:root{
    --bg:#f5f7f5; --surface:#ffffff; --ink:#10211a; --muted:#68766f;
    --green:#0b8f5b; --green-dark:#066b43; --mint:#dff7ea; --line:#e2e9e4;
    --shadow:0 18px 50px rgba(15,45,31,.08); --radius:20px;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}

body{font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:var(--bg);color:var(--ink);min-height:100vh}
a{color:inherit}

.site-header{height:76px;padding:0 5%;display:flex;align-items:center;justify-content:space-between;background:rgba(255,255,255,.92);backdrop-filter:blur(16px);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}

.brand{display:flex;align-items:center;gap:11px;text-decoration:none;font-size:1.05rem;font-weight:600}

.brand img{width:38px;height:38px}.brand b{color:var(--green)}

.nav{display:flex;align-items:center;gap:25px}.nav a{text-decoration:none;color:#516059;font-weight:600;font-size:.92rem}.nav a:hover,.nav .active{color:var(--green)}

.nav-pill{background:var(--ink)!important;color:#fff!important;padding:10px 16px;border-radius:999px}

.announcement{background:#0f241a;color:#dff7ea;display:flex;justify-content:center;gap:24px;padding:10px;font-size:.78rem;font-weight:600}

.container{max-width:1180px;margin:0 auto;padding:34px 24px 70px}

.hero{min-height:430px;border-radius:28px;overflow:hidden;position:relative;background:linear-gradient(120deg,#09291c 0%,#0c5136 54%,#0b8f5b 100%);display:flex;align-items:center;padding:60px;color:white;box-shadow:var(--shadow)}

.hero:after{content:"";position:absolute;inset:0;background:url("assets/campus-pattern.svg") center/cover;opacity:.16;pointer-events:none}

.hero-copy{position:relative;z-index:2;max-width:620px}.eyebrow,.section-kicker{font-size:.7rem;letter-spacing:.14em;font-weight:800;color:#75e4b1}

.hero h1{font-size:clamp(2.5rem,5vw,4.6rem);line-height:.98;letter-spacing:-.055em;margin:15px 0 20px}.hero h1 span{color:#9ff0c7}

.hero p{font-size:1.08rem;line-height:1.7;color:#d9efe4;max-width:560px}

.hero-actions{display:flex;gap:12px;margin-top:28px}

.btn{display:inline-flex;justify-content:center;align-items:center;border:0;border-radius:12px;padding:12px 18px;font-weight:800;text-decoration:none;cursor:pointer;transition:.2s ease;font-size:.9rem}.btn:hover{transform:translateY(-1px)}

.btn-primary{background:var(--green);color:#fff}.btn-primary:hover{background:var(--green-dark)}

.btn-secondary{background:#eafff3;color:#0a5136}.btn-outline{background:transparent;color:var(--ink);border:1px solid var(--line)}.btn.full{width:100%}.btn.small{padding:8px 12px;font-size:.8rem}

.hero-art{position:absolute;right:0;top:0;width:44%;height:100%}.hero-orb{position:absolute;width:310px;height:310px;border-radius:50%;background:radial-gradient(circle at 35% 30%,#c4ffe0,rgba(110,230,165,.15) 45%,transparent 70%);right:10%;top:14%}

.floating-card{position:absolute;z-index:3;background:rgba(255,255,255,.95);color:var(--ink);padding:17px 20px;border-radius:16px;box-shadow:0 18px 35px rgba(0,0,0,.2);display:flex;flex-direction:column;min-width:150px;font-size:1.6rem}.floating-card strong{font-size:.95rem;margin-top:5px}.floating-card small{font-size:.72rem;color:var(--muted);margin-top:2px}.card-one{top:28%;right:35%}.card-two{bottom:22%;right:4%}

.search-panel{background:var(--surface);margin:28px 0 46px;padding:25px;border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow);display:flex;align-items:center;justify-content:space-between;gap:25px}.search-panel h2,.section-heading h2{font-size:1.45rem;letter-spacing:-.03em;margin-top:4px}.search-form{display:flex;gap:10px;flex:1;max-width:690px}.search-input{display:flex;align-items:center;gap:8px;border:1px solid var(--line);border-radius:12px;background:#fbfcfb;padding:0 13px;flex:1}.search-input span{font-size:1.3rem;color:var(--muted)}.search-input input,.search-form select,.listing-form input,.listing-form select,.listing-form textarea,.auth-card input,.inline-form input{border:0;outline:0;background:transparent;color:var(--ink);font:inherit;width:100%;padding:12px}.search-form select,.inline-form input{border:1px solid var(--line);border-radius:12px;background:var(--surface)}

