/* Sort My List */

:root {
  --bg: #f7f8fa;
  --surface: #ffffff;
  --surface-2: #eef1f5;
  --text: #1c2330;
  --muted: #5b6577;
  --border: #d6dbe3;
  --accent: #0a6fb0;
  --accent-hover: #075a90;
  --accent-text: #ffffff;
  --accent-soft: #e3f0fa;
  --good: #1d7a43;
  --bad: #b3261e;
  --focus: #3b9be0;
  --shadow: 0 1px 2px rgba(20, 30, 50, .06), 0 4px 16px rgba(20, 30, 50, .06);
  --radius: 10px;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #12161d;
    --surface: #1a2029;
    --surface-2: #232b36;
    --text: #e6eaf0;
    --muted: #9aa5b5;
    --border: #323c4a;
    --accent: #4ba6e6;
    --accent-hover: #6db8ee;
    --accent-text: #0b1520;
    --accent-soft: #1d3247;
    --good: #5cc98a;
    --bad: #f08a80;
    --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 4px 16px rgba(0, 0, 0, .25);
    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: 16px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

a { color: var(--accent); }
a:hover { color: var(--accent-hover); }

:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; }

.wrap { max-width: 1120px; margin: 0 auto; padding: 0 16px; }

/* ---------------------------------------------------------------- header */

.site-header { background: var(--surface); border-bottom: 1px solid var(--border); }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 56px; }

.logo { display: flex; align-items: center; gap: 10px; color: var(--text); text-decoration: none; font-weight: 700; font-size: 1.15rem; letter-spacing: -.01em; }
.logo svg { flex: none; }
.logo:hover { color: var(--text); }

.site-nav { display: flex; gap: 4px; flex-wrap: wrap; }
.site-nav a { color: var(--muted); text-decoration: none; padding: 6px 10px; border-radius: 6px; font-size: .95rem; }
.site-nav a:hover, .site-nav a[aria-current] { color: var(--text); background: var(--surface-2); }

/* ------------------------------------------------------------------ main */

main { padding: 24px 0 48px; }

.page-head h1 { font-size: clamp(1.6rem, 4vw, 2.2rem); line-height: 1.2; margin: 0 0 8px; letter-spacing: -.02em; }
.page-head .lede { margin: 0 0 20px; color: var(--muted); font-size: 1.05rem; max-width: 760px; }

.breadcrumb { font-size: .9rem; color: var(--muted); margin-bottom: 8px; }
.breadcrumb a { color: var(--muted); }

/* ------------------------------------------------------------------ tool */

.tool {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.toolbar { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; padding: 12px; border-bottom: 1px solid var(--border); }
.toolbar .spacer { flex: 1 1 auto; }
.toolbar .group { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; }
.toolbar .divider { width: 1px; align-self: stretch; background: var(--border); margin: 0 2px; }

.btn {
  appearance: none;
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  min-height: 38px; padding: 7px 14px;
  border: 1px solid var(--border); border-radius: 8px;
  background: var(--surface); color: var(--text);
  font: inherit; font-size: .95rem; font-weight: 500; line-height: 1.2;
  cursor: pointer; white-space: nowrap;
  transition: background-color .12s, border-color .12s;
}
.btn:hover { background: var(--surface-2); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-text); font-weight: 600; }
.btn.primary:hover { background: var(--accent-hover); border-color: var(--accent-hover); }
.btn.quiet { border-color: transparent; background: transparent; color: var(--muted); padding: 7px 10px; }
.btn.quiet:hover { background: var(--surface-2); color: var(--text); }
.btn.small { min-height: 30px; padding: 4px 10px; font-size: .85rem; }

textarea.list {
  display: block; width: 100%; min-height: 340px; resize: vertical;
  margin: 0; padding: 14px 16px; border: 0;
  background: var(--surface); color: var(--text);
  font: 15px/1.55 var(--mono); tab-size: 8;
}
textarea.list:focus { outline: none; box-shadow: inset 0 0 0 2px var(--focus); }

.statusbar { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 4px 16px; padding: 8px 14px; border-top: 1px solid var(--border); font-size: .85rem; color: var(--muted); background: var(--surface-2); border-radius: 0 0 var(--radius) var(--radius); }
.status-msg { color: var(--good); font-weight: 500; }
.status-msg.bad { color: var(--bad); }

.options { padding: 12px; border-bottom: 1px solid var(--border); display: flex; flex-wrap: wrap; gap: 10px 20px; align-items: center; font-size: .92rem; }
.options label { display: inline-flex; align-items: center; gap: 6px; }
.options .field { display: inline-flex; align-items: center; gap: 6px; }

input[type=text], input[type=number], select {
  font: inherit; font-size: .92rem; color: var(--text); background: var(--surface);
  border: 1px solid var(--border); border-radius: 6px; padding: 6px 8px; min-height: 34px;
}
input.short { width: 5.5em; }
input.tiny { width: 3.5em; }
input[type=checkbox] { width: 16px; height: 16px; accent-color: var(--accent); }

