}.btn-primary{background:var(--primary);color:#fff;width:100%}.btn-primary:hover{background:var(--primary-hover)}.btn-secondary{background:var(--bg-gray);color:var(--text-primary);border:1px solid var(--border)}.btn-secondary:hover{background:var(--bg-gray-100)}.search-bar{flex-flow:wrap;align-items:center;gap:12px;margin-bottom:24px;display:flex}.search-row-top,.search-row-filters{display:contents}.search-input-wrap{flex:4;align-items:center;min-width:200px;display:flex;position:relative}.search-input-wrap input{border:1px solid var(--border);border-radius:var(--radius);background:var(--bg-white);width:100%;padding:10px 70px 10px 40px;font-size:14px}.search-input-wrap input:focus{border-color:var(--primary);outline:none}.search-input-wrap .search-icon{color:var(--text-muted);pointer-events:none;width:18px;height:18px;position:absolute;top:50%;left:12px;transform:translateY(-50%)}.search-btn{background:var(--primary);color:#fff;cursor:pointer;border:none;border-radius:6px;padding:6px 14px;font-size:13px;font-weight:500;transition:background .15s;position:absolute;top:50%;right:4px;transform:translateY(-50%)}.search-btn:hover{background:var(--primary-hover)}.filter-select{border:1px solid var(--border);border-radius:var(--radius);background:var(--bg-white);appearance:none;cursor:pointer;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%236b7280' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");background-position:right 12px center;background-repeat:no-repeat;flex:none;padding:10px 32px 10px 14px;font-size:14px}.filter-select:focus{border-color:var(--primary);outline:none}.btn-reset{color:var(--text-secondary);border:1px solid var(--border);border-radius:var(--radius);cursor:pointer;background:0 0;padding:10px 16px;font-size:14px;font-weight:500;transition:all .15s}.btn-reset:hover{background:var(--bg-gray);color:var(--text-primary);border-color:var(--border-hover)}.cards-grid{grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:16px;display:grid}.card{background:var(--bg-white);border:1px solid var(--border);border-radius:var(--radius-lg);transition:box-shadow .15s;overflow:hidden}.card:hover{box-shadow:var(--shadow-md)}.card-image{background:var(--bg-gray-100);width:100%;height:160px;color:var(--text-muted);justify-content:center;align-items:center;display:flex;position:relative;overflow:hidden}.badge-mine{color:#fff;z-index:10;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#0009;border-radius:4px;padding:4px 8px;font-size:11px;font-weight:500;position:absolute;top:8px;left:8px}.badge-mine-inline{background:var(--text-secondary);color:#fff;vertical-align:middle;border-radius:4px;margin-left:6px;padding:2px 6px;font-size:10px;font-weight:500;display:inline-block}.card-image img{object-fit:cover;width:100%;height:100%}.card-body{padding:14px}.card-title{color:var(--text-primary);-webkit-line-clamp:2;line-clamp:2;-webkit-box-orient:vertical;margin-bottom:6px;font-size:14px;font-weight:600;display:-webkit-box;overflow:hidden}.card-location{color:var(--text-secondary);align-items:center;gap:4px;margin-bottom:10px;font-size:12px;display:flex}.card-badges{flex-wrap:wrap;gap:6px;display:flex}.badge{border-radius:var(--radius-sm);align-items:center;padding:4px 8px;font-size:11px;font-weight:500;display:inline-flex}.badge-success{background:var(--success-bg);color:#065f46}.badge-info{background:var(--info-bg);color:#1e40af}.detail-container{max-width:900px;margin:0 auto}.detail-back{color:var(--text-secondary);align-items:center;gap:6px;margin-bottom:20px;font-size:14px;display:inline-flex}.detail-back:hover{color:var(--text-primary)}.detail-card{background:var(--bg-white);border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden}.detail-images{background:var(--bg-gray-100);width:100%;height:400px;color:var(--text-muted);justify-content:center;align-items:center;display:flex;overflow:hidden}.detail-images img{object-fit:contain;width:100%;height:100%}.detail-body{padding:24px}.detail-header-row{align-items:flex-start;gap:20px;margin-bottom:20px;display:flex}.detail-title{flex:5;margin-bottom:0;font-size:22px;font-weight:600;line-height:1.4}.detail-seller{background:var(--bg-gray);border-radius:var(--radius);text-align:center;flex:1;justify-content:center;align-items:center;min-width:120px;padding:12px;display:flex}.detail-seller-name{font-size:15px;font-weight:600}.detail-seller-phone{color:var(--text-secondary);font-size:14px}.detail-badges{flex-wrap:wrap;gap:10px;margin-bottom:20px;display:flex}.detail-description{color:var(--text-secondary);white-space:pre-wrap;background:var(--bg-gray);border-radius:var(--radius);margin-bottom:20px;padding:16px;font-size:14px;line-height:1.7}.detail-dates{color:var(--text-muted);margin-bottom:24px;font-size:13px}.form-container{max-width:700px;margin:0 