/* =========================================================
   ศูนย์รวม Prompt สำหรับมือใหม่ — professional theme
   ========================================================= */
:root{
  --bg:#f5f6fb;
  --card:#ffffff;
  --text:#111827;
  --muted:#6b7280;
  --primary:#6d28d9;
  --primary2:#2563eb;
  --primary-soft:#eef0ff;
  --border:#e6e8f0;
  --dark:#0f172a;
  --ok:#16a34a;
  --danger:#dc2626;
  --radius-lg:22px;
  --radius-md:16px;
  --radius-sm:10px;
  --shadow-sm:0 2px 10px rgba(17,24,39,.05);
  --shadow-md:0 10px 28px rgba(17,24,39,.08);
  --shadow-lg:0 20px 48px rgba(76,29,149,.14);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:'Kanit','Segoe UI',system-ui,-apple-system,Tahoma,sans-serif;
  background:var(--bg);
  color:var(--text);
  min-height:100vh;
  display:flex;
  flex-direction:column;
}
a{color:inherit;text-decoration:none}
img{max-width:100%}
h1,h2,h3{font-family:inherit}

/* ---------- Topbar ---------- */
.topbar{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--border);
}
.nav{
  max-width:1240px;margin:auto;padding:14px 20px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  position:relative;
}
.brand{
  font-weight:800;font-size:18px;display:flex;align-items:center;gap:10px;
  white-space:nowrap;
}
.brand-icon{
  background:linear-gradient(135deg,var(--primary),var(--primary2));
  color:#fff;width:38px;height:38px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;font-size:19px;
  flex:none;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text em{font-style:normal;font-size:12px;font-weight:600;color:var(--muted)}
.navtoggle{
  display:none;background:none;border:1px solid var(--border);border-radius:10px;
  font-size:20px;padding:6px 10px;cursor:pointer;color:var(--text);
}
.navlinks{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.navlinks > a{
  display:inline-flex;align-items:center;gap:6px;
  padding:9px 14px;border-radius:12px;background:var(--primary-soft);
  color:#3730a3;font-weight:700;font-size:14px;white-space:nowrap;
}
.navuser{
  font-weight:700;font-size:13.5px;color:var(--text);
  display:flex;align-items:center;gap:6px;padding:6px 10px;
  background:#f3f4f6;border-radius:999px;
}
.admin-tag{
  background:linear-gradient(135deg,var(--primary),var(--primary2));
  color:#fff;font-size:11px;padding:2px 8px;border-radius:999px;font-weight:800;
}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:0;border-radius:14px;padding:12px 18px;
  background:linear-gradient(135deg,var(--primary),var(--primary2));
  color:#fff;font-weight:700;font-size:14.5px;cursor:pointer;
  box-shadow:0 8px 20px rgba(109,40,217,.25);
  transition:.18s transform ease,.18s box-shadow ease;
  font-family:inherit;
}
.btn:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(109,40,217,.32)}
.btn.ghost,.ghost{
  background:#fff;color:var(--text);border:1.5px solid var(--border);
  box-shadow:none;
}
.btn.ghost:hover{border-color:var(--primary);color:var(--primary);transform:none}
.btn.sm{padding:8px 14px;font-size:13px;border-radius:11px}
.btn.block{width:100%}
.btn.danger{background:linear-gradient(135deg,#ef4444,#dc2626)}

/* ---------- Hero ---------- */
.hero{max-width:1000px;margin:0 auto;padding:56px 20px 22px;text-align:center}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--primary-soft);color:var(--primary);
  font-weight:700;font-size:13px;padding:8px 16px;border-radius:999px;margin-bottom:18px;
}
.hero h1{
  font-size:clamp(30px,5.4vw,54px);line-height:1.14;margin:0 0 16px;font-weight:800;
  background:linear-gradient(135deg,#1f2937,#4c1d95 60%,#4338ca);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero p{font-size:17px;color:var(--muted);margin:0 auto 26px;max-width:700px}
.search{
  display:flex;gap:8px;max-width:720px;margin:auto;background:#fff;
  border:1px solid var(--border);border-radius:20px;padding:8px;
  box-shadow:var(--shadow-lg);
}
.search input{
  flex:1;border:0;outline:0;font-size:15.5px;padding:13px 16px;
  border-radius:14px;font-family:inherit;background:transparent;
}
.search button{border-radius:14px}

