:root{
  --ink:#0e1420;--ink-2:#151d2e;--panel:#ffffff;--canvas:#f2f4f8;
  --line:#e4e8f0;--text:#1b2333;--muted:#68738a;
  --accent:#ff7a59;--accent-deep:#e8542f;--accent-soft:#fff1ec;
  --ok:#16a34a;--err:#dc2626;--warn-bg:#fff7ed;--warn-line:#fdba74;
  --radius:12px;--shadow:0 8px 28px rgba(14,20,32,.09);
  --font-head:'Sora',sans-serif;--font-body:'Inter',system-ui,sans-serif;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{font-family:var(--font-body);color:var(--text);background:var(--canvas);font-size:15px;line-height:1.55;min-height:100vh}
body.locked{overflow:hidden}
h1,h2,h3,h4{font-family:var(--font-head);margin:0}
code{background:#eef1f6;padding:1px 5px;border-radius:4px;font-size:.85em}
.hidden{display:none!important}
.muted{color:var(--muted)}
.small{font-size:13px}

/* ---------- Banner ---------- */
#banner-root{position:sticky;top:0;z-index:60}
.banner{display:flex;align-items:center;gap:10px;padding:10px 20px;font-size:13.5px;background:var(--warn-bg);border-bottom:1px solid var(--warn-line);color:#7c2d12}
.banner.error{background:#fef2f2;border-color:#fca5a5;color:#7f1d1d}
.banner-dot{width:8px;height:8px;border-radius:50%;background:#f97316;flex:none;animation:pulse 1.6s infinite}
@keyframes pulse{50%{opacity:.35}}
.banner-msg{flex:1}
.banner-x{background:none;border:0;cursor:pointer;font-size:14px;color:inherit;opacity:.6}
.banner-x:hover{opacity:1}

/* ---------- Topbar ---------- */
.topbar{position:sticky;top:0;z-index:50;display:flex;align-items:center;gap:28px;height:66px;padding:0 24px;background:rgba(14,20,32,.92);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid rgba(255,255,255,.07)}
.brand{display:flex;align-items:baseline;gap:8px;font-family:var(--font-head);font-weight:800;font-size:19px;color:#fff;text-decoration:none;letter-spacing:-.02em}
.brand em{font-style:normal;color:var(--accent)}
.brand-mark{display:inline-flex;align-items:center;justify-content:center;width:30px;height:30px;border-radius:8px;background:linear-gradient(135deg,var(--accent),var(--accent-deep));font-size:15px;transform:translateY(4px)}
.brand-sub{font-family:var(--font-body);font-weight:500;font-size:11px;color:#7d8aa5;letter-spacing:.04em;text-transform:uppercase}
.topnav{display:flex;gap:4px;flex:1}
.topnav a{color:#aeb8cc;text-decoration:none;font-weight:500;font-size:14px;padding:7px 14px;border-radius:8px;transition:all .18s}
.topnav a:hover{color:#fff;background:rgba(255,255,255,.07)}
.topnav a.active{color:#fff;background:rgba(255,122,89,.16);box-shadow:inset 0 0 0 1px rgba(255,122,89,.35)}
.top-actions{display:flex;align-items:center;gap:12px}
.user-email{color:#7d8aa5;font-size:13px}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;font-family:var(--font-body);font-weight:600;font-size:14px;padding:10px 18px;border-radius:9px;border:1px solid transparent;cursor:pointer;text-decoration:none;transition:all .18s;white-space:nowrap}
.btn:active{transform:translateY(1px)}
.btn:disabled{opacity:.55;cursor:default}
.btn-accent{background:linear-gradient(135deg,var(--accent),var(--accent-deep));color:#fff;box-shadow:0 4px 14px rgba(232,84,47,.32)}
.btn-accent:hover{filter:brightness(1.06)}
.btn-ghost{background:transparent;color:inherit;border-color:var(--line)}
.topbar .btn-ghost{color:#c6cfdf;border-color:rgba(255,255,255,.18)}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent-deep)}
.topbar .btn-ghost:hover{color:#fff;border-color:rgba(255,255,255,.45)}
.btn-danger{background:transparent;color:var(--err);border-color:#fecaca}
.btn-danger:hover{background:#fef2f2}
.btn-sm{padding:6px 12px;font-size:13px}
.btn-block{width:100%}
.file-btn{position:relative;overflow:hidden}
.icon-btn{background:none;border:0;cursor:pointer;font-size:15px;color:var(--muted);padding:4px}
.link-btn{background:none;border:0;color:var(--accent-deep);cursor:pointer;font-size:13.5px;font-weight:600;margin-top:14px}

