/* TinyWebTools - shared tool page styles */
:root{
  --bg:#ffffff;--bg-soft:#f7f8f7;--surface:#ffffff;
  --border:#e5e7eb;--border-soft:#eceeef;
  --text:#101413;--text-dim:#555555;--text-faint:#888888;
  --accent:#009966;--accent-hover:#007a52;--accent-soft:#e6f5ef;--accent-text:#00734d;
  --warn:#b4530a;--warn-soft:#fdf1e6;--danger:#c0392b;
  --radius:14px;--radius-sm:10px;--maxw:1060px;
  --shadow:0 1px 2px rgba(16,20,19,.05), 0 8px 24px -16px rgba(16,20,19,.18);
  --font-display:"Bricolage Grotesque", ui-sans-serif, system-ui, "Segoe UI", sans-serif;
  --font-body:"Instrument Sans", ui-sans-serif, system-ui, "Segoe UI", sans-serif;
  --font-mono:ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}
:root[data-theme="dark"]{
  --bg:#0b0f14;--bg-soft:#0f1419;--surface:#111820;
  --border:#1e2833;--border-soft:#18202a;
  --text:#f2f5f4;--text-dim:#9aa7a2;--text-faint:#7d8a85;
  --accent:#00b377;--accent-hover:#00d18b;--accent-soft:#0e2620;--accent-text:#4fd8a6;
  --warn:#e0a25e;--warn-soft:#241a10;--danger:#e0705f;
  --shadow:0 1px 2px rgba(0,0,0,.4), 0 12px 32px -20px rgba(0,0,0,.9);
  color-scheme:dark;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--text);font-family:var(--font-body);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
h1,h2,h3,h4{font-family:var(--font-display);font-weight:600;line-height:1.15;letter-spacing:-.02em;margin:0}
p{margin:0}
a{color:inherit;text-decoration:none}
svg{display:block}
.wrap{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}

.site-header{position:sticky;top:0;z-index:50;border-bottom:1px solid transparent;transition:background .25s ease,border-color .25s ease}
.site-header.is-scrolled{background:color-mix(in srgb,var(--bg) 82%,transparent);backdrop-filter:blur(12px);border-bottom-color:var(--border)}
.header-row{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 0;white-space:nowrap}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;white-space:nowrap}
.brand-mark{width:28px;height:28px;flex-shrink:0}
.brand-name{font-family:var(--font-display);font-weight:600;font-size:18px;letter-spacing:-.02em;white-space:nowrap}
.nav{display:flex;align-items:center;gap:22px;min-width:0;white-space:nowrap}
.nav a{font-size:14px;color:var(--text-dim);white-space:nowrap;flex-shrink:0;transition:color .15s ease}
.nav a:hover{color:var(--text)}
.header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0;white-space:nowrap}
.icon-btn{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;flex-shrink:0;border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--surface);color:var(--text-dim);cursor:pointer;transition:color .15s ease,border-color .15s ease}
.icon-btn:hover{color:var(--text);border-color:var(--text-faint)}
.icon-btn .sun{display:none}
:root[data-theme="dark"] .icon-btn .sun{display:block}
:root[data-theme="dark"] .icon-btn .moon{display:none}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:38px;padding:0 18px;flex-shrink:0;border-radius:var(--radius-sm);border:1px solid transparent;font-family:var(--font-body);font-size:14px;font-weight:500;white-space:nowrap;cursor:pointer;transition:background .15s ease,border-color .15s ease,color .15s ease}
.btn-primary{background:var(--accent);color:#fff;box-shadow:inset 0 1px 0 rgba(255,255,255,.18)}
.btn-primary:hover{background:var(--accent-hover)}
.btn-ghost{background:var(--surface);border-color:var(--border);color:var(--text)}
.btn-ghost:hover{border-color:var(--text-faint)}
.btn-sm{height:32px;padding:0 14px;font-size:13px}
.btn:disabled{opacity:.5;cursor:not-allowed}
.btn svg{width:16px;height:16px;flex-shrink:0}

