:root{
  --navy:#0b1f3f; --navy-2:#12315e; --blue:#1d4ed8; --blue-l:#eff5ff; --blue-b:#dbe7fb;
  --green:#0f766e; --green-5:#10b981; --gold:#c6a15b; --red:#dc2626;
  --ink:#0f1e35; --ink-2:#33455f; --muted:#5f7089; --line:#e3eaf4; --line-2:#eef3f9;
  --bg:#f5f8fc; --card:#fff;
  --r:12px; --r-lg:18px;
  --sh:0 1px 2px rgba(11,31,63,.05),0 4px 14px rgba(11,31,63,.07);
  --sh-2:0 10px 30px rgba(11,31,63,.14);
}
*{box-sizing:border-box}
body{margin:0;font-family:'Noto Sans Thai',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;font-size:15px;line-height:1.65;color:var(--ink-2);background:var(--bg);-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:var(--blue);text-decoration:none}
h1,h2,h3{color:var(--ink);margin:0 0 .5em;line-height:1.3}
h1{font-size:1.5rem}h2{font-size:1.18rem}h3{font-size:1rem}
p{margin:0 0 1em}
.ic{flex:none;vertical-align:-.18em}
:focus-visible{outline:3px solid var(--blue);outline-offset:2px;border-radius:4px}
.loading{padding:80px;text-align:center;color:var(--muted)}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;font:inherit;font-size:.9rem;font-weight:600;
  padding:9px 18px;border-radius:999px;border:1.5px solid transparent;cursor:pointer;transition:.16s;white-space:nowrap}
.btn:hover{transform:translateY(-1px)}
.btn-primary{background:linear-gradient(135deg,var(--navy-2),var(--blue));color:#fff}
.btn-outline{border-color:var(--line);background:#fff;color:var(--navy)}
.btn-outline:hover{border-color:var(--blue);color:var(--blue)}
.btn-danger{background:#fef2f2;color:var(--red);border-color:#fecaca}
.btn-danger:hover{background:var(--red);color:#fff;border-color:var(--red)}
.btn-sm{padding:6px 13px;font-size:.83rem}
.btn-block{width:100%}
.btn[disabled]{opacity:.55;cursor:not-allowed;transform:none}

/* login */
.login-body{display:grid;place-items:center;min-height:100vh;padding:24px;
  background:linear-gradient(160deg,var(--navy),var(--navy-2) 55%,#1b4586)}
.login-card{background:#fff;border-radius:22px;padding:38px 34px;width:100%;max-width:410px;box-shadow:var(--sh-2);text-align:center}
.login-card img{width:150px;margin:0 auto 18px}
.login-card h1{font-size:1.28rem;margin-bottom:4px}
.login-card .sub{color:var(--muted);font-size:.88rem;margin-bottom:24px}
.login-card label{display:block;text-align:left;font-size:.83rem;font-weight:600;color:var(--ink);margin-bottom:14px}
.login-card input{width:100%;margin-top:6px;font:inherit;padding:11px 14px;border:1.5px solid var(--line);border-radius:10px}
.login-card input:focus{outline:0;border-color:var(--blue);box-shadow:0 0 0 3px var(--blue-l)}
.login-card .msg{font-size:.86rem;margin:12px 0 0;font-weight:600;color:var(--muted)}
.login-card .msg.bad{color:var(--red)}
.hint{display:flex;gap:10px;text-align:left;background:var(--blue-l);border:1px solid var(--blue-b);border-radius:12px;padding:13px 15px;margin-top:20px;font-size:.8rem}
.hint .ic{color:var(--blue);margin-top:3px}
.hint strong{display:block;color:var(--ink)}
.hint code{display:block;font-size:1rem;font-weight:700;color:var(--navy);background:#fff;border:1px solid var(--blue-b);border-radius:6px;padding:5px 9px;margin:5px 0}
.hint span{color:var(--muted);line-height:1.5}
.back{display:inline-flex;align-items:center;gap:4px;margin-top:20px;font-size:.85rem;color:var(--muted)}

/* layout */
.admin{display:grid;grid-template-columns:250px 1fr;min-height:100vh}
.side{background:var(--navy);color:#a8c0e2;padding:20px 14px;position:sticky;top:0;height:100vh;overflow-y:auto}
.side-logo{width:132px;margin:4px 6px 22px}
.side nav{display:grid;gap:2px}
.side a{display:flex;align-items:center;gap:11px;padding:10px 13px;border-radius:10px;color:#a8c0e2;font-size:.9rem;font-weight:500}
.side a:hover{background:rgba(255,255,255,.07);color:#fff}
.side a.on{background:var(--blue);color:#fff;font-weight:600}
.side a .ic{opacity:.9}
.side .pill{margin-left:auto;background:var(--gold);color:#241a05;font-size:.7rem;font-weight:700;padding:1px 8px;border-radius:999px}
.side a.on .pill{background:#fff;color:var(--blue)}
.side .divider{height:1px;background:rgba(255,255,255,.1);margin:14px 6px}
.side .side-foot{margin-top:18px;padding-top:14px;border-top:1px solid rgba(255,255,255,.1);font-size:.8rem}
.side .side-foot a{padding:8px 13px}

