:root{--bg:#07111f;--card:#0e2037;--card2:#122943;--line:rgba(255,255,255,.11);--text:#f6fbff;--muted:#9fb2c7;--brand:#49e3b1;--brand2:#72bdff;--danger:#ff7180;--success:#59dea3;--shadow:0 28px 90px rgba(0,0,0,.34);--max:1160px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:radial-gradient(circle at 12% 0,rgba(114,189,255,.15),transparent 28%),radial-gradient(circle at 90% 12%,rgba(73,227,177,.12),transparent 24%),var(--bg);color:var(--text);font:16px/1.6 Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif}button,input,select{font:inherit}button{color:inherit}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}.shell{width:min(var(--max),calc(100% - 30px));margin:auto}.site-header{position:sticky;top:0;z-index:20;background:rgba(7,17,31,.8);backdrop-filter:blur(18px);border-bottom:1px solid var(--line)}.header-inner{height:70px;display:flex;align-items:center;justify-content:space-between;gap:20px}.brand{display:flex;align-items:center;gap:10px;font-weight:900}.brand-mark{display:grid;place-items:center;width:39px;height:39px;border-radius:12px;background:linear-gradient(135deg,var(--brand),var(--brand2));color:#07111f;font-size:.78rem}.header-inner nav{display:flex;gap:22px;color:#c7d5e4}.header-cta,.primary-btn,.download-btn,.secondary-btn{border:0;border-radius:13px;font-weight:850;cursor:pointer}.header-cta{padding:10px 15px;background:#fff;color:#07111f}.hero{text-align:center;padding:80px 0 45px}.eyebrow{display:inline-flex;padding:7px 12px;border:1px solid rgba(73,227,177,.28);border-radius:999px;color:#aaf5df;background:rgba(73,227,177,.07);font-size:.8rem;font-weight:900;text-transform:uppercase;letter-spacing:.07em}.hero h1{max-width:920px;margin:20px auto 16px;font-size:clamp(2.4rem,6vw,5.1rem);line-height:1.03;letter-spacing:-.06em}.hero h1 span{background:linear-gradient(90deg,var(--brand),var(--brand2));background-clip:text;color:transparent}.hero p{max-width:760px;margin:auto;color:var(--muted);font-size:1.08rem}.hero-points{display:flex;justify-content:center;gap:22px;flex-wrap:wrap;margin-top:25px;color:#c8d7e6;font-size:.9rem}.hero-points span:before{content:"✓";color:var(--brand);font-weight:900;margin-right:7px}.ad-wrap{padding:12px 0 27px}.ad-slot{min-height:92px;display:grid;place-items:center;border:1px dashed rgba(255,255,255,.17);border-radius:16px;color:#71869d;background:rgba(255,255,255,.025);font-size:.77rem;letter-spacing:.08em;text-transform:uppercase}.app-wrap{padding:10px 0 60px}.tool-app{border:1px solid var(--line);border-radius:27px;overflow:hidden;background:linear-gradient(180deg,rgba(18,41,68,.98),rgba(9,24,42,.98));box-shadow:var(--shadow)}.tabs{display:grid;grid-template-columns:1fr 1fr;gap:8px;padding:10px;background:rgba(0,0,0,.22);border-bottom:1px solid var(--line)}.tab{border:0;background:transparent;color:#9eb2c7;border-radius:14px;padding:15px;cursor:pointer;font-weight:900}.tab.is-active{color:#061522;background:linear-gradient(135deg,var(--brand),var(--brand2))}.panel{padding:32px}.panel[hidden]{display:none!important}.panel-heading{text-align:center;max-width:720px;margin:0 auto 27px}.panel-heading h2{margin:0 0 7px;font-size:clamp(1.7rem,3vw,2.5rem);letter-spacing:-.045em}.panel-heading p{margin:0;color:var(--muted)}.drop-zone{display:block;text-align:center;border:2px dashed rgba(114,189,255,.34);border-radius:21px;padding:40px 18px;background:rgba(3,13,25,.43);cursor:pointer;transition:.2s}.drop-zone:hover,.drop-zone.is-dragging{border-color:var(--brand);background:rgba(73,227,177,.06)}.upload-icon{display:grid;place-items:center;width:66px;height:66px;margin:0 auto 13px;border-radius:19px;background:linear-gradient(135deg,rgba(73,227,177,.17),rgba(114,189,255,.18));font-size:1.7rem}.drop-zone strong,.drop-zone small{display:block}.drop-zone small{margin:5px 0 15px;color:var(--muted)}.secondary-btn{display:inline-flex;padding:10px 15px;background:#183452;border:1px solid var(--line)}.workspace{margin-top:20px}.file-card{display:flex;justify-content:space-between;align-items:center;gap:14px;padding:13px 15px;border:1px solid