:root{
  --bg:#fafafa;
  --card:#ffffff;
  --muted:#6b7280;
  --text:#1f2937;
  --accent:#ff7a59;
  --accent-2:#10b981;
  --border:#e5e7eb;
  --shadow:0 4px 20px rgba(0,0,0,.08);
}

*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;
  color:var(--text);
  background:radial-gradient(1200px 1200px at 20% -10%,rgba(16,185,129,.06),transparent 40%),
             radial-gradient(1000px 1000px at 100% 0,rgba(255,122,89,.06),transparent 40%),
             var(--bg);
  line-height:1.6;
}

.container{width:min(1100px,92vw);margin:0 auto}

.site-header{position:sticky;top:0;background:rgba(250,250,250,.85);backdrop-filter:saturate(1.4) blur(10px);border-bottom:1px solid var(--border);z-index:50}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:14px 0}
.brand{font-family:"Playfair Display",serif;color:var(--text);font-size:20px;text-decoration:none;letter-spacing:.4px}
.nav a{color:var(--muted);text-decoration:none;margin-left:18px}
.nav a.active,.nav a:hover{color:var(--text)}

.hero{padding:52px 0 22px}
.hero h1{font-family:"Playfair Display",serif;font-weight:700;letter-spacing:.4px;font-size:44px;margin:0 0 8px}
.hero p{margin:0 0 22px;color:var(--muted)}
.accent{color:var(--accent)}

.search-bar{display:grid;grid-template-columns:auto 1fr auto;gap:10px;align-items:center;background:var(--card);border:1px solid var(--border);padding:10px;border-radius:14px;box-shadow:var(--shadow)}
.search-toggle{display:flex;background:#f3f4f6;border:1px solid var(--border);border-radius:12px;overflow:hidden}
.toggle-btn{appearance:none;border:0;background:transparent;color:var(--muted);padding:10px 14px;cursor:pointer}
.toggle-btn.active{background:var(--accent);color:#fff}
input[type="search"],input[type="text"],input{background:#ffffff;border:1px solid var(--border);color:var(--text);padding:12px 14px;border-radius:10px;outline:none}
.primary{background:var(--accent);color:#fff;border:0;border-radius:10px;padding:12px 16px;font-weight:700;cursor:pointer}
.ghost{background:transparent;border:1px solid var(--border);color:var(--text);border-radius:10px;padding:10px 12px;cursor:pointer}
.filters{display:flex;gap:12px;align-items:center;margin-top:12px}
.filters label{display:flex;gap:8px;align-items:center;color:var(--muted)}

.results{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:16px;margin:30px 0}
.card{background:var(--card);border:1px solid var(--border);border-radius:16px;overflow:hidden;box-shadow:var(--shadow);display:flex;flex-direction:column}
.card img{width:100%;height:160px;object-fit:cover}
.card .body{padding:12px}
.card h3{margin:0 0 6px;font-size:18px}
.card p{margin:0;color:var(--muted);font-size:14px}
.card .row{display:flex;justify-content:space-between;align-items:center;margin-top:10px}
.tag{font-size:12px;color:#fff;background:var(--accent-2);padding:4px 8px;border-radius:999px}
.fav{background:transparent;border:1px solid var(--border);color:var(--text);border-radius:10px;padding:8px 10px;cursor:pointer}

.drawer{position:fixed;right:0;top:0;height:100vh;width:min(560px,94vw);background:#ffffff;border-left:1px solid var(--border);transform:translateX(110%);transition:transform .28s ease;box-shadow:var(--shadow);z-index:60;overflow:auto}
.drawer.open{transform:translateX(0)}
.drawer-close{position:sticky;top:0;margin-left:auto;display:block;background:transparent;color:var(--text);border:0;padding:12px;font-size:20px;cursor:pointer}
.drawer .content{padding:10px 18px 22px}
.detail-hero{display:grid;grid-template-columns:120px 1fr;gap:16px;align-items:center}
.detail-hero img{width:120px;height:120px;object-fit:cover;border-radius:12px;border:1px solid var(--border)}
.ingredients{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin-top:12px}
.ingredients .ing{background:#f9fafb;border:1px solid var(--border);border-radius:10px;padding:8px}

.favorites{margin:44px 0}
.favorites h2{margin:0 0 12px}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:14px}

.site-footer{border-top:1px solid var(--border);padding:16px 0;color:var(--muted)}
.footer-inner{display:flex;justify-content:space-between;align-items:center}