/* ---------- Chips ---------- */
.chips{
  display:flex;gap:10px;flex-wrap:wrap;padding:18px 20px 4px;
  max-width:1240px;margin:auto;justify-content:center;
}
.chip{
  white-space:nowrap;background:#fff;border:1.5px solid var(--border);
  border-radius:999px;padding:9px 16px;color:#374151;font-weight:700;font-size:14px;
  transition:.15s;
}
.chip:hover{border-color:var(--primary);color:var(--primary)}
.chip.active{
  background:linear-gradient(135deg,var(--primary),var(--primary2));
  color:#fff;border-color:transparent;box-shadow:0 6px 16px rgba(109,40,217,.28);
}

/* ---------- Grid / Cards ---------- */
.grid{
  max-width:1240px;margin:auto;padding:28px 20px 56px;
  display:grid;grid-template-columns:repeat(4,1fr);gap:22px;flex:1;
}
.card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius-lg);
  overflow:hidden;box-shadow:var(--shadow-sm);transition:.22s;display:flex;flex-direction:column;
}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md);border-color:#ddd6fe}
.thumb{
  position:relative;height:170px;
  background:linear-gradient(135deg,#111827,#4c1d95);
  display:flex;align-items:center;justify-content:center;color:#fff;font-size:40px;
}
.thumb img{width:100%;height:100%;object-fit:cover}
.thumb-badges{
  position:absolute;top:10px;left:10px;display:flex;gap:6px;flex-wrap:wrap;max-width:90%;
}
.cardbody{padding:15px 16px 16px;display:flex;flex-direction:column;gap:10px;flex:1}
.badge{
  display:inline-flex;padding:5px 11px;border-radius:999px;
  background:var(--primary-soft);color:#4f46e5;font-weight:700;font-size:11.5px;
  white-space:nowrap;
}
.badge.solid{background:rgba(17,24,39,.72);color:#fff;backdrop-filter:blur(4px)}
.title{font-weight:700;font-size:16px;line-height:1.4;margin:0;flex:1}
.meta{display:flex;gap:14px;color:var(--muted);font-size:12.5px;align-items:center}
.byline{display:flex;align-items:center;gap:8px;color:var(--muted);font-size:12.5px}
.avatar{
  width:22px;height:22px;border-radius:50%;
  background:linear-gradient(135deg,var(--primary),var(--primary2));
  color:#fff;display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:800;
}

/* ---------- Detail page ---------- */
.wrap{max-width:1240px;margin:auto;padding:28px 20px 60px;flex:1;width:100%}
.breadcrumb{margin-bottom:18px;font-weight:700;color:var(--primary);font-size:14px}
.detail{display:grid;grid-template-columns:44% 56%;gap:26px;align-items:flex-start}
.panel{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);
  padding:28px;box-shadow:var(--shadow-sm);
}
.imagebox{
  min-height:420px;background:linear-gradient(135deg,#111827,#4c1d95);
  border-radius:var(--radius-lg);display:flex;align-items:center;justify-content:center;
  overflow:hidden;box-shadow:var(--shadow-sm);position:sticky;top:90px;
}
.imagebox img{max-width:100%;max-height:100%;object-fit:contain}
.panel h1{font-size:26px;line-height:1.35;margin:14px 0 10px}
.panel h3{font-size:15px;margin:22px 0 8px;color:var(--text)}
.panel .meta{margin:6px 0 0}
.promptbox{
  background:#111827;color:#f3f4f6;border-radius:var(--radius-md);padding:22px;
  white-space:pre-wrap;line-height:1.8;font-size:14.5px;max-height:520px;overflow:auto;
  border:1px solid #1f2937;
}
.actions{display:flex;gap:10px;flex-wrap:wrap;margin:18px 0}
.instruction-box{
  background:var(--primary-soft);border-radius:var(--radius-md);padding:16px 18px;
  color:#3730a3;line-height:1.75;font-size:14.5px;
}
.instruction-panel{
  background:var(--primary-soft);border-radius:var(--radius-md);
  padding:18px 20px;margin:20px 0;
}
.instruction-title{
  font-weight:800;font-size:15px;color:#3730a3;margin-bottom:14px;
  display:flex;align-items:center;gap:8px;
}
.instruction-steps{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:12px}
.instruction-steps li{display:flex;align-items:flex-start;gap:12px}
.step-num{
  flex:none;width:24px;height:24px;border-radius:50%;
  background:linear-gradient(135deg,var(--primary),var(--primary2));
  color:#fff;font-weight:800;font-size:12.5px;
  display:flex;align-items:center;justify-content:center;
  margin-top:1px;
}
.step-text{color:#3730a3;font-size:14.5px;line-height:1.65;padding-top:2px}

