/* =========================================================
   AI Prompt Generator — Content Hit
   Theme: warm orange / cream, card based, Bangla friendly
   ========================================================= */

:root{
  --bg:        #FFFBF5;
  --bg-soft:   #FFF3E4;
  --card:      #FFFFFF;
  --card-2:    #FFF8F1;
  --text:      #2A2118;
  --muted:     #8A7C6B;
  --line:      #F0E4D4;
  --brand:     #F97316;
  --brand-2:   #FB923C;
  --brand-ink: #C2410C;
  --amber:     #FBBF24;
  --ring:      rgba(249,115,22,.28);
  --shadow:    0 10px 30px rgba(120,72,20,.10);
  --shadow-sm: 0 4px 14px rgba(120,72,20,.08);
  --radius:    18px;
  --radius-sm: 12px;
}

[data-theme="dark"]{
  --bg:        #17130F;
  --bg-soft:   #201913;
  --card:      #211A14;
  --card-2:    #271F17;
  --text:      #F6ECDF;
  --muted:     #A99A86;
  --line:      #362B21;
  --brand:     #FB923C;
  --brand-2:   #F97316;
  --brand-ink: #FDBA74;
  --ring:      rgba(251,146,60,.30);
  --shadow:    0 10px 34px rgba(0,0,0,.45);
  --shadow-sm: 0 4px 16px rgba(0,0,0,.4);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Hind Siliguri",system-ui,"Segoe UI",Roboto,sans-serif;
  background:
    radial-gradient(1200px 500px at 90% -10%, var(--bg-soft), transparent 60%),
    var(--bg);
  color:var(--text);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3{font-family:"Poppins","Hind Siliguri",sans-serif;line-height:1.25;margin:0}
a{color:inherit;text-decoration:none}
b{font-weight:700}
.container{width:min(1140px,92vw);margin-inline:auto}
.muted{color:var(--muted);font-weight:500}
.grad{
  background:linear-gradient(120deg,var(--brand),var(--amber));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}

/* ===== Navbar ===== */
.nav{
  position:sticky;top:0;z-index:40;
  backdrop-filter:saturate(140%) blur(10px);
  background:color-mix(in srgb, var(--bg) 82%, transparent);
  border-bottom:1px solid var(--line);
}
.nav__inner{display:flex;align-items:center;gap:18px;height:64px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:20px}
.brand__dot{width:12px;height:12px;border-radius:50%;
  background:radial-gradient(circle at 35% 35%,#fff,var(--brand));
  box-shadow:0 0 0 4px var(--ring)}
.brand__name b{color:var(--brand)}
.nav__links{display:flex;gap:22px;margin-inline-start:auto;font-weight:500}
.nav__links a{color:var(--muted);transition:color .2s}
.nav__links a:hover{color:var(--brand)}
.icon-btn{
  display:grid;place-items:center;width:40px;height:40px;border-radius:12px;
  border:1px solid var(--line);background:var(--card);cursor:pointer;font-size:18px;
  transition:transform .15s, box-shadow .2s;
}
.icon-btn:hover{transform:translateY(-1px);box-shadow:var(--shadow-sm)}

/* ===== Hero ===== */
.hero{padding:56px 0 30px;text-align:center}
.hero__inner{display:flex;flex-direction:column;align-items:center;gap:18px}
.badge{
  font-size:12.5px;font-weight:600;letter-spacing:.4px;
  color:var(--brand-ink);background:var(--bg-soft);
  border:1px solid var(--line);padding:8px 16px;border-radius:999px;
}
.hero__title{font-size:clamp(30px,6vw,54px);font-weight:800;letter-spacing:-.5px}
.hero__sub{max-width:640px;color:var(--muted);font-size:clamp(15px,2.3vw,18px)}
.hero__sub b{color:var(--text)}
.hero__stats{display:flex;gap:14px;flex-wrap:wrap;justify-content:center;margin-top:6px}
.stat{
  background:var(--card);border:1px solid var(--line);border-radius:14px;
  padding:12px 22px;box-shadow:var(--shadow-sm);min-width:120px;
}
.stat b{display:block;font-family:"Poppins",sans-serif;font-size:26px;color:var(--brand)}
.stat span{font-size:13px;color:var(--muted)}