.main{padding:24px clamp(16px,3vw,34px) 70px;min-width:0}
.topbar{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-bottom:22px}
.topbar h1{margin:0;flex:1}
.topbar .sub{color:var(--muted);font-size:.86rem;margin:2px 0 0;width:100%}

/* dashboard */
.stats{display:grid;grid-template-columns:repeat(auto-fill,minmax(190px,1fr));gap:14px;margin-bottom:26px}
.stat{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);padding:18px 20px;display:flex;gap:14px;align-items:center}
.stat .ic{width:42px;height:42px;padding:9px;border-radius:12px;background:var(--blue-l);color:var(--blue);box-sizing:content-box}
.stat b{display:block;font-size:1.5rem;color:var(--ink);line-height:1.2}
.stat span{font-size:.82rem;color:var(--muted)}
.panel{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);padding:22px 24px;margin-bottom:20px}
.panel h2{display:flex;align-items:center;gap:9px;font-size:1.05rem}
.panel h2 .ic{color:var(--blue)}
.quick{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:12px}
.quick a{display:flex;align-items:center;gap:11px;padding:14px 16px;border:1.5px solid var(--line);border-radius:var(--r);color:var(--ink);font-weight:600;font-size:.9rem;transition:.16s;background:#fff}
.quick a:hover{border-color:var(--blue);color:var(--blue);transform:translateY(-2px);box-shadow:var(--sh)}
.quick a .ic{color:var(--blue)}

/* table */
.tablewrap{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);overflow-x:auto}
table.list{width:100%;border-collapse:collapse;font-size:.89rem;min-width:640px}
table.list th,table.list td{padding:12px 16px;text-align:left;border-bottom:1px solid var(--line-2);vertical-align:middle}
table.list th{background:var(--bg);color:var(--muted);font-weight:600;font-size:.78rem;text-transform:uppercase;letter-spacing:.05em;position:sticky;top:0}
table.list tr:last-child td{border-bottom:0}
table.list tr:hover td{background:#fafcff}
table.list td.actions{text-align:right;white-space:nowrap}
table.list .thumb{width:44px;height:44px;border-radius:9px;object-fit:cover;border:1px solid var(--line)}
.tag{display:inline-flex;align-items:center;gap:5px;font-size:.75rem;font-weight:600;padding:3px 10px;border-radius:999px}
.tag.on{background:#ecfdf5;color:var(--green)}
.tag.off{background:#f1f5f9;color:var(--muted)}
.tag.new{background:#fef3c7;color:#92400e}
.tag.contacted{background:var(--blue-l);color:var(--blue)}
.tag.closed{background:#f1f5f9;color:var(--muted)}
.iconbtn{background:none;border:1.5px solid var(--line);border-radius:9px;padding:6px;cursor:pointer;color:var(--ink-2);transition:.15s;margin-left:5px}
.iconbtn:hover{border-color:var(--blue);color:var(--blue)}
.iconbtn.del:hover{border-color:var(--red);color:var(--red)}
.empty{padding:52px 20px;text-align:center;color:var(--muted)}

/* forms */
.form{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);padding:24px clamp(18px,2.5vw,30px);max-width:900px}
.fgroup{margin-bottom:18px}
.fgroup > label,.flabel{display:block;font-size:.85rem;font-weight:600;color:var(--ink);margin-bottom:6px}
.fhint{font-size:.78rem;color:var(--muted);font-weight:400;margin:4px 0 0}
.req{color:var(--red)}
input[type=text],input[type=password],input[type=number],input[type=date],input[type=email],select,textarea{
  width:100%;font:inherit;font-size:.92rem;padding:10px 13px;border:1.5px solid var(--line);border-radius:10px;background:#fff;color:var(--ink);transition:.16s}
textarea{resize:vertical;line-height:1.7}
textarea.mono{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.84rem}
input:focus,select:focus,textarea:focus{outline:0;border-color:var(--blue);box-shadow:0 0 0 3px var(--blue-l)}
.switch{display:flex;align-items:center;gap:10px;cursor:pointer;font-size:.9rem;font-weight:600;color:var(--ink)}
.switch input{width:44px;height:25px;appearance:none;background:var(--line);border-radius:999px;position:relative;cursor:pointer;transition:.2s;flex:none}
.switch input::after{content:'';position:absolute;top:3px;left:3px;width:19px;height:19px;background:#fff;border-radius:50%;transition:.2s;box-shadow:0 1px 3px rgba(0,0,0,.2)}
.switch input:checked{background:var(--green-5)}
.switch input:checked::after{transform:translateX(19px)}
.color-row{display:flex;gap:10px;align-items:center}
.color-row input[type=color]{width:48px;height:42px;padding:3px;border:1.5px solid var(--line);border-radius:10px;background:#fff;cursor:pointer}

