/* ============================================================
   Chitra — Free Image Tools (compress · resize · passport · convert)
   PREMIUM DARK-FIRST theme. Signature accent: blue #2f9bd6 -> cyan #06b6d4.
   Light mode is opt-in via the toggle (persisted: localStorage chitra_theme).
   100% on-device. ALL existing class names preserved so app.js + every
   tool page keep working unchanged. Inter throughout.
   ============================================================ */
@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,500;9..144,600;9..144,700&family=Space+Grotesk:wght@500;600;700&display=swap');
:root{
  /* ---- dark (DEFAULT) — LUXE (warm charcoal + gold, blue accent kept) ---- */
  --bg:#0c0a07; --bg-2:#100d09; --card:#16120c; --panel:#13100a; --card-2:#1c1610;
  --ink:#f6efe1; --muted:#c6b89c; --faint:#8a7c62;
  --line:#2a2317; --line-2:#36301f; --field:#120f09;
  --acc:#38bdf8; --acc2:#22d3ee; --acc-soft:rgba(56,189,248,.13); --acc2-soft:rgba(34,211,238,.12);
  --warn:#f0913b; --bad:#ef5468; --good:#34d27e; --good-soft:#15240f;
  --gold:#e3bd6e; --gold-2:#f3da9a; --gold-deep:#b88f3e;
  --grad:linear-gradient(135deg,#38bdf8,#22d3ee);
  --grad-gold:linear-gradient(110deg,#f3da9a,#e3bd6e 50%,#c69a45);
  --grad-soft:linear-gradient(135deg,rgba(56,189,248,.20),rgba(34,211,238,.20));
  --glow:0 8px 26px rgba(34,211,238,.30);
  --shadow:0 12px 34px rgba(0,0,0,.55); --shadow-lg:0 26px 64px rgba(0,0,0,.62);
  --radius:20px; --sans:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;
  --display:'Fraunces',Georgia,serif;
}
html[data-theme=light]{
  --bg:#eef2f8; --bg-2:#ffffff; --card:#ffffff; --panel:#f5f8fd; --card-2:#f3f6fc;
  --ink:#0f1626; --muted:#56607a; --faint:#8b93a7;
  --line:#e5e9f1; --line-2:#d6dbe7; --field:#fbfcff;
  --acc:#2563eb; --acc2:#0891b2; --acc-soft:#e7f1fb; --acc2-soft:#e0f5f9;
  --warn:#ea580c; --bad:#dc2626; --good:#16a34a; --good-soft:#e6f7ef;
  --grad:linear-gradient(135deg,#2f9bd6,#06b6d4);
  --grad-soft:linear-gradient(135deg,rgba(47,155,214,.10),rgba(6,182,212,.12));
  --glow:0 8px 22px rgba(6,182,212,.22);
  --shadow:0 10px 28px rgba(20,30,60,.10); --shadow-lg:0 24px 60px rgba(20,30,60,.16);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--sans);color:var(--ink);line-height:1.6;-webkit-font-smoothing:antialiased;
  background:
    radial-gradient(900px 520px at 100% -8%,var(--acc-soft),transparent 60%),
    radial-gradient(760px 460px at -8% 2%,var(--acc2-soft),transparent 58%),
    var(--bg);
  background-attachment:fixed;min-height:100vh;transition:background .25s,color .25s}
/* signature: faint gold checker (image-editor motif) top-right */
body::before{content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;opacity:.7;
  background-image:linear-gradient(45deg,rgba(227,189,110,.05) 25%,transparent 25%,transparent 75%,rgba(227,189,110,.05) 75%),
                   linear-gradient(45deg,rgba(227,189,110,.05) 25%,transparent 25%,transparent 75%,rgba(227,189,110,.05) 75%);
  background-size:36px 36px;background-position:0 0,18px 18px;
  -webkit-mask-image:radial-gradient(ellipse 65% 48% at 100% 0%,#000,transparent 72%);
  mask-image:radial-gradient(ellipse 65% 48% at 100% 0%,#000,transparent 72%)}
/* signature display typography + gold brand (matches the homepage) */
.logo,.hero h1,.ptitle h1,h1,h2,h3{font-family:var(--display)}
.logo span.tx{background:var(--grad-gold)}
.logo .lm{background:var(--grad-gold);color:#2a1f07;box-shadow:0 6px 16px rgba(227,189,110,.32)}
.hero h1 b{background:var(--grad-gold)}
a{color:inherit;text-decoration:none}
button,input,select{font-family:inherit}
.wrap{max-width:920px;margin:0 auto;padding:0 16px}