.section-heading{display:flex;justify-content:space-between;align-items:end;margin-bottom:20px}.result-count{font-size:.8rem;color:var(--muted);background:#eaf0ec;padding:8px 12px;border-radius:999px}

.product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.product-card{background:var(--surface);border:1px solid var(--line);border-radius:18px;overflow:hidden;display:flex;flex-direction:column;box-shadow:0 8px 30px rgba(15,45,31,.045);transition:.2s}.product-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}

.product-image {
    width: 100%;
    height: 230px;
    background: #f5f7f6;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: 15px;
}

.product-info {
    padding: 20px;
}

.product-category {
    font-size: 13px;
    font-weight: 600;
    color: #198754;
    text-transform: uppercase;
}

.product-info h3 {
    margin: 8px 0;
}

.product-info p {
    color: #666;
    font-size: 14px;
}

.product-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 20px;
}

.product-bottom strong {
    font-size: 18px;
}

.product-image{height:210px;background:#edf4ef;position:relative}.product-image img{width:100%;height:100%;object-fit:cover}.category-badge{position:absolute;top:13px;left:13px;background:rgba(255,255,255,.92);color:var(--green-dark);font-size:.7rem;font-weight:800;padding:7px 10px;border-radius:999px}.category-badge.static{position:static;display:inline-block}

.product-body{padding:19px;display:flex;flex-direction:column;flex:1}.product-body h3{font-size:1.05rem;margin-bottom:7px}.price{font-size:1.15rem;font-weight:900;color:var(--green);margin-bottom:9px}.price.large{font-size:1.8rem}.product-body p{color:var(--muted);font-size:.86rem;line-height:1.55;min-height:42px}.seller{color:#7a867f;font-size:.75rem;margin:13px 0}.seller b{color:var(--ink)}

.empty-state{grid-column:1/-1;background:var(--surface);border:1px dashed #cbd7cf;border-radius:20px;padding:60px;text-align:center}.empty-icon{font-size:2.3rem}.empty-state h3{margin:10px}.empty-state p{color:var(--muted);margin-bottom:20px}

.footer{background:#0b1d14;color:#a7bdb1;padding:28px 5%;display:flex;justify-content:space-between;font-size:.78rem}.footer b{color:white}.footer span{display:inline-block;margin-top:5px}

.auth-page{background:linear-gradient(135deg,#e8f7ef,#f7faf8)}.auth-shell{max-width:500px;margin:45px auto;padding:20px}.auth-brand{justify-content:center;margin-bottom:25px}.auth-card{background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:24px;padding:36px}.auth-icon{font-size:2rem;margin-bottom:12px}.auth-card h1{font-size:1.8rem;letter-spacing:-.04em;margin:6px 0}.auth-subtitle{color:var(--muted);font-size:.9rem;margin-bottom:24px}.auth-card label,.listing-form label{display:block;font-size:.82rem;font-weight:800;margin:16px 0}.auth-card input{border:1px solid var(--line);border-radius:10px;background:#fafcfb;margin-top:7px}.auth-footer{text-align:center;color:var(--muted);font-size:.82rem;margin-top:18px}.auth-footer a,.table-empty a{color:var(--green);font-weight:800;text-decoration:none}

.alert{padding:12px 14px;border-radius:10px;margin:15px 0;font-size:.83rem}.alert.error{background:#fff0ef;color:#a2352c}.alert.success{background:#eaf9f0;color:#187146}

.page-intro{display:flex;justify-content:space-between;align-items:end;margin:10px 0 28px}.page-intro h1,.form-page h1{font-size:2.25rem;letter-spacing:-.045em;margin:6px 0}.page-intro p,.form-page>p{color:var(--muted)}

.stats-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:15px;margin-bottom:24px}.stat{background:var(--surface);border:1px solid var(--line);padding:20px;border-radius:16px}.stat span{display:block;color:var(--muted);font-size:.78rem}.stat strong{display:block;font-size:1.9rem;margin-top:7px}

