:root{
  --bg:#f4f5f7;--card:#fff;--ink:#1f2a3c;--muted:#5d6a7e;--line:#d6dbe3;--line-soft:#e8ebf0;
  --brand:#3d5bc9;--brand-dark:#2f49a8;--brand-soft:#eef1fb;--ok:#1d7a3e;--ok-soft:#e6f4ea;
  --warn:#9a6700;--warn-soft:#fff4d6;--bad:#b42318;--bad-soft:#fdecea;--radius:12px;
}
*{box-sizing:border-box}
html,body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.5 "Nunito Sans",system-ui,-apple-system,Segoe UI,sans-serif}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}
button,input,select,textarea{font:inherit;color:inherit}
code,pre,.mono{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:13px}

/* top nav */
.nav{background:#fff;border-bottom:1px solid var(--line-soft);position:sticky;top:0;z-index:20}
.nav-in{max-width:1360px;margin:0 auto;padding:0 32px;display:flex;align-items:center;height:64px;gap:8px}
.brand{font-weight:800;font-size:19px;margin-right:30px}
.nav a.tab{color:var(--muted);padding:0 16px;height:64px;display:flex;align-items:center;border-bottom:2px solid transparent;font-weight:600;text-decoration:none}
.nav a.tab.active{color:var(--ink);border-bottom-color:var(--brand)}
.user{margin-left:auto;display:flex;align-items:center;gap:8px;border:1px solid var(--line);border-radius:8px;padding:5px 12px 5px 6px;background:#fff;cursor:pointer;position:relative}
.avatar{width:28px;height:28px;border-radius:50%;background:var(--brand);color:#fff;font-weight:800;font-size:13px;display:grid;place-items:center}
.user-menu{position:absolute;right:0;top:44px;background:#fff;border:1px solid var(--line);border-radius:8px;box-shadow:0 8px 24px rgba(20,30,50,.12);min-width:150px;display:none}
.user-menu.open{display:block}
.user-menu button{display:block;width:100%;text-align:left;background:none;border:0;padding:10px 14px;cursor:pointer}
.user-menu button:hover{background:var(--bg)}

main{max-width:1360px;margin:0 auto;padding:34px 32px 80px}
h1.page{font-size:34px;margin:0 0 4px;font-weight:800}
.lead{color:var(--muted);margin:0 0 26px;font-size:17px}
.card{background:var(--card);border:1px solid var(--line-soft);border-radius:var(--radius);padding:28px 30px;margin-bottom:24px}
.card h2{font-size:23px;margin:0 0 6px;font-weight:800;display:flex;align-items:center;gap:10px}
.count{font-size:13px;font-weight:600;background:var(--bg);border:1px solid var(--line-soft);border-radius:99px;padding:1px 10px;color:var(--muted)}
.section-label{font-weight:800;letter-spacing:.06em;font-size:15px;margin:28px 0 14px;text-transform:uppercase}
hr.sep{border:0;border-top:1px solid var(--line-soft);margin:24px 0}

/* forms */
.grid{display:grid;gap:18px 22px}
.g2{grid-template-columns:1fr 1fr}.g3{grid-template-columns:repeat(3,1fr)}.g4{grid-template-columns:repeat(4,1fr)}
label.f{display:block;font-weight:600;margin-bottom:7px}
label.f small,.hint{font-weight:400;color:var(--muted)}
.hint{font-size:14px;margin-top:6px}
input[type=text],input[type=email],input[type=password],input[type=url],input[type=number],select,textarea{
  width:100%;border:1px solid var(--line);border-radius:8px;padding:11px 14px;background:#fff;outline:none;transition:border-color .15s,box-shadow .15s}
input:focus,select:focus,textarea:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(61,91,201,.15)}
textarea{min-height:110px;resize:vertical}
textarea.code{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:13px}
.url-row{display:grid;grid-template-columns:1fr auto 1.4fr auto 1fr;align-items:center;gap:8px}
.url-row .dot{color:var(--muted);font-weight:700}
.help{display:inline-grid;place-items:center;width:22px;height:22px;border:1.5px solid var(--ink);border-radius:50%;font-size:12px;font-weight:700;margin-left:6px;cursor:help;vertical-align:1px}

