/* ============================================================
   AI Prompt Hub — public stylesheet
   Light, fast, content-first. No frameworks.
   ============================================================ */
:root{
  --ink:#131a2b; --ink-2:#3c465e; --muted:#66708a;
  --bg:#f6f7fb; --card:#ffffff; --line:#e3e7f0;
  --brand:#4f46e5; --brand-2:#6d28d9; --brand-ink:#ffffff;
  --accent:#0ea5e9; --green:#16a34a; --amber:#d97706; --red:#dc2626;
  --radius:14px; --shadow:0 1px 2px rgba(16,24,40,.05),0 8px 24px -12px rgba(16,24,40,.12);
  --shadow-lg:0 2px 4px rgba(16,24,40,.06),0 18px 40px -18px rgba(16,24,40,.22);
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--font);color:var(--ink);background:var(--bg);line-height:1.6;font-size:16px}
img,svg{vertical-align:middle;max-width:100%}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}
p{margin:.6rem 0}
h1,h2,h3,h4{line-height:1.25;color:var(--ink);letter-spacing:-.015em}
h1{font-size:clamp(1.7rem,4vw,2.5rem);margin:.4rem 0 .8rem}
h2{font-size:clamp(1.25rem,2.6vw,1.7rem);margin:0 0 .9rem}
h3{font-size:1.15rem;margin:1.4rem 0 .5rem}
.container{max-width:1160px;margin:0 auto;padding:0 18px}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--ink);color:#fff;padding:.5rem 1rem;z-index:200;border-radius:0 0 8px 0}
.skip-link:focus{left:0;color:#fff}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.45rem;font:600 .95rem/1 var(--font);
  padding:.72rem 1.15rem;border-radius:10px;border:1px solid transparent;cursor:pointer;transition:.15s;
  text-decoration:none!important;white-space:nowrap}
.btn:active{transform:translateY(1px)}
.btn-primary{background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;box-shadow:0 6px 16px -6px rgba(79,70,229,.55)}
.btn-primary:hover{filter:brightness(1.07)}
.btn-outline{background:#fff;border-color:var(--line);color:var(--ink)}
.btn-outline:hover{border-color:var(--brand);color:var(--brand)}
.btn-ghost{background:transparent;color:inherit;border-color:transparent}
.btn-ghost:hover{background:rgba(255,255,255,.12)}
.btn-dark{background:var(--ink);color:#fff}
.btn-soft{background:#eef0ff;color:var(--brand)}
.btn-soft:hover{background:#e2e5ff}
.btn-sm{padding:.5rem .8rem;font-size:.85rem;border-radius:8px}
.btn-lg{padding:.95rem 1.6rem;font-size:1.05rem;border-radius:12px}
.btn-block{width:100%}
.btn .icon{font-size:1.05em}

/* ---------- Header ---------- */
.site-header{background:linear-gradient(180deg,#101631 0%,#141b3d 100%);color:#dfe4f5;position:sticky;top:0;z-index:100;box-shadow:0 4px 18px rgba(10,15,40,.35)}
.header-inner{display:flex;align-items:center;gap:1rem;min-height:62px;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:.55rem;color:#fff!important;font-weight:800;font-size:1.16rem;letter-spacing:-.02em}
.brand-mark{display:inline-flex;color:#a5b4fc}
.brand-text{white-space:nowrap}
.main-nav{display:flex;gap:.15rem;flex:1;flex-wrap:wrap}
.main-nav a{color:#c9d2f5;padding:.5rem .7rem;border-radius:8px;font-size:.95rem}
.main-nav a:hover{color:#fff;background:rgba(255,255,255,.08);text-decoration:none}
.header-actions{display:flex;gap:.45rem;align-items:center;margin-left:auto}
.header-actions .btn-ghost{color:#dfe4f5}
.fav-count-badge{font-size:.8em;opacity:.95}
.nav-toggle{display:none;background:none;border:0;width:42px;height:42px;border-radius:8px;cursor:pointer;flex-direction:column;justify-content:center;align-items:center;gap:5px}
.nav-toggle span{width:20px;height:2px;background:#dfe4f5;display:block;border-radius:2px;transition:.2s}
.mobile-search-bar{display:none;padding:0 18px 12px}
.mobile-search-bar .search-form{max-width:none}
.site-header.is-open .nav-toggle span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.site-header.is-open .nav-toggle span:nth-child(2){opacity:0}
.site-header.is-open .nav-toggle span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- Search form ---------- */
.search-form{display:flex;gap:.5rem;max-width:640px;margin:0 auto;background:#fff;padding:.4rem;border-radius:14px;box-shadow:var(--shadow-lg);border:1px solid var(--line)}
.search-form input{flex:1;min-width:0;border:0;outline:0;font-size:1rem;padding:.5rem .9rem;color:var(--ink);background:transparent}
.hero-search{max-width:720px}
.search-form--compact{max-width:none;background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.14);box-shadow:none}
.search-form--compact input{color:#fff;font-size:.92rem}
.search-form--compact input::placeholder{color:#9aa4cf}
.search-form--compact svg{margin-left:.6rem;align-self:center;color:#9aa4cf}

