/* ============================================================
   FileHub — shared stylesheet
   Brand colour ek hi jagah badalna hai: --brand (neeche)
   ============================================================ */
:root{
  --brand:#4f46e5;
  --brand-2:#7c3aed;
  --brand-soft:#eef2ff;
  --bg:#f6f7fb;
  --card:#ffffff;
  --text:#16181d;
  --muted:#5f6672;
  --line:#e4e7ee;
  --ok:#0f9d58;
  --warn:#d97706;
  --err:#dc2626;
  --radius:14px;
  --shadow:0 1px 2px rgba(16,24,40,.06),0 8px 24px rgba(16,24,40,.06);
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    --brand:#818cf8;--brand-2:#a78bfa;--brand-soft:#1e213a;
    --bg:#0e1016;--card:#161923;--text:#e8eaf0;--muted:#9aa2b1;--line:#262b38;
    --shadow:0 1px 2px rgba(0,0,0,.4),0 8px 24px rgba(0,0,0,.35);
  }
}
:root[data-theme="dark"]{
  --brand:#818cf8;--brand-2:#a78bfa;--brand-soft:#1e213a;
  --bg:#0e1016;--card:#161923;--text:#e8eaf0;--muted:#9aa2b1;--line:#262b38;
  --shadow:0 1px 2px rgba(0,0,0,.4),0 8px 24px rgba(0,0,0,.35);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font-family:var(--font);
  font-size:15px;line-height:1.6;-webkit-text-size-adjust:100%}
img{max-width:100%}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3{line-height:1.25;margin:0 0 .5em}
h1{font-size:clamp(24px,4vw,34px);letter-spacing:-.02em}
h2{font-size:clamp(19px,3vw,24px);letter-spacing:-.01em}
h3{font-size:17px}
p{margin:0 0 1em}
.wrap{max-width:1120px;margin:0 auto;padding:0 16px}
.narrow{max-width:820px}
.center{text-align:center}
.muted{color:var(--muted)}
.small{font-size:13px}
.hide{display:none!important}

/* ---------- header ---------- */
header.site{position:sticky;top:0;z-index:50;background:color-mix(in srgb,var(--card) 88%,transparent);
  backdrop-filter:saturate(150%) blur(10px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;gap:14px;height:60px}
.logo{display:flex;align-items:center;gap:9px;font-weight:800;font-size:18px;color:var(--text);letter-spacing:-.02em}
.logo:hover{text-decoration:none}
.logo .mark{width:30px;height:30px;border-radius:9px;display:grid;place-items:center;color:#fff;font-size:16px;
  background:linear-gradient(135deg,var(--brand),var(--brand-2))}
.nav .spacer{flex:1}
.nav a.navlink{color:var(--muted);font-weight:600;font-size:14px}
.nav a.navlink:hover{color:var(--text);text-decoration:none}
.iconbtn{border:1px solid var(--line);background:var(--card);color:var(--text);width:36px;height:36px;
  border-radius:10px;cursor:pointer;font-size:15px;display:grid;place-items:center}
@media(max-width:720px){.nav a.navlink{display:none}}

/* ---------- hero ---------- */
.hero{padding:44px 0 26px;text-align:center}
.hero p.lead{font-size:17px;color:var(--muted);max-width:640px;margin:0 auto 18px}
.badges{display:flex;gap:8px;justify-content:center;flex-wrap:wrap;margin-bottom:6px}
.badge{background:var(--brand-soft);color:var(--brand);font-size:12px;font-weight:700;
  padding:5px 11px;border-radius:999px}

/* ---------- tool grid ---------- */
.grid{display:grid;gap:14px;grid-template-columns:repeat(auto-fill,minmax(230px,1fr))}
.tool{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:16px;
  display:block;color:var(--text);transition:.16s;box-shadow:var(--shadow)}
.tool:hover{text-decoration:none;transform:translateY(-2px);border-color:var(--brand)}
.tool .ic{width:40px;height:40px;border-radius:11px;background:var(--brand-soft);display:grid;
  place-items:center;font-size:20px;margin-bottom:10px}
.tool b{display:block;font-size:15px;margin-bottom:2px}
.tool span{font-size:13px;color:var(--muted);display:block}
.sechead{display:flex;align-items:baseline;gap:10px;margin:30px 0 12px}
.sechead h2{margin:0}
.sechead span{color:var(--muted);font-size:13px}

/* ---------- cards / tool page ---------- */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:20px;box-shadow:var(--shadow);margin-bottom:16px}
.toolhead{display:flex;gap:14px;align-items:flex-start;margin:26px 0 16px}
.toolhead .ic{width:48px;height:48px;border-radius:13px;background:var(--brand-soft);
  display:grid;place-items:center;font-size:24px;flex:none}
.toolhead h1{margin:0 0 3px}
.toolhead p{margin:0;color:var(--muted)}
.crumb{font-size:13px;color:var(--muted);padding-top:14px}

/* ---------- drop zone ---------- */
.drop{border:2px dashed var(--line);border-radius:var(--radius);background:var(--card);
  padding:34px 18px;text-align:center;cursor:pointer;transition:.15s}
.drop:hover,.drop.over{border-color:var(--brand);background:var(--brand-soft)}
.drop .big{font-size:34px;line-height:1;margin-bottom:8px}
.drop b{display:block;font-size:16px}
.drop small{color:var(--muted)}