/* ===== Category pills ===== */
.tool{margin:14px 0 40px}
.cats{
  display:flex;gap:10px;overflow-x:auto;padding:6px 2px 14px;
  scrollbar-width:thin;
}
.cat{
  flex:0 0 auto;display:flex;align-items:center;gap:8px;
  padding:11px 18px;border-radius:999px;cursor:pointer;
  border:1px solid var(--line);background:var(--card);
  font-weight:600;font-size:14.5px;color:var(--text);
  transition:all .18s;white-space:nowrap;
}
.cat:hover{border-color:var(--brand-2);transform:translateY(-1px)}
.cat.is-active{
  background:linear-gradient(120deg,var(--brand),var(--brand-2));
  border-color:transparent;color:#fff;box-shadow:0 8px 18px var(--ring);
}
.cat .emoji{font-size:17px}

/* ===== Tool grid ===== */
.tool__grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.panel{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:22px;box-shadow:var(--shadow);
}
.panel__title{font-size:18px;margin-bottom:16px;display:flex;gap:8px;align-items:baseline}

/* form */
.fields{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.field{display:flex;flex-direction:column;gap:6px}
.field.full{grid-column:1 / -1}
.field label{font-size:13.5px;font-weight:600;color:var(--muted)}
.field input,.field select,.field textarea{
  font-family:inherit;font-size:14.5px;color:var(--text);
  background:var(--card-2);border:1px solid var(--line);border-radius:12px;
  padding:11px 13px;width:100%;transition:border-color .18s, box-shadow .18s;
}
.field textarea{resize:vertical;min-height:62px}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand);box-shadow:0 0 0 4px var(--ring);
}
.field select{appearance:none;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%23F97316' viewBox='0 0 16 16'%3E%3Cpath d='M4 6l4 4 4-4'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 12px center;padding-right:32px}

.actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:20px}
.btn{
  font-family:inherit;font-weight:600;font-size:14.5px;cursor:pointer;
  border-radius:12px;padding:12px 18px;border:1px solid transparent;
  transition:transform .14s, box-shadow .2s, background .2s;
}
.btn:active{transform:scale(.98)}
.btn--primary{
  background:linear-gradient(120deg,var(--brand),var(--brand-2));color:#fff;
  box-shadow:0 8px 18px var(--ring);
}
.btn--primary:hover{transform:translateY(-1px)}
.btn--ghost{background:var(--card-2);border-color:var(--line);color:var(--text)}
.btn--ghost:hover{border-color:var(--brand-2);color:var(--brand)}
.btn--sm{padding:8px 14px;font-size:13px}
.btn--copy{
  background:var(--bg-soft);border:1px solid var(--line);color:var(--brand-ink);
  font-weight:600;padding:8px 16px;
}
.btn--copy:hover:not(:disabled){border-color:var(--brand)}
.btn:disabled{opacity:.5;cursor:not-allowed}

/* output */
.out-panel{display:flex;flex-direction:column}
.out__head{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:14px}
.tabs{display:flex;gap:6px;background:var(--card-2);padding:4px;border-radius:12px;border:1px solid var(--line)}
.tab{
  border:none;background:transparent;cursor:pointer;font-family:inherit;
  font-weight:600;font-size:13.5px;color:var(--muted);padding:7px 13px;border-radius:9px;
  transition:all .15s;
}
.tab.is-active{background:var(--card);color:var(--brand);box-shadow:var(--shadow-sm)}
.output{
  flex:1;min-height:280px;margin:0;
  background:var(--card-2);border:1px solid var(--line);border-radius:14px;
  padding:18px;font-size:14px;line-height:1.7;color:var(--text);
  white-space:pre-wrap;word-break:break-word;overflow:auto;
  font-family:"Hind Siliguri",ui-monospace,"Cascadia Code",monospace;
}
.output.is-code{font-family:ui-monospace,"Cascadia Code","Courier New",monospace;font-size:13px}
.out__hint{font-size:12.5px;color:var(--muted);margin:10px 2px 0;min-height:18px}