/* ---------- Page shells ---------- */
.page{max-width:1240px;margin:0 auto;padding:36px 24px 80px}
.page-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px;flex-wrap:wrap}
.page-head h1{font-size:30px;font-weight:800;letter-spacing:-.02em}
.page-head .sub{margin:6px 0 0;color:var(--muted);max-width:560px}
.head-actions{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.loading{color:var(--muted);padding:48px;text-align:center}
.empty{background:var(--panel);border:1px dashed var(--line);border-radius:var(--radius);padding:56px 32px;text-align:center;color:var(--muted);grid-column:1/-1}
.empty h3{margin:10px 0 8px;color:var(--text)}
.empty p{max-width:440px;margin:0 auto 18px}
.empty-art{font-size:38px;opacity:.5}
.empty.small{padding:20px;font-size:13px;border-style:solid}

/* ---------- Templates grid ---------- */
.card-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:22px}
.tcard{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:all .2s;position:relative}
.tcard:hover{box-shadow:var(--shadow);transform:translateY(-3px);border-color:#d3dae6}
.thumb{height:170px;background:#f6f8fb;overflow:hidden;border-bottom:1px solid var(--line)}
.thumb img{width:100%;height:100%;object-fit:cover;object-position:top}
.thumb-ph{display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#1b2740,#0e1420)}
.thumb-ph span{font-family:var(--font-head);font-size:52px;font-weight:800;color:var(--accent);opacity:.85}
.tcard-body{padding:16px 18px 18px}
.tcard-body h3{font-size:16.5px;margin-bottom:2px}
.tcard-body .muted{font-size:12.5px;margin:0 0 12px}
.tcard-actions{display:flex;gap:7px;flex-wrap:wrap}

/* ---------- Workbench (builder + composer) ---------- */
.workbench{display:flex;flex-direction:column;height:calc(100vh - 66px)}
.wb-toolbar{display:flex;align-items:center;gap:12px;padding:12px 20px;background:var(--panel);border-bottom:1px solid var(--line);flex-wrap:wrap}
.name-input{font-family:var(--font-head);font-weight:700;font-size:17px;border:1px solid transparent;background:transparent;padding:7px 10px;border-radius:8px;min-width:230px;color:var(--text)}
.name-input:hover,.name-input:focus{border-color:var(--line);background:#fafbfd;outline:none}
.spacer-flex{flex:1}
.status-chip{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;color:var(--muted);background:#f2f4f8;border:1px solid var(--line);padding:5px 12px;border-radius:999px}
.spin{width:12px;height:12px;border:2px solid #cbd5e1;border-top-color:var(--accent);border-radius:50%;animation:rot .7s linear infinite;display:inline-block}
@keyframes rot{to{transform:rotate(360deg)}}

.wb-body{display:grid;grid-template-columns:378px 1fr;flex:1;min-height:0}
.wb-left{overflow-y:auto;border-right:1px solid var(--line);background:var(--panel);padding:16px;display:flex;flex-direction:column;gap:16px}
.wb-left h4{font-size:13px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);margin-bottom:10px;display:flex;align-items:center;gap:8px}

