:root{--surface-2:#ffffff;--surface-3:rgba(248,250,252,.96);--accent-2:#0e7c86;--accent-soft:rgba(37,99,235,.09);--chip:#f6faf9;--code:#102a2c;--hero-glow:rgba(37,99,235,.14);--hero-glow-2:rgba(124,58,237,.10)}
html[data-theme="dark"],html[data-theme="dark"],html[data-theme="dark"],html[data-theme="dark"],html[data-theme="dark"],html[data-theme="dark"],html[data-theme="dark"],html[data-theme="dark"]{--surface-2:rgba(15,23,42,.96);--surface-3:rgba(255,255,255,.04);--accent-soft:rgba(37,99,235,.12);--chip:rgba(255,255,255,.05);--code:#d4ecea;--hero-glow:rgba(37,99,235,.18);--hero-glow-2:rgba(124,58,237,.14)}
.tool-app *{box-sizing:border-box}
.tool-app button,.tool-app input,.tool-app select,.tool-app textarea{font:inherit}
.tool-app button{-webkit-tap-highlight-color:transparent}
.fallback-header{padding:10px 20px;background:#020617b3;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);box-shadow:0 1px 4px rgba(15,23,42,.7);display:flex;align-items:center;gap:10px;position:sticky;top:0;z-index:60}
.fallback-header img{width:32px;height:32px}
.fallback-header span{font-weight:800;background:linear-gradient(90deg,#0b6e75,#0e7c86);-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.page{max-width:1280px;margin:0 auto;padding:22px 16px 40px}
.tool-shell{display:grid;gap:18px}
.hero,.card{border:1px solid var(--border);background:var(--surface);border-radius:28px;backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);box-shadow:var(--shadow)}
.hero{padding:24px;background:radial-gradient(circle at top left, rgba(37,99,235,.14), transparent 34%),
        radial-gradient(circle at bottom right, rgba(124,58,237,.10), transparent 34%),
        var(--surface)}
.hero-top{display:grid;grid-template-columns:1.15fr .85fr;gap:18px;align-items:start}
.hero-copy h1{margin:0 0 10px;font-size:clamp(2rem,3vw,3.15rem);line-height:1.02;letter-spacing:-.04em;background:var(--accent-grad);-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.hero-copy p{margin:0;color:var(--muted);line-height:1.8;max-width:820px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.hero-tags span,.badge,.chip,.step-tag{display:inline-flex;align-items:center;justify-content:center;min-height:34px;padding:0 12px;border-radius:999px;border:1px solid var(--border);background:var(--chip);color:var(--text);font-size:.78rem;font-weight:800;white-space:nowrap}
.hero-side{display:grid;gap:12px}
.mini-card{border:1px solid var(--border);background:var(--surface-3);border-radius:22px;padding:16px;box-shadow:var(--shadow-soft)}
.mini-card h3{margin:0 0 6px;font-size:1rem}
.mini-card p{margin:0;color:var(--muted);line-height:1.65;font-size:.92rem}
.layout{display:grid;grid-template-columns:360px minmax(0,1fr);gap:18px;align-items:start}
.sidebar{position:sticky;top:78px;display:grid;gap:18px}
.card{padding:18px}
.section-head{display:flex;justify-content:space-between;align-items:flex-start;gap:12px;margin-bottom:14px;flex-wrap:wrap}
.section-head h2,.section-head h3{margin:0;font-size:1.08rem}
.section-head p{margin:4px 0 0;color:var(--muted);font-size:.86rem;line-height:1.65}
.status-pill{display:inline-flex;align-items:center;justify-content:center;min-height:36px;padding:0 12px;border-radius:999px;border:1px solid var(--border);background:var(--surface-3);color:var(--text);font-weight:800;font-size:.78rem;white-space:nowrap}
.status-pill.success{background:rgba(22,163,74,.10);border-color:rgba(22,163,74,.22)}
.status-pill.warning{background:rgba(217,119,6,.10);border-color:rgba(217,119,6,.22)}
.steps{display:grid;gap:14px}
.step{border:1px solid var(--border);background:var(--surface-3);border-radius:22px;padding:14px}
.step-title{display:flex;align-items:center;gap:10px;margin-bottom:12px;flex-wrap:wrap}
.step-tag{background:var(--accent-soft);color:var(--accent);border-color:rgba(37,99,235,.18)}
.step-title strong{font-size:.95rem}
.field-grid{display:grid;gap:12px}
.field label{display:block;margin:0 0 7px;font-size:.8rem;font-weight:800;color:var(--text)}
.field input,.field select,.field textarea{width:100%;border:1px solid var(--input-border);background:var(--input-bg);color:var(--text);border-radius:16px;min-height:48px;padding:12px 14px;outline:none;transition:border-color .18s ease, box-shadow .18s ease}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--accent);box-shadow:0 0 0 4px rgba(37,99,235,.12)}