/* icons */
i[data-i]{display:inline-flex;align-items:center;justify-content:center;line-height:0}
i[data-i] svg{width:1em;height:1em;display:block}

/* ---------- header ---------- */
.top{position:sticky;top:0;z-index:20;background:color-mix(in srgb,var(--bg-2) 82%,transparent);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid var(--line)}
.top .wrap{display:flex;align-items:center;gap:12px;height:62px}
.logo{display:flex;align-items:center;gap:11px;font-weight:800;font-size:21px;letter-spacing:-.4px;margin-right:auto}
.logo .lm{width:34px;height:34px;border-radius:11px;background:var(--grad);display:grid;place-items:center;color:#fff;font-size:18px;font-weight:800;box-shadow:var(--glow)}
.logo .lm svg{width:20px;height:20px}
.logo span.tx{background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.nav{display:flex;gap:2px;overflow-x:auto;scrollbar-width:none}
.nav::-webkit-scrollbar{display:none}
.nav a{font-size:13px;font-weight:600;color:var(--muted);padding:8px 12px;border-radius:10px;white-space:nowrap;transition:.15s}
.nav a:hover,.nav a.on{background:var(--acc-soft);color:var(--acc)}
.theme{width:40px;height:40px;border-radius:12px;border:1px solid var(--line-2);background:var(--field);cursor:pointer;font-size:18px;flex:none;color:var(--ink);display:grid;place-items:center;transition:.15s}
.theme:hover{color:var(--acc);border-color:var(--acc)}
.theme:active{transform:scale(.95)}
.theme svg{width:20px;height:20px}

/* ---------- hero ---------- */
.hero{text-align:center;padding:54px 0 18px}
.hero .pill{display:inline-flex;align-items:center;gap:7px;font-size:12px;font-weight:700;color:var(--acc2);background:var(--acc2-soft);padding:7px 15px;border-radius:999px;margin-bottom:18px;letter-spacing:.02em;border:1px solid var(--line-2)}
.hero .pill i{font-size:14px}
.hero h1{font-size:clamp(30px,5.8vw,46px);font-weight:800;letter-spacing:-1.4px;line-height:1.08}
.hero h1 b{background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.hero p{color:var(--muted);max-width:560px;margin:14px auto 0;font-size:16.5px}
.hero .cta{display:flex;gap:10px;justify-content:center;margin-top:24px;flex-wrap:wrap}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 20px;border-radius:13px;font-size:14px;font-weight:700;cursor:pointer;border:1px solid var(--line-2);background:var(--card);color:var(--ink);transition:.15s}
.btn i{font-size:17px}
.btn:hover{border-color:var(--acc);color:var(--acc)}
.btn:active{transform:scale(.98)}
.btn.grad{background:var(--grad);color:#fff;border:none;box-shadow:var(--glow)}
.btn.grad:hover{color:#fff;filter:brightness(1.06)}

/* search */
.searchbox{max-width:480px;margin:8px auto 0;position:relative}
.searchbox i{position:absolute;left:15px;top:50%;transform:translateY(-50%);color:var(--faint);font-size:18px}
.searchbox input{width:100%;padding:14px 16px 14px 44px;border:1px solid var(--line-2);border-radius:14px;background:var(--field);font-size:15px;color:var(--ink);outline:none;box-shadow:var(--shadow)}
.searchbox input:focus{border-color:var(--acc);box-shadow:0 0 0 3px var(--acc-soft)}