.page-head{padding:34px 0 0}
.crumbs{display:flex;align-items:center;gap:8px;white-space:nowrap;font-size:13px;color:var(--text-faint);margin-bottom:14px}
.crumbs a{flex-shrink:0;white-space:nowrap}
.crumbs a:hover{color:var(--text)}
.crumbs span{flex-shrink:0}
.page-head h1{font-size:clamp(26px,3.6vw,34px);margin-bottom:8px}
.page-head p.lede{font-size:15.5px;color:var(--text-dim);max-width:70ch}
.tabs{display:flex;align-items:center;gap:6px;white-space:nowrap;margin:18px 0 0;padding-bottom:2px;overflow-x:auto;border-bottom:1px solid var(--border)}
.tab{flex-shrink:0;white-space:nowrap;padding:9px 15px;margin-bottom:-1px;border:0;background:transparent;cursor:pointer;font-family:var(--font-body);font-size:14px;font-weight:500;color:var(--text-dim);border-bottom:2px solid transparent;transition:color .15s ease,border-color .15s ease}
.tab:hover{color:var(--text)}
.tab[aria-selected="true"]{color:var(--accent-text);border-bottom-color:var(--accent)}
.tab-panel{display:none}
.tab-panel.is-active{display:block}

.tip{position:relative;display:inline-flex;align-items:center;justify-content:center;width:15px;height:15px;flex-shrink:0;vertical-align:-2px;margin-left:5px;border:1px solid var(--border);border-radius:50%;background:var(--bg-soft);color:var(--text-faint);cursor:help;font-size:10px;font-weight:700;line-height:1}
.tip:hover,.tip:focus-visible{border-color:var(--accent);color:var(--accent-text);outline:none}
.tip .tip-body{position:absolute;bottom:calc(100% + 8px);left:50%;transform:translateX(-50%) translateY(4px);width:max-content;max-width:270px;z-index:60;padding:9px 12px;border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--surface);box-shadow:var(--shadow);font-size:12.5px;font-weight:400;line-height:1.5;color:var(--text-dim);white-space:normal;text-align:left;opacity:0;visibility:hidden;pointer-events:none;transition:opacity .15s ease,transform .15s ease,visibility .15s}
.tip:hover .tip-body,.tip:focus-visible .tip-body{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}

.tool-layout{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,300px);gap:20px;padding:22px 0 8px;align-items:start}
.card{border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);padding:20px}
.card + .card{margin-top:16px}
.card h2{font-size:17px;margin-bottom:4px}
.card .card-sub{font-size:14px;color:var(--text-dim);margin-bottom:16px}
.side{position:sticky;top:78px}

.drop{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;padding:34px 22px;text-align:center;cursor:pointer;border:1.5px dashed var(--border);border-radius:var(--radius);background:var(--bg-soft);transition:border-color .15s ease,background .15s ease}
.drop:hover,.drop.is-over{border-color:var(--accent);background:var(--accent-soft)}
.drop .ic{width:42px;height:42px;display:flex;align-items:center;justify-content:center;border-radius:12px;background:var(--surface);border:1px solid var(--border);color:var(--accent-text);flex-shrink:0}
.drop .ic svg{width:20px;height:20px}
.drop b{font-family:var(--font-display);font-weight:600;font-size:15.5px}
.drop small{font-size:13px;color:var(--text-faint)}
.drop input{display:none}