.btn{display:inline-flex;align-items:center;gap:8px;border:1px solid var(--line);background:#fff;border-radius:8px;padding:9px 16px;cursor:pointer;font-weight:600;white-space:nowrap}
.btn:hover{background:var(--bg)}
.btn.primary{background:var(--brand);border-color:var(--brand);color:#fff;padding:12px 22px}
.btn.primary:hover{background:var(--brand-dark)}
.btn.danger{color:var(--bad)}
.btn.sm{padding:6px 12px;font-size:14px}
.btn:disabled{opacity:.55;cursor:not-allowed}
.link{background:none;border:0;color:var(--brand);font-weight:600;cursor:pointer;padding:0}
.actions{display:flex;gap:8px;align-items:center;flex-wrap:wrap}

/* tables */
.table{width:100%;border-collapse:collapse}
.table thead th{background:#eef0f4;text-align:left;font-size:14px;letter-spacing:.05em;text-transform:uppercase;font-weight:700;color:#3c4659;padding:13px 14px}
.table thead th:first-child{border-radius:8px 0 0 8px}.table thead th:last-child{border-radius:0 8px 8px 0}
.table td{padding:16px 14px;border-bottom:1px solid var(--line-soft);vertical-align:top}
.table td.num{color:var(--muted);width:50px}
.page-title{font-weight:600;font-size:17px}
.page-url{color:var(--muted);font-size:14px;display:block;max-width:640px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.err{color:var(--bad);font-size:13px;margin-top:4px}
.pill{display:inline-flex;align-items:center;gap:7px;border-radius:99px;padding:3px 12px;font-size:14px;font-weight:600;background:var(--bg)}
.pill:before{content:"";width:8px;height:8px;border-radius:50%;background:currentColor}
.pill.live{background:var(--ok-soft);color:var(--ok)}
.pill.queued,.pill.generating{background:var(--warn-soft);color:var(--warn)}
.pill.failed{background:var(--bad-soft);color:var(--bad)}
.pill.paused,.pill.draft{background:#eef0f4;color:var(--muted)}
.pill.saved{background:var(--brand-soft);color:var(--brand)}
.pill.generating:before{animation:pulse 1s infinite}
@keyframes pulse{50%{opacity:.25}}
.tagcode{background:#f1f3f6;border:1px solid var(--line-soft);border-radius:5px;padding:3px 8px;display:inline-block;max-width:560px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;vertical-align:middle}
.empty{color:var(--muted);text-align:center;padding:30px}

/* templates */
.tpl-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:20px}
.tpl-card{border:1px solid var(--line-soft);border-radius:var(--radius);overflow:hidden;background:#fff;display:flex;flex-direction:column}
.tpl-thumb{height:260px;overflow:hidden;position:relative;background:var(--bg);border-bottom:1px solid var(--line-soft);cursor:pointer}
.tpl-thumb iframe{width:1280px;height:1040px;border:0;transform:scale(.25);transform-origin:0 0;pointer-events:none;position:absolute;left:0;top:0}
.tpl-body{padding:14px 16px;display:flex;flex-direction:column;gap:8px;flex:1}
.tpl-name{font-weight:700;font-size:17px;display:flex;align-items:center;gap:8px;justify-content:space-between}
.tpl-meta{color:var(--muted);font-size:14px}
.badge-default{font-size:12px;background:var(--ink);color:#fff;border-radius:99px;padding:1px 9px;font-weight:700}

.dropzone{border:2px dashed var(--line);border-radius:var(--radius);padding:26px;text-align:center;color:var(--muted);cursor:pointer;transition:.15s;background:#fafbfc}
.dropzone.over{border-color:var(--brand);background:var(--brand-soft)}
.thumbs{display:flex;gap:10px;flex-wrap:wrap;margin-top:12px}
.thumbs .th{position:relative;width:110px;height:80px;border-radius:8px;overflow:hidden;border:1px solid var(--line)}
.thumbs img{width:100%;height:100%;object-fit:cover;object-position:top}
.thumbs .x{position:absolute;top:3px;right:3px;width:22px;height:22px;border-radius:50%;border:0;background:rgba(0,0,0,.65);color:#fff;cursor:pointer;font-size:13px;line-height:1}

