/* Guided start flow at /start/. Everything is scoped to html.flow-on so the editor is untouched. */
.flow{display:none}
html.flow-on body{overflow:hidden}
html.flow-on .flow{position:fixed;inset:var(--flow-top,84px) 0 0;z-index:40;display:flex;flex-direction:column;background:var(--bg);color:var(--ink)}
html.flow-on #toast{z-index:70;bottom:100px}
html.flow-on.m-editor .m-sheet:not([hidden]){position:fixed;left:0;right:0;bottom:0;z-index:50}

.flow-steps{display:flex;align-self:flex-start;align-items:center;gap:4px;list-style:none;margin:26px 26px 0;padding:4px;border:1px solid var(--line);border-radius:999px;background:#ffffff05}
.flow-steps li{display:flex;align-items:center;color:var(--muted);font-size:13px}
.flow-steps button{display:flex;align-items:center;gap:9px;min-height:0;padding:5px 14px 5px 5px;border:0;border-radius:999px;background:none;color:inherit;font:inherit;cursor:pointer;transition:background .15s,color .15s}
.flow-steps button:hover{background:#ffffff0d;color:var(--ink)}
.flow-steps button:focus-visible{outline:2px solid var(--acid);outline-offset:1px}
.flow-steps li[aria-current] button{cursor:default;background:none}
.flow-steps li+li::before{content:'';width:22px;height:1px;background:var(--line);margin:0 6px 0 -10px}
.flow-steps span{display:grid;place-items:center;width:24px;height:24px;border-radius:50%;border:1px solid var(--line);font-size:11px;font-weight:700}
.flow-steps b{font-weight:500}
.flow-steps li[aria-current]{color:var(--ink)}
.flow-steps li[aria-current] span{background:var(--acid);border-color:var(--acid);color:#1b2213}
.flow-steps li.done span{border-color:#8aa83c;color:var(--acid)}
html.flow-on :is(.tour-tip,.tour-ring,.tour-focus){display:none!important}

/* Simple / Advanced toggle, in both the flow header and the editor header. */
.mode-switch{display:inline-flex;flex:none;padding:3px;gap:2px;border:1px solid var(--line);border-radius:999px;background:#ffffff05}
.mode-switch button{padding:7px 14px;border:0;border-radius:999px;background:none;color:var(--muted);font-size:13px;white-space:nowrap;cursor:pointer}
.mode-switch button:hover{color:var(--ink)}
.mode-switch [aria-pressed=true]{background:#ffffff14;color:var(--ink)}
header .mode-switch{margin-left:auto}
header .mode-switch+.header-actions{margin-left:0}
.flow-history{position:absolute;top:16px;right:16px;z-index:2;display:flex;gap:8px}
html.flow-on header .m-undo,html.flow-on header .m-redo{display:none}
.flow-undo{display:inline-flex;align-items:center;gap:7px;padding:8px 14px 8px 11px;border:1px solid var(--line);border-radius:999px;background:#17191bcc;color:var(--ink);font-size:13px;backdrop-filter:blur(8px);animation:flow-pop .18s ease}
.flow-undo:hover{background:#232628}
.flow-undo[hidden]{display:none}
@keyframes flow-pop{from{opacity:0;transform:scale(.92)}}
.flow-tip{position:absolute;top:0;left:0;z-index:2;padding:6px 11px;border-radius:7px;background:#f2f3ed;color:#17191b;font-size:12.5px;font-weight:500;white-space:nowrap;pointer-events:none;box-shadow:0 6px 18px #0006}
.flow-tip[hidden]{display:none}
.flow-tip.pinned{top:auto;bottom:16px;left:50%;transform:translateX(-50%)!important}

.flow-body{flex:1;min-height:0;display:grid;grid-template-columns:minmax(0,1fr) 400px}
.flow-stage{position:relative;min-height:0;overflow:hidden}
html.flow-on .flow-stage #viewport{position:absolute;inset:0;height:auto!important;min-height:0!important;flex:none;border:0}
html.flow-on .flow-stage :is(.view-label,.view-tip,.m-3d-expand){display:none!important}

.flow-panel{display:flex;flex-direction:column;min-height:0;overflow:auto;background:var(--panel);border-left:1px solid var(--line)}
.flow-step{display:none;padding:22px 26px 12px}
.flow[data-step="1"] .flow-step[data-step="1"],.flow[data-step="2"] .flow-step[data-step="2"],.flow[data-step="3"] .flow-step[data-step="3"]{display:block}
.flow h1{margin:0 0 8px;font-size:26px;font-weight:600;letter-spacing:-.02em;line-height:1.15}
.flow-lede{margin:0 0 20px;color:var(--muted);line-height:1.55}
.flow-sub{margin:28px 0 10px;font-size:13px;font-weight:600}
.flow-nav{position:sticky;bottom:0;margin-top:auto;display:flex;align-items:center;gap:10px;padding:16px 26px calc(16px + env(safe-area-inset-bottom));border-top:1px solid var(--line);background:var(--panel)}
.flow-nav-end{display:flex;gap:10px;margin-left:auto}
.flow-nav button{padding:12px 18px;font-size:14px;border-radius:9px}
.flow-nav .flow-next{min-width:140px}
.flow-nav button:disabled{opacity:.45;cursor:default}
.flow-back{background:none;border:1px solid var(--line);color:var(--ink)}
.flow-back:hover{background:#ffffff0d}

/* Step 1: the models are a list in the side panel, like the panels in step 2. */
.flow-models{display:grid;gap:8px}
.flow-models button{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:13px 15px;border:1px solid var(--line);border-radius:10px;background:#ffffff05;color:var(--muted);text-align:left}
.flow-models button:hover{background:#ffffff0d}
.flow-models b{font-size:14px;font-weight:600;color:var(--ink)}
.flow-models span{font-size:12.5px}
.flow-models [aria-selected=true]{border-color:#8aa83c;background:#c7f75f15}
.flow-models [aria-selected=true] :is(b,span){color:var(--acid)}

