:root{
  --midnight:#0b0f1a;
  --midnight-soft:#12172a;
  --panel:#161c33;
  --line:rgba(255,255,255,.08);
  --electric:#6366f1;
  --lavender:#a78bfa;
  --pink:#f9a8d4;
  --ivory:#f8fafc;
  --muted:#9aa3b8;
  --radius:16px;
  --shadow:0 12px 32px -12px rgba(0,0,0,.5);
  --grad: linear-gradient(135deg,var(--electric),var(--lavender) 55%,var(--pink));

  --bg:var(--midnight);
  --bg-soft:var(--midnight-soft);
  --surface:var(--panel);
  --text:var(--ivory);
  --text-muted:var(--muted);
  --border:var(--line);
  --code-text:#dfe3f0;
}

:root[data-theme="light"]{
  --bg:#f8fafc;
  --bg-soft:#eef0fb;
  --surface:#ffffff;
  --text:#161c33;
  --text-muted:#5c6178;
  --border:rgba(22,28,51,.1);
  --code-text:#2b2f45;
  --shadow:0 12px 32px -14px rgba(99,102,241,.25);
}

*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}
body{
  background:var(--bg);
  color:var(--text);
  font-family:'Poppins',system-ui,sans-serif;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
  transition:background .2s ease,color .2s ease;
}
h1,h2,h3,h4,.eyebrow,.nav-link,.btn{font-family:'Montserrat',system-ui,sans-serif}
a{color:inherit;text-decoration:none}
img{max-width:100%}
::selection{background:var(--lavender);color:var(--midnight)}

.app{display:flex;min-height:100vh}

/* ---------- Sidebar ---------- */
.sidebar{
  width:280px;flex:none;background:var(--bg-soft);
  border-right:1px solid var(--border);
  display:flex;flex-direction:column;
  position:sticky;top:0;height:100vh;
  transition:transform .25s ease,background .2s ease;
  z-index:40;
}
.sidebar-header{padding:26px 22px;border-bottom:1px solid var(--border);display:flex;justify-content:center}
.logo-image{width:96px;height:96px;object-fit:contain;display:block}

.nav{flex:1;overflow-y:auto;padding:18px 14px}
.nav-section{margin-bottom:22px}
.nav-link{
  display:flex;align-items:center;gap:12px;
  padding:10px 12px;border-radius:10px;
  font-size:.88rem;font-weight:600;color:var(--text);
  cursor:pointer;transition:background .15s ease,color .15s ease;
}
.nav-link:hover{background:rgba(128,128,160,.1)}
.nav-link.active{background:linear-gradient(135deg,rgba(99,102,241,.25),rgba(167,139,250,.18));color:var(--text)}
.nav-link svg{width:18px;height:18px;flex:none;opacity:.85}
.nav-badge{margin-left:auto;font-size:.62rem;padding:2px 8px;border-radius:999px;background:rgba(249,168,212,.18);color:#d6469a;letter-spacing:.04em}

.sidebar-footer{padding:16px 18px 20px;border-top:1px solid var(--border)}
.brand-pattern{height:60px;border-radius:12px;overflow:hidden;position:relative;background:linear-gradient(135deg,var(--bg),var(--surface))}
.brand-pattern::after{
  content:"";position:absolute;inset:0;
  background:var(--grad);opacity:.18;
  clip-path:polygon(0 100%, 40% 0, 100% 0, 60% 100%);
}

.menu-toggle{
  display:none;position:fixed;top:16px;left:16px;z-index:60;
  width:42px;height:42px;border-radius:10px;background:var(--surface);
  border:1px solid var(--border);color:var(--text);align-items:center;justify-content:center;
}