.mock-pane .mock-view{border:1px solid var(--line);border-radius:10px;overflow:auto;max-height:250px;background:#f6f8fb}
.mock-view img{width:100%;display:block}
.mock-empty{padding:22px;font-size:13px;color:var(--muted)}
.mock-file{display:flex;align-items:center;gap:10px;padding:18px;font-size:13.5px;font-weight:500}
.mock-ext{background:var(--ink);color:#fff;font-size:11px;font-weight:700;padding:3px 8px;border-radius:6px}

.blocks-head{display:flex;align-items:center;justify-content:space-between;gap:10px}
.blocks-head h4{margin-bottom:0}
.mini-select,.full-select{font-family:var(--font-body);font-size:13px;padding:7px 10px;border:1px solid var(--line);border-radius:8px;background:#fff;color:var(--text)}
.full-select{width:100%;padding:10px}
.block-list{display:flex;flex-direction:column;gap:6px;margin-top:12px}
.block-item{display:flex;align-items:center;gap:10px;padding:9px 10px;border:1px solid var(--line);border-radius:9px;cursor:pointer;background:#fff;transition:all .15s}
.block-item:hover{border-color:#c9d3e2}
.block-item.sel{border-color:var(--accent);background:var(--accent-soft);box-shadow:0 0 0 1px var(--accent)}
.block-grip{color:#c3cbda;font-size:11px;letter-spacing:-2px;cursor:grab}
.block-info{flex:1;min-width:0}
.block-info strong{font-size:13.5px;display:block}
.block-info small{color:var(--muted);font-size:11.5px;display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.block-btns{display:flex;gap:2px}
.block-btns button{background:none;border:0;cursor:pointer;color:var(--muted);font-size:13px;padding:3px 5px;border-radius:5px}
.block-btns button:hover{background:#eef1f6;color:var(--text)}

.editor{margin-top:16px;padding-top:16px;border-top:1px solid var(--line)}
.fld{display:block;margin-bottom:12px;font-size:12.5px;font-weight:600;color:var(--muted)}
.fld-label{display:block;margin-bottom:5px}
.fld input[type=text],.fld input[type=number],.fld textarea,.fld select{display:block;width:100%;margin-top:5px;padding:9px 11px;border:1px solid var(--line);border-radius:8px;font-family:var(--font-body);font-size:13.5px;color:var(--text);background:#fff}
.fld input:focus,.fld textarea:focus,.fld select:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(255,122,89,.15)}
.fld textarea{resize:vertical}
.fld-color .color-wrap{display:flex;align-items:center;gap:10px;margin-top:5px}
.fld input[type=color]{width:44px;height:32px;padding:2px;border:1px solid var(--line);border-radius:7px;background:#fff;cursor:pointer}
.img-slot{display:flex;align-items:center;gap:12px;border:1px solid var(--line);border-radius:9px;padding:8px}
.img-slot img{width:72px;height:48px;object-fit:cover;border-radius:6px;background:#f2f4f8}
.img-none{color:var(--muted);font-size:12px;padding:14px 10px}
.img-slot-btns{display:flex;gap:6px;flex-wrap:wrap}
.row-2{display:grid;grid-template-columns:1fr 1fr;gap:12px}

.review-pane{border:1px solid var(--warn-line);background:var(--warn-bg);border-radius:10px;padding:14px}
.review-pane h4{color:#9a3412}
.review-item{background:#fff;border:1px solid var(--line);border-radius:9px;padding:10px;margin-top:10px}
.review-item pre{margin:0 0 8px;font-size:11px;max-height:110px;overflow:auto;background:#f6f8fb;padding:8px;border-radius:6px;white-space:pre-wrap;word-break:break-all}
.review-extract{font-size:12.5px;margin-bottom:8px;white-space:pre-wrap}
.review-actions{display:flex;gap:8px;align-items:center}
.review-actions select{font-size:12.5px;padding:6px 8px;border:1px solid var(--line);border-radius:7px}

