/* =========================================================
   TOOLS ARENA — design tokens
   ========================================================= */
@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@500;600;700&family=Inter:wght@400;500;600&family=JetBrains+Mono:wght@400;500&display=swap');

:root{
  --bg:            #f6f5f9;
  --bg-raised:     #ffffff;
  --bg-sunken:     #ebe9f2;
  --ink:           #17162a;
  --ink-dim:       #5b5872;
  --line:          #ddd9ea;
  --accent:        #6a3df5;
  --accent-ink:    #ffffff;
  --amber:         #e08a1e;
  --teal:          #0f9e8f;
  --danger:        #d64545;
  --grid-line:     rgba(23,22,42,0.05);
  --shadow:        0 1px 2px rgba(23,22,42,0.06), 0 8px 24px rgba(23,22,42,0.06);
  --radius:        14px;
  --radius-sm:     9px;
  --font-display:  'Space Grotesk', sans-serif;
  --font-body:     'Inter', sans-serif;
  --font-mono:     'JetBrains Mono', monospace;
}

html[data-theme="dark"]{
  --bg:            #0f0e17;
  --bg-raised:     #17162a;
  --bg-sunken:     #0b0a12;
  --ink:           #f1eefc;
  --ink-dim:       #a6a1c4;
  --line:          #2a2840;
  --accent:        #8b6bff;
  --accent-ink:    #0f0e17;
  --amber:         #f0a531;
  --teal:          #35d6c4;
  --danger:        #ff6b6b;
  --grid-line:     rgba(241,238,252,0.05);
  --shadow:        0 1px 2px rgba(0,0,0,0.3), 0 12px 32px rgba(0,0,0,0.45);
}

*{ box-sizing:border-box; }
html,body{ margin:0; padding:0; }
body{
  background:var(--bg);
  color:var(--ink);
  font-family:var(--font-body);
  line-height:1.5;
  -webkit-font-smoothing:antialiased;
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size:36px 36px;
  transition:background-color .25s ease, color .25s ease;
}
a{ color:inherit; text-decoration:none; }
h1,h2,h3,h4{ font-family:var(--font-display); margin:0 0 .4em; letter-spacing:-0.01em; }
p{ color:var(--ink-dim); }
code, .mono{ font-family:var(--font-mono); }
::selection{ background:var(--accent); color:var(--accent-ink); }

.container{ max-width:1180px; margin:0 auto; padding:0 24px; }

/* ---------- Header ---------- */
.site-header{
  position:sticky; top:0; z-index:50;
  backdrop-filter:blur(10px);
  background:color-mix(in srgb, var(--bg) 82%, transparent);
  border-bottom:1px solid var(--line);
}
.site-header .inner{
  display:flex; align-items:center; justify-content:space-between;
  height:68px;
}
.brand{ display:flex; align-items:center; gap:10px; font-family:var(--font-display); font-weight:700; font-size:19px; }
.brand .mark{
  width:30px; height:30px; border-radius:8px;
  background:linear-gradient(135deg, var(--accent), var(--teal));
  display:grid; place-items:center; color:#fff; font-size:14px; font-weight:700;
  box-shadow:var(--shadow);
}
.brand .tag{ color:var(--ink-dim); font-weight:500; font-size:11px; letter-spacing:.14em; text-transform:uppercase; margin-left:2px; }

nav.main-nav{ display:flex; align-items:center; gap:26px; }
nav.main-nav a{
  font-size:14px; font-weight:500; color:var(--ink-dim);
  padding:6px 2px; border-bottom:2px solid transparent;
}
nav.main-nav a:hover, nav.main-nav a.active{ color:var(--ink); border-bottom-color:var(--accent); }

.theme-toggle{
  width:52px; height:30px; border-radius:30px;
  background:var(--bg-sunken); border:1px solid var(--line);
  position:relative; cursor:pointer; flex-shrink:0;
}
.theme-toggle .knob{
  position:absolute; top:2px; left:2px; width:24px; height:24px; border-radius:50%;
  background:linear-gradient(135deg,var(--accent),var(--teal));
  display:grid; place-items:center; color:#fff; font-size:12px;
  transition:left .22s ease;
}
html[data-theme="dark"] .theme-toggle .knob{ left:26px; }