auto}.form-card{background:var(--bg-white);border:1px solid var(--border);border-radius:var(--radius-lg);padding:32px}.form-title{margin-bottom:24px;font-size:20px;font-weight:600}.upload-area{border:2px dashed var(--border);border-radius:var(--radius);text-align:center;cursor:pointer;background:var(--bg-white);flex-direction:column;justify-content:center;align-items:center;margin-bottom:8px;padding:40px;transition:border-color .15s;display:flex;position:relative;overflow:hidden}.upload-area:hover{border-color:var(--primary)}.upload-area svg{width:40px;height:40px;color:var(--text-muted);flex-shrink:0;margin-bottom:10px}.upload-area p{color:var(--text-secondary);margin:0;font-size:14px}.upload-preview{flex-wrap:wrap;gap:10px;margin-top:12px;display:flex}.upload-preview-item{border-radius:var(--radius-sm);width:80px;height:80px;position:relative;overflow:hidden}.upload-preview-item img{object-fit:cover;width:100%;height:100%}.upload-preview-item button{color:#fff;background:#00000080;border:none;border-radius:50%;justify-content:center;align-items:center;width:20px;height:20px;font-size:12px;display:flex;position:absolute;top:4px;right:4px}.toggle-group{gap:24px;margin-bottom:16px;display:flex}.toggle-item{align-items:center;gap:10px;display:flex}.toggle-label{color:var(--text-secondary);font-size:14px}.toggle{background:var(--border);cursor:pointer;border-radius:12px;width:44px;height:24px;transition:background .2s;position:relative}.toggle.active{background:var(--primary)}.toggle:after{content:"";background:#fff;border-radius:50%;width:18px;height:18px;transition:transform .2s;position:absolute;top:3px;left:3px}.toggle.active:after{transform:translate(20px)}.region-selects{gap:12px;display:flex}.region-selects select{flex:2}.region-selects input{flex:1}.datetime-input{gap:12px;display:flex}.datetime-input input{flex:1}.chat-list{background:var(--bg-white);border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden}.chat-item{border-bottom:1px solid var(--border);gap:14px;padding:16px;transition:background .15s;display:flex}.chat-item:last-child{border-bottom:none}.chat-item:hover{background:var(--bg-gray)}.chat-thumb{background:var(--bg-gray-100);border-radius:var(--radius);flex-shrink:0;width:56px;height:56px;overflow:hidden}.chat-thumb img{object-fit:cover;width:100%;height:100%}.chat-info{flex:1;min-width:0}.chat-title{white-space:nowrap;text-overflow:ellipsis;margin-bottom:4px;font-size:14px;font-weight:600;overflow:hidden}.chat-seller{color:var(--text-secondary);margin-bottom:4px;font-size:12px}.chat-message{color:var(--text-muted);white-space:nowrap;text-overflow:ellipsis;font-size:13px;overflow:hidden}.chat-meta{text-align:right;flex-shrink:0}.chat-time{color:var(--text-muted);font-size:11px}.chat-room{background:var(--bg-white);border:1px solid var(--border);border-radius:var(--radius-lg);flex-direction:column;height:calc(100vh - 48px);display:flex;overflow:hidden}.chat-header{border-bottom:1px solid var(--border);background:var(--bg-white);padding:16px}.chat-header-title{margin-bottom:2px;font-size:15px;font-weight:600}.chat-header-product{color:var(--text-secondary);font-size:13px}.chat-messages{flex-direction:column;flex:1;gap:12px;padding:20px;display:flex;overflow-y:auto}.message-container{flex-direction:column;max-width:75%;display:flex}.message-container.sent{align-self:flex-end;align-items:flex-end}.message-container.received{align-self:flex-start;align-items:flex-start}.message-wrapper{align-items:flex-end;gap:6px;display:flex}.message-container.sent .message-wrapper{flex-direction:row-reverse}.message-bubble{word-break:break-all;border-radius:16px;padding:10px 14px;font-size:14px;line-height:1.5;position:relative}.message-container.received .message-bubble{background:var(--bg-gray-100);color:var(--text-primary);border-bottom-left-radius:4px}.message-container.sent .message-bubble{background:var(--primary);color:#fff;border-bottom-right-radius:4px}.message-info{flex-direction:column;justify-content:flex-end;min-width:fit-content;margin-bottom:0;display:flex}.message-container.sent .message-info{align-items:flex-end}.message-time{color:var(--text-muted);white-space:nowrap;font-size:11px;line-height:1}.unread-mark{color:#f59e0b;margin-bottom:4px;font-size:11px;font-weight:700;line-height:1}.chat-input-wrap{border-top:1px solid var(--border);background:var(--bg-white);gap:10px;padding:16px;display:flex}.chat-input-wrap input{border:1px solid var(--border);border-radius:24px;flex:1;padding:12px 16px;font-size:14px}.chat-input-wrap input:focus{border-color:var(--primary);outline:none}.chat-input-wrap button{background:var(--primary);color:#fff;border:none;border-radius:24px;padding:12px 24px;font-size:14px;font-weight:500}.chat-input-wrap button:hover{background:var(--primary-hover)}.page-header{justify-content:space-between;align-items:center;margin-bottom:24px;display:flex}.view-toggle{background:var(--bg-gray);border-radius:var(--radius);gap:4px;padding:4px;display:flex}.view-btn{width:36px;height:36px;color:var(--text-muted);cursor:pointer;background:0 0;border:none;border-radius:6px;justify-content:center;align-items:center;transition:all .15s;display:flex}.view-btn:hover{color:var(--text-primary)}.view-btn.active{background:var(--bg-white);color:var(--primary);box-shadow:var(--shadow-sm)}.view-btn svg{width:20px;height:20px}.list-view{background:var(--bg-white);border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden}.list-item{border-bottom:1px solid var(--border);align-items:center;gap:16px;padding:16px;transition:background .15s;display:flex}.list-item:last-child{border-bottom:none}.list-item:hover{background:var(--bg-gray)}.list-item-thumb{background:var(--bg-gray-100);border-radius:var(--radius);width:60px;height:60px;color:var(--text-muted);flex-shrink:0;justify-content:center;align-items:center;display:flex;overflow:hidden}.list-item-thumb img{object-fit:cover;width:100%;height:100%}.list-item-thumb svg{width:24px;height:24px}.list-item-content{flex:1;min-width:0}.list-item-title{color:var(--text-primary);white-space:nowrap;text-overflow:ellipsis;margin-bottom:4px;font-size:14px;font-weight:600;overflow:hidden}.list-item-location{color:var(--text-secondary);align-items:center;gap:4px;font-size:12px;display:flex}.list-item-badges{flex-shrink:0;gap:6px;display:flex}.list-item-date{color:var(--text-muted);text-align:right;flex-shrink:0;min-width:80px;font-size:12px}.page-title{font-size:22px;font-weight:600}.empty-state{text-align:center;color:var(--text-muted);padding:60px 20px}.empty-state svg{width:48px;height:48px;margin-bottom:16px}.empty-state p{font-size:15px}.error-message{color:#dc2626;border-radius:var(--radius);background:#fef2f2;margin-bottom:16px;padding:12px 16px;font-size:14px}.sidebar-footer{border-top:1px solid var(--border);padding:16px}.logout-btn{width:100%;color:var(--text-secondary);border-radius:var(--radius);cursor:pointer;background:0 0;border:none;align-items:center;gap:10px;padding:12px 16px;font-size:14px;font-weight:500;transition:all .15s;display:flex}.logout-btn:hover{color:#dc2626;background:#fef2f2}.logout-btn svg{width:20px;height:20px}@media (max-width:768px){.sidebar{border-right:none;border-top:1px solid var(--border);z-index:100;width:100%;height:auto;padding:0;position:fixed;inset:auto 0 0}.sidebar-logo,.sidebar-footer{display:none}.sidebar-nav{justify-content:space-around;padding:8px 0;display:flex}.sidebar-nav li{margin:0}.sidebar-nav a{flex-direction:column;gap:4px;padding:8px 12px;font-size:11px}.sidebar-nav svg{width:22px;height:22px}.main-content{margin-bottom:70px;margin-left:0;padding:16px}.detail-header-row{flex-direction:column;gap:12px}.detail-seller{justify-content:flex-start;width:100%}.search-bar{flex-direction:column}.search-row-top{align-items:center;gap:12px;width:100%;display:flex}.search-input-wrap{flex:1;min-width:0}.btn-reset{white-space:nowrap;flex-shrink:0;padding:8px 12px;font-size:13px}.search-row-filters{gap:8px;width:100%;display:flex}.filter-select{flex:1;min-width:0;padding:8px 28px 8px 10px;font-size:13px}.cards-grid{grid-template-columns:repeat(2,1fr);gap:10px}.card-image{height:120px}.detail-images{height:280px}.form-card{padding:20px}.toggle-group{flex-direction:column;gap:12px}.region-selects{flex-direction:column}.list-item-badges{display:none}.list-item-date{min-width:60px;font-size:11px}}@media (max-width:480px){.cards-grid{grid-template-columns:1fr}}