/* ---------- Preview pane ---------- */
.wb-preview{display:flex;flex-direction:column;min-width:0;background:radial-gradient(1200px 500px at 60% -10%,#e6ebf4,var(--canvas))}
.preview-bar{display:flex;justify-content:center;padding:14px}
.seg{display:inline-flex;background:#fff;border:1px solid var(--line);border-radius:10px;padding:3px;gap:3px}
.seg-btn{border:0;background:transparent;font-family:var(--font-body);font-weight:600;font-size:12.5px;color:var(--muted);padding:7px 15px;border-radius:8px;cursor:pointer;transition:all .18s}
.seg-btn.active{background:var(--ink);color:#fff}
.iframe-wrap{flex:1;display:flex;justify-content:center;padding:0 20px 24px;overflow:auto}
.iframe-wrap iframe{width:640px;max-width:100%;height:100%;min-height:480px;border:1px solid var(--line);border-radius:12px;background:#eef0f4;box-shadow:var(--shadow);transition:width .35s cubic-bezier(.4,0,.2,1)}

/* ---------- Composer steps ---------- */
.step-card{border:1px solid var(--line);border-radius:10px;padding:14px}
.step-card h4{margin-bottom:10px}
.step-n{display:inline-flex;align-items:center;justify-content:center;width:20px;height:20px;border-radius:50%;background:var(--ink);color:#fff;font-size:11px;font-family:var(--font-body)}
.step-card h4 small{text-transform:none;letter-spacing:0;font-weight:500}
#mapping h5{font-family:var(--font-head);font-size:12px;text-transform:uppercase;letter-spacing:.05em;color:var(--muted);margin:14px 0 8px}
.map-row{margin-bottom:12px}
.map-row label{font-size:12px;font-weight:600;color:var(--muted);display:block}
.map-row select{display:block;width:100%;margin-top:4px;padding:8px 10px;border:1px solid var(--line);border-radius:8px;font-size:13px;background:#fff}
.map-preview{margin-top:6px;font-size:12px;background:#f6f8fb;border:1px solid var(--line);border-radius:7px;padding:8px 10px;white-space:pre-wrap;max-height:90px;overflow:auto}
.map-thumb img{margin-top:6px;max-width:100%;max-height:90px;border-radius:7px;border:1px solid var(--line)}

/* ---------- Image library ---------- */
.img-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:20px}
.img-card{margin:0;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:all .2s}
.img-card:hover{box-shadow:var(--shadow);transform:translateY(-2px)}
.img-card-pic{position:relative;height:150px;background:#f2f4f8}
.img-card-pic img{width:100%;height:100%;object-fit:cover;display:block}
.src-badge{position:absolute;top:10px;left:10px;z-index:1;font-size:10.5px;font-weight:700;text-transform:uppercase;letter-spacing:.05em;padding:3px 9px;border-radius:999px;color:#fff}
.src-badge.ext{background:#0f766e}
.src-badge.gen{background:var(--accent-deep)}
.img-card figcaption{padding:12px 14px 14px}
.img-meta{display:flex;align-items:baseline;gap:8px;margin-bottom:6px}
.img-meta small{color:var(--muted);font-size:11px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.img-prompt{font-size:12px;color:var(--muted);margin:0 0 10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}