/* editor */
.editor{display:grid;grid-template-columns:minmax(0,1fr) 400px;gap:20px;align-items:start}
.editor-head{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:18px}
.editor-head input.title{font-size:24px;font-weight:800;border:1px solid transparent;background:transparent;padding:4px 8px;width:auto;min-width:280px}
.editor-head input.title:hover{border-color:var(--line)}
.preview-box{background:#fff;border:1px solid var(--line-soft);border-radius:var(--radius);overflow:hidden}
.preview-bar{display:flex;align-items:center;gap:8px;padding:10px 14px;border-bottom:1px solid var(--line-soft);background:#fafbfc}
.seg{display:inline-flex;border:1px solid var(--line);border-radius:8px;overflow:hidden}
.seg button{border:0;background:#fff;padding:6px 12px;cursor:pointer;font-weight:600;font-size:14px}
.seg button.on{background:var(--brand);color:#fff}
.frame-wrap{display:flex;justify-content:center;background:#e9ecf1;padding:0}
.frame-wrap iframe{border:0;width:100%;height:calc(100vh - 230px);min-height:600px;background:#fff;transition:width .2s}
.frame-wrap.mobile{padding:20px 0}
.frame-wrap.mobile iframe{width:390px;border-radius:18px;box-shadow:0 10px 30px rgba(0,0,0,.18)}
.side{display:flex;flex-direction:column;gap:16px;position:sticky;top:84px}
.side .card{padding:18px 20px;margin:0}
.side h3{margin:0 0 10px;font-size:16px}
.history{max-height:300px;overflow:auto;display:flex;flex-direction:column;gap:6px}
.hist{border:1px solid var(--line-soft);border-radius:8px;padding:8px 10px;font-size:14px;display:flex;justify-content:space-between;gap:8px;align-items:flex-start}
.hist.current{border-color:var(--brand);background:var(--brand-soft)}
.hist time{color:var(--muted);font-size:12px;display:block}
.chips{display:flex;flex-wrap:wrap;gap:6px;margin-top:8px}
.chip{border:1px solid var(--line);border-radius:99px;padding:3px 10px;font-size:13px;background:#fff;cursor:pointer}
.chip:hover{border-color:var(--brand);color:var(--brand)}

/* modal + toast + overlay */
.modal-bg{position:fixed;inset:0;background:rgba(15,23,42,.45);display:flex;align-items:flex-start;justify-content:center;padding:50px 16px;z-index:50;overflow:auto}
.modal{background:#fff;border-radius:14px;width:100%;max-width:760px;padding:26px 28px;box-shadow:0 20px 60px rgba(0,0,0,.25)}
.modal.wide{max-width:1200px}
.modal h3{margin:0 0 16px;font-size:21px}
.modal-foot{display:flex;justify-content:flex-end;gap:10px;margin-top:22px}
.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);background:#1f2a3c;color:#fff;padding:12px 20px;border-radius:10px;z-index:80;box-shadow:0 8px 24px rgba(0,0,0,.25);max-width:90vw}
.toast.bad{background:var(--bad)}
.busy{position:fixed;inset:0;background:rgba(255,255,255,.8);z-index:70;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;font-weight:600}
.spinner{width:38px;height:38px;border:4px solid var(--line);border-top-color:var(--brand);border-radius:50%;animation:spin 1s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.notice{background:var(--brand-soft);border-radius:10px;padding:14px 16px;font-size:15px}
.notice.warn{background:var(--warn-soft)}
.ok{color:var(--ok);font-weight:700}.no{color:var(--bad);font-weight:700}
.login{max-width:400px;margin:12vh auto}

@media (max-width:1000px){
  .editor{grid-template-columns:1fr}.side{position:static}
  .g3,.g4{grid-template-columns:1fr 1fr}
}
@media (max-width:700px){
  main{padding:22px 16px 60px}.nav-in{padding:0 12px}.brand{margin-right:8px;font-size:16px}
  .nav a.tab{padding:0 8px}.g2,.g3,.g4{grid-template-columns:1fr}
  .url-row{grid-template-columns:1fr}.url-row .dot{display:none}
  .card{padding:20px 16px}.table thead{display:none}.table td{display:block;border:0;padding:4px 0}.table tr{display:block;border-bottom:1px solid var(--line-soft);padding:12px 0}
}