:root{--bg:#101417;--panel:#191e21;--panel2:#232a2e;--border:#303a40;--border2:#465158;--text:#f0f3f4;--muted:#a4afb5;--hint:#a4afb5;--accent:#00e4db;--accent-dim:rgba(0,228,219,.1)}
body{height:100vh;height:100dvh;min-height:0;overflow:hidden}
[hidden]{display:none!important}
.top-bar{min-height:60px;height:60px;padding:12px 24px}.top-bar-title img{height:28px}.header-links{margin-left:auto;display:flex;gap:20px}.header-links a{color:var(--muted);font-size:11px;text-decoration:none}
.layout{min-height:0;overflow:hidden;flex-direction:row}.panel{width:36%;min-width:320px;max-width:480px;flex-shrink:0;overflow-y:auto;overflow-x:hidden}.workflow-page{padding-bottom:24px}.workflow-heading{padding:24px 22px 10px}.workflow-step{font-size:10px;color:var(--accent);letter-spacing:.14em;font-weight:700}.workflow-heading h1{font-size:23px;line-height:1.4;margin:7px 0}.workflow-heading p,.workflow-help{color:var(--muted);font-size:12px;line-height:1.8}.panel-sec{padding:18px 22px;border-bottom:0}.panel-label{font-size:12px;color:var(--text);letter-spacing:0;margin-bottom:10px}.slider-name{color:var(--muted);font-size:12px}.slider-val{color:var(--text)}
.upload-btn{padding:27px 10px;border:1px dashed var(--border2);background:var(--bg);border-radius:6px;text-align:center;color:var(--text);cursor:pointer}.upload-btn:hover{border-color:var(--accent)}.upload-sub{line-height:1.7;color:var(--muted)}.material-thumbnails{display:grid;grid-template-columns:repeat(3,1fr);gap:7px;margin-top:14px}.material-thumbnails img{width:100%;aspect-ratio:16/9;object-fit:contain;background:var(--bg);border:1px solid var(--border);border-radius:3px}.count-badge{color:var(--accent)}
.tog{min-height:36px;color:var(--muted);font-size:12px;padding:8px 6px}.tog.active{color:#062423;background:var(--accent);border-color:var(--accent);font-weight:700}.toggle-group{gap:5px}.mode-icon{display:block;font-size:32px;line-height:1.8}#tog-h,#tog-d,#tog-s{min-height:100px;background:var(--panel2);color:var(--text)}#tog-h.active,#tog-d.active,#tog-s.active{border-color:var(--accent);box-shadow:inset 0 0 0 1px var(--accent);background:var(--accent-dim)}.act-btn{min-height:38px;font-size:12px}.act-btn.primary{background:var(--accent);color:#062423;border-color:var(--accent);font-weight:700}.act-btn:disabled{opacity:.4;cursor:default}.decor-nav{display:flex;gap:5px;padding:14px 22px 4px}.decor-nav button{flex:1;background:var(--panel2);color:var(--muted);border:1px solid var(--border2);border-radius:5px;padding:10px 4px;cursor:pointer}.decor-nav button[aria-selected=true]{background:var(--accent);color:#062423;border-color:var(--accent)}.decor-page{display:block}.export-section{padding:12px 22px;border-top:0}.export-summary{padding:18px 12px;border:1px solid var(--border2);border-radius:6px;background:var(--panel2);margin:18px 0 12px;font-size:13px}.action-grid{display:flex;flex-direction:column-reverse;gap:9px}.workflow-help{margin:10px 0 18px}.export-section>.danger{margin-top:16px!important}
.preview-area{min-width:0;min-height:0;width:auto;flex:1;aspect-ratio:auto;padding:20px 20px 76px;background:radial-gradient(ellipse at center,#22292d,#101417 75%)}.canvas-wrap{flex-shrink:0}.empty-hint{padding:24px;max-width:380px;color:var(--muted)}.preview-transport{position:absolute;bottom:20px;left:20px;right:20px;min-height:46px;display:flex;align-items:center;gap:12px;background:var(--panel);border:1px solid var(--border);border-radius:6px;padding:8px 12px;color:var(--muted);font-size:11px}.preview-transport button{background:none;border:0;color:var(--text);font-size:20px;width:32px;cursor:pointer}.preview-transport button:disabled{opacity:.35}#preview-info{margin-left:auto;font-variant-numeric:tabular-nums}.slide-counter{display:none}
.workflow-nav{height:calc(76px + env(safe-area-inset-bottom,0px));flex-shrink:0;display:flex;justify-content:center;background:var(--panel);border-top:1px solid var(--border);padding-bottom:env(safe-area-inset-bottom)}.workflow-nav button{width:min(200px,20%);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;background:none;border:0;border-top:3px solid transparent;border-right:1px solid var(--border);color:var(--muted);cursor:pointer}.workflow-nav button>span{font-size:23px;line-height:1}.workflow-nav strong{font-size:12px;font-weight:500}.workflow-nav button[aria-selected=true]{color:var(--accent);background:var(--accent-dim);border-top-color:var(--accent)}button:focus-visible,a:focus-visible,[tabindex]:focus-visible{outline:2px solid var(--accent);outline-offset:-2px}
@media(max-width:900px){body{height:100vh;height:100dvh;min-height:0;overflow:hidden}.layout{flex-direction:row;overflow:hidden}.panel{width:40%;min-width:280px;min-height:0;overflow-y:auto;overflow-x:hidden}.preview-area{flex:1;width:auto;aspect-ratio:auto;padding:12px 12px 76px}.top-bar-credit{display:none}}
@media(max-width:600px){.top-bar{height:52px;min-height:52px;padding:10px 14px}.top-bar-title img{height:22px}.header-links{gap:10px}.header-links a{font-size:10px}.layout{flex-direction:column-reverse}.panel{width:100%;max-width:none;min-width:0;flex:1;min-height:0;border-right:0;border-top:1px solid var(--border)}.preview-area{flex:0 0 36%;min-height:150px;width:100%;padding:8px 10px 42px}.preview-transport{left:10px;right:10px;bottom:5px;min-height:31px;padding:3px 8px;gap:5px;font-size:10px}.preview-transport button{font-size:15px}.workflow-heading{padding:14px 18px 4px}.workflow-heading h1{font-size:20px}.panel-sec{padding:12px 18px}.workflow-nav{height:calc(65px + env(safe-area-inset-bottom,0px))}.workflow-nav strong{font-size:11px}.workflow-nav button>span{font-size:20px}.empty-hint .icon{display:none}.empty-hint{padding:10px}.empty-hint p{font-size:11px}.decor-nav{padding:12px 18px 0}}