/* ---------- Forms ---------- */
.form{
  max-width:980px;margin:26px auto;background:#fff;border:1px solid var(--border);
  border-radius:var(--radius-lg);padding:26px;box-shadow:var(--shadow-sm);
}
.form h1{font-size:22px;margin-top:0}
label{font-weight:700;display:block;margin:14px 0 8px;font-size:14px}
input,textarea,select{
  width:100%;border:1.5px solid var(--border);border-radius:var(--radius-sm);
  padding:12px 14px;font:inherit;background:#fff;font-size:14.5px;
}
input:focus,textarea:focus,select:focus{outline:2px solid var(--primary);outline-offset:1px;border-color:var(--primary)}
textarea{min-height:170px;resize:vertical}
.row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.req{color:#dc2626;font-weight:800;margin-left:2px}

/* ---------- Table ---------- */
.tablewrap{overflow-x:auto;border-radius:var(--radius-md);border:1px solid var(--border);background:#fff}
.table{width:100%;border-collapse:collapse;background:#fff}
.table th,.table td{padding:13px 14px;border-bottom:1px solid var(--border);text-align:left;vertical-align:top;font-size:14px}
.table th{background:#f9fafb;font-weight:800;white-space:nowrap}
.table tr:last-child td{border-bottom:0}
.table tr:hover td{background:#fafaff}

/* ---------- Notices ---------- */
.notice{padding:14px 18px;border-radius:var(--radius-sm);background:#ecfdf5;color:#065f46;font-weight:700;font-size:14.5px;margin:0 0 18px}
.notice.error{background:#fef2f2;color:#991b1b}
.notice.info{background:var(--primary-soft);color:#3730a3}

/* ---------- Admin dashboard ---------- */
.adminbar{max-width:1240px;margin:20px auto 0;padding:0 20px;display:flex;gap:10px;flex-wrap:wrap}
.statgrid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-bottom:26px}
.statcard{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-md);
  padding:20px;box-shadow:var(--shadow-sm);
}
.statcard .num{font-size:28px;font-weight:800;color:var(--primary);margin:6px 0 2px}
.statcard .label{color:var(--muted);font-size:13.5px;font-weight:600}
.toolgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:14px;margin:22px 0}
.toolcard{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-md);
  padding:18px;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;gap:8px;transition:.18s;
}
.toolcard:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#ddd6fe}
.toolcard .ticon{font-size:26px}
.toolcard .tname{font-weight:800;font-size:15px}
.toolcard .tdesc{color:var(--muted);font-size:13px;line-height:1.5}

/* ---------- Auth pages ---------- */
.authwrap{flex:1;display:flex;align-items:center;justify-content:center;padding:40px 20px}
.authcard{
  width:100%;max-width:420px;background:#fff;border:1px solid var(--border);
  border-radius:var(--radius-lg);padding:30px 28px;box-shadow:var(--shadow-lg);
}
.authtabs{display:flex;gap:8px;background:#f3f4f6;padding:5px;border-radius:14px;margin-bottom:22px}
.authtab{
  flex:1;border:0;background:transparent;padding:10px;border-radius:10px;
  font-weight:700;font-size:14px;cursor:pointer;color:var(--muted);font-family:inherit;
}
.authtab.active{background:#fff;color:var(--primary);box-shadow:0 2px 8px rgba(0,0,0,.06)}
.authcard h1{font-size:22px;margin:0 0 6px}
.authsub{color:var(--muted);font-size:14px;margin:0 0 18px}
.authform label{margin-top:12px}
.authfoot{text-align:center;margin-top:18px;font-size:14px;color:var(--muted)}
.authfoot a{color:var(--primary);font-weight:700}
.authfoot.muted{font-size:13px}

