.app-header{background-color:var(--bg-color);padding:16px 20px;position:sticky;top:0;z-index:100}.header-container{display:flex;justify-content:space-between;align-items:center;max-width:600px;margin:0 auto}.logo-text{font-size:1.4rem;font-weight:800;color:var(--primary-color);letter-spacing:-.5px}.logo-accent{color:var(--text-primary);font-weight:400}.user-avatar{width:32px;height:32px;border-radius:50%;background:var(--bg-card);color:var(--primary-color);display:flex;align-items:center;justify-content:center;font-weight:700;box-shadow:var(--shadow-sm);border:1px solid var(--border-color)}.user-avatar.guest{color:var(--text-muted)}.bottom-nav{position:fixed;bottom:0;left:0;right:0;height:var(--bottom-nav-height);background:var(--bg-card);box-shadow:0 -2px 10px #0000000d;display:flex;justify-content:space-around;align-items:center;z-index:1000;padding-bottom:env(safe-area-inset-bottom)}.nav-item{display:flex;flex-direction:column;align-items:center;justify-content:center;color:var(--text-muted);font-size:.65rem;font-weight:500;width:20%}.nav-item.active{color:var(--primary-color)}.nav-icon{font-size:1.4rem;margin-bottom:2px}.sell-button-wrapper{position:relative;top:-15px}.sell-button{width:50px;height:50px;background-color:var(--primary-color);border-radius:50%;display:flex;justify-content:center;align-items:center;color:#fff;box-shadow:0 4px 12px #1e88e566;margin-bottom:4px}.plus-icon{font-size:1.8rem;font-weight:300}.sell-text{position:relative;top:5px}.countdown-timer{font-size:.8rem;color:var(--primary-color);text-shadow:var(--glow-primary);background:#00000080;padding:5px 8px;border:1px solid #333;display:inline-block;border-radius:2px}.countdown-timer.urgent{color:var(--danger-color);text-shadow:var(--glow-danger);border-color:var(--danger-color)}.countdown-timer.ended{color:var(--text-muted);text-shadow:none;border-color:#333}.lot-card{display:flex;padding:12px;gap:16px;margin-bottom:12px;position:relative;align-items:center;border:none;background:var(--bg-card);transition:transform .2s,box-shadow .2s}.lot-card:active{transform:scale(.98)}.lot-card-badge{position:absolute;top:12px;left:12px;background:#ffffffe6;padding:2px 8px;border-radius:12px;font-size:.65rem;font-weight:600;color:var(--primary-color);box-shadow:0 2px 4px #0000001a}.lot-card-img{width:90px;height:90px;border-radius:10px;object-fit:cover;background:#f0f0f0}.lot-card-content{flex:1;display:flex;flex-direction:column;justify-content:space-between}.lot-card-title{font-size:.9rem;font-weight:600;color:var(--text-primary);margin-bottom:12px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;line-height:1.3}.lot-card-stats{display:flex;justify-content:space-between}.stat-col{display:flex;flex-direction:column}.align-right{text-align:right;align-items:flex-end}.stat-label{font-size:.65rem;color:var(--text-muted);margin-bottom:2px}.stat-value{font-size:.85rem;font-weight:700;color:var(--text-primary)}.stat-value .countdown-timer{background:none;border:none;padding:0;color:var(--text-primary);text-shadow:none;font-weight:600;font-family:var(--font-body)}.stat-value .countdown-timer.urgent{color:var(--danger-color)}.admin-lot-highlight{border:2px solid #FFD700;box-shadow:0 4px 15px #ffd70033}.admin-lot-highlight:hover{box-shadow:0 8px 25px #ffd70066;transform:translateY(-5px)}.catalog-page{padding-top:10px}.top-tabs{display:flex;background:var(--bg-card);border-radius:var(--border-radius-pill);padding:4px;margin-bottom:20px;box-shadow:var(--shadow-sm);border:1px solid var(--border-color)}.tab-btn{flex:1;padding:10px;border:none;background:transparent;border-radius:var(--border-radius-pill);font-family:var(--font-body);font-weight:600;font-size:.9rem;color:var(--text-secondary);transition:all .2s}.tab-btn.active{background:var(--primary-color);color:#fff;box-shadow:0 2px 8px #1e88e566}.lots-list{display:flex;flex-direction:column}.lot-details-page{background:var(--bg-card);min-height:100vh;margin:-16px;padding:16px}.top-bar{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}.top-bar-title{font-weight:700;font-size:1.1rem}.icon-btn{background:transparent;border:none;font-size:1.5rem;color:var(--text-primary);cursor:pointer;width:40px;height:40px;display:flex;align-items:center;justify-content:center;border-radius:50%}.icon-btn:active{background:#0000000d}.lot-image-section{position:relative;border-radius:var(--border-radius-lg);background:#f8f9fa;padding:20px;margin-bottom:20px;display:flex;flex-direction:column;align-items:center}.lot-main-image{width:100%;max-width:300px;height:200px;object-fit:contain}.badge-overlay{position:absolute;top:15px;left:15px;right:15px;display:flex;justify-content:space-between;align-items:center}.dots-indicator{display:flex;gap:6px;margin-top:15px}.dot{width:6px;height:6px;border-radius:50%;background:#ccc}.dot.active{background:var(--primary-color);width:8px;height:8px}.lot-title{font-size:1.4rem;margin-bottom:15px;font-weight:800}.lot-tags{display:flex;flex-wrap:wrap;gap:8px}.lot-tags .badge{background:#f0f4f8;color:var(--text-secondary);font-size:.7rem;padding:6px 12px}.price-stats-row,.bid-info-row{display:flex;justify-content:space-between;padding-bottom:15px;border-bottom:1px solid var(--border-color)}.bid-info-row{border-bottom:none}.stat-box{display:flex;flex-direction:column}.stat-box.align-right{align-items:flex-end}.stat-label{font-size:.75rem;color:var(--text-muted);margin-bottom:4px}.stat-value{font-size:1.4rem;font-weight:800}.stat-value-sm{font-size:1rem;font-weight:700;color:var(--text-primary)}.timer-box{background:#f9fafb;border-radius:var(--border-radius);padding:15px;text-align:center;border:1px solid var(--border-color)}.timer-display .countdown-timer{font-size:1.8rem;font-weight:800;color:var(--text-primary);background:none;border:none;padding:0;text-shadow:none;letter-spacing:2px}.w-100{width:100%}.place-bid-btn{padding:16px;display:flex;flex-direction:column;align-items:center}.btn-subtitle{font-size:.7rem;font-weight:400;opacity:.8;margin-top:2px}.seller-profile-header{background:linear-gradient(135deg,#1e88e5,#1565c0);border-radius:var(--border-radius-lg);padding:20px;display:flex;align-items:center;gap:20px;color:#fff;margin-bottom:20px}.seller-avatar-large img{width:80px;height:80px;border-radius:50%;border:3px solid rgba(255,255,255,.3)}.seller-name-label{font-size:.8rem;opacity:.8}.seller-username{color:#fff;font-size:1.4rem;margin-bottom:4px}.seller-rating{font-size:.85rem}.btn-sm{padding:8px 16px;font-size:.8rem}.seller-stats-row{display:flex;justify-content:space-between;background:var(--bg-card);border-radius:var(--border-radius-lg);padding:16px;margin-bottom:20px;box-shadow:var(--shadow-sm);border:1px solid var(--border-color)}.seller-stat{text-align:center;flex:1}.seller-stat-value{font-size:1.4rem;font-weight:800}.seller-stat-label{font-size:.75rem;color:var(--text-muted)}.seller-menu{background:var(--bg-card);border-radius:var(--border-radius-lg);overflow:hidden;box-shadow:var(--shadow-sm);border:1px solid var(--border-color);margin-bottom:20px}.menu-item{display:flex;align-items:center;padding:16px;border-bottom:1px solid var(--border-color);cursor:pointer}.menu-item:last-child{border-bottom:none}.menu-item:active{background:#f9fafb}.menu-icon{font-size:1.2rem;margin-right:15px;width:24px;text-align:center}.menu-text{flex:1;font-weight:500}.menu-arrow{color:#ccc;font-size:1.5rem;font-weight:300}.menu-badge{background:var(--primary-color);color:#fff;font-size:.7rem;padding:2px 8px;border-radius:10px;margin-right:10px}.form-row{display:flex;gap:15px}.form-group.half{flex:1}.stepper{display:flex;justify-content:space-between;align-items:center}.step{display:flex;flex-direction:column;align-items:center;gap:5px;opacity:.5}.step.active{opacity:1;color:var(--primary-color)}.step-icon{width:40px;height:40px;border-radius:50%;background:#f0f4f8;display:flex;align-items:center;justify-content:center;font-size:1.2rem}.step.active .step-icon{background:var(--primary-color);color:#fff}.step-line{flex:1;height:2px;background:var(--border-color);margin:0 10px;position:relative;top:-10px}.mb-40{margin-bottom:40px}:root{--bg-color: #E8EDF2;--bg-pattern: radial-gradient(circle at 50% 0%, rgba(255,255,255,.8) 0%, rgba(232,237,242,0) 60%);--bg-card: rgba(255, 255, 255, .85);--bg-card-border: rgba(255, 255, 255, .5);--bg-elevated: #FFFFFF;--primary-color: #00A1F1;--primary-gradient: linear-gradient(180deg, #42C2FF 0%, #00A1F1 100%);--primary-hover: #0081C6;--secondary-color: #81D4FA;--danger-color: #FF3B30;--danger-gradient: linear-gradient(180deg, #FF6B64 0%, #FF3B30 100%);--gold-color: #FFCC00;--text-primary: #333333;--text-secondary: #5C6773;--text-muted: #8E9BAE;--border-color: rgba(0, 0, 0, .08);--font-body: "Inter", "Varela Round", system-ui, sans-serif;--border-radius: 