*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}

:root{
    --bg:#1a1a2e;
    --bg-card:#242444;
    --bg-card-h:#2c2c50;
    --bg-input:#242444;
    --bg-elevated:#1e1e34;
    --text:#e8e8f0;
    --text-dim:#9898b0;
    --text-muted:#606078;
    --accent:#7c6cf0;
    --accent-h:#8d7ff5;
    --accent-sub:rgba(124,108,240,0.1);
    --border:rgba(255,255,255,0.07);
    --border-h:rgba(255,255,255,0.12);
    --r:10px;
    --r-lg:14px;
    --r-xl:24px;
    --font:'DM Sans',-apple-system,BlinkMacSystemFont,sans-serif;
    --mono:'Space Mono',monospace;
}

html{scroll-behavior:smooth}
body{font-family:var(--font);background:var(--bg);color:var(--text);line-height:1.5;min-height:100vh;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
button{cursor:pointer;font-family:inherit;border:none;background:none}
img{display:block;max-width:100%}

::-webkit-scrollbar{width:5px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:var(--text-muted);border-radius:3px}

/* === HEADER === */
.header{
    position:sticky;top:0;z-index:100;
    background:rgba(26,26,46,0.9);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
    border-bottom:1px solid var(--border);
}
.header-inner{
    display:flex;align-items:center;height:60px;
    padding:0 20px;gap:14px;
    max-width:1500px;margin:0 auto;
}
.logo{font-family:var(--mono);font-size:18px;font-weight:700;letter-spacing:-0.5px;white-space:nowrap;flex-shrink:0}
.logo span{color:var(--accent)}
.back-btn{
    display:flex;align-items:center;gap:6px;
    font-size:13px;font-weight:500;color:var(--text-dim);
    padding:6px 12px;border-radius:var(--r);transition:all .15s;
}
.back-btn:hover{color:var(--accent);background:var(--accent-sub)}
.header-spacer{flex:1}
.header-actions{display:flex;align-items:center;gap:6px;flex-shrink:0}
.header-btn{
    height:36px;padding:0 10px;display:flex;align-items:center;gap:5px;
    border-radius:var(--r);color:var(--text-dim);font-size:12px;font-weight:500;
    transition:color .2s,background .2s;
}
.header-btn:hover{color:var(--text);background:var(--accent-sub)}
.avatar{width:30px;height:30px;border-radius:50%;object-fit:cover;border:2px solid var(--border)}
.login-btn{
    height:34px;padding:0 16px;background:var(--accent);color:#fff;
    font-size:13px;font-weight:600;border-radius:20px;transition:background .2s;
}
.login-btn:hover{background:var(--accent-h)}
.user-menu-wrapper{position:relative}
.user-menu-trigger{cursor:pointer;display:flex;align-items:center;gap:6px;padding:4px;border-radius:20px;transition:background .2s}
.user-menu-trigger:hover{background:rgba(124,108,240,.12)}
.user-menu-trigger .avatar{transition:border-color .2s}
.user-menu-trigger:hover .avatar{border-color:#7c6cf0}
.user-menu-caret{color:#5a5a6e;transition:transform .2s}
.user-menu-wrapper.open .user-menu-caret{transform:rotate(180deg)}
.user-dropdown{position:absolute;top:calc(100% + 8px);right:0;width:220px;background:#1a1a26;border:1px solid rgba(255,255,255,.12);border-radius:12px;box-shadow:0 8px 32px rgba(0,0,0,.5);overflow:hidden;opacity:0;visibility:hidden;transform:translateY(-8px);transition:all .2s;z-index:300}
.user-menu-wrapper.open .user-dropdown{opacity:1;visibility:visible;transform:translateY(0)}
.dropdown-header{padding:14px 16px;border-bottom:1px solid rgba(255,255,255,.06)}
.dropdown-name{font-size:14px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.dropdown-email{font-size:12px;color:#5a5a6e;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.dropdown-items{padding:6px 0}
.dropdown-item{display:flex;align-items:center;gap:10px;padding:10px 16px;font-size:13px;color:#8b8b9e;transition:background .15s,color .15s}
.dropdown-item:hover{background:rgba(124,108,240,.12);color:#e8e8ed}
.dropdown-item svg{flex-shrink:0}
.dropdown-divider{height:1px;background:rgba(255,255,255,.06);margin:4px 0}
.dropdown-danger{color:#f04d5a}
.dropdown-danger:hover{background:rgba(240,77,90,.1)}
.auth-link{
    font-size:12px;font-weight:500;color:var(--text-dim);
    padding:6px 12px;border:1px solid var(--border);
    border-radius:var(--r);transition:all .15s;
}
.auth-link:hover{border-color:var(--accent);color:var(--accent)}

