/* wordsearchtwist site — shared styles */
:root{
  --bg:#FAFAF8;
  --panel:#FFFFFF;
  --line:#E4E2DB;
  --ink:#181A17;
  --muted:#6B6F67;
  --accent:#0F8F5F;
  --accent-light:#E4F5EC;
  --tape:#F4C93B;
  --error:#B3261E;
  --error-bg:#FBEAEA;
}
/* Dark mode: system-preference default (unless overridden below), plus an
   explicit override once the user picks a side via the nav toggle (see
   theme.js and the inline script in base.html's <head> that applies this
   attribute before first paint, to avoid a flash of the wrong theme). */
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --bg:#15170F;
    --panel:#1D2017;
    --line:#33362B;
    --ink:#F4F3EE;
    --muted:#9CA192;
    --accent:#2ECC8F;
    --accent-light:#153224;
    --tape:#F4C93B;
    --error:#FF8A80;
    --error-bg:#3A1B1B;
  }
}
:root[data-theme="dark"]{
  --bg:#15170F;
  --panel:#1D2017;
  --line:#33362B;
  --ink:#F4F3EE;
  --muted:#9CA192;
  --accent:#2ECC8F;
  --accent-light:#153224;
  --tape:#F4C93B;
  --error:#FF8A80;
  --error-bg:#3A1B1B;
}
*{box-sizing:border-box;}
body{margin:0;background:var(--bg);color:var(--ink);font-family:'Inter',sans-serif;-webkit-font-smoothing:antialiased;transition:background-color .15s ease,color .15s ease;}
h1,h2,h3{font-family:'Space Grotesk',sans-serif;margin:0;font-weight:600;}
a{color:inherit;}
.wrap{max-width:1080px;margin:0 auto;padding:0 28px;}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;}

/* nav (base.html) */
nav{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;row-gap:10px;padding:22px 0;border-bottom:1px solid var(--line);}
.brand{font-family:'Space Grotesk';font-weight:700;font-size:16px;letter-spacing:-0.01em;}
.brand .dot{color:var(--accent);}
.navlinks{display:flex;flex-wrap:wrap;gap:8px;font-size:14px;}
.navlinks a{padding:8px 4px;text-decoration:none;color:var(--muted);border-bottom:2px solid transparent;}
.navlinks a.active{color:var(--ink);border-color:var(--accent);font-weight:500;}
.theme-toggle{background:none;border:none;margin-left:4px;padding:6px;display:inline-flex;align-items:center;justify-content:center;color:var(--muted);border-radius:6px;cursor:pointer;}
.theme-toggle:hover{color:var(--ink);}
.theme-toggle .icon-moon{display:none;}
:root[data-theme="dark"] .theme-toggle .icon-sun{display:none;}
:root[data-theme="dark"] .theme-toggle .icon-moon{display:block;}

/* hero / wordmark (index.html) */
header.hero{padding:70px 0 20px;text-align:center;}
.hero-img{max-width:100%;width:auto;height:auto;margin:0 auto 34px;display:block;}
.kicker{font-size:13px;color:var(--accent);font-weight:500;letter-spacing:0.08em;text-transform:uppercase;margin-bottom:28px;}
.wordmark{position:relative;height:150px;max-width:640px;margin:0 auto 30px;}
.wordmark span{position:absolute;top:50%;left:50%;font-family:'Space Grotesk';font-weight:700;background:var(--tape);color:var(--ink);padding:10px 0;box-shadow:0 3px 0 rgba(0,0,0,0.08);white-space:nowrap;}
.wm-top{font-size:40px;letter-spacing:0.02em;padding-left:22px!important;padding-right:22px!important;transform:translate(-50%,-50%) rotate(-2.5deg);}
.wm-bottom{font-size:40px;letter-spacing:0.02em;padding-left:22px!important;padding-right:22px!important;transform:translate(-38%,10%) rotate(3deg);top:78%!important;}
.sub{font-size:18px;color:var(--muted);max-width:480px;margin:0 auto 34px;line-height:1.6;}
.herobtns{display:flex;gap:12px;align-items:center;justify-content:center;padding-bottom:60px;}
.btn-primary{background:var(--accent);color:#fff;padding:13px 24px;border-radius:8px;font-weight:600;text-decoration:none;font-size:15px;}
.btn-secondary{color:var(--ink);padding:13px 6px;text-decoration:none;font-size:15px;font-weight:500;border-bottom:1px solid var(--line);}

