@import "https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&display=swap";*,:before,:after{box-sizing:border-box;margin:0;padding:0}:root{--y:#ffd600;--y2:#fff176;--black:#0d0d0d;--surface:#1a1a1a;--surface2:#232323;--border:#2a2a2a;--text:#fff;--text2:#a0a0a0;--text3:#666;--radius:12px;--radius-sm:8px;--radius-lg:20px;--shadow:0 4px 24px #0006;--transition:all .2s ease}html{scroll-behavior:smooth}body{background:var(--black);color:var(--text);-webkit-font-smoothing:antialiased;min-height:100vh;font-family:Inter,sans-serif}a{color:inherit;text-decoration:none}button{cursor:pointer;border:none;outline:none;font-family:inherit}input,textarea,select{border:none;outline:none;font-family:inherit}img{max-width:100%;display:block}.container{max-width:1200px;margin:0 auto;padding:0 16px}.btn-primary{background:var(--y);color:var(--black);border-radius:var(--radius);transition:var(--transition);padding:12px 24px;font-size:15px;font-weight:700}.btn-primary:hover{background:var(--y2);transform:translateY(-1px)}.btn-ghost{color:var(--text);border:1px solid var(--border);border-radius:var(--radius);transition:var(--transition);background:0 0;padding:12px 24px;font-weight:600}.btn-ghost:hover{border-color:var(--y);color:var(--y)}.btn-danger{color:#fff;border-radius:var(--radius);background:#f44;padding:10px 20px;font-weight:700}.btn-sm{border-radius:var(--radius-sm);padding:8px 16px;font-size:13px}.input-group{flex-direction:column;gap:6px;margin-bottom:16px;display:flex}.input-group label{color:var(--text2);font-size:13px;font-weight:600}.input-field{background:var(--surface);border:1px solid var(--border);color:var(--text);border-radius:var(--radius-sm);transition:var(--transition);width:100%;padding:12px 16px;font-size:15px}.input-field:focus{border-color:var(--y);box-shadow:0 0 0 2px #ffd60026}.input-field::placeholder{color:var(--text3)}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:20px}.card-hover{transition:var(--transition)}.card-hover:hover{border-color:var(--y);box-shadow:var(--shadow);transform:translateY(-2px)}.badge{color:var(--y);background:#ffd6001f;border:1px solid #ffd6004d;border-radius:100px;align-items:center;gap:6px;padding:6px 14px;font-size:12px;font-weight:600;display:inline-flex}.navbar{z-index:100;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--border);background:#0d0d0deb;position:sticky;top:0}.nav-inner{justify-content:space-between;align-items:center;height:60px;display:flex}.nav-brand{letter-spacing:.5px;flex-shrink:0;align-items:center;gap:10px;font-size:18px;font-weight:800;display:flex}.nav-logo{border-radius:8px;width:32px;height:32px}.desktop-nav-links{flex:1;align-items:center;gap:2px;padding:0 24px;display:none}@media (width>=768px){.desktop-nav-links{display:flex}}.nav-links{align-items:center;gap:4px;display:flex}.nav-link{border-radius:var(--radius-sm);color:var(--text2);transition:var(--transition);cursor:pointer;background:0 0;border:none;flex-direction:column;align-items:center;gap:2px;padding:8px 12px;font-size:11px;font-weight:500;display:flex}.nav-link svg{width:20px;height:20px}.nav-link.active{color:var(--y)}.nav-link:hover{color:var(--text);background:var(--surface)}.nav-right{flex-shrink:0;align-items:center;gap:8px;display:flex}@media (width>=768px){.bottom-nav{display:none!important}.page{padding-bottom:24px!important}}.listing-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);cursor:pointer;transition:var(--transition);overflow:hidden}.listing-card:hover{border-color:var(--y);transform:translateY(-3px);box-shadow:0 8px 32px #ffd6001a}.listing-img{aspect-ratio:1;object-fit:contain;background:var(--surface2);width:100%}.listing-img-placeholder{aspect-ratio:1;background:var(--surface2);justify-content:center;align-items:center;width:100%;font-size:40px;display:flex}.listing-info{padding:10px}.listing-title{color:var(--text);-webkit-line-clamp:2;-webkit-box-orient:vertical;margin-bottom:4px;font-size:13px;font-weight:600;line-height:1.4;display:-webkit-box;overflow:hidden}.listing-price{color:var(--y);margin-bottom:4px;font-size:17px;font-weight:800}.listing-meta{color:var(--text3);align-items:center;gap:4px;font-size:11px;display:flex}.listing-badge{color:var(--y);background:#000000bf;border-radius:4px;padding:3px 7px;font-size:9px;font-weight:700;position:absolute;top:8px;left:8px}.listing-img-wrap{position:relative}.listings-grid{grid-template-columns:repeat(2,1fr);gap:12px;display:grid}@media (width>=640px){.listings-grid{grid-template-columns:repeat(3,1fr)}}@media (width>=1024px){.listings-grid{grid-template-columns:repeat(4,1fr)}}.pills{scrollbar-width:none;gap:8px;padding-bottom:4px;display:flex;overflow-x:auto}.pills::-webkit-scrollbar{display:none}.pill{background:var(--surface);border:1px solid var(--border);color:var(--text2);cursor:pointer;transition:var(--transition);border-radius:100px;flex-shrink:0;padding:8px 16px;font-size:13px;font-weight:500}.pill.active,.pill:hover{background:var(--y);border-color:var(--y);color:var(--black);font-weight:700}.auth-page{background:radial-gradient(at 50% 0,#ffd60014 0%,#0000 60%);justify-content:center;align-items:center;min-height:100vh;padding:20px;display:flex}.auth-card{background:var(--surface);border:1px solid var(--border);border-radius:20px;width:100%;max-width:440px;padding:40px 32px}.auth-logo{align-items:center;gap:10px;margin-bottom:32px;display:flex}.auth-logo img{border-radius:10px;width:40px;height:40px}.auth-logo span{letter-spacing:.5px;font-size:22px;font-weight:900}.auth-title{margin-bottom:6px;font-size:24px;font-weight:800}.auth-sub{color:var(--text2);margin-bottom:28px;font-size:14px}.auth-switch{text-align:center;color:var(--text2);margin-top:20px;font-size:14px}.auth-switch a{color:var(--y);font-weight:600}.otp-inputs{justify-content:center;gap:10px;margin:20px 0;display:flex}.otp-input{text-align:center;background:var(--surface2);border:1px solid var(--border);width:48px;height:56px;color:var(--text);border-radius:var(--radius-sm);transition:var(--transition);font-size:22px;font-weight:700}.otp-input:focus{border-color:var(--y);box-shadow:0 0 0 2px #ffd60033}.search-bar{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);align-items:center;gap:10px;margin-bottom:16px;padding:12px 16px;display:flex}.search-bar input{color:var(--text);background:0 0;flex:1;font-size:14px}.search-bar input::placeholder{color:var(--text3)}.ad-banner{background:var(--surface2);border:1px solid var(--y);border-radius:var(--radius);align-items:center;gap:12px;margin:8px 0;padding:12px 16px;display:flex}.ad-label{background:var(--y);color:var(--black);border-radius:4px;flex-shrink:0;padding:3px 7px;font-size:9px;font-weight:800}.ad-text{color:var(--text2);flex:1;font-size:12px}.chat-list{flex-direction:column;gap:1px;display:flex}.chat-item{cursor:pointer;transition:var(--transition);border-bottom:1px solid var(--border);align-items:center;gap:12px;padding:14px 