.header-actions{ display:flex; align-items:center; gap:18px; }
.burger{ display:none; }

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex; align-items:center; gap:8px; justify-content:center;
  font-family:var(--font-body); font-weight:600; font-size:14px;
  padding:11px 20px; border-radius:10px; border:1px solid transparent;
  cursor:pointer; transition:transform .15s ease, box-shadow .15s ease, background .15s ease;
}
.btn:active{ transform:translateY(1px); }
.btn-primary{ background:var(--accent); color:var(--accent-ink); box-shadow:var(--shadow); }
.btn-primary:hover{ box-shadow:0 6px 20px color-mix(in srgb, var(--accent) 45%, transparent); }
.btn-ghost{ background:transparent; border-color:var(--line); color:var(--ink); }
.btn-ghost:hover{ background:var(--bg-sunken); }
.btn-sm{ padding:7px 12px; font-size:13px; border-radius:8px; }
.btn:disabled{ opacity:.5; cursor:not-allowed; }

/* ---------- Hero ---------- */
.hero{ padding:76px 0 46px; }
.hero .eyebrow{
  font-family:var(--font-mono); font-size:12px; letter-spacing:.18em; text-transform:uppercase;
  color:var(--accent); margin-bottom:16px; display:flex; align-items:center; gap:10px;
}
.hero .eyebrow::before{ content:''; width:26px; height:1px; background:var(--accent); }
.hero h1{ font-size:clamp(40px,6vw,68px); line-height:1.02; max-width:820px; }
.hero h1 span{ color:var(--accent); }
.hero .lead{ max-width:560px; font-size:17px; margin-top:14px; }
.hero-search{
  margin-top:34px; max-width:560px; display:flex; gap:10px;
  background:var(--bg-raised); border:1px solid var(--line); border-radius:14px;
  padding:6px 6px 6px 18px; box-shadow:var(--shadow);
}
.hero-search input{
  flex:1; border:none; background:transparent; color:var(--ink); font-size:15px; outline:none; font-family:var(--font-body);
}
.hero-stats{ display:flex; gap:36px; margin-top:44px; }
.hero-stats .stat b{ font-family:var(--font-display); font-size:30px; display:block; }
.hero-stats .stat span{ color:var(--ink-dim); font-size:13px; }

/* ---------- Category / tool grid ---------- */
.section{ padding:44px 0; }
.section-head{ display:flex; align-items:baseline; justify-content:space-between; margin-bottom:22px; gap:12px; flex-wrap:wrap; }
.section-head h2{ font-size:24px; }
.section-head .count{ font-family:var(--font-mono); font-size:12px; color:var(--ink-dim); background:var(--bg-sunken); padding:4px 10px; border-radius:20px; }

.cat-tabs{ display:flex; gap:8px; flex-wrap:wrap; margin-bottom:28px; }
.cat-tabs button{
  font-family:var(--font-mono); font-size:12.5px; padding:8px 14px; border-radius:20px;
  border:1px solid var(--line); background:var(--bg-raised); color:var(--ink-dim); cursor:pointer;
}
.cat-tabs button.active{ background:var(--accent); color:var(--accent-ink); border-color:var(--accent); }

.tool-grid{ display:grid; grid-template-columns:repeat(auto-fill,minmax(250px,1fr)); gap:16px; }
.tool-card{
  background:var(--bg-raised); border:1px solid var(--line); border-radius:var(--radius);
  padding:20px; display:flex; flex-direction:column; gap:10px; cursor:pointer;
  transition:transform .15s ease, border-color .15s ease, box-shadow .15s ease;
}
.tool-card:hover{ transform:translateY(-3px); border-color:var(--accent); box-shadow:var(--shadow); }
.tool-card .icon{
  width:40px; height:40px; border-radius:10px; display:grid; place-items:center;
  background:var(--bg-sunken); font-size:19px;
}
.tool-card h3{ font-size:15.5px; margin:0; }
.tool-card p{ font-size:12.5px; margin:0; color:var(--ink-dim); }
.tool-card .badge{
  font-family:var(--font-mono); font-size:10px; text-transform:uppercase; letter-spacing:.08em;
  color:var(--teal); margin-top:auto;
}