/* category section */
.catsec{margin:30px 0 6px}
.cathead{display:flex;align-items:center;gap:10px;margin:0 2px 14px}
.cathead .ci{width:30px;height:30px;border-radius:9px;background:var(--acc-soft);color:var(--acc);display:grid;place-items:center;font-size:18px;flex:none}
.cathead h2{font-size:16px;font-weight:800;letter-spacing:-.2px}
.cathead .ln{flex:1;height:1px;background:var(--line)}

/* ---------- hub grid ---------- */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(168px,1fr));gap:14px;margin:0 0 6px}
.cal-card{background:var(--card);border:1px solid var(--line-2);border-radius:var(--radius);padding:22px 18px;box-shadow:var(--shadow);transition:transform .18s,box-shadow .18s,border-color .18s;position:relative;overflow:hidden}
.cal-card::before{content:'';position:absolute;inset:0 0 auto 0;height:3px;background:var(--grad);transform:scaleX(0);transform-origin:left;transition:transform .2s}
.cal-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:transparent}
.cal-card:hover::before{transform:scaleX(1)}
.cal-card .ci{width:48px;height:48px;border-radius:14px;background:var(--acc-soft);color:var(--acc);display:grid;place-items:center;font-size:25px;margin-bottom:14px;transition:.2s}
.cal-card .ci i{font-size:25px}
.cal-card:hover .ci{background:var(--grad);color:#fff;box-shadow:var(--glow)}
.cal-card h3{font-size:16px;font-weight:700}
.cal-card p{font-size:12.5px;color:var(--faint);margin-top:3px}
.cal-card .tagx{position:absolute;top:14px;right:14px;font-size:9.5px;font-weight:800;letter-spacing:.06em;color:var(--acc2);background:var(--acc2-soft);padding:3px 8px;border-radius:999px}
.cal-card.hide{display:none}
.noresult{text-align:center;color:var(--faint);padding:30px 0;font-size:14px}

/* ---------- page title ---------- */
.ptitle{padding:30px 0 4px}
.ptitle h1{font-size:clamp(24px,4.8vw,34px);font-weight:800;letter-spacing:-.8px}
.ptitle p{color:var(--muted);margin-top:8px;font-size:15px;max-width:660px}
.crumb{font-size:12.5px;color:var(--faint);margin-bottom:9px;display:flex;align-items:center;gap:5px}
.crumb a:hover{color:var(--acc)}

/* ---------- calculator / generic 2-col card ---------- */
.calc{background:var(--card);border:1px solid var(--line-2);border-radius:var(--radius);box-shadow:var(--shadow);padding:24px;margin:18px 0;display:grid;grid-template-columns:1fr 1fr;gap:28px}
@media(max-width:680px){.calc{grid-template-columns:1fr;gap:20px;padding:18px}}
.field{margin-bottom:18px}
.field>label{display:flex;justify-content:space-between;font-size:13px;font-weight:600;color:var(--muted);margin-bottom:7px}
.inp{display:flex;align-items:center;border:1px solid var(--line-2);border-radius:13px;background:var(--field);overflow:hidden;transition:border-color .15s,box-shadow .15s}
.inp:focus-within{border-color:var(--acc);box-shadow:0 0 0 3px var(--acc-soft)}
.inp .pre,.inp .suf{padding:0 12px;color:var(--faint);font-weight:600;font-size:14px;white-space:nowrap}
.inp input,.inp select{flex:1;border:none;background:none;padding:13px 8px;font-size:16px;font-weight:700;color:var(--ink);width:100%;outline:none}
.inp select{cursor:pointer}
.inp select option{background:var(--card);color:var(--ink)}
.inp input::-webkit-outer-spin-button,.inp input::-webkit-inner-spin-button{-webkit-appearance:none}
input[type=range]{width:100%;margin-top:12px;accent-color:var(--acc);height:4px;cursor:pointer}
input[type=date]{color-scheme:dark}
html[data-theme=light] input[type=date]{color-scheme:light}
.seg{display:flex;gap:6px;flex-wrap:wrap}
.seg button{flex:1;min-width:50px;padding:10px 8px;border:1px solid var(--line-2);background:var(--field);border-radius:11px;font-size:13.5px;font-weight:600;color:var(--muted);cursor:pointer;transition:.15s}
.seg button:hover{border-color:var(--acc);color:var(--acc)}
.seg button.on{background:var(--acc-soft);border-color:var(--acc);color:var(--acc)}