/* ---------- Footer stats section (home) ---------- */
.homefoot{
  max-width:1240px;margin:10px auto 40px;padding:0 20px;
  display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:20px;
}
.homefoot .fbox{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);
  padding:22px 24px;box-shadow:var(--shadow-sm);
}
.homefoot h3{margin:0 0 10px;font-size:16px;display:flex;align-items:center;gap:8px}
.homefoot p{color:var(--muted);font-size:14px;line-height:1.75;margin:0}
.tagcloud{display:flex;flex-wrap:wrap;gap:8px}
.tagcloud a{
  background:var(--primary-soft);color:#4338ca;font-weight:700;font-size:13px;
  padding:7px 12px;border-radius:999px;
}
.statrow{display:flex;flex-direction:column;gap:14px}
.statitem{display:flex;align-items:center;gap:12px}
.statitem .ico{
  width:42px;height:42px;border-radius:12px;background:var(--primary-soft);
  display:flex;align-items:center;justify-content:center;font-size:19px;flex:none;
}
.statitem .snum{font-weight:800;font-size:19px;line-height:1.1}
.statitem .slabel{color:var(--muted);font-size:12.5px}

/* ---------- Site footer ---------- */
.sitefooter{border-top:1px solid var(--border);background:#fff;margin-top:auto}
.sitefooter-inner{max-width:1240px;margin:auto;padding:20px;text-align:center;color:var(--muted);font-size:13px}

.empty{text-align:center;padding:60px 20px;color:var(--muted);font-size:15px}
.install{max-width:760px;margin:70px auto;background:#fff;border:1px solid var(--border);border-radius:28px;padding:36px;text-align:center}

/* ---------- Pagination ---------- */
.pagination{display:flex;justify-content:center;align-items:center;gap:8px;margin:8px 0 30px;flex-wrap:wrap}
.pagination a,.pagination span{
  min-width:38px;height:38px;display:flex;align-items:center;justify-content:center;
  border-radius:10px;font-weight:700;font-size:13.5px;border:1.5px solid var(--border);background:#fff;
}
.pagination a.active{background:linear-gradient(135deg,var(--primary),var(--primary2));color:#fff;border-color:transparent}

/* =========================================================
   Responsive
   ========================================================= */
@media(max-width:1100px){
  .grid{grid-template-columns:repeat(3,1fr)}
  .statgrid{grid-template-columns:repeat(2,1fr)}
  .homefoot{grid-template-columns:1fr}
}
@media(max-width:980px){
  .detail{grid-template-columns:1fr}
  .imagebox{min-height:300px;position:static}
}
@media(max-width:860px){
  .navtoggle{display:inline-flex}
  .navlinks{
    display:none;position:absolute;top:100%;right:20px;left:20px;
    background:#fff;border:1px solid var(--border);border-radius:16px;
    padding:14px;flex-direction:column;align-items:stretch;box-shadow:var(--shadow-md);
    margin-top:10px;
  }
  .navlinks.open{display:flex}
  .navlinks > a,.navlinks .btn{width:100%;text-align:center}
  .navuser{justify-content:center}
}
@media(max-width:720px){
  .grid{grid-template-columns:repeat(2,1fr);gap:14px;padding:22px 16px 40px}
  .nav{padding:12px 16px}
  .row{grid-template-columns:1fr}
  .hero{padding:34px 16px 18px}
  .panel{padding:20px}
  .wrap{padding:20px 16px 44px}
  .chips{padding:14px 16px 4px}
  .statgrid{grid-template-columns:1fr 1fr}
  .toolgrid{grid-template-columns:1fr 1fr}
}
@media(max-width:480px){
  .grid{grid-template-columns:1fr}
  .thumb{height:200px}
  .hero h1{font-size:30px}
  .hero p{font-size:15px}
  .actions .btn{width:100%}
  .statgrid{grid-template-columns:1fr}
  .toolgrid{grid-template-columns:1fr}
  .authcard{padding:24px 20px}
  .search{flex-direction:column;border-radius:18px}
  .search button{width:100%}
}