/* ---------- Static tool directory (tools.html, crawlable content) ---------- */
.tool-directory{ padding:34px 0 10px; }
.tool-directory h1{ font-size:28px; margin:0 0 10px; }
.tool-directory .lead{ color:var(--ink-dim); font-size:14.5px; max-width:640px; margin:0 0 28px; }
.dir-cat-heading{ font-size:17px; margin:28px 0 14px; }
.dir-cat-heading .dir-cat-tag{ font-weight:400; font-size:13px; color:var(--ink-dim); }
a.dir-tool-link{ text-decoration:none; color:inherit; }
a.dir-tool-link h3{ color:var(--ink); }

/* ---------- Standalone tool page intro (tools/<id>.html) ---------- */
.tool-page-intro{ padding:30px 0 8px; }
.tool-page-intro h1{ font-size:26px; margin:6px 0 14px; }
.tool-page-intro .lead{ color:var(--ink-dim); font-size:14.5px; max-width:720px; margin:0 0 26px; }
.tool-page-intro h2{ font-size:17px; margin:26px 0 10px; }
.breadcrumb{ font-size:12.5px; color:var(--ink-dim); }
.breadcrumb a{ color:var(--ink-dim); }
.breadcrumb a:hover{ color:var(--accent); }
.how-to-steps{ padding-left:20px; font-size:14px; color:var(--ink-dim); display:flex; flex-direction:column; gap:6px; }
.related-tools{ list-style:none; padding:0; display:flex; flex-direction:column; gap:6px; font-size:14px; }
.related-tools a{ color:var(--accent); font-weight:600; }
.related-tools li{ color:var(--ink-dim); }

/* ---------- Footer ---------- */
footer.site-footer{ border-top:1px solid var(--line); padding:50px 0 30px; margin-top:40px; }
.footer-grid{ display:grid; grid-template-columns:2fr 1fr 1fr 1fr; gap:30px; }
.footer-grid h4{ font-size:13px; letter-spacing:.05em; text-transform:uppercase; color:var(--ink-dim); margin-bottom:14px;}
.footer-grid a{ display:block; font-size:14px; color:var(--ink-dim); padding:5px 0; }
.footer-grid a:hover{ color:var(--accent); }
.footer-bottom{ margin-top:36px; padding-top:20px; border-top:1px solid var(--line); display:flex; justify-content:space-between; color:var(--ink-dim); font-size:13px; flex-wrap:wrap; gap:10px;}

/* ---------- Generic page (about/contact/legal) ---------- */
.page-hero{ padding:56px 0 20px; border-bottom:1px solid var(--line); }
.page-hero .eyebrow{ font-family:var(--font-mono); color:var(--accent); font-size:12px; letter-spacing:.16em; text-transform:uppercase; }
.prose{ max-width:760px; padding:40px 0 60px; }
.prose h2{ margin-top:1.6em; font-size:21px; }
.prose ul{ color:var(--ink-dim); padding-left:20px; }
.prose li{ margin:6px 0; }
.card{ background:var(--bg-raised); border:1px solid var(--line); border-radius:var(--radius); padding:24px; }
.grid-2{ display:grid; grid-template-columns:1fr 1fr; gap:24px; }
.form-field{ margin-bottom:16px; display:flex; flex-direction:column; gap:6px; }
.form-field label{ font-size:13px; font-weight:600; }
.form-field input, .form-field textarea, .form-field select{
  padding:11px 14px; border-radius:9px; border:1px solid var(--line); background:var(--bg-sunken);
  color:var(--ink); font-family:var(--font-body); font-size:14px; outline:none;
}
.form-field input:focus, .form-field textarea:focus{ border-color:var(--accent); }

/* ---------- Tools workspace (tools.html) ---------- */
.workspace{ display:grid; grid-template-columns:250px 1fr; gap:0; min-height:calc(100vh - 68px); }
.tool-sidebar{
  border-right:1px solid var(--line); padding:22px 14px; position:sticky; top:68px;
  height:calc(100vh - 68px); overflow-y:auto;
}
.tool-sidebar input.side-search{
  width:100%; padding:9px 12px; border-radius:8px; border:1px solid var(--line);
  background:var(--bg-sunken); color:var(--ink); margin-bottom:14px; font-size:13px; outline:none;
}
.tool-sidebar .cat-label{ font-family:var(--font-mono); font-size:10.5px; text-transform:uppercase; letter-spacing:.1em; color:var(--ink-dim); margin:16px 0 6px 8px; }
.tool-sidebar button.tool-link{
  display:block; width:100%; text-align:left; background:none; border:none; color:var(--ink-dim);
  font-size:13.5px; padding:8px 10px; border-radius:8px; cursor:pointer;
}
.tool-sidebar button.tool-link:hover{ background:var(--bg-sunken); color:var(--ink); }
.tool-sidebar button.tool-link.active{ background:var(--accent); color:var(--accent-ink); }