/* === MAIN === */
.main{max-width:1100px;margin:0 auto;padding:28px 32px 60px}

/* Breadcrumb */
.breadcrumb{
    display:flex;align-items:center;gap:6px;
    font-size:12px;color:var(--text-muted);
    margin-bottom:28px;flex-wrap:wrap;
}
.breadcrumb a{color:var(--text-dim);font-weight:500;transition:color .15s}
.breadcrumb a:hover{color:var(--accent)}
.breadcrumb-sep{color:var(--text-muted)}

/* Hero */
.model-hero{
    display:grid;grid-template-columns:1fr 1fr;
    gap:32px;margin-bottom:36px;align-items:start;
}

.img-wrap{
    aspect-ratio:1;background:var(--bg-elevated);
    border-radius:var(--r-lg);overflow:hidden;
    border:1px solid var(--border);position:relative;
}
.img-wrap img{width:100%;height:100%;object-fit:cover}

.source-badge{
    position:absolute;top:12px;left:12px;
    display:flex;align-items:center;gap:6px;
    padding:5px 14px;border-radius:20px;
    font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.5px;
    backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
}
.source-badge.printables{background:rgba(250,104,49,.85);color:#fff}
.source-badge.thingiverse{background:rgba(36,139,251,.85);color:#fff}
.source-badge.myminifactory{background:rgba(45,178,128,.85);color:#fff}
.source-badge.cults3d{background:rgba(214,51,132,.85);color:#fff}
.source-badge.makerworld{background:rgba(0,174,66,.85);color:#fff}

.wish-btn-detail{
    position:absolute;top:12px;right:12px;z-index:5;
    width:44px;height:44px;display:flex;align-items:center;justify-content:center;
    background:rgba(0,0,0,.45);backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px);
    border-radius:50%;color:#fff;transition:all .2s;cursor:pointer;
}
.wish-btn-detail:hover{background:rgba(0,0,0,.65);transform:scale(1.1)}
.wish-btn-detail svg{fill:none;stroke:currentColor;stroke-width:2}
.wish-btn-detail.active{color:#f04d5a}
.wish-btn-detail.active svg{fill:#f04d5a;stroke:#f04d5a}
.col-btn-detail{position:absolute;top:12px;right:64px;z-index:5;width:44px;height:44px;display:flex;align-items:center;justify-content:center;background:rgba(0,0,0,.45);backdrop-filter:blur(4px);border-radius:50%;color:#fff;transition:all .2s;cursor:pointer}.col-btn-detail:hover{background:rgba(0,0,0,.65);transform:scale(1.1)}.col-btn-detail svg{fill:none;stroke:currentColor;stroke-width:2}.col-modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,.6);z-index:500;display:none;align-items:center;justify-content:center}.col-modal-overlay.active{display:flex}.col-modal{background:#16161f;border:1px solid rgba(255,255,255,.12);border-radius:16px;width:360px;max-width:90vw;max-height:70vh;overflow:hidden;box-shadow:0 16px 48px rgba(0,0,0,.5)}.col-modal-head{padding:16px 20px;border-bottom:1px solid rgba(255,255,255,.06);display:flex;align-items:center;justify-content:space-between}.col-modal-head h3{font-size:16px;font-weight:600;margin:0}.col-modal-close{width:32px;height:32px;display:flex;align-items:center;justify-content:center;border-radius:8px;color:#8b8b9e;cursor:pointer;transition:background .2s}.col-modal-close:hover{background:rgba(255,255,255,.08)}.col-modal-body{padding:12px 20px;overflow-y:auto;max-height:40vh}.col-modal-item{display:flex;align-items:center;gap:12px;padding:10px 0;border-bottom:1px solid rgba(255,255,255,.04);cursor:pointer;transition:opacity .2s}.col-modal-item:last-child{border-bottom:none}.col-modal-item:hover{opacity:.8}.col-check{width:20px;height:20px;border-radius:6px;border:2px solid #5a5a6e;display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:all .2s}.col-check.checked{background:#7c6cf0;border-color:#7c6cf0}.col-item-name{font-size:14px;flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.col-item-count{font-size:12px;color:#5a5a6e}.col-modal-foot{padding:12px 20px;border-top:1px solid rgba(255,255,255,.06)}.col-new-btn{width:100%;padding:10px;background:rgba(124,108,240,.12);color:#7c6cf0;font-size:13px;font-weight:600;border-radius:10px;text-align:center;cursor:pointer;transition:background .2s;border:none;font-family:inherit}.col-new-btn:hover{background:rgba(124,108,240,.2)}

