/* =========================================================
   Multi Tools Farhad — Global Design System
   Brand: OK Digital Consultant
   ========================================================= */

:root{
  /* Brand palette — bold & colorful on a dark neutral base */
  --brand-purple:#7C3AED;
  --brand-pink:#EC4899;
  --brand-orange:#FB923C;
  --brand-teal:#14B8A6;
  --brand-blue:#3B82F6;
  --brand-yellow:#FBBF24;

  --ink-900:#0F1222;
  --ink-800:#161A2E;
  --ink-700:#1E2340;
  --ink-600:#2A2F52;
  --ink-100:#EDEEF7;

  --text-primary:#12142B;
  --text-body:#3A3F5C;
  --text-muted:#6B7094;
  --text-inverse:#F7F7FC;

  --bg-page:#FAFAFE;
  --bg-card:#FFFFFF;
  --bg-soft:#F1F1FB;

  --border-soft:#E4E5F5;

  --radius-sm:8px;
  --radius-md:14px;
  --radius-lg:22px;
  --radius-pill:999px;

  --shadow-sm:0 2px 8px rgba(18,20,43,.06);
  --shadow-md:0 8px 24px rgba(18,20,43,.10);
  --shadow-lg:0 18px 48px rgba(18,20,43,.16);

  --grad-brand:linear-gradient(135deg,var(--brand-purple),var(--brand-pink) 55%,var(--brand-orange));
  --grad-cool:linear-gradient(135deg,var(--brand-blue),var(--brand-teal));

  --font-display:'Poppins',system-ui,-apple-system,Segoe UI,sans-serif;
  --font-body:'Inter',system-ui,-apple-system,Segoe UI,sans-serif;

  --container:1200px;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-body);
  color:var(--text-body);
  background:var(--bg-page);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5{
  font-family:var(--font-display);
  color:var(--text-primary);
  margin:0 0 .5em;
  line-height:1.2;
  font-weight:700;
}
h1{font-size:clamp(2rem,4vw,3rem)}
h2{font-size:clamp(1.5rem,3vw,2.25rem)}
h3{font-size:1.25rem}
p{margin:0 0 1em}
a{color:var(--brand-purple);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%;display:block}
ul,ol{padding-left:1.2em}

.container{max-width:var(--container);margin:0 auto;padding:0 20px}
.section{padding:64px 0}
.section-tight{padding:36px 0}

.text-center{text-align:center}
.muted{color:var(--text-muted)}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 28px;border-radius:var(--radius-pill);
  font-family:var(--font-display);font-weight:600;font-size:.95rem;
  border:2px solid transparent;cursor:pointer;transition:transform .18s ease,box-shadow .18s ease,background .18s ease;
  text-decoration:none;
}
.btn:hover{transform:translateY(-2px)}
.btn-primary{background:var(--grad-brand);color:#fff;box-shadow:var(--shadow-md)}
.btn-primary:hover{box-shadow:var(--shadow-lg);text-decoration:none}
.btn-secondary{background:#fff;color:var(--text-primary);border-color:var(--border-soft);box-shadow:var(--shadow-sm)}
.btn-secondary:hover{border-color:var(--brand-purple);text-decoration:none}
.btn-ghost{background:transparent;color:var(--text-inverse);border-color:rgba(255,255,255,.35)}
.btn-ghost:hover{background:rgba(255,255,255,.12);text-decoration:none}
.btn-block{width:100%}
.btn-sm{padding:9px 18px;font-size:.85rem}

/* ---------- Cards ---------- */
.card{
  background:var(--bg-card);border:1px solid var(--border-soft);
  border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:transparent}

.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 14px;border-radius:var(--radius-pill);
  font-size:.78rem;font-weight:700;letter-spacing:.02em;
  background:var(--bg-soft);color:var(--brand-purple);
}