16px;display:flex}.chat-item:hover{background:var(--surface)}.chat-avatar{background:var(--surface2);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:48px;height:48px;font-size:20px;display:flex}.chat-info{flex:1;min-width:0}.chat-name{margin-bottom:2px;font-size:14px;font-weight:600}.chat-last{color:var(--text2);white-space:nowrap;text-overflow:ellipsis;font-size:12px;overflow:hidden}.chat-time{color:var(--text3);font-size:11px}.unread-dot{background:var(--y);border-radius:50%;flex-shrink:0;width:8px;height:8px}.messages-wrap{background:var(--black);flex-direction:column;flex:1;gap:16px;padding:16px;display:flex;overflow-y:auto}.chat-row{width:100%;display:flex}.chat-row.mine{justify-content:flex-end}.chat-row.theirs{justify-content:flex-start}.chat-bubble{white-space:pre-wrap;word-break:break-word;border-radius:18px;max-width:75%;padding:12px 16px;font-size:14.5px;line-height:1.5;position:relative;box-shadow:0 2px 8px #0003}.chat-row.mine .chat-bubble{background:var(--y);color:var(--black);border-bottom-right-radius:4px;font-weight:500}.chat-row.theirs .chat-bubble{background:var(--surface2);color:var(--text);border-bottom-left-radius:4px}.chat-time{opacity:.6;text-align:inherit;margin-top:4px;font-size:10px}.chat-input-wrap{border-top:1px solid var(--border);background:var(--surface);gap:8px;padding:12px 16px;display:flex}.chat-input{background:var(--surface2);border:1px solid var(--border);color:var(--text);border-radius:100px;flex:1;padding:10px 14px;font-size:14px}.chat-send-btn{background:var(--y);width:44px;height:44px;color:var(--black);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;display:flex}.profile-header{background:linear-gradient(135deg,var(--surface) 0%,var(--surface2) 100%);border-bottom:1px solid var(--border);text-align:center;padding:32px 16px}.profile-avatar{background:var(--y);width:80px;height:80px;color:var(--black);border-radius:50%;justify-content:center;align-items:center;margin:0 auto 12px;font-size:32px;font-weight:800;display:flex}.profile-name{margin-bottom:4px;font-size:22px;font-weight:800}.profile-email{color:var(--text2);font-size:13px}.referral-card{border-radius:var(--radius-lg);background:linear-gradient(135deg,#ffd6001f,#ffd6000a);border:1px solid #ffd6004d;padding:24px}.referral-code{color:var(--y);letter-spacing:4px;text-align:center;margin:12px 0;font-size:26px;font-weight:900}.deal-banner{background:var(--surface2);border-left:4px solid var(--y);border-radius:var(--radius);justify-content:space-between;align-items:center;margin-bottom:16px;padding:12px 16px;display:flex}.deal-banner h3{font-size:14px;font-weight:800}.deal-banner p{color:var(--text2);margin-top:2px;font-size:11px}.page{min-height:100vh;padding-bottom:80px}.page-header{border-bottom:1px solid var(--border);align-items:center;gap:12px;padding:16px;display:flex}.page-title{font-size:20px;font-weight:800}.back-btn{background:var(--surface);cursor:pointer;border:1px solid var(--border);border-radius:50%;justify-content:center;align-items:center;width:36px;height:36px;display:flex}.bottom-nav{-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-top:1px solid var(--border);z-index:100;background:#0d0d0df2;display:flex;position:fixed;bottom:0;left:0;right:0}.bottom-nav-item{cursor:pointer;color:var(--text3);transition:var(--transition);background:0 0;border:none;flex-direction:column;flex:1;justify-content:center;align-items:center;gap:3px;padding:8px 4px;font-size:10px;font-weight:500;display:flex}.bottom-nav-item.active{color:var(--y)}.bottom-nav-item svg{width:22px;height:22px}.sell-fab{background:var(--y);color:var(--black);border-radius:50%;justify-content:center;align-items:center;width:52px;height:52px;margin-top:-20px;display:flex;box-shadow:0 4px 20px #ffd60066}.section{padding:20px 16px}.section-title{margin-bottom:4px;font-size:20px;font-weight:800}.section-sub{color:var(--text2);margin-bottom:20px;font-size:14px}.empty-state{text-align:center;padding:60px 