:root{--navy:#082b58;--navy2:#123f78;--orange:#ff6b00;--bg:#eef4fa;--text:#0c2850;--muted:#66809e;--line:#dbe6f1}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:system-ui,-apple-system,"Segoe UI","Noto Sans Thai",sans-serif;color:var(--text);background:var(--bg)}
.topbar{height:80px;background:#fff;display:flex;align-items:center;justify-content:space-between;padding:0 max(5vw,24px);position:sticky;top:0;z-index:30;border-bottom:1px solid #edf1f6}
.brand{display:flex;align-items:center;gap:10px}.brandmark{width:44px;height:44px;border-radius:13px;background:linear-gradient(145deg,var(--orange),var(--navy));color:#fff;display:grid;place-items:center;font-size:25px;font-weight:900}.brand b{font-size:22px}.brand small{display:block;font-size:9px;letter-spacing:1.2px;color:#6e8298}
nav{display:flex;gap:30px}nav a{color:#102c55;text-decoration:none;font-weight:700;padding:28px 0 23px}nav a.active{color:var(--orange);border-bottom:3px solid var(--orange)}.homebtn{background:var(--navy);color:#fff;text-decoration:none;padding:14px 20px;border-radius:14px;font-weight:800}
.hero{min-height:430px;background:linear-gradient(115deg,#05234d 0 58%,#153d73 58% 73%,#ff6b00 73% 100%);color:#fff;padding:58px max(7vw,40px);display:grid;grid-template-columns:1.35fr .65fr;align-items:center;gap:30px;overflow:hidden}.eyebrow{font-size:12px;letter-spacing:2px;color:#ffc69c;font-weight:900}.hero h1{font-size:72px;line-height:.95;margin:15px 0}.hero h1 span{color:var(--orange)}.hero h2{font-size:31px;margin:8px 0}.hero p{font-size:18px}.badges{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:34px}.badges div{background:rgba(255,255,255,.06);border-radius:16px;padding:13px}.badges b{display:block}.badges small{opacity:.82}.hero-art{position:relative;min-height:300px;display:grid;place-items:center}.robot{font-size:145px;filter:drop-shadow(0 16px 15px rgba(0,0,0,.18));z-index:2}.doccard{position:absolute;right:3%;top:20%;background:#fff;color:var(--orange);font-weight:900;font-size:44px;padding:60px 24px;border-radius:20px;transform:rotate(7deg);box-shadow:0 16px 40px rgba(0,0,0,.25)}.tag{font-style:italic;font-size:20px;position:absolute;bottom:3%;left:6%}
.workspace{max-width:1240px;margin:-36px auto 0;padding:0 18px 48px;position:relative;z-index:5}.toolbar-card,.pages-panel,.settings-panel{background:#fff;border-radius:24px;box-shadow:0 13px 35px rgba(19,54,91,.10)}.toolbar-card{padding:25px 30px;display:flex;justify-content:space-between;align-items:center;gap:20px}.toolbar-card h3,.panel-head h3{margin:0;font-size:26px}.toolbar-card p{margin:4px 0;color:var(--muted)}.actions{display:flex;gap:10px;flex-wrap:wrap}.btn{border:0;border-radius:13px;padding:14px 18px;font-weight:800;cursor:pointer;font-size:15px}.primary{background:var(--orange);color:#fff}.navy{background:var(--navy);color:#fff}.ghost{background:#edf3f8;color:#27476e}.wide{width:100%}.btn:disabled{opacity:.45;cursor:not-allowed}
.main-grid{display:grid;grid-template-columns:1fr 330px;gap:18px;margin-top:18px}.pages-panel{padding:20px}.settings-panel{padding:20px;height:max-content;position:sticky;top:98px}.panel-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}.settings-panel label{display:block;font-weight:700;margin:14px 0}.settings-panel select{width:100%;padding:12px;border:1px solid var(--line);border-radius:11px;margin-top:7px}.check{display:flex!important;gap:8px;align-items:center}.privacy{font-size:12px;color:#607995;background:#f4f8fb;padding:12px;border-radius:12px;margin-top:14px}