.dashboard-card{background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:24px;margin-bottom:22px}.table-wrap{overflow:auto}table{width:100%;border-collapse:collapse;margin-top:8px}th,td{text-align:left;padding:14px;border-bottom:1px solid var(--line);font-size:.82rem}th{font-size:.7rem;color:var(--muted);text-transform:uppercase;letter-spacing:.08em}tr:last-child td{border-bottom:0}.item-cell{display:flex;align-items:center;gap:12px;font-weight:800}.item-cell img{width:45px;height:45px;object-fit:cover;border-radius:9px;background:#eef5f0}.status{font-size:.7rem;font-weight:800;padding:6px 9px;border-radius:999px}.status.approved{background:#e6f8ed;color:#137046}.status.pending{background:#fff6dc;color:#946c00}.text-danger{color:#c84b42;text-decoration:none;font-weight:800}.table-empty{text-align:center;color:var(--muted);padding:30px}.admin-two{display:grid;grid-template-columns:1.2fr .8fr;gap:22px}.inline-form{display:flex;gap:8px;margin:18px 0}.tag-list{display:flex;flex-wrap:wrap;gap:7px}.tag-list span{background:#edf5ef;padding:7px 10px;border-radius:999px;font-size:.72rem;color:var(--green-dark);font-weight:700}.admin-metric{border-top:1px solid var(--line);padding:17px 0}.admin-metric strong{display:block;font-size:1.35rem}.admin-metric span{color:var(--muted);font-size:.76rem}

.narrow{max-width:850px}.form-page{background:#fff;border:1px solid var(--line);border-radius:22px;padding:35px;box-shadow:var(--shadow)}.listing-form{margin-top:20px}.listing-form input,.listing-form select,.listing-form textarea{border:1px solid var(--line);border-radius:11px;background:#fbfcfb;margin-top:7px;display:block}.listing-form textarea{resize:vertical}.muted{color:var(--muted);font-weight:500}.form-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:20px}

.checkout-card{background:#fff;border:1px solid var(--line);border-radius:22px;overflow:hidden;display:grid;grid-template-columns:1fr 1fr;box-shadow:var(--shadow)}.checkout-image{min-height:480px;background:#edf4ef}.checkout-image img{width:100%;height:100%;object-fit:cover}.checkout-info{padding:38px}.checkout-info h1{font-size:2rem;letter-spacing:-.04em;margin:15px 0}.checkout-info>p{color:var(--muted);line-height:1.6}.back-link{display:block;margin-top:18px;color:var(--muted);font-size:.82rem;text-decoration:none}.success-card{text-align:center;background:#fff;border:1px solid var(--line);border-radius:22px;padding:70px 30px;box-shadow:var(--shadow);max-width:620px;margin:30px auto}.success-icon{width:64px;height:64px;border-radius:50%;background:#e4f8ed;color:var(--green);display:grid;place-items:center;font-size:2rem;font-weight:900;margin:0 auto 20px}.success-card h1{font-size:2rem;margin:8px}.success-card p{color:var(--muted);margin:15px 0 25px}

@media(max-width:900px){.hero{padding:45px}.hero-art{opacity:.45;width:50%}.product-grid{grid-template-columns:repeat(2,1fr)}.search-panel{flex-direction:column;align-items:stretch}.search-form{max-width:none}.admin-two{grid-template-columns:1fr}}

@media(max-width:650px){.site-header{height:auto;padding:14px 18px;gap:12px;align-items:flex-start}.nav{gap:10px;flex-wrap:wrap;justify-content:flex-end}.nav a{font-size:.76rem}.announcement-hide{display:none}.container{padding:22px 15px 50px}.hero{min-height:500px;padding:32px 25px;align-items:flex-start}.hero-art{display:none}.hero h1{font-size:2.7rem}.hero-actions{flex-direction:column}.product-grid,.stats-grid{grid-template-columns:1fr}.search-form{flex-direction:column}.page-intro{align-items:flex-start;gap:15px;flex-direction:column}.checkout-card{grid-template-columns:1fr}.checkout-image{min-height:260px}.form-page,.dashboard-card,.auth-card{padding:22px}.footer{flex-direction:column;gap:10px}}