.field select{appearance:none;-webkit-appearance:none;-moz-appearance:none;cursor:pointer;padding-right:44px;background-image:linear-gradient(45deg, transparent 50%, var(--muted) 50%),
        linear-gradient(135deg, var(--muted) 50%, transparent 50%);background-position:calc(100% - 18px) calc(50% - 3px),calc(100% - 12px) calc(50% - 3px);background-size:6px 6px,6px 6px;background-repeat:no-repeat}
.inline-grid{display:grid;grid-template-columns:1fr 110px;gap:10px;align-items:end}
.segmented{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
.segmented button,.preset-btn,.btn-primary,.btn-outline,.btn-ghost{min-height:48px;border-radius:16px;border:1px solid transparent;padding:0 16px;font-weight:800;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:8px;transition:transform .16s ease, box-shadow .18s ease, background .18s ease, border-color .18s ease;text-align:center}
.segmented button{background:var(--surface-2);border-color:var(--border);color:var(--text)}
.segmented button.active{background:var(--accent-grad);color:#fff;border-color:transparent;box-shadow:0 14px 28px rgba(37,99,235,.22)}
.preset-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
.preset-btn,.btn-outline{background:var(--accent-soft);color:var(--accent);border-color:rgba(37,99,235,.18)}
.btn-primary{background:var(--accent-grad);color:#fff;box-shadow:0 16px 34px rgba(37,99,235,.24)}
.btn-ghost{background:var(--surface-3);color:var(--text);border-color:var(--border)}
.preset-btn:hover,.btn-primary:hover,.btn-outline:hover,.btn-ghost:hover,.segmented button:hover{transform:translateY(-1px)}
.toggle-grid{display:grid;gap:10px}
.toggle{display:flex;align-items:flex-start;gap:12px;padding:14px;border-radius:18px;border:1px solid var(--border);background:var(--surface-2)}
.toggle input{appearance:none;-webkit-appearance:none;width:20px;height:20px;flex:0 0 auto;margin:2px 0 0;border-radius:7px;border:1px solid var(--input-border);background:var(--surface-2);display:grid;place-items:center;cursor:pointer}
.toggle input::after{content:"";width:9px;height:5px;border-left:2px solid #fff;border-bottom:2px solid #fff;transform:rotate(-45deg) scale(0);transition:.15s ease;margin-top:-1px}
.toggle input:checked{background:var(--accent-grad);border-color:transparent}
.toggle input:checked::after{transform:rotate(-45deg) scale(1)}
.toggle strong{display:block;font-size:.88rem;margin-bottom:4px}
.toggle span{display:block;color:var(--muted);font-size:.78rem;line-height:1.55}
.progress-wrap{margin-top:14px;padding-top:14px;border-top:1px solid var(--border)}
.progress-top{display:flex;justify-content:space-between;gap:12px;align-items:center;flex-wrap:wrap;margin-bottom:8px}
.progress-top span{font-size:.82rem;color:var(--muted)}
.progress-bar{height:9px;border-radius:999px;overflow:hidden;background:rgba(148,163,184,.18)}
.progress-bar div{height:100%;width:0;background:var(--accent-grad);transition:width .22s ease}
.main-content{display:grid;gap:18px}
.quick-bar{display:grid;grid-template-columns:1.15fr .85fr;gap:18px;align-items:stretch}
.quick-actions{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
.helper-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:12px}
.helper-grid.two{grid-template-columns:repeat(2,1fr);margin-top:0}
.helper-item{border:1px solid var(--border);background:var(--surface-3);border-radius:18px;padding:14px}
.helper-item small{display:block;font-size:.7rem;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);margin-bottom:6px}
.helper-item strong{display:block;font-size:.98rem}
.workspace-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;align-items:stretch}
.editor-shell{border:1px solid var(--border);border-radius:24px;overflow:hidden;background:var(--surface-3);height:560px;min-height:560px;max-height:560px;display:flex;flex-direction:column}
.editor-top{padding:14px 16px;border-bottom:1px solid var(--border);display:flex;justify-content:space-between;gap:10px;align-items:center;flex-wrap:wrap;flex:0 0 auto}
.editor-top h4{margin:0;font-size:1rem}
.editor-meta{display:flex;gap:8px;flex-wrap:wrap}
.editor-body{display:grid;grid-template-columns:56px minmax(0,1fr);flex:1 1 auto;min-height:0;overflow:hidden;background:var(--surface-2)}