/* ===== sections ===== */
.section-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:8px 0 18px}
.section-head h2,h2.section-head{font-size:22px}
.history,.tips{margin:46px 0}
.hist-list{display:grid;gap:12px}
.empty{color:var(--muted);text-align:center;padding:26px;border:1px dashed var(--line);border-radius:14px}
.hist-item{
  background:var(--card);border:1px solid var(--line);border-radius:14px;padding:14px 16px;
  box-shadow:var(--shadow-sm);display:flex;gap:12px;align-items:flex-start;
}
.hist-item .chip{
  flex:0 0 auto;font-size:12px;font-weight:600;color:#fff;
  background:linear-gradient(120deg,var(--brand),var(--brand-2));
  padding:4px 10px;border-radius:999px;
}
.hist-item .body{flex:1;min-width:0}
.hist-item .snippet{font-size:13.5px;color:var(--muted);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.hist-item .meta{font-size:11.5px;color:var(--muted);margin-top:4px}
.hist-item .h-actions{display:flex;gap:6px;flex:0 0 auto}
.hist-item button{
  border:1px solid var(--line);background:var(--card-2);border-radius:9px;
  cursor:pointer;padding:6px 10px;font-size:12.5px;font-family:inherit;color:var(--text);
}
.hist-item button:hover{border-color:var(--brand);color:var(--brand)}

.tip-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:14px}
.tip{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:16px 18px;box-shadow:var(--shadow-sm)}
.tip b{color:var(--brand-ink)}
.tip p{margin:6px 0 0;font-size:13.5px;color:var(--muted)}

/* footer */
.footer{border-top:1px solid var(--line);padding:26px 0;margin-top:20px;color:var(--muted);font-size:13.5px;text-align:center}

/* toast */
.toast{
  position:fixed;left:50%;bottom:26px;transform:translate(-50%,20px);
  background:#1c150f;color:#fff;padding:12px 20px;border-radius:12px;
  font-size:14px;font-weight:500;box-shadow:0 12px 30px rgba(0,0,0,.3);
  opacity:0;pointer-events:none;transition:all .3s;z-index:60;
}
.toast.show{opacity:1;transform:translate(-50%,0)}

/* ===== Prompt Library ===== */
.lib,.guide{margin:52px 0}
.lib-filters{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:20px}
.chip-btn{
  border:1px solid var(--line);background:var(--card);border-radius:999px;
  padding:8px 15px;font-family:inherit;font-weight:600;font-size:13.5px;color:var(--text);
  cursor:pointer;transition:all .16s;
}
.chip-btn:hover{border-color:var(--brand-2);color:var(--brand)}
.chip-btn.is-active{background:linear-gradient(120deg,var(--brand),var(--brand-2));color:#fff;border-color:transparent}
.lib-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:16px}
.lib-card{
  background:var(--card);border:1px solid var(--line);border-radius:16px;padding:18px;
  box-shadow:var(--shadow-sm);display:flex;flex-direction:column;gap:8px;transition:transform .15s,box-shadow .2s;
}
.lib-card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.lib-card__top{display:flex;align-items:center;justify-content:space-between;gap:10px}
.lib-card .tag{font-size:12px;font-weight:600;color:var(--brand-ink);background:var(--bg-soft);
  border:1px solid var(--line);padding:4px 10px;border-radius:999px}
.lib-card h4{font-size:15.5px;font-family:"Poppins","Hind Siliguri",sans-serif}
.lib-card__p{margin:0;font-size:13px;line-height:1.65;color:var(--muted);
  font-family:ui-monospace,"Cascadia Code",monospace}
.mini-copy{border:1px solid var(--line);background:var(--card-2);border-radius:9px;cursor:pointer;
  font-family:inherit;font-size:12px;font-weight:600;color:var(--brand-ink);padding:5px 10px;transition:all .15s}
.mini-copy:hover{border-color:var(--brand);color:var(--brand)}

