:root{--primary-color: #2151a1;--secondary-color: #e67e51;--accent-color: #81c784;--background-color: #f5f7fa;--surface-color: #ffffff;--text-primary: #37474f;--text-secondary: #777777;--text-main: #333333;--border-radius: 16px;--shadow-sm: 0 2px 4px rgba(0,0,0,.05);--shadow-md: 0 4px 12px rgba(0,0,0,.08);--nav-height: 65px}*{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Open Sans,Helvetica Neue,sans-serif;background-color:#e0e0e0;color:var(--text-primary);line-height:1.5;display:flex;justify-content:center;min-height:100vh}#root{width:100%;max-width:480px;background-color:var(--background-color);min-height:100vh;position:relative;display:flex;flex-direction:column;box-shadow:0 0 20px #0000001a;overflow-x:hidden}button{cursor:pointer;border:none;border-radius:var(--border-radius);transition:all .2s ease}button:active{transform:scale(.98)}.app-content{flex:1;padding-bottom:var(--nav-height);overflow-y:auto}.flex-center{display:flex;align-items:center;justify-content:center}.card{background:var(--surface-color);border-radius:var(--border-radius);box-shadow:var(--shadow-sm);overflow:hidden;margin-bottom:16px}.bottom-nav{position:fixed;bottom:0;left:50%;transform:translate(-50%);width:100%;max-width:480px;height:var(--nav-height);background:var(--surface-color);display:flex;justify-content:space-around;align-items:center;border-top:1px solid #eee;z-index:100}.nav-item{display:flex;flex-direction:column;align-items:center;color:var(--text-secondary);font-size:10px;gap:4px}.nav-item.active{color:var(--primary-color)}.fab{position:absolute;bottom:calc(var(--nav-height) + 16px);right:16px;width:56px;height:56px;background-color:var(--accent-color);border-radius:50%;display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-md);z-index:90}.page-header{padding:20px 16px;background:var(--surface-color)}.page-header h1{font-size:24px;color:var(--primary-color);font-weight:700}.search-bar{padding:0 16px 16px}.search-bar input{width:100%;padding:12px 16px;border-radius:12px;border:1px solid #e0e0e0;background:#fff;font-size:14px;outline:none}.search-bar input:focus{border-color:var(--primary-color)}.auth-container{padding:40px 24px;display:flex;flex-direction:column;gap:24px;text-align:center}.auth-header h2{font-size:28px;color:var(--primary-color);margin-bottom:8px}.auth-header p{color:var(--text-secondary)}.form-group{text-align:left;display:flex;flex-direction:column;gap:8px;margin-bottom:16px}.form-group label{font-size:14px;font-weight:500;color:var(--text-primary)}.form-group input,.form-group select,.form-group textarea{padding:14px;border-radius:12px;border:1px solid #e0e0e0;font-size:16px;background:#fff}.password-input-wrapper{position:relative;display:flex;align-items:center}.password-input-wrapper input{padding-right:48px!important;width:100%}.password-toggle-icon{position:absolute;right:12px;cursor:pointer;color:#999;display:flex;align-items:center;justify-content:center;transition:color .2s}.password-toggle-icon:hover{color:var(--primary-color)}.btn{padding:16px;border-radius:var(--border-radius);font-size:16px;font-weight:600;text-align:center;width:100%}.btn-primary{background-color:var(--primary-color);color:#fff}.btn-outline{background-color:transparent;border:2px solid var(--primary-color);color:var(--primary-color)}.btn-google{background-color:#fff;border:1px solid #ddd;display:flex;align-items:center;justify-content:center;gap:12px;color:#555;margin-top:16px}.auth-footer{margin-top:16px;font-size:14px;color:var(--text-secondary)}.auth-footer span{color:var(--primary-color);font-weight:600;cursor:pointer}.categories-tabs{display:flex;overflow-x:auto;padding:0 16px 16px;gap:12px;scrollbar-width:none}.categories-tabs::-webkit-scrollbar{display:none}.category-pill{white-space:nowrap;padding:8px 16px;border-radius:20px;background:#fff;border:1px solid #e0e0e0;font-size:13px;color:var(--text-secondary)}.category-pill.active{background:var(--primary-color);color:#fff;border-color:var(--primary-color)}.category-line-container{padding:16px;background:#fff;margin-bottom:12px;border-bottom:2px solid #f0f0f0;display:grid;grid-template-columns:repeat(2,1fr);gap:8px}.category-line{display:flex;align-items:center;gap:8px;padding:10px 8px;background:#f8faff;border-radius:10px;border:1px solid #e8eef7;transition:all .2s;cursor:pointer;min-height:44px}.category-line:active{background:#edf2ff;transform:scale(.98)}.category-line.active{background:var(--primary-color);color:#fff;border-color:var(--primary-color)}.category-icon{width:28px;height:28px;border-radius:6px;background:#fff;display:flex;align-items:center;justify-content:center;color:var(--primary-color)}.category-line.active .category-icon{color:var(--primary-color)}.category-text{font-size:11px;font-weight:600;flex:1;line-height:1.2}.show-more-container{padding:24px 16px;display:flex;justify-content:center}.show-more-btn{background:var(--primary-color);color:#fff;padding:14px 32px;border-radius:25px;font-size:15px;font-weight:700;box-shadow:0 4px 12px #7986cb66}.filters-row{display:flex;justify-content:space-between;align-items:center;padding:0 16px 12px}.sort-select{border:none;background:transparent;color:var(--text-secondary);font-size:13px;outline:none}.ads-grid{padding:0 16px;display:grid;grid-template-columns:1fr 1fr;gap:16px}.ad-card{background:#fff;border-radius:12px;overflow:hidden;box-shadow:var(--shadow-sm);display:flex;flex-direction:column}.ad-image{width:100%;aspect-ratio:1;background:#f0f0f0;object-fit:cover}.ad-info{padding:8px;display:flex;flex-direction:column;gap:4px}.ad-title{font-size:13px;font-weight:600;color:var(--text-primary);display:-webkit-box;-webkit-line-clamp:1;line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}.ad-desc{font-size:11px;color:var(--text-secondary);display:-webkit-box;-webkit-line-clamp:2;line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;height:32px}.detail-page{padding-bottom:20px}.back-btn{padding:16px;display:flex;align-items:center;gap:8px;color:var(--text-primary);background:transparent}.detail-image{width:100%;aspect-ratio:4/3;object-fit:cover;background:#eee}.detail-info{padding:16px}.detail-title{font-size:22px;font-weight:700;color:var(--text-primary);margin-bottom:8px}.detail-price{font-size:24px;font-weight:700;color:var(--primary-color);margin-bottom:16px}.detail-badges{display:flex;gap:8px;margin-bottom:24px}.badge{padding:4px 12px;border-radius:8px;background:#f0f0f0;font-size:12px;color:var(--text-secondary)}.seller-section{padding:16px;background:#fff;border-radius:16px;margin-top:16px;display:flex;align-items:center;gap:12px;box-shadow:var(--shadow-sm)}.seller-avatar{width:50px;height:50px;border-radius:25px;background:#ccc;overflow:hidden}.seller-avatar img{width:100%;height:100%;object-fit:cover}.seller-details{flex:1}.seller-name{font-weight:600;font-size:15px}.seller-stats{font-size:11px;color:var(--text-secondary);display:flex;gap:8px}.add-ad-page{padding:16px}.image-upload-row{display:flex;gap:10px;overflow-x:auto;padding-bottom:16px}.image-upload-box{min-width:80px;height:80px;border-radius:12px;border:2px dashed #ddd;display:flex;align-items:center;justify-content:center;color:#bbb}.message-item{display:flex;align-items:center;gap:12px;padding:16px;background:#fff;border-bottom:1px solid #f0f0f0}.message-avatar{width:48px;height:48px;border-radius:24px}.message-content-preview{flex:1}.message-name{font-weight:600;font-size:15px}.message-text-preview{font-size:13px;color:var(--text-secondary);display:-webkit-box;-webkit-line-clamp:1;line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}.chat-bubble{padding:10px 14px;border-radius:18px;margin-bottom:12px;max-width:80%;position:relative;font-size:14px}.chat-bubble.sent{background:var(--primary-color);color:#fff;align-self:flex-end;border-bottom-right-radius:4px}.chat-bubble.received{background:#eee;color:var(--text-primary);align-self:flex-start;border-bottom-left-radius:4px}.chat-container{display:flex;flex-direction:column;padding:16px;height:calc(100vh - 120px);overflow-y:auto}.chat-input-area{position:absolute;bottom:var(--nav-height);left:0;right:0;padding:12px 16px;background:#fff;display:flex;gap:12px;border-top:1px solid #eee;z-index:105}.chat-input-area input{flex:1;padding:10px 16px;border-radius:20px;border:1px solid #ddd}.read-ticks{display:flex;font-size:10px;margin-left:4px;color:#ffffffb3}.read-ticks.blue{color:#4fc3f7}.overlay{position:fixed;inset:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:1000}.mini-profile{background:#fff;border-radius:24px;width:90%;max-width:320px;padding:24px;text-align:center}.mini-profile img{width:80px;height:80px;border-radius:40px}.profile-header{padding:30px 16px;text-align:center;background:#fff}.profile-avatar-large{width:100px;height:100px;border-radius:50px;margin:0 auto 12px;border:3px solid var(--primary-color);overflow:hidden;position:relative}.profile-avatar-large img{width:100%;height:100%;object-fit:cover}.avatar-badge{position:absolute;bottom:0;right:0;background:var(--primary-color);color:#fff;padding:4px;border-radius:50%}.profile-menu{margin-top:20px}.menu-item{background:#fff;padding:16px;display:flex;align-items:center;gap:12px;border-bottom:1px