.lines{margin:0;padding:16px 10px 16px 0;border-right:1px solid var(--border);background:var(--surface-3);color:var(--muted);text-align:right;overflow:auto;user-select:none;white-space:pre;font:500 13px/1.62 ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,"Liberation Mono","Courier New",monospace}
.tool-app textarea.editor,.tool-app pre.output{display:block;margin:0;border:0;outline:none;width:100%;height:100%;max-height:100%;resize:none;overflow:auto;padding:16px 18px;background:transparent;color:var(--code);white-space:pre-wrap;word-break:break-word;overflow-wrap:anywhere;font:500 13px/1.62 ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,"Liberation Mono","Courier New",monospace}
.tool-app textarea.editor::placeholder{color:var(--muted)}
.editor-bottom{padding:12px 16px;border-top:1px solid var(--border);display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap;background:var(--surface-3);flex:0 0 auto}
.stats-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:12px}
.stats-card{border:1px solid var(--border);background:var(--surface);border-radius:22px;padding:16px;box-shadow:var(--shadow-soft)}
.stats-card small{display:block;font-size:.7rem;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);margin-bottom:6px}
.stats-card strong{display:block;font-size:1.04rem}
.bottom-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.history-list{display:grid;gap:10px;max-height:340px;overflow:auto}
.history-item,.tip-box{border:1px solid var(--border);background:var(--surface-3);border-radius:20px;padding:14px}
.history-item h4{margin:0 0 6px;font-size:.94rem}
.history-item p{margin:0;color:var(--muted);font-size:.82rem;line-height:1.58}
.tip-box p{margin:0;color:var(--muted);line-height:1.72}
.tip-box ul{margin:10px 0 0;padding-left:18px;color:var(--muted);line-height:1.78}
.kbd{display:inline-flex;align-items:center;justify-content:center;min-width:28px;height:28px;padding:0 8px;border-radius:10px;border:1px solid var(--border);background:var(--surface-2);color:var(--text);font-size:.78rem;font-weight:900}
.empty{padding:24px 12px;text-align:center;color:var(--muted)}
.range-wrap{display:grid;gap:8px}
.tool-app input[type="range"]{-webkit-appearance:none;appearance:none;width:100%;height:8px;border-radius:999px;background:rgba(148,163,184,.22);outline:none}
.tool-app input[type="range"]::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;width:18px;height:18px;border-radius:50%;background:linear-gradient(135deg,#0b6e75,#0e7c86);cursor:pointer;border:0;box-shadow:0 4px 10px rgba(37,99,235,.25)}
.tool-app input[type="range"]::-moz-range-thumb{width:18px;height:18px;border-radius:50%;background:linear-gradient(135deg,#0b6e75,#0e7c86);cursor:pointer;border:0;box-shadow:0 4px 10px rgba(37,99,235,.25)}
@media (max-width:1160px){
.layout{grid-template-columns:1fr}
.sidebar{position:relative;top:auto}
.hero-top{grid-template-columns:1fr}
.quick-bar{grid-template-columns:1fr}
.stats-grid{grid-template-columns:repeat(3,1fr)}
}
@media (max-width:920px){
.workspace-grid,.bottom-grid{grid-template-columns:1fr}
.helper-grid{grid-template-columns:repeat(2,1fr)}
.quick-actions{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:640px){
.page{padding:16px 12px 28px}
.preset-grid,.quick-actions,.segmented{grid-template-columns:1fr}
.stats-grid{grid-template-columns:repeat(2,1fr)}
.helper-grid,.helper-grid.two{grid-template-columns:1fr}
.inline-grid{grid-template-columns:1fr}
.editor-shell{height:420px;min-height:420px;max-height:420px}
.editor-body{grid-template-columns:46px 1fr}
.hero,.card,.stats-card{border-radius:24px}
}
@media (max-width:420px){
.stats-grid{grid-template-columns:1fr}
.hero-copy h1{font-size:1.9rem}
}

/* page overrides */
.tool-app{--surface:var(--zl-surface);--surface-2:var(--zl-surface-2);--surface-3:var(--zl-surface-2);--surface-soft:var(--zl-surface-2);--surface-strong:var(--zl-surface);--accent-soft:var(--zl-tint);--border:var(--zl-line);--border-strong:var(--zl-line-2);--input-border:var(--zl-line-2);--input-bg:var(--zl-surface);--input-text:var(--zl-ink);--text:var(--zl-ink);--muted:var(--zl-muted);--chip:var(--zl-tint);--chip-bg:var(--zl-tint);--code-bg:var(--zl-surface);--preview-bg:var(--zl-surface-2)}
/* lorem ipsum: Option C layout fixes */
.zl-tool .tool-app.page{padding:0;max-width:none}