/* intro + photo */
section.intro{padding:60px 0;border-top:1px solid var(--line);}
.intro .wrap{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
.intro h2{font-size:28px;margin-bottom:18px;line-height:1.25;}
.intro p{color:var(--muted);font-size:16px;line-height:1.7;margin:0 0 14px;}
.photo{border-radius:14px;overflow:hidden;border:1px solid var(--line);background:var(--panel);aspect-ratio:4/3;display:flex;align-items:center;justify-content:center;color:var(--muted);font-size:13px;}
.photo img{width:100%;height:100%;object-fit:contain;}

/* the five mechanics (index.html + play.html reference) */
section.mechanics{padding:20px 0;}
.mechrow{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;padding:44px 0;border-top:1px solid var(--line);}
.mechrow:nth-child(even) .mechtext{order:2;}
.mechtext h3{font-size:20px;margin-bottom:10px;}
.mechtext p{color:var(--muted);font-size:15px;line-height:1.6;margin:0;}
.mechimg{border-radius:12px;overflow:hidden;border:1px solid var(--line);background:var(--panel);aspect-ratio:4/3;display:flex;align-items:center;justify-content:center;color:var(--muted);font-size:13px;}
.mechimg img{width:100%;height:100%;object-fit:cover;}

/* books */
section.books{padding:60px 0 80px;border-top:1px solid var(--line);text-align:center;}
.books h2{font-size:32px;margin-bottom:12px;}
.books p.lede{color:var(--muted);font-size:15px;margin:0 auto 36px;max-width:560px;line-height:1.6;}
.bookgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;text-align:left;}
.bookcard{border:1px solid var(--line);border-radius:14px;overflow:hidden;background:var(--panel);text-decoration:none;color:var(--ink);display:block;transition:transform .15s ease, box-shadow .15s ease;}
.bookcard:hover{transform:translateY(-3px);box-shadow:0 12px 24px rgba(24,26,23,0.08);}
.cover{position:relative;aspect-ratio:3/4;background:var(--panel);}
.cover img{width:100%;height:100%;object-fit:cover;display:block;}
.cover .tag{position:absolute;top:12px;left:12px;background:var(--tape);color:var(--ink);font-size:11px;font-weight:700;padding:4px 10px;border-radius:999px;}
.bookmeta{padding:14px 16px;}
.bookmeta b{display:block;font-family:'Space Grotesk';font-size:14px;margin-bottom:2px;}
.bookmeta span{font-size:13px;color:var(--muted);}

/* play page */
section.howto{padding:50px 0;}
.howto h1{font-size:32px;margin-bottom:10px;}
.howto .lede{color:var(--muted);font-size:16px;margin:0 0 40px;line-height:1.6;}
.quickref{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;margin-bottom:50px;}
.qcard{border:1px solid var(--line);border-radius:12px;padding:16px;background:var(--panel);}
.qcard .angle{font-family:'Space Grotesk';font-weight:700;color:var(--accent);font-size:13px;margin-bottom:6px;}
.qcard b{display:block;font-size:14px;margin-bottom:6px;}
.qcard span{font-size:12px;color:var(--muted);line-height:1.5;}
.puzzle-note{border:1px solid var(--line);border-radius:14px;background:var(--panel);padding:16px 20px;margin-bottom:24px;}
.puzzle-note h3{font-size:14px;font-family:'Space Grotesk';color:var(--accent);margin:0 0 6px;}
.puzzle-note p{color:var(--muted);font-size:14px;line-height:1.6;margin:0;}
.board{border:1px solid var(--line);border-radius:14px;background:var(--panel);padding:28px;}
.board h2{font-size:20px;text-align:center;margin-bottom:4px;}
.board > p{color:var(--muted);font-size:14px;text-align:center;margin:0 0 20px;}
.board .puzzle-grid{width:100%;grid-template-columns:repeat(var(--cols),1fr);}
.board .cell{width:auto;height:auto;aspect-ratio:1;font-size:var(--cell-font-size, clamp(14px,3vw,22px));}
.board .clear-hint{text-align:center;font-size:13px;color:var(--muted);margin:20px 0 0;}
.board h3{text-align:center;font-size:16px;margin:24px 0 12px;}
.board #word-list{column-width:15em;column-gap:28px;width:100%;margin:0 auto;text-align:left;}