/* page grid */
.pages{display:none;margin-top:16px}
.pages.is-visible{display:block}
.pages-head{display:flex;align-items:center;gap:10px;white-space:nowrap;margin-bottom:12px}
.pages-head .t{flex:1;min-width:0;font-family:var(--font-display);font-weight:600;font-size:14.5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.pages-head .c{flex-shrink:0;padding:1px 8px;border-radius:999px;border:1px solid var(--border);background:var(--bg-soft);font-size:11px;font-weight:600;color:var(--text-faint)}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(126px,1fr));gap:12px}
.pg{
  position:relative;min-width:0;border:1px solid var(--border);border-radius:var(--radius-sm);
  background:var(--bg-soft);overflow:hidden;cursor:grab;
  transition:border-color .15s ease,transform .15s ease,opacity .15s ease;
}
.pg:hover{border-color:var(--accent)}
.pg.is-dragging{opacity:.4;cursor:grabbing}
.pg.is-target{border-color:var(--accent);transform:scale(1.03)}
.pg .ph{aspect-ratio:3/4;display:flex;align-items:center;justify-content:center;background:var(--surface);overflow:hidden}
.pg .ph img{max-width:100%;max-height:100%;object-fit:contain;display:block;transition:transform .2s ease}
.pg .cap{display:flex;align-items:center;gap:6px;white-space:nowrap;padding:6px 8px;border-top:1px solid var(--border)}
.pg .num{flex-shrink:0;width:18px;height:18px;border-radius:5px;background:var(--accent);color:#fff;font-family:var(--font-mono);font-size:10px;font-weight:600;display:flex;align-items:center;justify-content:center}
.pg .nm{flex:1;min-width:0;font-size:11px;color:var(--text-dim);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.pg .tools{position:absolute;top:6px;right:6px;display:flex;gap:4px;white-space:nowrap;opacity:0;transition:opacity .15s ease}
.pg:hover .tools,.pg:focus-within .tools{opacity:1}
.pg .mini{flex-shrink:0;width:24px;height:24px;border-radius:6px;border:1px solid var(--border);background:color-mix(in srgb,var(--surface) 88%,transparent);backdrop-filter:blur(6px);color:var(--text-dim);cursor:pointer;display:flex;align-items:center;justify-content:center}
.pg .mini:hover{color:var(--text);border-color:var(--text-faint)}
.pg .mini svg{width:12px;height:12px}

.field{margin-bottom:14px}
.field label{display:block;font-size:13.5px;font-weight:500;color:var(--text-dim);margin-bottom:6px}
select{width:100%;height:40px;padding:0 11px;border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--bg-soft);color:var(--text);font-family:var(--font-body);font-size:14.5px;outline:none}
select:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}
.range-row{display:flex;align-items:center;gap:10px;white-space:nowrap}
.range-row input{flex:1;min-width:0;accent-color:var(--accent)}
.range-row b{flex-shrink:0;font-family:var(--font-mono);font-size:12.5px;font-weight:600;color:var(--text-dim);min-width:38px;text-align:right}
.side .btn{width:100%}
.side .btn + .btn{margin-top:8px}

.note{display:flex;align-items:flex-start;gap:9px;margin-top:14px;padding:10px 12px;border:1px dashed var(--border);border-radius:var(--radius-sm);background:var(--bg-soft);font-size:12.5px;color:var(--text-dim)}
.note svg{flex-shrink:0;width:15px;height:15px;margin-top:3px;color:var(--text-faint)}
.loader{display:none;align-items:center;gap:10px;white-space:nowrap;margin-top:14px;padding:11px 13px;border:1px solid color-mix(in srgb,var(--accent) 35%,transparent);border-radius:var(--radius-sm);background:var(--accent-soft);font-size:13px;color:var(--accent-text)}
.loader.is-visible{display:flex}
.spin{width:14px;height:14px;flex-shrink:0;border:2px solid color-mix(in srgb,var(--accent-text) 30%,transparent);border-top-color:var(--accent-text);border-radius:50%;animation:sp .7s linear infinite}
@keyframes sp{to{transform:rotate(360deg)}}
.loader span{min-width:0;overflow:hidden;text-overflow:ellipsis}