/* ---------- Workspace ---------- */
.workspace{flex:1;min-width:0;display:flex;flex-direction:column}
.topbar{
  position:sticky;top:0;z-index:20;
  background:var(--bg);
  background:color-mix(in srgb, var(--bg) 85%, transparent);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--border);
  padding:16px 32px;display:flex;flex-wrap:wrap;align-items:center;gap:14px;
}
.search-box{
  flex:1 1 200px;min-width:0;max-width:420px;display:flex;align-items:center;gap:10px;
  background:var(--surface);border:1px solid var(--border);border-radius:999px;
  padding:9px 16px;
}
.topbar-controls{display:flex;align-items:center;gap:10px;flex:none;margin-left:auto}
.search-box input{background:transparent;border:none;outline:none;color:var(--text);font-family:inherit;font-size:.88rem;width:100%}
.search-box svg{width:16px;height:16px;color:var(--text-muted);flex:none}

.lang-select{
  background:var(--surface);border:1px solid var(--border);color:var(--text);
  padding:9px 12px;border-radius:999px;font-size:.85rem;font-family:inherit;cursor:pointer;
}

.theme-toggle{
  width:38px;height:38px;border-radius:999px;flex:none;
  background:var(--surface);border:1px solid var(--border);color:var(--text);
  display:flex;align-items:center;justify-content:center;cursor:pointer;
}
.theme-toggle svg{width:18px;height:18px}
.theme-toggle .icon-moon{display:none}
:root[data-theme="light"] .theme-toggle .icon-sun{display:none}
:root[data-theme="light"] .theme-toggle .icon-moon{display:block}

.content{padding:36px 40px 80px;max-width:1080px}

.page-eyebrow{display:inline-block;font-size:.72rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--lavender);margin-bottom:12px}
.page-title{font-size:clamp(1.6rem,2.6vw + .8rem,2.6rem);font-weight:800;letter-spacing:-.01em;margin-bottom:14px}
.page-intro{color:var(--text-muted);max-width:640px;margin-bottom:32px;font-size:.98rem}

.how-to{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:36px}
.how-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:18px}
.how-step{font-size:.68rem;font-weight:700;letter-spacing:.1em;color:var(--pink);margin-bottom:6px}
.how-title{font-weight:700;font-size:.94rem;margin-bottom:6px}
.how-body{color:var(--text-muted);font-size:.82rem}

.cat-chips{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:32px}
.cat-chip{
  display:flex;align-items:center;gap:8px;
  padding:9px 16px;border-radius:999px;cursor:pointer;
  background:var(--surface);border:1px solid var(--border);
  font-size:.82rem;font-weight:600;color:var(--text-muted);
  transition:transform .15s ease,background .15s ease,color .15s ease,border-color .15s ease;
}
.cat-chip:hover{transform:translateY(-1px);border-color:var(--lavender);color:var(--text)}
.cat-chip.active{background:var(--grad);color:#fff;border-color:transparent;box-shadow:0 8px 20px -8px rgba(99,102,241,.6)}
.chip-count{font-size:.7rem;padding:1px 7px;border-radius:999px;background:rgba(128,128,160,.18)}
.cat-chip.active .chip-count{background:rgba(255,255,255,.25);color:#fff}

.cat-header{margin-bottom:22px}
.cat-eyebrow{font-size:.72rem;font-weight:700;letter-spacing:.1em;color:var(--text-muted);text-transform:uppercase}
.cat-title{font-size:1.5rem;font-weight:800;margin:4px 0 6px}
.cat-subtitle{color:var(--text-muted);font-size:.9rem}

.prompt-card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
  padding:22px 24px;margin-bottom:16px;box-shadow:var(--shadow);
}
.prompt-head{display:flex;align-items:baseline;gap:10px;margin-bottom:10px}
.prompt-num{font-family:'Montserrat',sans-serif;font-weight:800;color:var(--lavender);font-size:.85rem}
.prompt-title{font-weight:700;font-size:1.02rem}
.example-tag{font-size:.65rem;letter-spacing:.1em;text-transform:uppercase;color:var(--text-muted);margin-bottom:10px}
.prompt-preview{color:var(--text-muted);font-size:.86rem;white-space:pre-wrap;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.prompt-full{white-space:pre-wrap;color:var(--code-text);font-size:.86rem;margin-top:10px;display:none}
.prompt-full.open{display:block}
.prompt-actions{display:flex;gap:10px;margin-top:14px;align-items:center;flex-wrap:wrap}

