*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
:root{--bg:#0a0a0a;--bg2:#111;--bg3:#1a1a1a;--tx:#f0f0f0;--tx2:#999;--ac:#c084fc;--ac2:#a855f7;--glow:rgba(168,85,247,.3);--bd:#222;--r:12px;--rs:8px}
html{scroll-behavior:smooth}
body{font-family:'Inter',-apple-system,sans-serif;background:var(--bg);color:var(--tx);line-height:1.6;-webkit-font-smoothing:antialiased}
.container{max-width:1100px;margin:0 auto;padding:0 24px}
a{color:inherit;text-decoration:none}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;padding:10px 24px;border-radius:var(--rs);font-weight:600;font-size:.95rem;cursor:pointer;border:none;transition:all .2s;background:var(--ac);color:#fff}
.btn:hover{background:var(--ac2);transform:translateY(-1px);box-shadow:0 4px 20px var(--glow)}
.btn-sm{padding:7px 18px;font-size:.85rem}
.btn-lg{padding:14px 32px;font-size:1.05rem}
.btn-full{width:100%}
.btn-outline{background:transparent;border:1.5px solid var(--ac);color:var(--ac)}
.btn-outline:hover{background:var(--ac);color:#fff}
.btn-accent{background:linear-gradient(135deg,var(--ac),#7c3aed);border:none}
.btn-accent:hover{box-shadow:0 4px 24px var(--glow)}
.btn:disabled{opacity:.4;cursor:not-allowed;transform:none}

/* Nav */
.nav{position:fixed;top:0;left:0;right:0;z-index:100;backdrop-filter:blur(20px);background:rgba(10,10,10,.85);border-bottom:1px solid var(--bd)}
.nav-inner{max-width:1100px;margin:0 auto;padding:0 24px;display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{font-size:1.3rem;font-weight:800;letter-spacing:-.5px}
.logo span{color:var(--ac)}
.nav-links{display:flex;gap:28px}
.nav-links a{font-size:.9rem;color:var(--tx2);transition:color .2s}
.nav-links a:hover{color:var(--tx)}

/* Auth */
.nav-auth{display:flex;align-items:center;gap:12px}
.user-menu{display:flex;align-items:center;gap:10px}
.user-avatar{width:32px;height:32px;border-radius:50%;object-fit:cover}
.user-name{font-size:.85rem;font-weight:500;color:var(--tx2)}

/* Hero */
.hero{position:relative;padding:160px 0 100px;text-align:center;overflow:hidden;min-height:80vh;display:flex;align-items:center}
.hero-bg{position:absolute;inset:0;background:radial-gradient(ellipse 60% 50% at 50% 0%,rgba(168,85,247,.15),transparent),radial-gradient(ellipse 40% 40% at 80% 80%,rgba(168,85,247,.08),transparent)}
.hero-content{position:relative}
.hero h1{font-family:'Playfair Display',serif;font-size:clamp(2.4rem,5.5vw,4.2rem);line-height:1.15;margin-bottom:20px;letter-spacing:-1px}
.accent{color:var(--ac)}
.hero-sub{font-size:1.15rem;color:var(--tx2);max-width:560px;margin:0 auto 32px}
.hero-actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
.hero-note{margin-top:16px;font-size:.85rem;color:var(--tx2)}

/* Sections */
.section{padding:100px 0}
.section-dark{background:var(--bg2)}
.section-title{font-family:'Playfair Display',serif;font-size:clamp(1.8rem,3.5vw,2.6rem);text-align:center;margin-bottom:12px}
.section-sub{text-align:center;color:var(--tx2);margin-bottom:48px;font-size:1.05rem}

/* Steps */
.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:32px;margin-top:48px}
.step{text-align:center;padding:32px 20px;border:1px solid var(--bd);border-radius:var(--r);background:var(--bg2);transition:border-color .3s}
.step:hover{border-color:var(--ac)}
.step-num{width:44px;height:44px;border-radius:50%;background:var(--ac);color:#fff;font-weight:700;display:inline-flex;align-items:center;justify-content:center;margin-bottom:16px;font-size:1.1rem}
.step h3{margin-bottom:8px;font-size:1.05rem}
.step p{color:var(--tx2);font-size:.9rem}