.pages{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.pages.empty{display:block}.empty-state{text-align:center;padding:70px 20px;color:#7890a8}.empty-icon{font-size:58px}.page-card{border:1px solid var(--line);border-radius:18px;overflow:hidden;background:#fbfdff}.thumb{aspect-ratio:3/4;background:#e9eef4;display:grid;place-items:center;overflow:hidden}.thumb img{width:100%;height:100%;object-fit:cover}.page-meta{padding:10px}.page-title{display:flex;justify-content:space-between;font-weight:800}.page-actions{display:grid;grid-template-columns:repeat(4,1fr);gap:6px;margin-top:8px}.page-actions button{border:0;background:#edf3f8;border-radius:9px;padding:8px;cursor:pointer}.drag-hint{font-size:11px;color:#8094aa;margin-top:6px}
.info-section,.faq{max-width:1100px;margin:30px auto;padding:30px}.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.steps div{background:#fff;border-radius:18px;padding:22px;box-shadow:0 8px 25px rgba(0,0,0,.06)}.steps b{width:34px;height:34px;border-radius:50%;background:var(--orange);color:#fff;display:grid;place-items:center;margin-bottom:10px}.faq details{background:#fff;border-radius:14px;margin:10px 0;padding:15px 18px}.faq summary{font-weight:800;cursor:pointer}footer{background:var(--navy);color:#fff;text-align:center;padding:24px}
.modal{position:fixed;inset:0;background:rgba(1,19,43,.72);z-index:60;display:grid;place-items:center;padding:18px}.hidden{display:none!important}.modal-card{width:min(1100px,96vw);max-height:92vh;overflow:auto;background:#fff;border-radius:20px}.modal-head{display:flex;justify-content:space-between;align-items:center;padding:17px 20px;border-bottom:1px solid var(--line)}.modal-head h3{margin:0}.modal-head button{border:0;background:#edf3f8;border-radius:10px;padding:9px 12px}.editor-layout{display:grid;grid-template-columns:1fr 230px;gap:16px;padding:18px}.canvas-wrap{position:relative;min-height:420px;background:#172537;border-radius:16px;display:grid;place-items:center;overflow:hidden}.canvas-wrap canvas{max-width:100%;max-height:70vh}.edit-tools{display:flex;flex-direction:column;gap:9px}.edit-tools button{padding:12px;border:0;border-radius:10px;background:#edf3f8;font-weight:800;cursor:pointer}.edit-tools button.active{background:var(--navy);color:#fff}
.crop-box{position:absolute;border:2px dashed var(--orange);background:rgba(255,107,0,.08)}.handle{position:absolute;width:18px;height:18px;background:#fff;border:3px solid var(--orange);border-radius:50%}.tl{left:-9px;top:-9px}.tr{right:-9px;top:-9px}.bl{left:-9px;bottom:-9px}.br{right:-9px;bottom:-9px}
.preview-pages{padding:20px;display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.preview-pages img{width:100%;border:1px solid var(--line);border-radius:10px}
.install-banner{position:fixed;left:16px;right:16px;bottom:16px;background:var(--navy);color:#fff;border-radius:18px;padding:14px 16px;z-index:70;display:flex;align-items:center;justify-content:space-between;box-shadow:0 12px 40px rgba(0,0,0,.25)}.install-banner small{display:block;opacity:.8}.install-banner button{border:0;border-radius:10px;padding:10px 14px;margin-left:8px}.install-banner #installApp{background:var(--orange);color:#fff;font-weight:800}
@media(max-width:900px){nav{display:none}.hero{grid-template-columns:1fr;padding:42px 22px}.hero-art{min-height:210px}.hero h1{font-size:58px}.badges{grid-template-columns:repeat(2,1fr)}.main-grid{grid-template-columns:1fr}.settings-panel{position:static}.pages{grid-template-columns:repeat(2,1fr)}.steps{grid-template-columns:1fr 1fr}.editor-layout{grid-template-columns:1fr}.edit-tools{display:grid;grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.topbar{height:66px;padding:0 14px}.brand b{font-size:18px}.brand small{display:none}.homebtn{padding:10px 12px}.hero{padding:30px 18px;min-height:390px}.hero h1{font-size:48px}.hero h2{font-size:25px}.hero-art{display:none}.badges{gap:8px}.badges div{padding:10px}.toolbar-card{align-items:flex-start;flex-direction:column}.actions{width:100%}.actions .btn{flex:1}.pages{grid-template-columns:1fr}.steps{grid-template-columns:1fr}.preview-pages{grid-template-columns:1fr}.install-banner{align-items:flex-start;gap:10px}}