.tool-main{ padding:32px 34px 80px; max-width:980px; }
.tool-panel{ display:none; }
.tool-panel.active{ display:block; }
.tool-panel h2{ font-size:26px; }
.tool-panel > p.desc{ margin-top:-4px; margin-bottom:24px; }

.panel-row{ display:flex; gap:16px; flex-wrap:wrap; align-items:flex-end; }
.dropzone{
  border:2px dashed var(--line); border-radius:var(--radius); padding:36px; text-align:center;
  cursor:pointer; color:var(--ink-dim); font-size:14px; background:var(--bg-raised);
}
.dropzone:hover{ border-color:var(--accent); color:var(--ink); }
.dropzone input{ display:none; }
.control{ display:flex; flex-direction:column; gap:6px; }
.control label{ font-size:12.5px; font-weight:600; color:var(--ink-dim); }
.control input[type=text], .control input[type=number], .control select, .control textarea{
  padding:9px 12px; border-radius:8px; border:1px solid var(--line); background:var(--bg-sunken);
  color:var(--ink); font-size:13.5px; outline:none; min-width:120px; font-family:var(--font-body);
}
.control input[type=range]{ width:160px; }
.control input[type=color]{ width:44px; height:34px; border:1px solid var(--line); border-radius:6px; background:none; padding:0;}
.preview-box{
  margin-top:20px; background:var(--bg-sunken); border:1px solid var(--line); border-radius:var(--radius);
  padding:18px; display:flex; flex-wrap:wrap; gap:18px; align-items:flex-start; justify-content:center;
}
.preview-box canvas, .preview-box img{ max-width:100%; border-radius:8px; background:#fff repeating-conic-gradient(#e5e2ef 0% 25%, transparent 0% 50%) 50%/16px 16px; }
.result-line{ margin-top:14px; font-family:var(--font-mono); font-size:12.5px; color:var(--ink-dim); }
.swatch-row{ display:flex; gap:0; border-radius:10px; overflow:hidden; margin-top:16px; box-shadow:var(--shadow); }
.swatch{ flex:1; height:88px; position:relative; cursor:pointer; }
.swatch span{
  position:absolute; bottom:6px; left:6px; right:6px; font-family:var(--font-mono); font-size:10.5px;
  background:rgba(0,0,0,.35); color:#fff; padding:3px 5px; border-radius:5px;
}
textarea.big{ width:100%; min-height:160px; resize:vertical; }
.toast{
  position:fixed; bottom:24px; left:50%; transform:translateX(-50%) translateY(20px);
  background:var(--ink); color:var(--bg); padding:11px 18px; border-radius:10px; font-size:13.5px;
  opacity:0; pointer-events:none; transition:all .25s ease; z-index:200; font-weight:500;
}
.toast.show{ opacity:1; transform:translateX(-50%) translateY(0); }
.stat-chip{ display:inline-flex; gap:6px; align-items:center; font-family:var(--font-mono); font-size:12px; background:var(--bg-sunken); border:1px solid var(--line); padding:6px 12px; border-radius:20px; margin:4px 6px 0 0;}
.strength-bar{ height:8px; border-radius:6px; background:var(--bg-sunken); overflow:hidden; margin-top:10px; }
.strength-bar > div{ height:100%; width:0%; background:var(--danger); transition:width .25s, background .25s; }

@media (max-width: 880px){
  .workspace{ grid-template-columns:1fr; }
  .tool-sidebar{ position:static; height:auto; }
  .footer-grid{ grid-template-columns:1fr 1fr; }
  .grid-2{ grid-template-columns:1fr; }
  nav.main-nav{ display:none; }
}