/* Design Tabs */
.design-tabs{display:flex;justify-content:center;gap:4px;margin-bottom:32px;background:var(--bg);border-radius:var(--rs);padding:4px;max-width:480px;margin-left:auto;margin-right:auto}
.design-tab{flex:1;padding:10px 20px;border:none;background:transparent;color:var(--tx2);font-size:.9rem;font-weight:600;cursor:pointer;border-radius:6px;transition:all .2s}
.design-tab:hover{color:var(--tx)}
.design-tab.active{background:var(--ac);color:#fff}
.tab-panel{display:none}
.tab-panel.active{display:block}

/* Generator */
.generator{display:grid;grid-template-columns:380px 1fr;gap:32px;align-items:start}
.gen-form{background:var(--bg3);border:1px solid var(--bd);border-radius:var(--r);padding:28px}
.gen-form label{display:block;font-weight:600;font-size:.9rem;margin:20px 0 8px}
.gen-form label:first-child{margin-top:0}
.gen-form textarea,.gen-form select{width:100%;padding:12px;border-radius:var(--rs);border:1px solid var(--bd);background:var(--bg);color:var(--tx);font-family:inherit;font-size:.95rem;resize:vertical}
.gen-form textarea:focus,.gen-form select:focus{outline:none;border-color:var(--ac)}
.gen-note{text-align:center;font-size:.8rem;color:var(--tx2);margin-top:10px}
.style-pills{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:24px}
.pill{padding:6px 14px;border-radius:20px;font-size:.82rem;border:1px solid var(--bd);background:transparent;color:var(--tx2);cursor:pointer;transition:all .2s}
.pill:hover{border-color:var(--ac);color:var(--tx)}
.pill.active{background:var(--ac);color:#fff;border-color:var(--ac)}
.gen-results{min-height:400px;border:1px solid var(--bd);border-radius:var(--r);background:var(--bg3);display:grid;grid-template-columns:1fr 1fr;gap:16px;padding:16px}
.results-placeholder{grid-column:1/-1;display:flex;flex-direction:column;align-items:center;justify-content:center;color:var(--tx2)}
.ph-icon{font-size:3rem;margin-bottom:12px;opacity:.4}
.result-card{border-radius:var(--rs);overflow:hidden;position:relative;aspect-ratio:1;background:var(--bg);cursor:pointer;border:2px solid transparent;transition:border-color .2s}
.result-card:hover{border-color:var(--ac)}
.result-card.selected{border-color:var(--ac);box-shadow:0 0 20px var(--glow)}
.result-card canvas{width:100%;height:100%;display:block}
.result-card .wm{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font-size:1rem;font-weight:700;color:rgba(255,255,255,.18);transform:rotate(-30deg);pointer-events:none;letter-spacing:4px}

/* Preview */
.preview-app{display:grid;grid-template-columns:1fr 320px;gap:32px}
.canvas-wrap{position:relative;background:var(--bg2);border:1px solid var(--bd);border-radius:var(--r);overflow:hidden;aspect-ratio:6/7}
.canvas-wrap canvas{width:100%;height:100%;display:block}
.upload-overlay{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;cursor:pointer;border:2px dashed var(--bd);border-radius:var(--r);transition:border-color .3s}
.upload-overlay:hover{border-color:var(--ac)}
.upload-overlay.hidden{display:none}
.change-photo-btn{position:absolute;top:12px;right:12px;z-index:10}
.upload-icon{font-size:3rem;margin-bottom:12px}
.upload-overlay p{color:var(--tx2);text-align:center}
.upload-overlay span{color:var(--ac)}
.preview-controls{background:var(--bg2);border:1px solid var(--bd);border-radius:var(--r);padding:28px;align-self:start}
.preview-controls h3{margin-bottom:20px}
.ctrl{margin-bottom:20px}
.ctrl label{display:block;font-size:.85rem;color:var(--tx2);margin-bottom:6px}
.ctrl input[type=range]{width:100%;accent-color:var(--ac)}
.preview-btns{display:flex;flex-direction:column;gap:10px;margin-top:24px}
.small-note{font-size:.8rem;color:var(--tx2);text-align:center;margin-top:10px}