/* ---------- Modal ---------- */
.modal-back{position:fixed;inset:0;z-index:100;background:rgba(14,20,32,.55);backdrop-filter:blur(3px);display:flex;align-items:center;justify-content:center;padding:20px;animation:fade .18s}
@keyframes fade{from{opacity:0}}
.modal{background:#fff;border-radius:16px;width:100%;max-width:480px;max-height:86vh;overflow-y:auto;padding:22px 24px;box-shadow:0 24px 70px rgba(14,20,32,.35);animation:pop .22s cubic-bezier(.3,1.4,.6,1)}
@keyframes pop{from{transform:scale(.94);opacity:0}}
.modal-wide{max-width:640px}
.modal-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}
.modal-head h2{font-size:19px}
.tabs{display:flex;gap:4px;border-bottom:1px solid var(--line);margin-bottom:16px}
.tab{border:0;background:none;font-family:var(--font-body);font-weight:600;font-size:13.5px;color:var(--muted);padding:9px 14px;cursor:pointer;border-bottom:2px solid transparent;margin-bottom:-1px}
.tab.active{color:var(--accent-deep);border-bottom-color:var(--accent)}
.pick-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:12px;max-height:340px;overflow-y:auto}
.pick-item{border:2px solid var(--line);border-radius:10px;overflow:hidden;background:#fff;cursor:pointer;padding:0;text-align:left;transition:all .15s}
.pick-item:hover{border-color:var(--accent)}
.pick-item img{width:100%;height:90px;object-fit:cover;display:block}
.pick-meta{display:block;font-size:11px;color:var(--muted);padding:6px 8px}
.dropzone{display:flex;flex-direction:column;align-items:center;gap:5px;border:2px dashed var(--line);border-radius:12px;padding:38px 20px;cursor:pointer;text-align:center;color:var(--muted);transition:all .18s}
.dropzone:hover{border-color:var(--accent);background:var(--accent-soft)}
.dropzone strong{color:var(--text)}

/* ---------- Toasts ---------- */
#toast-root{position:fixed;bottom:22px;right:22px;z-index:120;display:flex;flex-direction:column;gap:10px}
.toast{background:var(--ink);color:#fff;padding:12px 18px;border-radius:10px;font-size:13.5px;max-width:380px;box-shadow:0 10px 30px rgba(14,20,32,.4);opacity:0;transform:translateY(12px);transition:all .3s}
.toast.show{opacity:1;transform:none}
.toast.err{background:#7f1d1d}

/* ---------- Login ---------- */
.login{position:fixed;inset:0;z-index:200;display:flex;align-items:center;justify-content:center;background:linear-gradient(150deg,#0e1420 0%,#182238 60%,#241a24 100%);padding:20px}
.login-deco{position:absolute;inset:0;z-index:0;background:radial-gradient(560px 380px at 82% 18%,rgba(255,122,89,.22),transparent 65%),radial-gradient(500px 340px at 12% 85%,rgba(90,120,255,.14),transparent 60%)}
.login-card{position:relative;z-index:1;background:#fff;border-radius:18px;padding:38px 36px;width:100%;max-width:400px;box-shadow:0 30px 90px rgba(0,0,0,.45)}
.login-logo{font-family:var(--font-head);font-weight:800;font-size:22px;display:flex;align-items:baseline;gap:8px;margin-bottom:22px}
.login-logo em{font-style:normal;color:var(--accent)}
.login-card h1{font-size:24px;margin-bottom:6px}
.login-sub{color:var(--muted);font-size:13.5px;margin:0 0 22px}
.login-card label{display:block;font-size:12.5px;font-weight:600;color:var(--muted);margin-bottom:14px}
.login-card input{display:block;width:100%;margin-top:5px;padding:11px 13px;border:1px solid var(--line);border-radius:9px;font-family:var(--font-body);font-size:14.5px}
.login-card input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(255,122,89,.15)}
.form-error{color:var(--err);font-size:13px;margin-bottom:12px;background:#fef2f2;border:1px solid #fecaca;border-radius:8px;padding:9px 12px}

/* ---------- Responsive ---------- */
@media (max-width:1020px){
  .wb-body{grid-template-columns:1fr;overflow-y:auto}
  .wb-left{border-right:0;border-bottom:1px solid var(--line);max-height:none;overflow:visible}
  .workbench{height:auto}
  .iframe-wrap iframe{height:70vh}
}
@media (max-width:720px){
  .topbar{gap:12px;padding:0 14px;height:60px;overflow-x:auto}
  .brand-sub,.user-email{display:none}
  .topnav a{padding:6px 9px;font-size:13px}
  .page{padding:24px 16px 60px}
  .page-head h1{font-size:24px}
  .row-2{grid-template-columns:1fr}
}