16px;--border-radius-lg: 24px;--border-radius-pill: 50px;--shadow-sm: 0 2px 8px rgba(0,0,0,.04);--shadow-md: 0 8px 24px rgba(0,161,241,.15);--shadow-card: inset 0 2px 0 rgba(255,255,255,.6), 0 4px 16px rgba(0,0,0,.06);--shadow-btn: inset 0 2px 2px rgba(255,255,255,.5), 0 4px 10px rgba(0,161,241,.3);--bottom-nav-height: 75px}[data-theme=dark]{--bg-color: #121A21;--bg-pattern: radial-gradient(circle at 50% 0%, rgba(0,161,241,.15) 0%, rgba(18,26,33,0) 60%);--bg-card: rgba(26, 38, 48, .85);--bg-card-border: rgba(255, 255, 255, .05);--bg-elevated: #1A2630;--primary-color: #00A1F1;--primary-gradient: linear-gradient(180deg, #20B2FF 0%, #0081C6 100%);--text-primary: #F0F4F8;--text-secondary: #A0B0C0;--text-muted: #6B7B8C;--border-color: rgba(255, 255, 255, .08);--shadow-md: 0 8px 24px rgba(0,0,0,.4);--shadow-card: inset 0 1px 0 rgba(255,255,255,.05), 0 4px 16px rgba(0,0,0,.3);--shadow-btn: inset 0 2px 2px rgba(255,255,255,.2), 0 4px 10px rgba(0,0,0,.5)}*{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent}body{background-color:var(--bg-color);background-image:var(--bg-pattern);background-attachment:fixed;color:var(--text-primary);font-family:var(--font-body);line-height:1.5;min-height:100vh;transition:background-color .3s,color .3s}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--text-muted);border-radius:4px}h1,h2,h3,h4,h5,h6{font-weight:700;margin-bottom:.5rem;color:var(--text-primary);line-height:1.3}a{color:var(--primary-color);text-decoration:none}.container{max-width:600px;margin:0 auto;padding:16px;padding-bottom:calc(var(--bottom-nav-height) + 20px)}.text-primary{color:var(--primary-color)}.text-danger{color:var(--danger-color)}.text-muted{color:var(--text-muted)}.text-gold{color:var(--gold-color)}.text-center{text-align:center}.font-bold{font-weight:700}.font-semibold{font-weight:600}.mb-5{margin-bottom:5px}.mb-10{margin-bottom:10px}.mb-15{margin-bottom:15px}.mb-20{margin-bottom:20px}.mt-5{margin-top:5px}.mt-10{margin-top:10px}.mt-20{margin-top:20px}.btn{display:inline-block;font-family:var(--font-body);font-size:1rem;font-weight:700;padding:14px 24px;border:none;border-radius:var(--border-radius-pill);cursor:pointer;text-align:center;transition:all .2s cubic-bezier(.4,0,.2,1);background:var(--bg-elevated);color:var(--text-primary);box-shadow:var(--shadow-sm);position:relative;overflow:hidden}.btn:active{transform:scale(.96);box-shadow:inset 0 2px 4px #0000001a}.btn-primary{background:var(--primary-gradient);color:#fff;box-shadow:var(--shadow-btn);border:1px solid rgba(0,0,0,.05)}.btn-primary:hover{filter:brightness(1.1)}.btn-primary:disabled{background:var(--text-muted);box-shadow:none;cursor:not-allowed;transform:none;filter:none}.btn-secondary{background:#ffffff80;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);color:var(--primary-color);border:1px solid var(--border-color);box-shadow:var(--shadow-sm)}.btn-secondary:hover{background:#fffc}.btn-danger{background:var(--danger-gradient);color:#fff;box-shadow:inset 0 2px 2px #fff6,0 4px 10px #ff3b304d}.form-control{width:100%;background:#ffffffb3;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border:1px solid var(--border-color);color:var(--text-primary);padding:14px 16px;border-radius:var(--border-radius);font-family:var(--font-body);font-size:1rem;outline:none;transition:all .2s;margin-bottom:16px;box-shadow:inset 0 2px 4px #00000005}.form-control:focus{border-color:var(--primary-color);background:var(--bg-elevated);box-shadow:inset 0 2px 4px #00000005,0 0 0 3px #00a1f126}.form-group label{display:block;font-size:.85rem;font-weight:600;margin-bottom:6px;color:var(--text-secondary)}.card{background:var(--bg-card);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-radius:var(--border-radius-lg);padding:20px;box-shadow:var(--shadow-card);border:1px solid var(--bg-card-border);transition:transform .2s,box-shadow .2s}.card:active{transform:scale(.98)}.badge{display:inline-flex;align-items:center;padding:4px 10px;font-size:.75rem;font-weight:600;border-radius:var(--border-radius-pill);background:#f0f4f8;color:var(--text-secondary)}.badge-primary{background:#e3f2fd;color:var(--primary-color)}.badge-danger{background:#ffebee;color:var(--danger-color)}.badge-gold{background:#fff8e1;color:#f57f17}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.animate-fade-in{animation:fadeIn .3s ease-out forwards}.text-retro{font-family:var(--font-body)}