/* how-to-play rules */
.how-to-play {
  line-height: 1.6;
  font-size: 15px;
  color: var(--ink);
  margin-bottom: 36px;
}

.how-to-play h3 {
  font-size: 20px;
  margin-bottom: 8px;
}

.how-to-play h4 {
  font-size: 15px;
  font-family: 'Space Grotesk', sans-serif;
  margin: 18px 0 6px;
}

.how-to-play p {
  color: var(--muted);
  margin: 0 0 10px;
}

.how-to-play strong {
  color: var(--ink);
}

.how-to-play .quirk-list {
  padding-left: 1.25rem;
  margin: 0 0 14px;
  color: var(--muted);
}

.how-to-play .quirk-list li {
  margin-bottom: 4px;
}

.how-to-play code {
  background-color: var(--panel);
  border: 1px solid var(--line);
  color: var(--ink);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 13px;
  font-weight: 600;
  font-family: inherit;
}

.how-to-play .tip {
  font-size: 13px;
  color: var(--muted);
  margin-top: 14px;
}

/* contact page */
section.contact{padding:50px 0 80px;}
.contact h1{font-size:32px;margin-bottom:10px;}
.contact .lede{color:var(--muted);font-size:16px;margin:0 0 32px;line-height:1.6;}
.contact-form{max-width:520px;display:flex;flex-direction:column;gap:6px;}
.contact-form label{font-size:14px;font-weight:500;margin-top:10px;}
.contact-form input[type=text],.contact-form input[type=email],.contact-form textarea{
  font:inherit;font-size:15px;padding:11px 14px;border:1px solid var(--line);border-radius:8px;background:var(--panel);color:var(--ink);
}
.contact-form textarea{min-height:140px;resize:vertical;}
.contact-form input:focus,.contact-form textarea:focus{outline:2px solid var(--accent);outline-offset:1px;}
.contact-form .errorlist{color:var(--error);font-size:13px;margin:4px 0 0;padding:0;list-style:none;}
.contact-form button{align-self:flex-start;margin-top:14px;border:none;cursor:pointer;}
.hp-field{position:absolute;left:-9999px;top:auto;width:1px;height:1px;overflow:hidden;}
.form-messages{list-style:none;padding:0;margin:0 0 24px;display:flex;flex-direction:column;gap:8px;}
.form-messages li{padding:12px 16px;border-radius:8px;font-size:14px;}
.form-messages li.success{background:var(--accent-light);color:var(--accent);}
.form-messages li.error{background:var(--error-bg);color:var(--error);}
.contact-form button.btn-primary{
  align-self:stretch;
  text-align:center;
}
/* privacy page */
.privacy-body{max-width:640px;}
.privacy-body h3{font-size:18px;margin:32px 0 10px;}
.privacy-body h3:first-child{margin-top:0;}
.privacy-body p{color:var(--muted);font-size:15px;line-height:1.7;margin:0 0 4px;}
.privacy-body a{color:var(--accent);text-decoration:underline;}
.privacy-updated{margin-top:28px;font-size:13px;color:var(--muted);}

/* puzzle stats page */
.table-scroll{overflow-x:auto;margin:0 0 40px;}
.stats-table{width:100%;border-collapse:collapse;margin:0;}
.stats-table th,.stats-table td{text-align:left;padding:8px 12px;border-bottom:1px solid var(--line);font-size:14px;white-space:nowrap;}
.stats-table th{color:var(--muted);font-weight:500;}

/* Series colours for the stats dashboard's trend chart (core/js/stats.js
   reads them), in fixed order: sessions, views, starts, completes. */
:root{--series-1:#2a78d6;--series-2:#eb6834;--series-3:#1baf7a;--series-4:#eda100;}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){--series-1:#3987e5;--series-2:#d95926;--series-3:#199e70;--series-4:#c98500;}
}
:root[data-theme="dark"]{--series-1:#3987e5;--series-2:#d95926;--series-3:#199e70;--series-4:#c98500;}