/* ---------- Forms / Tool widgets ---------- */
.field{margin-bottom:16px}
.field label{display:block;font-weight:600;color:var(--text-primary);margin-bottom:6px;font-size:.92rem}
.field .hint{font-size:.8rem;color:var(--text-muted);margin-top:4px}
input[type=text],input[type=number],input[type=search],input[type=email],
input[type=password],input[type=date],input[type=time],input[type=url],
select,textarea{
  width:100%;padding:12px 14px;border-radius:var(--radius-sm);
  border:1.5px solid var(--border-soft);background:#fff;color:var(--text-primary);
  font-family:var(--font-body);font-size:.95rem;transition:border-color .15s ease;
}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--brand-purple)}
textarea{resize:vertical;min-height:140px;font-family:'Courier New',monospace}
input[type=range]{width:100%}
input[type=checkbox],input[type=radio]{width:auto;accent-color:var(--brand-purple)}
.checkbox-row{display:flex;align-items:center;gap:8px;font-size:.9rem;color:var(--text-body);margin-bottom:10px}
.checkbox-row label{margin:0;font-weight:500}

.tool-widget{
  background:var(--bg-card);border:1px solid var(--border-soft);
  border-radius:var(--radius-lg);padding:28px;box-shadow:var(--shadow-sm);margin:28px 0;
}
.tool-output{
  background:var(--ink-900);color:#D9F4E9;border-radius:var(--radius-md);
  padding:16px;font-family:'Courier New',monospace;font-size:.9rem;
  min-height:100px;white-space:pre-wrap;word-break:break-word;
  max-height:420px;overflow:auto;
}
.result-box{
  background:var(--bg-soft);border-radius:var(--radius-md);padding:20px;
  font-size:1.05rem;font-weight:600;color:var(--text-primary);
}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
@media(max-width:700px){.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}}

.copy-row{display:flex;gap:10px;align-items:stretch}
.copy-row .tool-output{flex:1}

.stat-pill{
  display:flex;align-items:center;justify-content:center;flex-direction:column;
  padding:12px 6px;border-radius:var(--radius-md);background:var(--bg-soft);
}

/* ---------- Breadcrumb ---------- */
.breadcrumb{font-size:.85rem;color:var(--text-muted);margin:18px 0}
.breadcrumb a{color:var(--text-muted)}
.breadcrumb a:hover{color:var(--brand-purple)}
.breadcrumb .sep{margin:0 6px}

/* ---------- FAQ ---------- */
.faq-item{border-bottom:1px solid var(--border-soft);padding:16px 0}
.faq-item h3{font-size:1.02rem;margin-bottom:6px}
.faq-item p{margin:0;color:var(--text-body)}

/* ---------- Related tools ---------- */
.related-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
@media(max-width:900px){.related-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:520px){.related-grid{grid-template-columns:1fr}}
.related-card{padding:18px;display:block}
.related-card h4{margin:0 0 6px;font-size:1rem;color:var(--text-primary)}
.related-card p{margin:0;font-size:.85rem;color:var(--text-muted)}

/* ---------- Utility ---------- */
.flex{display:flex}
.flex-between{display:flex;align-items:center;justify-content:space-between}
.flex-wrap{flex-wrap:wrap}
.gap-8{gap:8px}.gap-12{gap:12px}.gap-16{gap:16px}.gap-24{gap:24px}
.mt-0{margin-top:0}.mt-8{margin-top:8px}.mt-16{margin-top:16px}.mt-24{margin-top:24px}.mt-32{margin-top:32px}
.mb-0{margin-bottom:0}.mb-8{margin-bottom:8px}.mb-16{margin-bottom:16px}.mb-24{margin-bottom:24px}
.hidden{display:none !important}

.tag{
  display:inline-block;padding:3px 10px;border-radius:var(--radius-pill);
  font-size:.72rem;font-weight:700;background:var(--bg-soft);color:var(--text-muted);
}

::selection{background:var(--brand-purple);color:#fff}
.tool-output::-webkit-scrollbar{width:8px}
.tool-output::-webkit-scrollbar-thumb{background:#3a3f5c;border-radius:4px}