/* tabs (mode switch) */
.tabs{display:flex;gap:4px;background:var(--field);border:1px solid var(--line-2);border-radius:14px;padding:4px;margin-bottom:18px}
.tabs button{flex:1;padding:10px;border:none;background:none;border-radius:10px;font-size:14px;font-weight:700;color:var(--muted);cursor:pointer;transition:.15s}
.tabs button.on{background:var(--card);color:var(--acc);box-shadow:var(--shadow)}

/* advanced toggle row */
.adv{margin:6px 0 16px;border-top:1px dashed var(--line);padding-top:14px}
.swrow{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:12px}
.swrow span{font-size:13.5px;font-weight:600;color:var(--muted);display:flex;align-items:center;gap:7px}
.swrow span i{color:var(--acc);font-size:16px}
.sw{position:relative;width:44px;height:25px;flex:none}
.sw input{opacity:0;width:0;height:0}
.sw i{position:absolute;inset:0;background:var(--line-2);border-radius:999px;transition:.2s;cursor:pointer}
.sw i::before{content:'';position:absolute;width:19px;height:19px;left:3px;top:3px;background:#fff;border-radius:50%;transition:.2s;box-shadow:0 1px 3px rgba(0,0,0,.3)}
.sw input:checked+i{background:var(--acc)}
.sw input:checked+i::before{transform:translateX(19px)}
.subfield{margin-bottom:14px}

/* result panel */
.result{background:var(--panel);border:1px solid var(--line-2);border-radius:16px;padding:22px;display:flex;flex-direction:column;justify-content:center}
.result .big{font-size:13px;color:var(--muted);font-weight:600}
.result .amt{font-size:clamp(28px,6vw,38px);font-weight:800;letter-spacing:-1px;margin:4px 0 16px;background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.rrow{display:flex;justify-content:space-between;padding:9px 0;border-top:1px solid var(--line);font-size:14px;gap:10px}
.rrow span{color:var(--muted)}.rrow b{font-weight:700;text-align:right}
.rrow.hi b{color:var(--acc2)}
.rrow.big-row{font-size:15px}

/* ad slot */
.ad{margin:22px 0;min-height:90px;border:1px dashed var(--line-2);border-radius:14px;display:grid;place-items:center;color:var(--faint);font-size:11px;letter-spacing:.14em;text-transform:uppercase;background:var(--field)}

/* SEO content */
.content{background:var(--card);border:1px solid var(--line-2);border-radius:var(--radius);padding:24px 22px;margin:18px 0;box-shadow:var(--shadow)}
.content h2{font-size:19px;font-weight:700;margin:18px 0 8px;letter-spacing:-.3px}
.content h2:first-child{margin-top:0}
.content p,.content li{color:var(--muted);font-size:14.5px;margin-bottom:8px}
.content ul{padding-left:20px}
.content a{color:var(--acc);font-weight:600}
.formula{background:var(--acc-soft);border-radius:11px;padding:12px 14px;font-size:14px;color:var(--acc);font-weight:600;margin:8px 0}
.faq{border-top:1px solid var(--line);padding:14px 0}
.faq:last-child{border-bottom:1px solid var(--line)}
.faq h3{font-size:15px;font-weight:700;margin-bottom:5px;color:var(--ink)}
.faq p{font-size:14px;color:var(--muted)}