/* Info box */
.info-box{
    background:var(--bg-card);border:1px solid var(--border);
    border-radius:var(--r-lg);padding:28px;
    display:flex;flex-direction:column;gap:20px;
}
.model-category{
    font-size:11px;font-weight:700;letter-spacing:1.5px;
    text-transform:uppercase;color:var(--accent);
}
.model-title{
    font-family:var(--mono);font-size:clamp(1.3rem,2.5vw,2rem);
    font-weight:700;letter-spacing:-.5px;line-height:1.15;color:var(--text);
}
.model-designer{font-size:14px;color:var(--text-dim)}
.model-designer a{color:var(--accent)}
.model-designer a:hover{text-decoration:underline}

/* Stats */
.stat-block{display:flex;border:1px solid var(--border);border-radius:var(--r);overflow:hidden}
.stat-item{flex:1;padding:14px 16px;text-align:center;border-right:1px solid var(--border)}
.stat-item:last-child{border-right:none}
.stat-value{font-family:var(--mono);font-size:1.3rem;font-weight:700;color:var(--text);display:block;line-height:1}
.stat-label{font-size:10px;font-weight:600;letter-spacing:1px;text-transform:uppercase;color:var(--text-muted);display:block;margin-top:4px}

/* CTA */
.cta-btn{
    display:inline-flex;align-items:center;justify-content:center;
    gap:8px;width:100%;background:var(--accent);color:#fff;
    font-size:15px;font-weight:600;padding:14px 24px;
    border-radius:var(--r);transition:background .2s,transform .1s;
}
.cta-btn:hover{background:var(--accent-h)}
.cta-btn:active{transform:scale(0.98)}

/* Share */
.share-row{display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.share-label{font-size:10px;font-weight:600;letter-spacing:1px;text-transform:uppercase;color:var(--text-muted);margin-right:4px}
.share-btn{
    display:flex;align-items:center;justify-content:center;
    width:34px;height:34px;border-radius:var(--r);
    border:1px solid var(--border);background:var(--bg-elevated);
    color:var(--text-muted);transition:all .15s;flex-shrink:0;
}
.share-btn:hover{border-color:var(--accent);color:var(--accent)}
.share-copy.copied{border-color:#22c55e;color:#22c55e}

/* Tags */
.model-tags{display:flex;gap:6px;flex-wrap:wrap}
.tag{
    font-size:12px;font-weight:500;color:var(--text-dim);
    background:var(--bg-elevated);border:1px solid var(--border);
    padding:5px 14px;border-radius:20px;transition:all .15s;
}
.tag:hover{border-color:var(--accent);color:var(--accent);background:var(--accent-sub)}

/* Summary */
.model-summary{font-size:14px;line-height:1.7;color:var(--text-dim)}

/* Meta grid */
.meta-grid{
    display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));
    border:1px solid var(--border);border-radius:var(--r-lg);
    overflow:hidden;margin-bottom:40px;
}
.meta-item{padding:14px 16px;border-right:1px solid var(--border);border-bottom:1px solid var(--border);background:var(--bg-card)}
.meta-label{font-size:10px;font-weight:600;letter-spacing:1px;text-transform:uppercase;color:var(--text-muted);margin-bottom:4px}
.meta-value{font-size:13px;font-weight:500;color:var(--text);display:flex;align-items:center;gap:6px}

/* Section divider */
.section-div{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.section-div h2{font-family:var(--mono);font-size:16px;font-weight:700;white-space:nowrap}
.section-div-line{flex:1;height:1px;background:var(--border)}
.section-div-count{font-size:11px;font-weight:600;letter-spacing:.5px;text-transform:uppercase;color:var(--text-muted);white-space:nowrap}