/* Gallery */
.gallery{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:20px;margin-top:48px}
.gallery-card{border:1px solid var(--bd);border-radius:var(--r);overflow:hidden;cursor:pointer;transition:all .3s;background:var(--bg)}
.gallery-card:hover{border-color:var(--ac);transform:translateY(-4px)}
.gallery-img{--h:200;--s:60%;height:150px;display:flex;align-items:center;justify-content:center;font-size:1rem;font-weight:600;color:rgba(255,255,255,.7);background:linear-gradient(135deg,hsl(var(--h),var(--s),15%),hsl(var(--h),var(--s),25%))}
.gallery-card h4{padding:12px 14px 4px;font-size:.92rem}
.gallery-card p{padding:0 14px 14px;font-size:.8rem;color:var(--tx2)}

/* Converter */
.converter-app{display:grid;grid-template-columns:1fr 320px;gap:32px;align-items:start}
.converter-upload{position:relative;background:var(--bg2);border:1px solid var(--bd);border-radius:var(--r);overflow:hidden;aspect-ratio:1;max-width:512px}
.converter-drop{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;cursor:pointer;border:2px dashed var(--bd);border-radius:var(--r);transition:border-color .3s}
.converter-drop:hover{border-color:var(--ac)}
.converter-drop.hidden{display:none}
.converter-upload canvas{width:100%;height:100%;display:block}
.converter-controls{background:var(--bg2);border:1px solid var(--bd);border-radius:var(--r);padding:28px;align-self:start}
.converter-controls h3{margin-bottom:20px}

/* Library */
.library-filters{margin-bottom:32px}
.filter-group{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin-bottom:12px}
.filter-label{font-size:.85rem;font-weight:600;color:var(--tx2);margin-right:4px;min-width:70px}
.library-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:16px}
.library-card{border:1px solid var(--bd);border-radius:var(--r);overflow:hidden;cursor:pointer;transition:all .2s;background:var(--bg2);position:relative}
.library-card:hover{border-color:var(--ac);transform:translateY(-3px);box-shadow:0 4px 16px rgba(0,0,0,.3)}
.library-card.selected{border-color:var(--ac);box-shadow:0 0 20px var(--glow)}
.library-card img{width:100%;aspect-ratio:1;object-fit:cover;display:block;background:var(--bg3)}
.library-card-info{padding:10px 12px}
.library-card-title{display:block;font-size:.85rem;font-weight:500;text-transform:capitalize;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.library-card-style{display:block;font-size:.75rem;color:var(--tx2);text-transform:capitalize;margin-top:2px}
.library-empty{grid-column:1/-1;text-align:center;color:var(--tx2);padding:60px 0}

/* Pricing */
.pricing-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:24px;margin-top:48px}
.price-card{background:var(--bg2);border:1px solid var(--bd);border-radius:var(--r);padding:36px 28px;text-align:center;position:relative;transition:border-color .3s}
.price-card:hover{border-color:var(--ac)}
.price-card.featured{border-color:var(--ac);background:linear-gradient(to bottom,rgba(168,85,247,.08),var(--bg2))}
.badge{position:absolute;top:-12px;left:50%;transform:translateX(-50%);background:var(--ac);color:#fff;padding:4px 16px;border-radius:20px;font-size:.78rem;font-weight:600}
.price-card h3{font-size:1.2rem;margin-bottom:12px}
.price{font-size:2.8rem;font-weight:800;margin-bottom:24px}
.price span{font-size:1rem;font-weight:400;color:var(--tx2)}
.price-card ul{list-style:none;margin-bottom:28px}
.price-card li{padding:8px 0;font-size:.9rem;color:var(--tx2);border-bottom:1px solid var(--bd)}
.price-card li:last-child{border:none}