/* ---------- footer ---------- */
.foot{border-top:1px solid var(--line);margin-top:34px;padding:30px 0;text-align:center;color:var(--faint);font-size:12.5px;background:var(--bg-2)}
.foot a{color:var(--muted);margin:0 8px}.foot a:hover{color:var(--acc)}
.foot .fl{margin-bottom:10px;display:flex;flex-wrap:wrap;justify-content:center;gap:2px}
.foot .brand{display:inline-flex;align-items:center;gap:8px;font-weight:800;color:var(--ink);margin-bottom:10px}
.foot .brand .lm{width:26px;height:26px;border-radius:8px;background:var(--grad);display:grid;place-items:center;color:#fff;font-size:14px}
.foot .brand .lm svg{width:15px;height:15px}

/* toast */
.toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%) translateY(20px);background:var(--ink);color:var(--bg);padding:12px 22px;border-radius:999px;font-size:13.5px;font-weight:700;opacity:0;pointer-events:none;transition:.25s;z-index:50;box-shadow:var(--shadow-lg)}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

.muted{color:var(--muted)} .small{font-size:12.5px}

/* ============================================================
   Chitra image-tool components (drop zone, preview, etc.)
   ============================================================ */
/* drop zone */
.drop{border:2px dashed var(--line-2);border-radius:var(--radius);background:var(--field);padding:40px 20px;text-align:center;cursor:pointer;transition:.18s;position:relative;overflow:hidden}
.drop::before{content:'';position:absolute;inset:0;background:var(--grad-soft);opacity:0;transition:.2s;pointer-events:none}
.drop:hover,.drop.over{border-color:var(--acc)}
.drop:hover::before,.drop.over::before{opacity:1}
.drop>*{position:relative}
.drop .di{width:60px;height:60px;border-radius:17px;background:var(--grad);color:#fff;display:grid;place-items:center;font-size:28px;margin:0 auto 16px;box-shadow:var(--glow)}
.drop .di i{font-size:28px}
.drop h3{font-size:17px;font-weight:700}
.drop p{font-size:13px;color:var(--faint);margin-top:5px}
.drop input[type=file]{display:none}

/* preview + result */
.preview{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:18px 0}
@media(max-width:620px){.preview{grid-template-columns:1fr}}
.pcard{background:var(--card);border:1px solid var(--line-2);border-radius:var(--radius);box-shadow:var(--shadow);padding:18px;text-align:center}
.pcard h4{font-size:11px;font-weight:800;color:var(--faint);text-transform:uppercase;letter-spacing:.08em;margin-bottom:12px}
.pcard img{max-width:100%;max-height:280px;border-radius:12px;background:
  repeating-conic-gradient(rgba(255,255,255,.05) 0 25%,transparent 0 50%) 50%/18px 18px}
.pcard .meta{font-size:13px;color:var(--muted);margin-top:12px}
.pcard .meta b{color:var(--ink)}
.savepill{display:inline-block;font-size:12px;font-weight:800;color:var(--good);background:var(--good-soft);padding:5px 13px;border-radius:999px;margin-top:9px}

.toolwrap{background:var(--card);border:1px solid var(--line-2);border-radius:var(--radius);box-shadow:var(--shadow);padding:22px;margin:18px 0}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
@media(max-width:520px){.row2{grid-template-columns:1fr}}
.dlbtn{display:inline-flex;align-items:center;gap:8px;background:var(--grad);color:#fff;border:none;padding:13px 22px;border-radius:13px;font-size:15px;font-weight:700;cursor:pointer;box-shadow:var(--glow);transition:.15s}
.dlbtn:hover{filter:brightness(1.06)} .dlbtn:active{transform:scale(.98)} .dlbtn i{font-size:18px}
.hint{font-size:12.5px;color:var(--faint);margin-top:6px}

/* live camera modal (passport) */
.cammodal{position:fixed;inset:0;z-index:200;background:#000;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;padding:16px}
.cammodal[hidden]{display:none}
.camwrap{position:relative;width:min(92vw,420px);aspect-ratio:var(--ar,3/4);max-height:66vh;background:#111;border-radius:16px;overflow:hidden;box-shadow:var(--shadow-lg)}
.camwrap video{width:100%;height:100%;object-fit:cover;display:block}
.camguide{position:absolute;inset:0;width:100%;height:100%}
.cambar{display:flex;gap:10px;flex-wrap:wrap;justify-content:center}