/* Comments */
.comment-box{
    background:var(--bg-card);border:1px solid var(--border);
    border-radius:var(--r-lg);padding:24px;margin-bottom:40px;
}
.comment-item{display:flex;gap:12px;padding:16px 0;border-bottom:1px solid var(--border)}
.comment-item:first-child{padding-top:0}
.comment-item:last-child{border-bottom:none;padding-bottom:0}
.comment-avatar{width:36px;height:36px;border-radius:50%;flex-shrink:0;object-fit:cover}
.comment-initial{
    width:36px;height:36px;border-radius:50%;
    background:var(--bg-elevated);border:1px solid var(--border);
    display:flex;align-items:center;justify-content:center;
    font-size:14px;font-weight:600;color:var(--text-muted);flex-shrink:0;
}
.comment-author{font-size:13px;font-weight:600;color:var(--text)}
.comment-date{font-size:11px;color:var(--text-muted)}
.comment-text{font-size:13px;line-height:1.6;color:var(--text-dim);margin-top:4px}
.comment-empty{font-size:13px;color:var(--text-muted);text-align:center;padding:24px 0;font-style:italic}
.login-prompt{
    display:flex;align-items:center;justify-content:space-between;gap:16px;
    background:var(--bg-elevated);border:1px solid var(--border);
    border-radius:var(--r);padding:16px 20px;margin-bottom:20px;
}
.login-prompt p{font-size:13px;color:var(--text-dim)}
textarea{
    width:100%;background:var(--bg-elevated);
    border:1px solid var(--border);color:var(--text);
    padding:12px 14px;border-radius:var(--r);
    font-family:var(--font);font-size:14px;
    resize:vertical;outline:none;transition:border-color .15s;
}
textarea:focus{border-color:var(--accent)}
.submit-btn{
    background:var(--accent);color:#fff;border:none;
    padding:8px 20px;border-radius:var(--r);
    font-size:13px;font-weight:600;cursor:pointer;transition:background .2s;
}
.submit-btn:hover{background:var(--accent-h)}

/* Related */
.related-grid{
    display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));
    gap:16px;margin-bottom:40px;
}
.related-card{
    background:var(--bg-card);border:1px solid var(--border);
    border-radius:var(--r-lg);overflow:hidden;transition:all .2s;
}
.related-card:hover{border-color:var(--border-h);box-shadow:0 10px 30px rgba(0,0,0,.35);transform:translateY(-3px)}
.related-card:hover .related-img img{transform:scale(1.05)}
.related-img{aspect-ratio:4/3;overflow:hidden;background:var(--bg-elevated)}
.related-img img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.related-body{padding:12px 14px}
.related-name{
    font-size:13px;font-weight:600;line-height:1.3;color:var(--text);
    display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.related-designer{font-size:11px;color:var(--text-muted);margin-top:4px}
.related-stats{font-size:11px;color:var(--text-muted);margin-top:4px;display:flex;gap:10px}

/* 404 */
.not-found{text-align:center;padding:100px 24px}
.not-found h1{font-family:var(--mono);font-size:6rem;font-weight:700;color:var(--text-muted);line-height:1;opacity:.3}
.not-found p{color:var(--text-dim);margin:16px 0 32px;font-size:15px}
.not-found a{color:var(--accent);font-weight:600;font-size:14px}
.not-found a:hover{text-decoration:underline}

/* Footer */
.footer-wrap{border-top:1px solid var(--border)}
.footer{
    padding:24px 32px;max-width:1500px;margin:0 auto;
    display:flex;justify-content:space-between;align-items:center;
    font-size:12px;color:var(--text-muted);
}
.footer a{color:var(--text-dim);transition:color .15s}
.footer a:hover{color:var(--accent)}

/* Animations */
@keyframes fadeIn{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}
.model-hero{animation:fadeIn .4s ease both}
.related-card{animation:fadeIn .35s ease both}

/* Mobile */
@media(max-width:768px){
    .model-hero{grid-template-columns:1fr;gap:16px}
    .main{padding:16px 14px 40px}
    .header-inner{padding:0 12px;gap:8px}
    .info-box{padding:20px}
    .stat-value{font-size:1.1rem}
    .related-grid{grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px}
}