:root{
  --bg:#10161d;
  --panel:#1a222b;
  --panel-2:#212b35;
  --border:#2b3742;
  --text:#eef1f4;
  --text-muted:#8b97a4;
  --accent:#d9a441;
  --accent-soft:rgba(217,164,65,.14);
  --accent-dim:#b8863a;
  --danger:#c1614b;
  --success:#6fa98a;
}
*{box-sizing:border-box;}
html,body{margin:0;padding:0;}
body{
  background:var(--bg);
  color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  min-height:100vh;
  display:flex;
  flex-direction:column;
  background-image:
    radial-gradient(circle at 15% 10%, rgba(217,164,65,.05), transparent 40%),
    radial-gradient(circle at 85% 90%, rgba(217,164,65,.04), transparent 40%);
}
button{font-family:inherit;cursor:pointer;}
input, textarea{font-family:inherit;}
code{background:var(--panel-2);padding:2px 5px;border-radius:4px;font-size:12px;}

/* Gate */
#gate{flex:1;display:flex;align-items:center;justify-content:center;padding:24px;}
.gate-card{width:100%;max-width:380px;background:var(--panel);border:1px solid var(--border);border-radius:16px;padding:36px 32px 28px;position:relative;overflow:hidden;}
.gate-rings{position:absolute;top:-90px;right:-90px;width:220px;height:220px;border-radius:50%;border:1px solid var(--border);opacity:.5;}
.gate-mark{width:44px;height:44px;border-radius:50%;background:var(--accent-soft);display:flex;align-items:center;justify-content:center;margin-bottom:20px;font-size:18px;}
.gate-title{font-size:22px;font-weight:600;margin:0 0 4px;}
.gate-sub{color:var(--text-muted);font-size:14px;margin:0 0 26px;line-height:1.5;}
.field{margin-bottom:14px;}
.field label{display:block;font-size:12.5px;color:var(--text-muted);margin-bottom:6px;}
.field input{width:100%;background:var(--panel-2);border:1px solid var(--border);color:var(--text);padding:11px 12px;border-radius:8px;font-size:14.5px;outline:none;}
.field input:focus{border-color:var(--accent-dim);}
.btn{border:none;border-radius:8px;padding:11px 18px;font-size:14.5px;font-weight:600;}
.btn-primary{background:var(--accent);color:#1a1206;width:100%;}
.btn-primary:hover{filter:brightness(1.08);}
.gate-error{color:var(--danger);font-size:13px;margin:-4px 0 14px;}
.gate-note{font-size:11.5px;color:var(--text-muted);margin-top:18px;line-height:1.5;border-top:1px solid var(--border);padding-top:14px;}

/* App shell */
#app{display:flex;flex:1;flex-direction:column;}
header{display:flex;align-items:center;justify-content:space-between;padding:18px 28px;border-bottom:1px solid var(--border);}
.header-left{display:flex;align-items:center;gap:12px;}
.header-mark{width:34px;height:34px;border-radius:9px;background:var(--accent-soft);display:flex;align-items:center;justify-content:center;}
header h1{font-size:17px;margin:0;font-weight:600;}
.lock-btn{background:transparent;border:1px solid var(--border);color:var(--text-muted);border-radius:8px;padding:8px 12px;font-size:13px;display:flex;align-items:center;gap:6px;text-decoration:none;}
.lock-btn:hover{border-color:var(--accent-dim);color:var(--text);}
.tabs{display:flex;gap:4px;padding:0 28px;border-bottom:1px solid var(--border);}
.tab{background:transparent;border:none;color:var(--text-muted);padding:14px 6px;margin-right:22px;font-size:14.5px;font-weight:500;border-bottom:2px solid transparent;}
.tab.active{color:var(--text);border-bottom-color:var(--accent);}
main{flex:1;padding:26px 28px 60px;max-width:920px;width:100%;margin:0 auto;}
.panel-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.panel-header h2{font-size:16px;margin:0;font-weight:600;}
.panel-header p{margin:2px 0 0;font-size:13px;color:var(--text-muted);}
.btn-accent{background:var(--accent);color:#1a1206;display:flex;align-items:center;gap:6px;}
.btn-accent:hover{filter:brightness(1.08);}
.btn-ghost{background:transparent;border:1px solid var(--border);color:var(--text);}
.btn-ghost:hover{border-color:var(--accent-dim);}
.empty{border:1px dashed var(--border);border-radius:12px;padding:44px 20px;text-align:center;color:var(--text-muted);font-size:13.5px;}
.empty strong{color:var(--text);display:block;font-size:15px;margin-bottom:6px;font-weight:600;}
.row{display:flex;align-items:center;gap:12px;background:var(--panel);border:1px solid var(--border);border-radius:10px;padding:12px 14px;margin-bottom:8px;}
.row.dragover{border-color:var(--accent-dim);}
.drag-handle{color:var(--text-muted);cursor:grab;flex-shrink:0;line-height:0;}
.row-icon{width:34px;height:34px;border-radius:8px;background:var(--panel-2);display:flex;align-items:center;justify-content:center;flex-shrink:0;}
.row-info{flex:1;min-width:0;}
.row-name{font-size:14px;font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.row-meta{font-size:12px;color:var(--text-muted);margin-top:2px;}
.row-actions{display:flex;gap:6px;flex-shrink:0;}
.icon-btn{width:32px;height:32px;border-radius:7px;border:1px solid var(--border);background:transparent;color:var(--text-muted);display:flex;align-items:center;justify-content:center;}
.icon-btn:hover{color:var(--text);border-color:var(--accent-dim);}
.icon-btn.danger:hover{color:var(--danger);border-color:var(--danger);}