/* ---------- Hero ---------- */
.hero{background:
  radial-gradient(900px 380px at 85% -10%,rgba(109,40,217,.35),transparent 60%),
  radial-gradient(700px 320px at 0% 10%,rgba(14,165,233,.22),transparent 55%),
  linear-gradient(160deg,#0e1430 0%,#171e45 55%,#1c1440 100%);
  color:#e6e9fb;text-align:center;padding:4.2rem 18px 4.6rem}
.hero h1{color:#fff;font-size:clamp(1.9rem,5vw,3rem);margin-bottom:.6rem;letter-spacing:-.03em}
.hero h1 .grad{background:linear-gradient(90deg,#a5b4fc,#67e8f9,#c4b5fd);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero .lede{max-width:640px;margin:.2rem auto 1.6rem;color:#b9c2ea;font-size:1.08rem}
.hero-actions{display:flex;gap:.8rem;justify-content:center;flex-wrap:wrap;margin-top:1.2rem}
.hero-stats{display:flex;gap:2.4rem;justify-content:center;margin-top:2.4rem;flex-wrap:wrap;color:#aeb7e4;font-size:.9rem}
.hero-stats b{display:block;color:#fff;font-size:1.5rem}

/* ---------- Sections ---------- */
.section{padding:3rem 0}
.section-head{display:flex;align-items:baseline;justify-content:space-between;gap:1rem;margin-bottom:1.3rem;flex-wrap:wrap}
.section-head h2{margin:0}
.section-head .link{font-size:.92rem;font-weight:600}
.muted{color:var(--muted)}
.small{font-size:.85rem}

/* ---------- Cards ---------- */
.grid{display:grid;gap:1rem}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:1.15rem;transition:.15s}
.card-hover:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg)}
.prompt-card{display:flex;flex-direction:column;gap:.55rem;position:relative}
.prompt-card h3{margin:0;font-size:1.02rem;line-height:1.35}
.prompt-card h3 a{color:var(--ink)}
.prompt-card h3 a:hover{color:var(--brand);text-decoration:none}
.prompt-card p{color:var(--muted);font-size:.9rem;margin:0;flex:1}
.prompt-card .excerpt{display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.card-meta{display:flex;gap:.35rem .6rem;flex-wrap:wrap;align-items:center;font-size:.78rem;color:var(--muted)}
.chip{display:inline-flex;align-items:center;gap:.25rem;background:#eef1f8;color:#4a5470;padding:.18rem .55rem;border-radius:999px;font-weight:600;font-size:.76rem;text-decoration:none!important}
.chip:hover{background:#e3e7f3;color:var(--brand)}
.chip.brand{background:#eef0ff;color:var(--brand)}
.chip .dot{width:6px;height:6px;border-radius:50%;display:inline-block}
.dot.green{background:var(--green)}.dot.amber{background:var(--amber)}.dot.red{background:var(--red)}.dot.gray{background:#94a3b8}
.card-foot{display:flex;align-items:center;justify-content:space-between;gap:.5rem;margin-top:.15rem}
.copy-mini{display:inline-flex;align-items:center;gap:.3rem;background:#eef0ff;color:var(--brand);border:0;font:600 .8rem/1 var(--font);padding:.4rem .7rem;border-radius:8px;cursor:pointer}
.copy-mini:hover{background:#e0e4ff}
.stat-mini{color:var(--muted);font-size:.78rem;display:inline-flex;gap:.2rem;align-items:center}