/* ===== Camera angle guide ===== */
.angle-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(190px,1fr));gap:12px}
.angle-card{
  position:relative;background:var(--card);border:1px solid var(--line);border-radius:14px;
  padding:16px 15px 14px;box-shadow:var(--shadow-sm);transition:transform .15s,border-color .2s;
}
.angle-card:hover{transform:translateY(-2px);border-color:var(--brand-2)}
.angle-card .num{position:absolute;top:12px;right:13px;font-family:"Poppins",sans-serif;
  font-weight:700;font-size:13px;color:#fff;background:linear-gradient(120deg,var(--brand),var(--brand-2));
  width:24px;height:24px;border-radius:8px;display:grid;place-items:center}
.angle-card b{display:block;font-size:15px;padding-right:26px}
.angle-card .en{font-size:12px;color:var(--brand);font-weight:600}
.angle-card p{margin:8px 0 0;font-size:12.5px;color:var(--muted);line-height:1.55}

/* ===== Lens guide ===== */
.lens-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:12px}
.lens-card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:16px;
  box-shadow:var(--shadow-sm);display:flex;flex-direction:column;gap:4px}
.lens-card .mm{font-family:"Poppins",sans-serif;font-weight:800;font-size:22px;color:var(--brand)}
.lens-card b{font-size:14px}
.lens-card p{margin:4px 0 0;font-size:12.5px;color:var(--muted);line-height:1.55}

/* ===== AI tools ===== */
.tool-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:14px}
.tool-card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:18px;
  box-shadow:var(--shadow-sm);display:flex;flex-direction:column;gap:6px;transition:transform .15s,box-shadow .2s}
.tool-card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.tool-card .t-tag{font-size:12px;font-weight:600;color:var(--brand-ink);align-self:flex-start;
  background:var(--bg-soft);border:1px solid var(--line);padding:3px 9px;border-radius:999px}
.tool-card b{font-size:16px;font-family:"Poppins","Hind Siliguri",sans-serif}
.tool-card p{margin:0;font-size:13px;color:var(--muted);line-height:1.6;flex:1}
.tool-card .visit{font-size:12.5px;font-weight:600;color:var(--brand)}

/* ===== Size table ===== */
.size-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow-sm)}
.size-table{width:100%;border-collapse:collapse;min-width:460px;background:var(--card)}
.size-table th,.size-table td{text-align:left;padding:13px 16px;font-size:14px;border-bottom:1px solid var(--line)}
.size-table th{background:var(--card-2);font-family:"Poppins","Hind Siliguri",sans-serif;font-weight:600;color:var(--brand-ink)}
.size-table tbody tr:last-child td{border-bottom:none}
.size-table tbody tr:hover{background:var(--card-2)}
.size-table .ratio{font-family:ui-monospace,monospace;font-size:12.5px;background:var(--bg-soft);
  border:1px solid var(--line);padding:2px 8px;border-radius:6px;color:var(--brand-ink)}

/* ===== Thumbnail mastery ===== */
.thumb-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:14px}
.thumb-card{background:var(--card);border:1px solid var(--line);border-left:4px solid var(--brand);
  border-radius:14px;padding:16px 18px;box-shadow:var(--shadow-sm)}
.thumb-card b{font-size:15px;color:var(--brand-ink)}
.thumb-card p{margin:7px 0 0;font-size:13px;color:var(--muted);line-height:1.6}

/* ===== FAQ ===== */
.faq-list{display:grid;gap:10px}
.faq-item{background:var(--card);border:1px solid var(--line);border-radius:14px;
  padding:2px 18px;box-shadow:var(--shadow-sm);overflow:hidden}
.faq-item summary{cursor:pointer;padding:15px 0;font-weight:600;font-size:15px;list-style:none;
  display:flex;justify-content:space-between;align-items:center;gap:12px}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";font-size:22px;color:var(--brand);font-weight:400;transition:transform .2s}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-a{padding:0 0 16px;font-size:14px;color:var(--muted);line-height:1.7}

/* ===== Responsive ===== */
@media (max-width:860px){
  .tool__grid{grid-template-columns:1fr}
  .nav__links{display:none}
}
@media (max-width:520px){
  .fields{grid-template-columns:1fr}
  .hero{padding:34px 0 18px}
  .actions .btn{flex:1}
  .stat{padding:10px 16px;min-width:96px}
}