.stats-page{padding-block:32px 60px;}
.stats-page h1{font-size:28px;margin-bottom:8px;}
.stats-page h2{font-size:20px;margin-bottom:12px;}
.stats-page h3{font-size:16px;margin:20px 0 10px;}
.stats-help{color:var(--muted);font-size:13px;margin:0 0 12px;line-height:1.5;}
.stats-section{margin-bottom:44px;}
.stats-section .table-scroll{margin-bottom:12px;}
.stats-table td a,.stats-table th a{color:inherit;text-decoration:none;border-bottom:1px dotted var(--muted);}
.stats-table th a{display:inline-block;padding:4px 0;}
.stats-table tr.is-selected td{background:var(--accent-light);}
.stats-table tr.is-unmatched td.stats-puzzle-title{color:var(--muted);font-style:italic;}
.stats-puzzle-title{white-space:normal!important;min-width:180px;}

.stats-last-event{font-size:14px;color:var(--muted);margin:0 0 20px;}
.stats-last-event.is-stale{color:var(--error);background:var(--error-bg);padding:8px 12px;border-radius:8px;}

.stats-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:12px;margin-bottom:28px;}
.stats-card{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:16px;}
.stats-card h2{font-size:15px;margin:0 0 2px;}
.stats-card-dates{color:var(--muted);font-size:12px;margin:0 0 10px;line-height:1.5;}
.stats-card-hero{font-family:'Space Grotesk',sans-serif;font-size:30px;font-weight:600;margin:0 0 10px;display:flex;align-items:baseline;flex-wrap:wrap;gap:6px;}
.stats-card-hero > span:first-child{font-family:'Inter',sans-serif;font-size:13px;font-weight:400;color:var(--muted);}
.stats-card-counts{display:grid;grid-template-columns:repeat(3,1fr);gap:6px;margin:0;}
.stats-card-counts dt{font-size:11px;color:var(--muted);text-transform:uppercase;letter-spacing:0.04em;}
.stats-card-counts dd{margin:2px 0 0;font-size:15px;font-weight:500;}

.stats-change{display:inline-block;font-family:'Inter',sans-serif;font-size:12px;font-weight:500;padding:1px 6px;border-radius:999px;background:var(--line);color:var(--muted);white-space:nowrap;}
.stats-change.up{background:var(--accent-light);color:var(--accent);}
.stats-change.down{background:var(--error-bg);color:var(--error);}
.stats-change.up::before{content:"▲ ";font-size:9px;}
.stats-change.down::before{content:"▼ ";font-size:9px;}

.stats-filter{position:sticky;top:env(safe-area-inset-top,0px);z-index:5;background:var(--bg);border-bottom:1px solid var(--line);padding:12px 0;margin-bottom:28px;}
.stats-range-links,.stats-custom-range,.stats-puzzle-filters{display:flex;flex-wrap:wrap;gap:8px;align-items:center;}
.stats-range-links{margin-bottom:8px;}
.stats-custom-range label,.stats-puzzle-filters label{font-size:13px;color:var(--muted);display:flex;align-items:center;gap:6px;}
.stats-page input[type="date"],.stats-page input[type="search"],.stats-page select{font:inherit;font-size:14px;padding:6px 8px;border:1px solid var(--line);border-radius:8px;background:var(--panel);color:var(--ink);min-height:36px;}
.stats-page input[type="search"]{width:12em;max-width:100%;}
.stats-chip{display:inline-flex;align-items:center;min-height:36px;padding:6px 12px;border:1px solid var(--line);border-radius:999px;background:var(--panel);color:var(--ink);font:inherit;font-size:14px;text-decoration:none;cursor:pointer;}
.stats-chip.is-active{background:var(--ink);border-color:var(--ink);color:var(--bg);}
.stats-range-summary{font-size:13px;color:var(--muted);margin:8px 0 0;}

.stats-chart{position:relative;height:280px;background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:12px;}
.stats-notes{list-style:none;padding:0;margin:12px 0 0;font-size:13px;color:var(--muted);}
.stats-notes li{margin:4px 0;}
.stats-notes time{color:var(--ink);font-weight:500;margin-right:4px;}
.stats-note-marker{display:inline-block;width:0;height:12px;border-left:2px dashed var(--muted);margin-right:8px;vertical-align:middle;}
.stats-details{margin-top:12px;}
.stats-details summary{cursor:pointer;font-size:14px;color:var(--accent);padding:6px 0;}