/* Step 2 */
.flow-empty{display:grid;justify-items:center;gap:10px;padding:26px 18px;border:1.5px dashed #3a4144;border-radius:12px;text-align:center}
.flow-empty small{color:var(--muted);font-size:12px}
.flow-upload-button{min-width:180px}
.flow-adjust{padding:16px 16px 14px;border:1px solid var(--line);border-radius:12px;background:#ffffff05}
.flow-adjust[hidden],.flow-empty[hidden]{display:none}
.flow-adjust .range-label{display:flex;justify-content:space-between;font-size:13px}
.flow-adjust .range-label output{color:var(--muted)}
.flow-adjust input[type=range]{width:100%;margin:8px 0 16px}
.flow-row{display:flex;gap:8px}
.flow-row button{flex:1;padding:10px;font-size:13px}
.flow-delete{color:#ff9b8f}
.flow-fit{margin-bottom:14px}
.flow-fit[hidden]{display:none}
.flow-fit [aria-pressed=true]{border-color:#8aa83c;background:#c7f75f15;color:var(--acid)}
.flow-panels{display:flex;flex-wrap:wrap;gap:6px}
.flow-panels button{display:inline-flex;align-items:center;gap:7px;padding:8px 13px;border-radius:999px;border:1px solid var(--line);background:#ffffff05;font-size:12.5px;color:var(--ink)}
.flow-panels button:hover{background:#ffffff0d}
.flow-panels [aria-pressed=true]{border-color:#8aa83c;background:#c7f75f15;color:var(--acid)}
.flow-panels .flow-whole{flex-basis:100%;justify-content:center;padding:10px 13px;font-weight:600}
.flow-panels .has-image::before{content:'';width:7px;height:7px;border-radius:50%;background:var(--acid)}

/* Step 3 reuses the editor's base colour controls. */
.flow-base .base-controls{display:block!important;margin:0;padding:0;border:0;background:none}
.flow-base .base-controls>:is(.section-head,.control-help),.flow-base #editBaseGradient{display:none!important}
.flow-dir{margin-top:14px}.flow-dir[hidden],.flow-pad-wrap[hidden]{display:none}
.flow-dir-toggle{width:100%;padding:10px;border:1px solid var(--line);border-radius:9px;background:#ffffff05;color:var(--ink);font-size:13px}
.flow-dir-toggle:hover{background:#ffffff0d}
.flow-dir-toggle[aria-pressed=true]{border-color:#8aa83c;color:var(--acid);background:#c7f75f12}
.flow-pad-wrap{margin-top:10px}
.flow-pad{display:block;width:100%;border-radius:10px;touch-action:none}
.flow-pad-help{margin:8px 0 0;color:var(--muted);font-size:12px;line-height:1.5}
.flow-base .pattern-controls:not([hidden]){display:flex;flex-direction:column}
.flow-base .pattern-controls input[type=range]{width:100%;margin:8px 0 16px}
.flow-base .pattern-grid{order:1;margin:6px 0 0}
.flow-base .pattern-controls .range-label{display:flex;justify-content:space-between}
.flow-base .pattern-grid{grid-template-columns:repeat(4,minmax(0,1fr))}
.flow-base .racing-options input[type=range]{margin:8px 0 16px}
.flow-base .racing-options .range-label{display:flex;justify-content:space-between}
.flow-base .racing-controls{margin-top:20px;padding-top:18px}
.flow-base .racing-title{font-size:13px;color:var(--ink)}

@media (max-width:820px){
  html.flow-on #toast{bottom:150px}
  .flow-steps{align-self:stretch;margin:18px 18px 0}
  .flow-steps li+li{flex:1}
  .flow-steps li+li::before{flex:1;min-width:12px}
  .flow-history{top:10px;right:10px;gap:6px}
  .flow-undo{padding:7px 12px 7px 10px;font-size:12px}
  .mode-switch button{padding:6px 10px;font-size:12px}
  html.m-editor header .mode-switch{margin:0 auto 0 2px}
  html.m-editor header .mode-switch button{padding:6px 9px}
  html.m-editor header .m-title{display:none}
  html.m-editor header .m-icon{width:34px}
  .flow-body{grid-template-columns:minmax(0,1fr);grid-template-rows:minmax(220px,46%) minmax(0,1fr)}
  .flow-panel{border-left:0;border-top:1px solid var(--line)}
  .flow-step{padding:18px 18px 10px}
  .flow h1{font-size:22px}
  .flow-lede{margin-bottom:16px;font-size:14px}
  .flow-nav{padding:12px 18px calc(12px + env(safe-area-inset-bottom))}
  .flow-nav button{padding:13px 16px}
  .flow-nav .flow-next{min-width:0;flex:1}
  .flow-nav-end{flex:1}
  .flow-models{grid-template-columns:1fr 1fr}
  .flow-models button{flex-direction:column;align-items:flex-start;gap:2px;padding:10px 12px}
  .flow-models button:last-child:nth-child(odd){grid-column:span 2}
}
@media (max-width:380px){
  html.m-editor header .mode-switch button{padding:6px 7px;font-size:11.5px}
  html.m-editor header .m-icon{width:30px}
  .flow-steps button{gap:6px;padding-right:8px}
  .flow-steps li+li::before{min-width:6px;margin:0 4px 0 -4px}
}
.flow-next.is-skip,.flow-next.is-skip:hover{background:transparent;border:1px solid var(--lime,#c7f75f);color:var(--lime,#c7f75f);box-shadow:none}