.tool-app .card,.tool-app .step,.tool-app .editor-shell,.tool-app .stat-card,.tool-app .mini-card{backdrop-filter:none;-webkit-backdrop-filter:none;box-shadow:none;border-color:var(--zl-line)}
.tool-app .layout{grid-template-columns:330px minmax(0,1fr)}
.tool-app .sidebar{position:static}
.tool-app .quick-bar{grid-template-columns:minmax(0,1fr)}
.tool-app .quick-actions{display:flex;flex-wrap:wrap;gap:8px}
.tool-app .quick-actions button{white-space:nowrap}
.tool-app .step-tag{display:none}
.tool-app .step{background:var(--zl-surface-2);border-radius:16px}
.tool-app .step-title strong{font:600 15px var(--zl-font-head)}
.tool-app .segmented button{border-radius:999px;border:1.5px solid var(--zl-line-2);background:var(--zl-surface);color:var(--zl-ink);font:500 14.5px var(--zl-font-head);min-height:44px;box-shadow:none}
.tool-app .segmented button.active{background:var(--zl-accent);border-color:var(--zl-accent);color:var(--zl-accent-ink);box-shadow:none}
.tool-app .segmented button:hover,.tool-app .preset-btn:hover{transform:none}
.tool-app .preset-btn{border-radius:999px;border:1.5px solid var(--zl-line-2);background:var(--zl-surface);color:var(--zl-ink);font:500 14px var(--zl-font-head);min-height:44px;line-height:1.2}
.tool-app input[type="range"]{height:6px;min-height:0;padding:0;border:0;border-radius:999px;background:var(--zl-tint);box-shadow:none}
.tool-app input[type="range"]::-webkit-slider-thumb{width:22px;height:22px;background:var(--zl-accent);box-shadow:none}
.tool-app input[type="range"]::-moz-range-thumb{width:22px;height:22px;background:var(--zl-accent);box-shadow:none}
.tool-app .inline-grid{align-items:center}
.tool-app .editor-body{grid-template-columns:minmax(0,1fr)}
.tool-app .editor-body .lines{display:none}
.tool-app .editor-body textarea,.tool-app .editor-body .output{font:400 14px/1.62 var(--zl-font-mono);border:0;border-radius:0;box-shadow:none}
.tool-app .editor-body textarea:focus{box-shadow:inset 0 0 0 2px var(--zl-accent)}
.tool-app .stat-card small,.tool-app .mini-card small,.tool-app .summary-grid small,.tool-app .stats-grid small{text-transform:none;letter-spacing:0;font:500 13px var(--zl-font-head);color:var(--zl-muted)}
.tool-app .stats-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
.tool-app .check-item input[type="checkbox"]:checked,.tool-app .check input[type="checkbox"]:checked{background:var(--zl-accent);border-color:var(--zl-accent);box-shadow:none}
.tool-app .status-pill{border:0;font-family:var(--zl-font-head);font-weight:500}
.tool-app .status-pill.success{background:var(--zl-success-soft);color:var(--zl-success)}
.tool-app .progress-bar>div,.tool-app #progressInner{background:var(--zl-accent)}
@media (max-width:1160px){.tool-app .layout{grid-template-columns:1fr}}
@media (max-width:640px){
  .tool-app .quick-actions{display:grid;grid-template-columns:1fr 1fr}
  .tool-app .quick-actions .btn-primary{grid-column:1/-1}
  .tool-app .stats-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
/* put the output right under the actions; summary after it */
.tool-app .quick-bar{display:contents}
.tool-app .main-content>.quick-bar>.card:first-child{order:1}
.tool-app .main-content>.card{order:2}
.tool-app .main-content>.quick-bar>.card:nth-child(2){order:3}
.tool-app .main-content>.stats-grid{order:4}
.tool-app .main-content>.bottom-grid{order:5}
.tool-app .quick-bar>.card:first-child .helper-grid{display:none}
.tool-app .helper-grid.two{grid-template-columns:repeat(6,minmax(0,1fr))}
.tool-app .editor-shell{height:440px}
@media (max-width:920px){.tool-app .helper-grid.two{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media (max-width:640px){.tool-app .helper-grid.two{grid-template-columns:repeat(2,minmax(0,1fr))}.tool-app .editor-shell{height:360px}}
.tool-app .editor-body .output{font:400 15.5px/1.65 var(--zl-font-body)}
/* 320px: let the stacked layout shrink to the screen */
.tool-app .layout>*{min-width:0}
@media (max-width:1160px){.tool-app .layout{grid-template-columns:minmax(0,1fr)}}
.tool-app .main-content,.tool-app .main-content>*,.tool-app .workspace-grid>*,.tool-app .bottom-grid>*{min-width:0}
@media (max-width:640px){
  .tool-app .quick-actions{grid-template-columns:repeat(2,minmax(0,1fr))}
  .tool-app .quick-actions button{white-space:normal;min-width:0;line-height:1.2}
  .tool-app .section-head{flex-wrap:wrap}
}