20px}.empty-state .emoji{margin-bottom:16px;font-size:56px}.empty-state h3{margin-bottom:8px;font-size:18px;font-weight:700}.empty-state p{color:var(--text2);font-size:14px}.spinner{border:3px solid var(--border);border-top-color:var(--y);border-radius:50%;width:40px;height:40px;margin:40px auto;animation:.7s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.toast{background:var(--surface2);border:1px solid var(--y);color:var(--text);z-index:999;border-radius:100px;padding:12px 24px;font-size:14px;font-weight:600;animation:.3s fadeUp;position:fixed;bottom:90px;left:50%;transform:translate(-50%)}@keyframes fadeUp{0%{opacity:0;transform:translate(-50%)translateY(10px)}to{opacity:1;transform:translate(-50%)translateY(0)}}.campus-tag{color:var(--text3);align-items:center;gap:4px;font-size:11px;display:inline-flex}.product-images{background:var(--surface2);position:relative}.product-img{object-fit:contain;background:var(--surface2);width:100%;max-height:450px}.product-body{padding:16px}.product-price{color:var(--y);margin-bottom:8px;font-size:28px;font-weight:900}.product-title{margin-bottom:12px;font-size:20px;font-weight:800}.product-desc{color:var(--text2);margin-bottom:20px;font-size:14px;line-height:1.7}.product-actions{border-top:1px solid var(--border);background:var(--black);gap:10px;padding:16px;display:flex;position:sticky;bottom:0}.sell-page{max-width:600px;margin:0 auto;padding:16px}.image-upload-grid{grid-template-columns:repeat(3,1fr);gap:10px;margin-bottom:20px;display:grid}.img-slot{aspect-ratio:1;border:2px dashed var(--border);border-radius:var(--radius);cursor:pointer;transition:var(--transition);color:var(--text3);flex-direction:column;justify-content:center;align-items:center;gap:6px;font-size:11px;display:flex;position:relative;overflow:hidden}.img-slot:hover{border-color:var(--y);color:var(--y)}.img-slot img{object-fit:cover;width:100%;height:100%;position:absolute;inset:0}.admin-table{border-collapse:collapse;width:100%}.admin-table th{text-align:left;color:var(--text2);border-bottom:1px solid var(--border);padding:10px;font-size:12px}.admin-table td{border-bottom:1px solid var(--border);vertical-align:top;padding:10px;font-size:13px}.status-badge{border-radius:100px;padding:4px 10px;font-size:11px;font-weight:700}.status-badge.pending{color:#fa0;background:#fa03}.status-badge.active{color:#00c864;background:#00c86433}.status-badge.rejected{color:#f44;background:#f443}.landing-hero{text-align:center;background:radial-gradient(at 50% 0,#ffd6001a 0%,#0000 60%);flex-direction:column;justify-content:center;align-items:center;min-height:100vh;padding:40px 20px;display:flex}.landing-h1{margin-bottom:16px;font-size:clamp(36px,8vw,72px);font-weight:900;line-height:1.1}.landing-h1 span{color:var(--y)}.landing-sub{color:var(--text2);max-width:480px;margin:0 auto 32px;font-size:clamp(15px,2.5vw,18px);line-height:1.7}.trust-scroll{scrollbar-width:none;flex-wrap:wrap;justify-content:center;gap:24px;padding:0 20px 12px;display:flex;overflow-x:auto}.trust-item{color:var(--text2);white-space:nowrap;font-size:13px}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--y)}.text-yellow{color:var(--y)}.text-muted{color:var(--text2)}.text-sm{font-size:13px}.fw-bold{font-weight:700}.fw-black{font-weight:900}.mt-8{margin-top:8px}.mt-12{margin-top:12px}.mt-16{margin-top:16px}.mt-20{margin-top:20px}.mb-8{margin-bottom:8px}.mb-12{margin-bottom:12px}.mb-16{margin-bottom:16px}.mb-20{margin-bottom:20px}.flex{display:flex}.items-center{align-items:center}.justify-between{justify-content:space-between}.gap-8{gap:8px}.gap-12{gap:12px}.gap-16{gap:16px}.w-full{width:100%}