section{padding:26px 0}
.section-head{max-width:660px;margin-bottom:22px}
.section-head h2{font-size:clamp(22px,3vw,28px);margin-bottom:10px}
.section-head p{color:var(--text-dim)}
.steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.step{min-width:0;padding:18px;border:1px solid var(--border);border-radius:var(--radius);background:var(--bg-soft)}
.step-no{display:inline-flex;align-items:center;justify-content:center;width:24px;height:24px;margin-bottom:10px;border-radius:7px;background:var(--accent);color:#fff;font-family:var(--font-display);font-size:12.5px;font-weight:600}
.step h3{font-size:15.5px;margin-bottom:6px}
.step p{font-size:14px;color:var(--text-dim)}
.faq details{border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);margin-bottom:10px}
.faq summary{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:15px 17px;cursor:pointer;list-style:none;font-family:var(--font-display);font-weight:600;font-size:15px;letter-spacing:-.01em}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"";flex-shrink:0;width:9px;height:9px;border-right:2px solid var(--text-faint);border-bottom:2px solid var(--text-faint);transform:rotate(45deg);transition:transform .2s ease;margin-top:-4px}
.faq details[open] summary::after{transform:rotate(-135deg);margin-top:3px}
.faq .answer{padding:0 17px 17px;color:var(--text-dim);font-size:14.5px}
.related{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.related-card{display:flex;align-items:center;gap:10px;min-width:0;white-space:nowrap;padding:14px 16px;border:1px dashed var(--border);border-radius:var(--radius);background:var(--bg-soft)}
.related-card.live{border-style:solid}
.related-card .nm{flex:1;min-width:0;font-family:var(--font-display);font-weight:600;font-size:14.5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;color:var(--text-dim)}
.related-card.live .nm{color:var(--text)}
.related-card .tg{flex-shrink:0;padding:2px 8px;border-radius:999px;border:1px solid var(--border);font-size:11px;font-weight:600;letter-spacing:.03em;text-transform:uppercase;color:var(--text-faint)}
.related-card.live .tg{border-color:color-mix(in srgb,var(--accent) 40%,transparent);background:var(--accent-soft);color:var(--accent-text)}

.site-footer{border-top:1px solid var(--border);padding:34px 0 28px;margin-top:20px}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:16px;font-size:13px;color:var(--text-faint);white-space:nowrap}
.footer-bottom .links{display:flex;gap:18px;flex-shrink:0;white-space:nowrap}
.toast-stack{position:fixed;left:50%;bottom:26px;transform:translateX(-50%);z-index:100;display:flex;flex-direction:column;gap:8px;align-items:center;pointer-events:none}
.toast{display:flex;align-items:center;gap:9px;white-space:nowrap;padding:10px 16px;border-radius:999px;border:1px solid var(--border);background:var(--surface);box-shadow:var(--shadow);font-size:14px;color:var(--text);opacity:0;transform:translateY(8px);transition:opacity .2s ease,transform .2s ease}
.toast.is-in{opacity:1;transform:translateY(0)}
.toast svg{flex-shrink:0;width:16px;height:16px;color:var(--accent)}
.toast.is-error svg{color:var(--danger)}

@media (max-width:940px){.tool-layout{grid-template-columns:minmax(0,1fr)}.side{position:static}.steps,.related{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:700px){.nav{display:none}}
@media (max-width:560px){.steps,.related{grid-template-columns:minmax(0,1fr)}.footer-bottom{flex-direction:column;align-items:flex-start;gap:10px;white-space:normal}}

/* compact inline note: one line on the Tool tab, detail lives in a tooltip */
.state-note{
  display:flex;align-items:flex-start;gap:10px;
  margin-top:16px;padding:11px 13px;
  border:1px dashed var(--border);border-radius:var(--radius-sm);
  background:var(--bg-soft);font-size:13.5px;color:var(--text-dim);
}
.state-note svg{flex-shrink:0;width:16px;height:16px;margin-top:3px;color:var(--text-faint)}
.state-note span{min-width:0}
.tip .tip-body strong{color:var(--warn);font-weight:600;display:block;margin-bottom:3px}