/* Category tile */
.cat-tile{display:flex;flex-direction:column;gap:.2rem}
.cat-tile .cat-ico{font-size:1.6rem;line-height:1}
.cat-tile h3{margin:.4rem 0 0;font-size:1rem}
.cat-tile h3 a{color:var(--ink)}
.cat-tile p{margin:0;color:var(--muted);font-size:.82rem}

/* ---------- Prompt detail ---------- */
.prompt-head{padding:2.4rem 0 1.6rem}
.crumbs{font-size:.85rem;color:var(--muted);margin-bottom:.8rem;display:flex;flex-wrap:wrap;gap:.25rem;align-items:center}
.crumbs a{color:var(--muted)}
.crumbs a:hover{color:var(--brand)}
.crumbs .sep{opacity:.5;margin:0 .3rem}
.prompt-box{background:#0f1430;color:#e8ecff;border-radius:16px;padding:1.3rem 1.4rem;font-family:var(--mono);font-size:.92rem;white-space:pre-wrap;word-break:break-word;position:relative;max-height:480px;overflow:auto;line-height:1.65}
.copy-bar{display:flex;gap:.55rem;margin:1rem 0 .4rem;flex-wrap:wrap;align-items:center}
.copy-bar .btn{min-height:46px}
.meta-row{display:flex;flex-wrap:wrap;gap:.5rem;align-items:center;margin:.9rem 0}
.actions-row{display:flex;gap:.6rem;flex-wrap:wrap;align-items:center;margin-top:1rem}
.page-stats{color:var(--muted);font-size:.85rem;display:inline-flex;gap:1rem;margin-left:auto}
.page-stats .stat{display:inline-flex;gap:.3rem;align-items:center}

/* customize */
.var-form{display:grid;gap:1rem;margin-top:1.2rem}
.field label{display:block;font-weight:600;font-size:.9rem;margin-bottom:.3rem}
.field .hint{font-size:.78rem;color:var(--muted);font-weight:400;margin-left:.4rem}
.input,select.input,textarea.input{width:100%;border:1px solid var(--line);border-radius:10px;padding:.65rem .85rem;font:inherit;background:#fff;color:var(--ink)}
.input:focus{outline:2px solid #c7cbff;border-color:var(--brand)}
textarea.input{min-height:120px;resize:vertical;line-height:1.55}
textarea.code-input{font-family:var(--mono);font-size:.88rem;min-height:150px}
details.panel{border:1px solid var(--line);border-radius:12px;background:#fff;margin:1rem 0;overflow:hidden}
details.panel summary{cursor:pointer;padding:.85rem 1.05rem;font-weight:700;list-style:none;display:flex;align-items:center;gap:.5rem}
details.panel summary::-webkit-details-marker{display:none}
details.panel summary::after{content:"▾";margin-left:auto;color:var(--muted);transition:.2s}
details.panel[open] summary::after{transform:rotate(180deg)}
details.panel .panel-body{padding:.3rem 1.05rem 1.05rem;border-top:1px solid var(--line)}
details.panel[open] .panel-body{margin-top:.6rem;padding-top:.9rem}

/* ---------- Prompts list page ---------- */
.filters-bar{background:#fff;border:1px solid var(--line);border-radius:14px;padding:1rem;margin-bottom:1.4rem;box-shadow:var(--shadow)}
.filters-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:.6rem}
.filter-search{grid-column:1/-1}
.pagination{display:flex;gap:.35rem;justify-content:center;margin:2rem 0;flex-wrap:wrap}
.pagination a,.pagination span{display:inline-flex;min-width:38px;height:38px;padding:0 .6rem;align-items:center;justify-content:center;border-radius:9px;border:1px solid var(--line);background:#fff;color:var(--ink);font-weight:600;font-size:.9rem}
.pagination a:hover{text-decoration:none;border-color:var(--brand);color:var(--brand)}
.pagination .cur{background:var(--brand);border-color:var(--brand);color:#fff}
.pagination .ell{background:none;border:none}