/* ---------- file list ---------- */
.files{list-style:none;margin:14px 0 0;padding:0;display:flex;flex-direction:column;gap:8px}
.files li{display:flex;align-items:center;gap:10px;background:var(--bg);border:1px solid var(--line);
  border-radius:10px;padding:9px 11px;font-size:14px}
.files li .nm{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.files li .sz{color:var(--muted);font-size:12px;flex:none}
.files li button{border:none;background:transparent;color:var(--muted);cursor:pointer;font-size:16px;padding:0 2px}
.files li button:hover{color:var(--err)}
.handle{cursor:grab;color:var(--muted);flex:none}

/* ---------- form controls ---------- */
.row{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:12px}
.row>*{flex:1;min-width:150px}
label.f{display:block;font-size:13px;font-weight:600;margin-bottom:5px}
input[type=text],input[type=number],select,textarea{width:100%;padding:10px 12px;border:1px solid var(--line);
  border-radius:10px;background:var(--card);color:var(--text);font-size:14px;font-family:inherit}
input:focus,select:focus,textarea:focus{outline:2px solid var(--brand);outline-offset:-1px;border-color:var(--brand)}
input[type=range]{width:100%;accent-color:var(--brand)}
input[type=color]{width:46px;height:38px;padding:2px;border:1px solid var(--line);border-radius:9px;background:var(--card)}
.chk{display:flex;align-items:center;gap:8px;font-size:14px}
.chk input{accent-color:var(--brand);width:16px;height:16px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--brand);color:#fff;
  border:none;border-radius:11px;padding:12px 22px;font-size:15px;font-weight:700;cursor:pointer;font-family:inherit}
.btn:hover{filter:brightness(1.07)}
.btn:disabled{opacity:.5;cursor:not-allowed}
.btn.ghost{background:transparent;color:var(--text);border:1px solid var(--line)}
.btn.block{width:100%}
.btn.sm{padding:8px 14px;font-size:13px;border-radius:9px}
.actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px}

/* ---------- results / notes ---------- */
.note{border-radius:10px;padding:11px 13px;font-size:13.5px;margin:12px 0}
.note.ok{background:rgba(15,157,88,.1);color:var(--ok)}
.note.warn{background:rgba(217,119,6,.12);color:var(--warn)}
.note.err{background:rgba(220,38,38,.1);color:var(--err)}
.note.info{background:var(--brand-soft);color:var(--brand)}
.result{margin-top:16px}
.thumbs{display:grid;gap:10px;grid-template-columns:repeat(auto-fill,minmax(120px,1fr));margin-top:12px}
.thumbs figure{margin:0;background:var(--bg);border:1px solid var(--line);border-radius:10px;padding:8px;text-align:center}
.thumbs img{border-radius:6px;background:#fff}
.thumbs figcaption{font-size:11px;color:var(--muted);margin-top:6px}

/* ---------- crop widget ---------- */
.cropwrap{position:relative;background:#111;border-radius:12px;overflow:hidden;touch-action:none;
  display:grid;place-items:center;max-height:380px}
.cropwrap canvas{display:block;max-width:100%;cursor:grab}
.cropwrap canvas:active{cursor:grabbing}

/* ---------- busy overlay ---------- */
#busy{position:fixed;inset:0;background:rgba(10,12,18,.55);display:none;place-items:center;z-index:200}
#busy.on{display:grid}
#busy .box{background:var(--card);padding:22px 28px;border-radius:14px;text-align:center;min-width:210px}
.spin{width:30px;height:30px;border:3px solid var(--line);border-top-color:var(--brand);
  border-radius:50%;animation:sp .8s linear infinite;margin:0 auto 10px}
@keyframes sp{to{transform:rotate(360deg)}}
#toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%) translateY(20px);opacity:0;
  background:#16181d;color:#fff;padding:11px 18px;border-radius:11px;font-size:14px;z-index:300;
  transition:.25s;pointer-events:none;max-width:90vw;text-align:center}
#toast.on{opacity:1;transform:translateX(-50%) translateY(0)}

/* ---------- ads ---------- */
.ad-slot{margin:22px 0;min-height:90px;display:grid;place-items:center;border:1px dashed var(--line);
  border-radius:12px;color:var(--muted);font-size:12px;background:var(--card)}

/* ---------- content / faq ---------- */
.prose{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow)}
.prose h2{margin-top:1.2em}
.prose ul{padding-left:20px}
.prose li{margin-bottom:6px}
details{border-bottom:1px solid var(--line);padding:12px 0}
details:last-child{border-bottom:none}
summary{cursor:pointer;font-weight:600;list-style:none}
summary::-webkit-details-marker{display:none}
summary::before{content:"+ ";color:var(--brand);font-weight:800}
details[open] summary::before{content:"− "}

/* ---------- footer ---------- */
footer.site{border-top:1px solid var(--line);margin-top:44px;padding:30px 0 40px;background:var(--card)}
.fcols{display:grid;gap:22px;grid-template-columns:repeat(auto-fit,minmax(180px,1fr))}
.fcols h4{margin:0 0 10px;font-size:13px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted)}
.fcols a{display:block;color:var(--text);font-size:14px;margin-bottom:6px}
.fbot{border-top:1px solid var(--line);margin-top:24px;padding-top:16px;color:var(--muted);font-size:13px;
  display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap}
table.tbl{width:100%;border-collapse:collapse;font-size:14px}
table.tbl th,table.tbl td{border:1px solid var(--line);padding:8px 10px;text-align:left}
table.tbl th{background:var(--bg)}
.scrollx{overflow-x:auto}

/* ---------- long-form content ---------- */
.prose ol.steps{padding-left:20px;margin:0 0 1em}
.prose ol.steps li{margin-bottom:9px}
.prose h2{font-size:20px;margin-top:1.5em}
.prose table.tbl{margin:0 0 1em}