/* ---------- onboarding walkthrough ---------- */
.intro-ov{position:fixed;inset:0;z-index:400;display:flex;align-items:center;justify-content:center;padding:22px;
  background:rgba(6,5,3,.72);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);
  opacity:0;transition:opacity .2s}
.intro-ov.show{opacity:1}
.intro-card{position:relative;width:100%;max-width:360px;background:var(--card);border:1px solid var(--line-2);
  border-radius:22px;box-shadow:var(--shadow-lg);padding:30px 24px 24px;text-align:center;
  transform:translateY(10px) scale(.98);transition:transform .22s}
.intro-ov.show .intro-card{transform:none}
.intro-skip{position:absolute;top:12px;right:12px;border:0;background:transparent;color:var(--faint);
  font-size:13px;font-weight:600;cursor:pointer;padding:6px 8px;border-radius:8px}
.intro-skip:hover{color:var(--ink)}
.intro-ic{width:66px;height:66px;margin:0 auto 16px;border-radius:20px;display:grid;place-items:center;
  background:var(--grad-soft);color:var(--acc);box-shadow:var(--glow)}
.intro-ic svg{width:32px;height:32px}
.intro-card h3{font-size:21px;margin-bottom:8px;color:var(--ink)}
.intro-card p{font-size:14.5px;color:var(--muted);line-height:1.6;margin:0 auto;max-width:290px}
.intro-dots{display:flex;gap:7px;justify-content:center;margin:20px 0 18px}
.intro-dots span{width:7px;height:7px;border-radius:999px;background:var(--line-2);transition:.2s}
.intro-dots span.on{width:22px;background:var(--acc)}
.intro-nav{display:flex;gap:10px;justify-content:center}
.intro-nav .btn{min-width:110px;justify-content:center}
.intro-back{background:var(--field);border:1px solid var(--line-2)}

/* ---------- rate prompt bar ---------- */
.rate-bar{position:fixed;left:12px;right:12px;bottom:12px;z-index:350;max-width:520px;margin:0 auto;
  display:flex;align-items:center;gap:12px;padding:12px 12px 12px 16px;
  background:var(--card);border:1px solid var(--line-2);border-radius:16px;box-shadow:var(--shadow-lg);
  transform:translateY(140%);transition:transform .28s cubic-bezier(.2,.8,.2,1)}
.rate-bar.show{transform:none}
.rate-bar .rb-star{font-size:22px;color:var(--gold);flex:none}
.rate-bar .rb-tx{flex:1;min-width:0;display:flex;flex-direction:column;line-height:1.3}
.rate-bar .rb-tx b{font-size:14.5px;color:var(--ink)}
.rate-bar .rb-tx span{font-size:12.5px;color:var(--muted)}
.rate-bar .rb-go{flex:none;border:0;border-radius:11px;padding:10px 16px;background:var(--grad);color:#fff;
  font-weight:800;font-size:13.5px;cursor:pointer;box-shadow:var(--glow)}
.rate-bar .rb-go:active{transform:scale(.97)}
.rate-bar .rb-x{flex:none;border:0;background:transparent;color:var(--faint);font-size:15px;cursor:pointer;padding:6px 8px}
.rate-bar .rb-x:hover{color:var(--ink)}
.foot .fl a.rate-link{color:var(--gold)}

/* GBOXFIX-v1 */
.logo .tx,.logo span.tx,.foot .brand .tx{background:none!important;background-image:none!important;-webkit-background-clip:border-box!important;background-clip:border-box!important;color:var(--gold,#e3bd6e)!important;-webkit-text-fill-color:var(--gold,#e3bd6e)!important}
.hero h1 b,.hero h1 .g,.hero h1 .grad,.ptitle h1 b,.brand .nm em{background:none!important;background-image:none!important;-webkit-background-clip:border-box!important;background-clip:border-box!important;color:var(--gold,#e3bd6e)!important;-webkit-text-fill-color:var(--gold,#e3bd6e)!important}