/* Modal */
.modal-overlay{display:none;position:fixed;inset:0;background:rgba(8,11,15,.7);align-items:center;justify-content:center;z-index:50;padding:20px;}
.modal-overlay.open{display:flex;}
.modal{background:var(--panel);border:1px solid var(--border);border-radius:14px;width:100%;max-width:560px;max-height:88vh;display:flex;flex-direction:column;overflow:hidden;}
.modal.wide{max-width:820px;}
.modal-head{display:flex;align-items:center;justify-content:space-between;padding:18px 20px;border-bottom:1px solid var(--border);}
.modal-head h3{margin:0;font-size:15.5px;font-weight:600;}
.modal-body{padding:20px;overflow-y:auto;}
.modal-foot{padding:16px 20px;border-top:1px solid var(--border);display:flex;justify-content:flex-end;gap:10px;}
textarea{width:100%;min-height:220px;background:var(--panel-2);border:1px solid var(--border);color:var(--text);border-radius:8px;padding:12px;font-size:12.5px;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;resize:vertical;outline:none;line-height:1.5;}
textarea:focus{border-color:var(--accent-dim);}
.file-drop{border:1px dashed var(--border);border-radius:10px;padding:20px;text-align:center;font-size:13px;color:var(--text-muted);margin-bottom:14px;cursor:pointer;}
.file-drop:hover{border-color:var(--accent-dim);}
.or-divider{display:flex;align-items:center;gap:10px;color:var(--text-muted);font-size:11.5px;margin:16px 0;}
.or-divider::before,.or-divider::after{content:'';flex:1;height:1px;background:var(--border);}
.preview-frame{width:100%;height:60vh;border:1px solid var(--border);border-radius:8px;background:#fff;}
.toast{position:fixed;bottom:22px;left:50%;transform:translateX(-50%) translateY(20px);background:var(--panel-2);border:1px solid var(--border);color:var(--text);padding:11px 18px;border-radius:9px;font-size:13.5px;opacity:0;transition:opacity .2s, transform .2s;z-index:100;pointer-events:none;}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0);}
.storage-note{font-size:12px;color:var(--text-muted);margin-top:16px;}

.folder-bar{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:16px;}
.folder-chip{background:var(--panel-2);border:1px solid var(--border);color:var(--text-muted);border-radius:999px;padding:6px 14px;font-size:12.5px;white-space:nowrap;display:flex;align-items:center;gap:6px;}
.folder-chip.active{background:var(--accent-soft);border-color:var(--accent-dim);color:var(--text);}
.folder-badge{font-size:11px;color:var(--text-muted);background:var(--panel-2);border:1px solid var(--border);border-radius:5px;padding:1px 7px;margin-left:8px;white-space:nowrap;}
.folder-row{display:flex;align-items:center;gap:10px;background:var(--panel);border:1px solid var(--border);border-radius:9px;padding:10px 12px;margin-bottom:7px;}
.folder-row .folder-name{flex:1;font-size:14px;}
.select-field{width:100%;background:var(--panel-2);border:1px solid var(--border);color:var(--text);padding:10px 12px;border-radius:8px;font-size:14px;outline:none;}
.select-field:focus{border-color:var(--accent-dim);}
.seg-control{display:flex;border:1px solid var(--border);border-radius:8px;overflow:hidden;}
.seg-btn{flex:1;background:var(--panel-2);border:none;color:var(--text-muted);padding:9px 10px;font-size:13px;border-right:1px solid var(--border);}
.seg-btn:last-child{border-right:none;}
.seg-btn.active{background:var(--accent-soft);color:var(--text);}
.field-hint{font-size:11.5px;color:var(--text-muted);margin-top:6px;line-height:1.4;}
.visibility-badge{font-size:11px;border-radius:5px;padding:1px 7px;margin-left:8px;white-space:nowrap;}
.visibility-badge.public{color:var(--success);background:rgba(111,169,138,.14);border:1px solid rgba(111,169,138,.4);}
.visibility-badge.private{color:var(--text-muted);background:var(--panel-2);border:1px solid var(--border);}
@media(max-width:560px){
  header{padding:14px 16px;}
  main{padding:20px 16px 50px;}
  .tabs{padding:0 16px;}
  .row-meta{display:none;}
}