solid #f0f0f0;font-weight:500}.menu-item.logout{color:#ef5350;margin-top:24px;border-top:1px solid #f0f0f0}.avatar-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin:20px 0}.avatar-option{width:60px;height:60px;border-radius:30px;overflow:hidden;border:2px solid transparent}.avatar-option.selected{border-color:var(--primary-color)}.avatar-option img{width:100%;height:100%;object-fit:cover}.confirm-modal{background:#fff;border-radius:16px;padding:24px;width:80%;text-align:center}.confirm-actions{display:flex;gap:12px;margin-top:24px}.admin-badge{background:#fff3e0;color:#ef6c00;padding:4px 8px;border-radius:4px;font-size:11px;font-weight:700;margin-left:8px}.approval-card{background:#fff;margin:16px;border-radius:12px;padding:12px;box-shadow:var(--shadow-sm);border:1px solid #eee}.approval-info{display:flex;gap:12px;margin-bottom:12px}.approval-img{width:60px;height:60px;border-radius:8px;object-fit:cover}.approval-actions{display:flex;gap:12px}.btn-approve{background:#81c784;color:#fff;flex:1;padding:8px;font-size:14px}.btn-reject{background:#ef5350;color:#fff;flex:1;padding:8px;font-size:14px}.chat-messages{padding:16px;display:flex;flex-direction:column;height:calc(100vh - 180px);overflow-y:auto}.chat-bubble.me{background:var(--primary-color);color:#fff;align-self:flex-end;border-radius:12px 12px 0}.chat-bubble.other{background:#eee;color:var(--text-primary);align-self:flex-start;border-radius:12px 12px 12px 0}.chat-time{display:block;font-size:10px;margin-top:4px;opacity:.7}.message-card{display:flex;align-items:center;padding:16px;gap:12px;background:#fff;border-bottom:1px solid #f0f0f0}.message-avatar{width:50px;height:50px;border-radius:25px}.message-info{flex:1}.message-sender{font-weight:700}.message-last{font-size:13px;color:#888}.success-message{background:#e8f5e9;color:#2e7d32;padding:16px;border-radius:12px;display:flex;align-items:center;gap:12px;margin-top:20px}.modal-overlay{position:fixed;inset:0;background:#0006;display:flex;align-items:center;justify-content:center;z-index:1000}.category-toggle-container{margin:12px 0}.category-select{width:100%;padding:12px 16px;border-radius:12px;border:1px solid #ddd;background-color:#fff;font-size:14px;appearance:none;background-image:url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");background-repeat:no-repeat;background-position:right 12px center;background-size:16px;color:var(--text-primary)}.btn-fav{background:#fff;border:1px solid #eee;border-radius:50%;width:40px;height:40px;display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-sm);cursor:pointer;transition:all .2s}.btn-fav.active{background:#ffebee}.btn-fav.active svg{fill:#ef5350;stroke:#ef5350}.upload-label-wrapper{position:relative}.upload-note{position:absolute;top:-20px;left:0;font-size:10px;color:var(--primary-color);font-weight:700;white-space:nowrap}.image-upload-box:first-child{border:2px dashed var(--primary-color)}.add-ad-page .page-header{padding:16px}.ad-seller-row{font-size:10px;color:var(--text-secondary);display:flex;justify-content:space-between}.ad-price{font-size:14px;font-weight:700;color:var(--primary-color);margin-top:4px}.ad-footer{font-size:10px;color:#bbb;display:flex;justify-content:space-between;align-items:center}.forgot-link{font-size:13px;color:var(--primary-color);font-weight:600;cursor:pointer;text-decoration:underline}.reset-msg{padding:10px 14px;border-radius:10px;font-size:13px;margin-bottom:12px;font-weight:500}.reset-msg.success{background:#e8f5e9;color:#2e7d32}.reset-msg.error{background:#ffebee;color:#c62828}.profile-tabs{display:flex;background:#f0f0f0;margin:16px 16px 0;border-radius:12px;padding:4px;gap:4px}.profile-tab-btn{flex:1;padding:8px 6px;border-radius:9px;background:transparent;color:var(--text-secondary);font-size:12px;font-weight:600;border:none;cursor:pointer;transition:all .2s}.profile-tab-btn.active{background:#fff;color:var(--primary-color);box-shadow:0 2px 6px #0000001a}.settings-section{padding:16px}.inline-msg{padding:10px 14px;border-radius:10px;font-size:13px;margin-bottom:12px;font-weight:500}.inline-msg.success{background:#e8f5e9;color:#2e7d32}.inline-msg.error{background:#ffebee;color:#c62828}.text-engelsiz{color:var(--primary-color)}.text-pazar{color:var(--secondary-color)}.branding-logo{width:140px;height:auto;margin-bottom:20px;display:block;margin-left:auto;margin-right:auto}.auth-header h2{font-size:24px;margin-bottom:4px}