.stats-funnel{list-style:none;padding:0;margin:0 0 12px;max-width:640px;}
.stats-funnel li{margin-bottom:12px;}
.stats-funnel-label{font-size:14px;margin-bottom:4px;}
.stats-funnel-rate{color:var(--muted);font-size:13px;}
.stats-funnel-track{height:14px;background:var(--line);border-radius:4px;overflow:hidden;}
.stats-funnel-bar{height:100%;background:var(--series-1);border-radius:4px;min-width:2px;}

.stats-drilldown{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:4px 16px 12px;}
.stats-drilldown h3{display:flex;justify-content:space-between;align-items:baseline;gap:12px;}
.stats-close{font-size:13px;font-weight:400;color:var(--accent);}
.stats-drilldown-grid{display:grid;grid-template-columns:1fr;gap:4px;}

.stats-warning{background:var(--error-bg);color:var(--error);border-radius:8px;padding:10px 14px;font-size:14px;margin-bottom:16px;}
.stats-warning ul{margin:6px 0 0;padding-left:20px;}
.stats-flag{font-size:12px;color:var(--error);white-space:nowrap;}
.stats-flag--mini{color:var(--accent);font-weight:600;}
.stats-puzzle-filters{margin-bottom:12px;}
.stats-pagination{display:flex;flex-wrap:wrap;align-items:center;gap:12px;font-size:14px;color:var(--muted);}

@media (max-width:600px){
  .stats-page h1{font-size:24px;}
  .stats-filter{position:static;}
  .stats-chart{height:240px;padding:8px;}
  .stats-table th,.stats-table td{padding:8px 8px;}
}

/* footer (base.html) */
footer{padding:28px 0;color:var(--muted);font-size:13px;border-top:1px solid var(--line);text-align:center;}

/* blog list & detail pages */
section.blog{padding:50px 0 80px;}
.blog h1{font-size:32px;margin-bottom:10px;}
.blog .lede{color:var(--muted);font-size:16px;margin:0 0 32px;line-height:1.6;}
.blog-list{display:flex;flex-direction:column;gap:16px;}
.blog-card{display:block;border:1px solid var(--line);border-radius:14px;padding:20px 22px;background:var(--panel);text-decoration:none;color:var(--ink);transition:transform .15s ease, box-shadow .15s ease;}
.blog-card:hover{transform:translateY(-2px);box-shadow:0 12px 24px rgba(24,26,23,0.08);}
.blog-card h2{font-size:19px;margin-bottom:4px;}
.blog-card-date{display:block;font-size:13px;color:var(--muted);margin-bottom:8px;}
.blog-card p{color:var(--muted);font-size:15px;line-height:1.6;margin:0;}
.post-body{max-width:640px;margin-top:24px;font-size:15px;line-height:1.7;color:var(--ink);}
.post-body h2,.post-body h3{margin:28px 0 10px;}
.post-body p{color:var(--muted);margin:0 0 14px;}
.post-body a{color:var(--accent);text-decoration:underline;}

/* homepage featured post */
.featured-post{border:1px solid var(--line);border-radius:14px;padding:22px 24px;background:var(--panel);margin:0 0 40px;}
.featured-post .kicker{margin-bottom:8px;}
.featured-post h3{font-size:19px;margin-bottom:6px;}
.featured-post p{color:var(--muted);font-size:15px;line-height:1.6;margin:0 0 10px;}
.featured-post a.read-more{color:var(--accent);font-size:14px;font-weight:500;text-decoration:none;}
.featured-post a.read-more:hover{text-decoration:underline;}

@media (max-width:720px){
  .intro .wrap{grid-template-columns:1fr;}
  .mechrow{grid-template-columns:1fr;}
  .mechrow:nth-child(even) .mechtext{order:0;}
  .bookgrid{grid-template-columns:1fr;}
  .quickref{grid-template-columns:1fr 1fr;}
  .wordmark{height:190px;}
  .wm-top,.wm-bottom{font-size:30px;}
}

@media (max-width:600px){
  .navlinks{justify-content:center;gap:4px 10px;}
  .navlinks a{padding:6px 2px;}
}

/* Reclaim horizontal space for the puzzle grid on narrow phones -- a
   30-column grid needs every pixel it can get once cell size starts
   mattering for legibility (see .board .cell's --cell-font-size, set in
   puzzle.js from the cell's own rendered size). */
@media (max-width:480px){
  .wrap{padding:0 14px;}
  .board{padding:16px;}
  .board .puzzle-grid{gap:1px;}
}