/* ---------- Tool pages ---------- */
.tool-hero{padding:3rem 0 2.4rem;text-align:center}
.tool-card{max-width:820px;margin:0 auto;padding:1.6rem}
.tool-grid{display:grid;grid-template-columns:240px 1fr;gap:1.4rem;align-items:start}
.tool-sidebar{position:sticky;top:84px;display:flex;flex-direction:column;gap:.35rem;font-size:.92rem}
.tool-sidebar .tool-link{display:block;padding:.5rem .8rem;border-radius:9px;color:var(--ink-2)}
.tool-sidebar .tool-link:hover{background:#eef1f8;text-decoration:none;color:var(--ink)}
.tool-sidebar .tool-link.active{background:#eef0ff;color:var(--brand);font-weight:700}
.result-box{background:#0f1430;color:#e8ecff;border-radius:14px;padding:1.2rem;font-family:var(--mono);font-size:.88rem;white-space:pre-wrap;word-break:break-word;max-height:520px;overflow:auto}
.result-box pre{margin:0;white-space:pre-wrap}
.result-actions{display:flex;gap:.55rem;flex-wrap:wrap;margin-top:1rem}
.tool-output{padding:.5rem 0 3rem}
.spinner{display:none;text-align:center;padding:2rem;color:var(--muted)}
.spinner.on{display:block}
.spinner .ring{width:34px;height:34px;border:3px solid var(--line);border-top-color:var(--brand);border-radius:50%;margin:0 auto .8rem;animation:spin .8s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.alert{border-radius:12px;padding:.9rem 1.1rem;margin:1rem 0;font-size:.95rem;border:1px solid}
.alert-info{background:#eef6ff;border-color:#bcd9ff;color:#14508c}
.alert-warn{background:#fff8e8;border-color:#f5dfae;color:#7a5412}
.alert-error{background:#fdeeee;border-color:#f6c9c9;color:#8c1d1d}
.alert-ok{background:#eefaf0;border-color:#bfe8c9;color:#166534}
.notice{font-size:.82rem;color:var(--muted);margin-top:.4rem}
.usage-chip{margin-top:1rem;font-size:.85rem;color:var(--muted)}
.usage-chip b{color:var(--ink)}

/* ---------- Collections ---------- */
.collection-card h3{margin:0 0 .3rem}
.collection-cover{height:110px;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:2.4rem;
  background:linear-gradient(135deg,#eef0ff,#fdf2f8);margin-bottom:.7rem}

/* ---------- Breadcrumb in listings ---------- */
.page-head{padding:2.2rem 0 1rem}
.page-head p{max-width:720px;color:var(--muted)}

/* ---------- Auth / account ---------- */
.auth-wrap{min-height:calc(100vh - 200px);display:flex;align-items:center;justify-content:center;padding:2.5rem 18px}
.auth-card{width:100%;max-width:430px;background:#fff;border:1px solid var(--line);border-radius:18px;padding:2rem;box-shadow:var(--shadow-lg)}
.auth-card h1{font-size:1.5rem;text-align:center}
.auth-alt{text-align:center;font-size:.9rem;color:var(--muted);margin-top:1.1rem}

/* ---------- Empty states ---------- */
.empty{padding:3.2rem 1.2rem;text-align:center;color:var(--muted)}
.empty .empty-ico{font-size:2.6rem;margin-bottom:.5rem;opacity:.55}
.empty h3{color:var(--ink-2)}

/* ---------- Footer ---------- */
.site-footer{background:#0f1430;color:#b9c2ea;margin-top:2.5rem;font-size:.93rem}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:2rem;padding:2.6rem 18px 2rem}
.footer-grid nav{display:flex;flex-direction:column;gap:.45rem}
.footer-grid strong{color:#fff;margin-bottom:.3rem;font-size:.98rem}
.footer-grid a{color:#b9c2ea}
.footer-grid a:hover{color:#fff}
.footer-brand p{margin:.4rem 0 0;max-width:300px;font-size:.86rem;color:#8f99c8}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding:1.1rem 0;font-size:.85rem}
.footer-inline{display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap}
.footer-links{display:flex;gap:1rem}
.footer-links a{color:#8f99c8}