var(--line);border-radius:14px;background:rgba(255,255,255,.03);margin-bottom:18px}.file-card strong,.file-card small{display:block}.file-card small{color:var(--muted)}.link-btn{border:0;background:transparent;color:#9bd9ff;cursor:pointer;font-weight:800}.editor-grid{display:grid;grid-template-columns:minmax(0,1.12fr) minmax(300px,.88fr);gap:19px}.preview-card,.settings-card,.result-card{border:1px solid var(--line);border-radius:19px;background:rgba(3,13,25,.42);overflow:hidden}.preview-title{padding:12px 14px;border-bottom:1px solid var(--line);font-size:.86rem;font-weight:850;color:#c7d7e7}.preview-stage{min-height:355px;display:grid;place-items:center;padding:18px;background-color:#d6dbe1;background-image:linear-gradient(45deg,#c0c7ce 25%,transparent 25%),linear-gradient(-45deg,#c0c7ce 25%,transparent 25%),linear-gradient(45deg,transparent 75%,#c0c7ce 75%),linear-gradient(-45deg,transparent 75%,#c0c7ce 75%);background-size:24px 24px;background-position:0 0,0 12px,12px -12px,-12px 0}.preview-stage img{max-height:330px;object-fit:contain;border-radius:9px;box-shadow:0 10px 35px rgba(0,0,0,.18)}.settings-card{padding:18px}.settings-card h3{margin:0 0 15px}.field{display:block;margin:0 0 15px;color:#dbe8f5;font-size:.87rem;font-weight:780}.field>span{float:right;color:#bdebdc}.field small{display:block;color:var(--muted);font-weight:500;margin-top:4px}select,input[type=number],input[type=color]{width:100%;margin-top:7px;border:1px solid rgba(255,255,255,.13);border-radius:11px;background:#0a1c31;color:#fff;padding:11px 12px;outline:none}input[type=range]{width:100%;margin-top:10px;accent-color:var(--brand)}input[type=color]{height:45px;padding:5px}.field-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}.primary-btn,.download-btn{width:100%;padding:13px 16px;background:linear-gradient(135deg,var(--brand),var(--brand2));color:#06131f}.primary-btn:disabled{opacity:.62;cursor:not-allowed}.progress{margin-top:14px}.progress>div{display:flex;justify-content:space-between;color:#cbd9e7;font-size:.8rem;margin-bottom:5px}.progress progress{width:100%;height:9px;accent-color:var(--brand)}.status{min-height:24px;margin-top:11px;font-size:.84rem;color:var(--muted)}.status.error{color:var(--danger)}.status.success{color:var(--success)}.result-card{margin-top:19px}.result-footer{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:15px}.stats{display:flex;gap:20px;flex-wrap:wrap;color:var(--muted);font-size:.83rem}.stats strong{display:block;color:#fff}.download-btn{width:auto;min-width:175px}.info-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:17px;padding:30px 0 60px}.info-grid article{border:1px solid var(--line);border-radius:17px;background:rgba(255,255,255,.035);padding:21px}.info-grid h3{margin:0 0 8px}.info-grid p{margin:0;color:var(--muted)}.faq{padding:10px 0 75px}.faq h2{text-align:center;font-size:2rem}.faq details{max-width:850px;margin:11px auto;border:1px solid var(--line);border-radius:14px;background:rgba(255,255,255,.03);padding:15px 17px}.faq summary{font-weight:850;cursor:pointer}.faq p{color:var(--muted);margin-bottom:0}footer{border-top:1px solid var(--line);color:var(--muted)}.footer-inner{min-height:75px;display:flex;justify-content:space-between;align-items:center}.busy:before{content:"";width:16px;height:16px;border:2px solid rgba(6,19,31,.25);border-top-color:#06131f;border-radius:50%;animation:spin .7s linear infinite;margin-right:8px;display:inline-block;vertical-align:-3px}@keyframes spin{to{transform:rotate(360deg)}}
@media(max-width:820px){.header-inner nav{display:none}.editor-grid,.info-grid{grid-template-columns:1fr}.panel{padding:20px}.preview-stage{min-height:290px}.result-footer{align-items:stretch;flex-direction:column}.download-btn{width:100%}}
@media(max-width:520px){.shell{width:min(100% - 20px,var(--max))}.header-cta{display:none}.hero{padding-top:58px}.hero h1{font-size:2.45rem}.tabs{grid-template-columns:1fr}.field-row{grid-template-columns:1fr}.panel{padding:14px}.drop-zone{padding:32px 12px}.file-card{align-items:flex-start}.footer-inner{flex-direction:column;justify-content:center;gap:4px}.stats{gap:12px}}