.privacy-note { display: flex; align-items: center; gap: 6px; }

/* full editor menus */
.menubar { display: flex; flex-wrap: wrap; gap: 4px; padding: 8px 12px 0; }
details.menu { position: relative; }
details.menu > summary { list-style: none; cursor: pointer; padding: 6px 12px; border-radius: 6px; font-weight: 500; font-size: .95rem; user-select: none; }
details.menu > summary::-webkit-details-marker { display: none; }
details.menu > summary::after { content: " ▾"; color: var(--muted); font-size: .8em; }
details.menu > summary:hover, details.menu[open] > summary { background: var(--surface-2); }
.menu-panel {
  position: absolute; z-index: 20; top: calc(100% + 4px); left: 0;
  min-width: 250px; max-width: calc(100vw - 32px);
  background: var(--surface); border: 1px solid var(--border); border-radius: 8px; box-shadow: var(--shadow);
  padding: 6px;
}
.menu-panel h4 { margin: 8px 8px 4px; font-size: .75rem; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); }
.menu-panel button.item { display: block; width: 100%; text-align: left; padding: 7px 10px; border: 0; border-radius: 6px; background: none; color: var(--text); font: inherit; font-size: .93rem; cursor: pointer; }
.menu-panel button.item:hover { background: var(--accent-soft); }
.menu-panel .form { padding: 6px 8px; display: grid; gap: 8px; font-size: .92rem; }
.menu-panel .form .row { display: flex; gap: 6px; flex-wrap: wrap; align-items: center; }
.menu-panel.wide { min-width: 320px; }

/* ----------------------------------------------------------- compare */

.compare-inputs { display: grid; grid-template-columns: 1fr 1fr; gap: 0; }
.compare-inputs > div + div { border-left: 1px solid var(--border); }
.compare-inputs label { display: block; padding: 10px 16px 0; font-weight: 600; }
.compare-inputs textarea.list { min-height: 260px; }
.compare-results { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 12px; padding: 12px; border-top: 1px solid var(--border); }
.result-box { border: 1px solid var(--border); border-radius: 8px; overflow: hidden; background: var(--surface); }
.result-head { display: flex; align-items: center; justify-content: space-between; gap: 8px; padding: 8px 10px; background: var(--surface-2); }
.result-head h3 { margin: 0; font-size: .95rem; }
.pill { display: inline-block; min-width: 1.6em; padding: 0 6px; border-radius: 999px; background: var(--accent-soft); color: var(--accent); font-size: .8rem; text-align: center; }
.result-box textarea { display: block; width: 100%; height: 200px; border: 0; padding: 8px 10px; resize: vertical; font: 14px/1.5 var(--mono); background: var(--surface); color: var(--text); }

/* -------------------------------------------------------------- ads */

.ad { margin: 24px auto; text-align: center; min-height: 100px; }
.ad-label { display: block; font-size: .7rem; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); margin-bottom: 4px; }

/* ----------------------------------------------------------- content */

.content-grid { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 40px; margin-top: 32px; }
.article { max-width: 760px; }
.article h2 { font-size: 1.4rem; line-height: 1.3; margin: 32px 0 10px; letter-spacing: -.01em; }
.article h2:first-child { margin-top: 0; }
.article h3 { font-size: 1.1rem; margin: 22px 0 6px; }
.article ol, .article ul { padding-left: 1.4em; }
.article li { margin: 4px 0; }
.article code, .article kbd { font-family: var(--mono); font-size: .9em; background: var(--surface-2); padding: 1px 5px; border-radius: 4px; }

.example { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin: 12px 0; }
.example figure { margin: 0; border: 1px solid var(--border); border-radius: 8px; background: var(--surface); overflow: hidden; }
.example figcaption { font-size: .8rem; font-weight: 600; color: var(--muted); padding: 6px 12px; background: var(--surface-2); text-transform: uppercase; letter-spacing: .05em; }
.example pre { margin: 0; padding: 10px 12px; font: 14px/1.5 var(--mono); white-space: pre-wrap; word-break: break-word; }

.faq details { border-bottom: 1px solid var(--border); padding: 10px 0; }
.faq summary { cursor: pointer; font-weight: 600; }
.faq details p { margin: 8px 0 0; color: var(--text); }

.sidebar .card { position: sticky; top: 16px; }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; }
.card h2 { font-size: 1rem; margin: 0 0 8px; }
.card ul { list-style: none; margin: 0; padding: 0; }
.card li a { display: block; padding: 4px 0; text-decoration: none; }

.tool-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 12px; margin: 12px 0 0; padding: 0; list-style: none; }
.tool-grid a { display: block; height: 100%; padding: 12px 14px; background: var(--surface); border: 1px solid var(--border); border-radius: 8px; text-decoration: none; color: var(--text); }
.tool-grid a:hover { border-color: var(--accent); }
.tool-grid strong { display: block; color: var(--accent); }
.tool-grid span { display: block; font-size: .88rem; color: var(--muted); line-height: 1.4; margin-top: 2px; }
.tool-group-title { margin: 28px 0 0; font-size: 1.1rem; }

/* ------------------------------------------------------------ footer */

.site-footer { border-top: 1px solid var(--border); background: var(--surface); color: var(--muted); font-size: .9rem; padding: 24px 0 32px; }
.site-footer .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px 24px; }
.site-footer nav { display: flex; flex-wrap: wrap; gap: 6px 16px; }
.site-footer a { color: var(--muted); }

#print-area { display: none; }

/* ------------------------------------------------------------ mobile */

@media (max-width: 900px) {
  .content-grid { grid-template-columns: 1fr; gap: 24px; }
  .sidebar .card { position: static; }
}

@media (max-width: 640px) {
  .site-nav { display: none; }
  main { padding-top: 16px; }
  .toolbar { padding: 10px; }
  .btn { padding: 7px 11px; }
  textarea.list { min-height: 260px; font-size: 16px; }
  .compare-inputs { grid-template-columns: 1fr; }
  .compare-inputs > div + div { border-left: 0; border-top: 1px solid var(--border); }
  .example { grid-template-columns: 1fr; }
  .menu-panel { position: fixed; left: 16px; right: 16px; top: auto; min-width: 0; max-height: 65vh; overflow-y: auto; }
}

/* ------------------------------------------------------------- print */

@media print {
  body { background: #fff; color: #000; }
  body > *:not(#print-area) { display: none !important; }
  #print-area { display: block !important; white-space: pre-wrap; font: 12pt/1.5 var(--mono); }
}