/* Four motion choices stay readable on desktop and mobile. */
#workflow-2 .toggle-group:has(#tog-v){display:grid;grid-template-columns:repeat(2,minmax(0,1fr))}
#tog-v{min-height:100px;background:var(--panel2);color:var(--text)}
#tog-v.active{border-color:var(--accent);box-shadow:inset 0 0 0 1px var(--accent);background:var(--accent-dim)}

/* Show only the settings and download action for the selected format. */
.export-format{display:flex;border:1px solid var(--border2);border-radius:6px;overflow:hidden;margin:0 0 18px;background:var(--panel2)}
.export-format button{flex:1;min-height:40px;border:0;border-radius:5px;background:transparent;color:var(--muted);font:inherit;font-size:13px;font-weight:700;cursor:pointer}
.export-format button[aria-selected=true]{background:var(--accent);color:#062423}
.export-section .panel-sec{padding-top:0;padding-bottom:20px}
.export-section .export-summary{padding:0;border:0;border-radius:0;background:none;color:var(--muted);margin:4px 0 12px;font-size:12px;line-height:1.6;font-variant-numeric:tabular-nums}
.export-section .action-grid{flex-direction:column}
.export-section .action-grid .act-btn{display:flex;align-items:center;justify-content:center;gap:10px;min-height:42px;font-size:13px}
.export-section .export-help{margin:0 0 28px;font-size:12px}
.export-reset{display:block;margin:14px auto 0;padding:6px 10px;border:0;background:none;color:var(--muted);font:inherit;font-size:12px;text-decoration:underline;text-underline-offset:4px;cursor:pointer}
.export-reset:hover{color:var(--text)}
@media(max-width:600px){.export-section{padding:12px 18px}.export-format{margin-bottom:16px}.export-section .panel-sec{padding-bottom:16px}}