.btn{
  display:inline-flex;align-items:center;gap:8px;
  font-weight:600;font-size:.82rem;padding:9px 16px;border-radius:999px;
  cursor:pointer;border:1px solid transparent;transition:transform .15s ease,background .15s ease;
}
.btn:hover{transform:translateY(-1px)}
.btn-ghost{background:transparent;border-color:var(--border);color:var(--text)}
.btn-ghost:hover{border-color:var(--lavender)}
.btn-copy{background:var(--grad);color:#fff}
.btn-copy.copied{background:#22c55e}

.cat-nav{display:flex;justify-content:space-between;margin-top:28px;gap:12px}
.cat-nav .btn{flex:1;justify-content:center}

/* Workflow */
.phase-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:26px 28px;margin-bottom:22px}
.phase-head{display:flex;align-items:center;gap:16px;margin-bottom:12px}
.phase-num{font-family:'Montserrat',sans-serif;font-weight:800;font-size:1.6rem;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.phase-title{font-weight:800;font-size:1.2rem}
.phase-subtitle{color:var(--pink);font-size:.72rem;text-transform:uppercase;letter-spacing:.1em;font-weight:700}
.phase-intro{font-weight:600;color:var(--text);margin-bottom:10px}
.phase-body{color:var(--text-muted);font-size:.9rem;margin-bottom:18px}

.tool-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:14px;margin-bottom:18px}
.tool-card{background:var(--bg-soft);border:1px solid var(--border);border-radius:12px;padding:16px}
.tool-name{font-weight:700;margin-bottom:8px;font-size:.9rem}
.tool-points{list-style:none;display:flex;flex-direction:column;gap:5px}
.tool-points li{font-size:.78rem;color:var(--text-muted);padding-left:14px;position:relative}
.tool-points li::before{content:"›";position:absolute;left:0;color:var(--lavender)}

.code-block{background:var(--bg-soft);border:1px solid var(--border);border-radius:12px;padding:16px 18px;margin-bottom:14px}
.code-label{font-size:.68rem;letter-spacing:.1em;text-transform:uppercase;color:var(--text-muted);margin-bottom:8px}
.code-text{white-space:pre-wrap;font-size:.84rem;color:var(--code-text);font-family:ui-monospace,Consolas,monospace;margin-bottom:10px}

.phase-why{border-left:3px solid var(--lavender);padding:12px 16px;background:rgba(167,139,250,.08);border-radius:0 10px 10px 0;font-size:.86rem;color:var(--text)}
.phase-why b{color:var(--lavender)}

.summary-table{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px;margin-top:10px}
.summary-cell{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:14px}
.summary-n{font-weight:800;color:var(--lavender);font-size:.8rem}
.summary-title{font-weight:700;font-size:.88rem;margin:4px 0 2px}
.summary-tag{color:var(--text-muted);font-size:.76rem}

.community-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:30px;text-align:center}
.community-card svg{width:34px;height:34px;color:var(--lavender);margin-bottom:12px}

.no-results{color:var(--text-muted);text-align:center;padding:40px 0}

footer.site-footer{border-top:1px solid var(--border);padding:20px 40px;color:var(--text-muted);font-size:.78rem}

@media(max-width:900px){
  .sidebar{position:fixed;left:0;transform:translateX(-100%);box-shadow:0 0 0 100vmax rgba(0,0,0,0)}
  .sidebar.open{transform:translateX(0);box-shadow:0 0 40px rgba(0,0,0,.5)}
  .menu-toggle{display:flex}
  .content{padding:88px 20px 60px}
  .topbar{padding:14px 20px 14px 68px;flex-wrap:wrap}
  .how-to{grid-template-columns:1fr}
}