/* Welcome & Tools Sections */
.welcome-section,.tools-section,.calculator-section,.article-section{margin:40px 0}
.welcome-section h2,.tools-section h2{margin:0 0 16px;color:var(--text)}
.welcome-section p{color:var(--muted);line-height:1.8}
.highlight{color:var(--accent);font-weight:600}

/* Tools Container */
.tools-container{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:24px;padding:30px 0;max-width:1200px;margin:0 auto}
.tool-box{background:linear-gradient(135deg,var(--card) 0%,#fafbfc 100%);border:1px solid var(--border);border-radius:20px;padding:32px 24px;text-align:center;width:100%;position:relative;overflow:hidden;box-shadow:0 4px 20px rgba(0,0,0,.06);transition:all .4s cubic-bezier(0.4,0,0.2,1);cursor:pointer}
.tool-box::before{content:'';position:absolute;top:0;left:0;right:0;height:4px;background:linear-gradient(90deg,var(--accent),var(--accent-2));transform:scaleX(0);transition:transform .4s cubic-bezier(0.4,0,0.2,1)}
.tool-box:hover::before{transform:scaleX(1)}
.tool-box:hover{transform:translateY(-8px) scale(1.02);box-shadow:0 20px 50px rgba(255,122,89,.15);border-color:var(--accent);background:linear-gradient(135deg,#ffffff 0%,#fafbfc 100%)}
.tool-box h2{font-size:20px;margin:0 0 16px;color:var(--text);font-weight:700;line-height:1.3;letter-spacing:-0.3px}
.tool-box p{margin:0;color:var(--muted);font-size:14px;line-height:1.6}
.tool-box a{text-decoration:none;color:#fff;font-weight:600;background:linear-gradient(135deg,var(--accent) 0%,#ff9266 100%);padding:12px 28px;border-radius:12px;display:inline-block;transition:all .3s cubic-bezier(0.4,0,0.2,1);margin-top:20px;box-shadow:0 4px 12px rgba(255,122,89,.3);position:relative;overflow:hidden}
.tool-box a::before{content:'';position:absolute;top:50%;left:50%;width:0;height:0;border-radius:50%;background:rgba(255,255,255,.3);transform:translate(-50%,-50%);transition:width .6s,height .6s}
.tool-box a:hover::before{width:300px;height:300px}
.tool-box a:hover{background:linear-gradient(135deg,#ff9266 0%,var(--accent) 100%);box-shadow:0 6px 20px rgba(255,122,89,.4);transform:translateY(-2px)}
.tool-icon{font-size:48px;margin-bottom:16px;display:block;opacity:.9;transition:transform .3s,opacity .3s}
.tool-box:hover .tool-icon{transform:scale(1.1) rotate(5deg);opacity:1}

/* Calculator Section */
.calculator-section h1,.calculator-section h2{color:var(--text);margin:24px 0 16px}
.calculator-section table{width:100%;border-collapse:collapse;margin:20px 0;background:var(--card);border:1px solid var(--border);border-radius:12px;overflow:hidden}
.calculator-section td,.calculator-section th{padding:12px;border-bottom:1px solid var(--border);color:var(--text);text-align:left}
.calculator-section th{background:#f9fafb;font-weight:600}
.calculator-section tr:last-child td{border-bottom:none}
.calculator-section input[type="text"],.calculator-section select{background:#ffffff;border:1px solid var(--border);color:var(--text);padding:8px;border-radius:8px}
.calculator-section input[type="button"]{background:var(--accent);color:#fff;border:0;border-radius:8px;padding:10px 20px;font-weight:700;cursor:pointer}
.calculator-section input[type="button"]:hover{background:#ff9266}
#coutputslab,#coutputhole,#coutputtube{color:var(--text);padding:16px;background:var(--card);border:1px solid var(--border);border-radius:12px;margin:16px 0}
#calfootnote{color:var(--muted);font-size:13px;margin-top:16px}

/* Article Section */
.article-section h1{font-size:2.4em;margin:0 0 24px;color:var(--text)}
.article-section h2{font-size:1.8em;margin:32px 0 16px;color:var(--text)}
.article-section p{color:var(--muted);line-height:1.8;margin-bottom:16px}

@media (max-width:700px){
  .hero h1{font-size:34px}
  .detail-hero{grid-template-columns:1fr}
  .tools-container{grid-template-columns:1fr;gap:20px}
  .tool-box{max-width:100%}
  .article-section h1{font-size:2em}
}