/* Cross-service navigation, with quiet support links in the footer. */
.top-bar{position:relative}
.top-bar-title{min-width:0;flex-shrink:1}
.top-bar-title img{max-width:100%;object-fit:contain}
.tool-navigation{margin-left:auto;flex-shrink:0}
.tool-menu-toggle{display:flex;align-items:center;gap:18px;min-height:44px;padding:0 4px 0 12px;background:none;border:0;color:var(--text);font:inherit;font-size:12px;white-space:nowrap;cursor:pointer}
.tool-menu-icon{width:26px;height:26px}
.menu-line{transform-box:view-box;transform-origin:12px 12px;transition:transform 220ms ease,opacity 160ms ease}
.tool-menu-toggle[aria-expanded=true] .menu-line-top{transform:rotate(45deg) translateY(7px)}
.tool-menu-toggle[aria-expanded=true] .menu-line-middle{opacity:0;transform:scaleX(.5)}
.tool-menu-toggle[aria-expanded=true] .menu-line-bottom{transform:rotate(-45deg) translateY(-7px)}
.tool-menu-toggle:hover{color:var(--accent)}
.tool-menu{position:absolute;right:16px;top:calc(100% - 1px);width:350px;max-width:calc(100vw - 24px);max-height:calc(100dvh - 80px - env(safe-area-inset-bottom,0px));overflow-y:auto;overscroll-behavior:contain;background:var(--panel);border:1px solid var(--border2);border-radius:10px;box-shadow:0 16px 40px #0006;padding:0 12px}
.tool-menu-title{padding:20px 8px 17px;margin:0;border-bottom:1px solid var(--border);font-size:13px;font-weight:700}
.tool-link{display:flex;align-items:center;gap:12px;min-height:60px;padding:12px 8px;color:var(--text);text-decoration:none;font-size:13px;border-radius:5px}
.tool-link>svg{width:26px;height:26px;flex-shrink:0}
.tool-link>span:not(.tool-chevron){min-width:0;line-height:1.5}
.tool-link:hover{background:var(--panel2)}
.tool-link[aria-current=page]{color:var(--accent);background:var(--accent-dim)}
.tool-link small{margin-left:auto;flex-shrink:0;border:1px solid var(--accent);border-radius:20px;padding:4px 8px;font-size:10px;white-space:nowrap}
.tool-chevron{margin-left:auto;font-size:24px;line-height:1;color:var(--muted)}
.tool-menu-footer{display:flex;gap:22px;border-top:1px solid var(--border);padding:2px 8px;margin-top:8px}
.tool-menu-footer a{display:flex;align-items:center;min-height:44px;color:var(--muted);font-size:11px;text-decoration:none}
.tool-menu-footer a:hover{color:var(--text)}
@media(max-width:1100px){.top-bar-credit{display:none}}
@media(max-width:600px){
  .top-bar{gap:8px;padding:4px 12px}
  .top-bar-title img{height:auto;max-height:22px}
  .tool-menu-toggle{gap:10px;padding-left:4px;font-size:11px}
  .tool-menu-icon{width:24px;height:24px}
  .tool-menu{right:12px;width:350px;max-height:calc(100dvh - 68px - env(safe-area-inset-bottom,0px))}
}

/* Visibility waits for the closing transition; inert removes closed links from interaction. */
.tool-menu{opacity:0;visibility:hidden;transform:translateY(-8px);pointer-events:none;transition:opacity 180ms ease,transform 180ms ease,visibility 0s linear 180ms}
.tool-menu-toggle[aria-expanded=true]+.tool-menu{opacity:1;visibility:visible;transform:translateY(0);pointer-events:auto;transition-delay:0s}
@media(prefers-reduced-motion:reduce){.menu-line,.tool-menu{transition:none}}

/* Keep the privacy message visible beside the logo, or on a compact second row. */
.header-privacy{margin:0 0 0 8px;color:var(--muted);font-size:11px;font-weight:400;line-height:1.6;min-width:0}
.header-privacy span{display:inline-block}
@media(max-width:900px){
  .top-bar{display:grid;grid-template-columns:minmax(0,1fr) auto;grid-template-rows:44px auto;column-gap:8px;row-gap:0;height:80px;min-height:80px;padding:4px 12px 8px}
  .top-bar-title{grid-column:1;grid-row:1;justify-self:start;max-width:100%}
  .tool-navigation{grid-column:2;grid-row:1}
  .header-privacy{grid-column:1/-1;grid-row:2;margin:0;display:flex;flex-wrap:wrap;justify-content:center;gap:0 4px;font-size:10px;line-height:16px}
  .tool-menu{max-height:calc(100dvh - 96px - env(safe-area-inset-bottom,0px))}
}