/* ---------- Ads (clearly labeled, unobtrusive) ---------- */
.ad-slot{background:#fff;border:1px dashed var(--line);border-radius:12px;margin:1rem auto;max-width:728px;overflow:hidden;text-align:center}
.ad-slot .ad-label{font-size:.62rem;letter-spacing:.14em;text-transform:uppercase;color:#9aa3b8;padding:.4rem 0 0;background:transparent}
.ad-slot .ad-content{padding:.6rem}
.site-header+.ad-slot{margin-top:1rem}

/* ---------- Misc ---------- */
.flash{padding:.8rem 0;font-size:.95rem}
.flash-info{background:#eef6ff;border-bottom:1px solid #d3e6fb;color:#14508c}
.flash-error{background:#fdeeee;border-bottom:1px solid #f3cccc;color:#8c1d1d}
.flash-ok{background:#eefaf0;border-bottom:1px solid #c5e8cf;color:#166534}
.crumb{color:var(--muted)}
.row{display:flex;gap:1rem;flex-wrap:wrap;align-items:center}
.grow{flex:1}
.text-center{text-align:center}
.mt-1{margin-top:.5rem}.mt-2{margin-top:1rem}.mt-3{margin-top:1.5rem}.mb-1{margin-bottom:.5rem}.mb-2{margin-bottom:1rem}
.tag-list{display:flex;gap:.4rem;flex-wrap:wrap}
.tag-list a{background:#eef1f8;border-radius:999px;padding:.22rem .7rem;font-size:.8rem;font-weight:600;color:#4a5470}
.tag-list a:hover{background:#e0e4ff;color:var(--brand);text-decoration:none}
.tool-tagline{color:var(--muted);max-width:640px;margin:.3rem auto 1.6rem}

/* Prompt page layout */
.prompt-layout{display:grid;grid-template-columns:1fr 300px;gap:1.6rem;align-items:start}
.side-col{display:flex;flex-direction:column;gap:1rem;position:sticky;top:84px}
.side-box{background:#fff;border:1px solid var(--line);border-radius:14px;padding:1.05rem}
.side-box h3{margin:0 0 .6rem;font-size:1rem}
.side-box ul{margin:0;padding-left:1.1rem;color:var(--ink-2);font-size:.92rem;display:flex;flex-direction:column;gap:.35rem}
.side-box a{color:var(--ink-2)}
.side-box a:hover{color:var(--brand)}
.article-body{color:#2a3147;font-size:1.02rem}
.article-body ul,.article-body ol{padding-left:1.4rem}
.article-body code{background:#eef1f8;border-radius:6px;padding:.1rem .4rem;font-size:.88em;font-family:var(--mono)}
.article-body h3{font-size:1.12rem}

/* ---------- Responsive ---------- */
@media (max-width:960px){
  .grid-3,.grid-4{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .prompt-layout{grid-template-columns:1fr}
  .side-col{position:static}
  .tool-grid{grid-template-columns:1fr}
  .tool-sidebar{position:static;flex-direction:row;flex-wrap:wrap}
}
@media (max-width:720px){
  .nav-toggle{display:flex}
  .main-nav{display:none;width:100%;order:4;flex-direction:column}
  .main-nav.open{display:flex}
  .header-actions .btn-ghost{display:none}
  .mobile-search-bar{display:block}
  .hero{padding:3rem 18px 3.2rem}
  .section{padding:2.2rem 0}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
  .hero-stats{gap:1.4rem}
  .footer-grid{grid-template-columns:1fr;gap:1.4rem}
  .copy-bar{flex-direction:column}
  .copy-bar .btn{width:100%}
  .result-actions .btn{flex:1}
}
@media (max-width:420px){
  body{font-size:15px}
  .header-actions .btn-sm{font-size:.8rem;padding:.45rem .6rem}
  .btn-sm{white-space:normal}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto}
}

/* ---------- Prompt extras ---------- */
.lede{color:var(--muted)}
.var-table{width:100%;border-collapse:collapse;font-size:.92rem}
.var-table th,.var-table td{border:1px solid var(--line);padding:.5rem .7rem;text-align:left;vertical-align:top}
.var-table th{background:#f6f7fb;font-size:.85rem}
.var-table code{background:#eef1f8;border-radius:6px;padding:.12rem .45rem;font-family:var(--mono);font-size:.85em;white-space:nowrap}