/* Footer */
.footer{background:var(--bg2);border-top:1px solid var(--bd);padding:60px 0 0}
.footer-inner{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px}
.footer-brand p{color:var(--tx2);font-size:.9rem;margin-top:12px}
.footer-col{display:flex;flex-direction:column;gap:10px}
.footer-col h4{margin-bottom:4px;font-size:.9rem}
.footer-col a{font-size:.85rem;color:var(--tx2);transition:color .2s}
.footer-col a:hover{color:var(--ac)}
.footer-bottom{padding:24px 0;margin-top:40px;border-top:1px solid var(--bd)}
.footer-bottom p{font-size:.82rem;color:var(--tx2)}

/* Loading spinner */
.spinner{display:inline-block;width:20px;height:20px;border:2px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin .6s linear infinite;margin-right:8px}
@keyframes spin{to{transform:rotate(360deg)}}

/* PayPal Modal */
#paypal-modal{display:none;position:fixed;inset:0;z-index:200}
#paypal-modal.active{display:flex;align-items:center;justify-content:center}
.paypal-modal-backdrop{position:absolute;inset:0;background:rgba(0,0,0,.7);backdrop-filter:blur(4px)}
.paypal-modal-content{position:relative;background:var(--bg2);border:1px solid var(--bd);border-radius:var(--r);padding:32px;width:90%;max-width:420px;text-align:center}
.paypal-modal-content h3{margin-bottom:8px;font-size:1.2rem}
.paypal-modal-info{color:var(--tx2);margin-bottom:24px;font-size:.95rem}
#paypal-button-container{min-height:50px;margin-bottom:16px}
.paypal-modal-close{margin-top:4px}

/* My Designs */
.my-designs-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:16px}
.my-design-card{border:1px solid var(--bd);border-radius:var(--r);overflow:hidden;cursor:pointer;transition:all .2s;background:var(--bg)}
.my-design-card:hover{border-color:var(--ac);transform:translateY(-3px)}
.my-design-card img{width:100%;aspect-ratio:1;object-fit:cover;display:block;background:var(--bg3)}
.my-design-info{padding:10px 12px}
.my-design-info .prompt{font-size:.85rem;font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.my-design-info .meta{font-size:.75rem;color:var(--tx2);margin-top:2px;text-transform:capitalize}

/* Mobile menu */
.mobile-toggle{display:none;background:none;border:none;color:var(--tx);font-size:1.5rem;cursor:pointer;padding:4px}
.mobile-nav{display:none;position:fixed;top:64px;left:0;right:0;background:var(--bg2);border-bottom:1px solid var(--bd);padding:16px 24px;z-index:99;flex-direction:column;gap:16px}
.mobile-nav.open{display:flex}
.mobile-nav a{font-size:1rem;color:var(--tx2);padding:8px 0;border-bottom:1px solid var(--bd)}
.mobile-nav a:last-child{border:none}

/* Responsive */
@media(max-width:768px){
  .nav-links{display:none}
  .mobile-toggle{display:block}
  .user-name{display:none}
  .generator{grid-template-columns:1fr}
  .gen-results{min-height:280px;grid-template-columns:1fr 1fr}
  .preview-app{grid-template-columns:1fr}
  .converter-app{grid-template-columns:1fr}
  .converter-controls{margin-top:-16px}
  .preview-controls{margin-top:-16px}
  .footer-inner{grid-template-columns:1fr 1fr}
  .pricing-cards{grid-template-columns:1fr;max-width:360px;margin-left:auto;margin-right:auto}
  .section{padding:60px 0}
  .design-tabs{max-width:100%}
  .design-tab{padding:8px 12px;font-size:.82rem}
  .style-pills{gap:6px}
  .pill{padding:5px 10px;font-size:.78rem}
  .library-grid{grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:12px}
  .filter-group{gap:6px}
  .gallery{grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:12px}
}
@media(max-width:480px){
  .hero{min-height:auto;padding:120px 0 60px}
  .hero h1{font-size:2rem}
  .hero-sub{font-size:1rem}
  .hero-actions{flex-direction:column;align-items:center}
  .gen-results{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr 1fr;gap:16px}
  .step{padding:20px 14px}
  .canvas-wrap{aspect-ratio:4/5}
  .section-title{font-size:1.5rem}
}