.imgfield{display:flex;gap:14px;align-items:flex-start;flex-wrap:wrap}
.imgprev{width:96px;height:96px;border-radius:12px;border:1.5px dashed var(--line);background:var(--bg);display:grid;place-items:center;overflow:hidden;flex:none}
.imgprev img{width:100%;height:100%;object-fit:cover}
.imgprev .ic{color:var(--line)}
.imgfield .col{flex:1;min-width:220px;display:grid;gap:8px}
.imgs{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:10px}
.imgs .item{position:relative;width:88px;height:88px;border-radius:11px;overflow:hidden;border:1.5px solid var(--line)}
.imgs .item img{width:100%;height:100%;object-fit:cover}
.imgs .item button{position:absolute;top:3px;right:3px;background:rgba(220,38,38,.94);color:#fff;border:0;border-radius:7px;width:22px;height:22px;display:grid;place-items:center;cursor:pointer;padding:0}

.kvlist{display:grid;gap:9px}
.kvrow{display:flex;gap:8px;align-items:center}
.kvrow input,.kvrow select{flex:1;min-width:0}
.kvrow .iconbtn{margin:0;flex:none}

.formbar{position:sticky;bottom:0;background:linear-gradient(180deg,rgba(245,248,252,0),var(--bg) 40%);padding:20px 0 6px;margin-top:24px;display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.formbar .spacer{flex:1}
.msg{font-size:.88rem;font-weight:600;color:var(--muted)}
.msg.ok{color:var(--green)}
.msg.bad{color:var(--red)}

.settings-tabs{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:20px}
.settings-tabs button{background:#fff;border:1.5px solid var(--line);border-radius:999px;padding:9px 17px;font:inherit;font-size:.88rem;font-weight:600;color:var(--ink-2);cursor:pointer;display:inline-flex;align-items:center;gap:7px;transition:.16s}
.settings-tabs button:hover{border-color:var(--blue);color:var(--blue)}
.settings-tabs button.on{background:var(--navy);border-color:var(--navy);color:#fff}
.settings-tabs button.on .ic{color:var(--gold)}

/* media library */
.media-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:14px}
.media-item{position:relative;border:1.5px solid var(--line);border-radius:12px;overflow:hidden;background:#fff;cursor:pointer;transition:.16s}
.media-item:hover{border-color:var(--blue);transform:translateY(-2px);box-shadow:var(--sh)}
.media-item.sel{border-color:var(--blue);box-shadow:0 0 0 3px var(--blue-l)}
.media-item img{width:100%;aspect-ratio:1;object-fit:contain;background:#fff;padding:6px}
.media-item .cap{padding:7px 9px;font-size:.72rem;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.media-item .del{position:absolute;top:5px;right:5px;background:rgba(220,38,38,.94);color:#fff;border:0;border-radius:7px;width:24px;height:24px;display:grid;place-items:center;cursor:pointer;padding:0;opacity:0;transition:.15s}
.media-item:hover .del{opacity:1}
.drop{border:2px dashed var(--line);border-radius:var(--r-lg);padding:30px;text-align:center;color:var(--muted);margin-bottom:18px;background:#fff;transition:.16s}
.drop.over{border-color:var(--blue);background:var(--blue-l);color:var(--blue)}
.drop .ic{color:var(--blue);margin-bottom:6px}

/* modal */
.modal{position:fixed;inset:0;background:rgba(7,20,41,.55);display:grid;place-items:center;padding:20px;z-index:200;backdrop-filter:blur(3px)}
.modal-box{background:#fff;border-radius:20px;width:100%;max-width:820px;max-height:88vh;display:flex;flex-direction:column;box-shadow:var(--sh-2)}
.modal-head{display:flex;align-items:center;gap:12px;padding:18px 22px;border-bottom:1px solid var(--line)}
.modal-head h2{margin:0;flex:1;font-size:1.05rem}
.modal-body{padding:20px 22px;overflow:auto;flex:1}
.modal-foot{padding:15px 22px;border-top:1px solid var(--line);display:flex;gap:10px;justify-content:flex-end}
.icon-pick{display:grid;grid-template-columns:repeat(auto-fill,minmax(74px,1fr));gap:8px}
.icon-pick button{background:#fff;border:1.5px solid var(--line);border-radius:11px;padding:11px 4px 8px;cursor:pointer;display:grid;place-items:center;gap:4px;font-size:.62rem;color:var(--muted);transition:.15s}
.icon-pick button:hover,.icon-pick button.on{border-color:var(--blue);color:var(--blue);background:var(--blue-l)}

.toast{position:fixed;bottom:22px;left:50%;transform:translateX(-50%);background:var(--navy);color:#fff;padding:12px 22px;border-radius:999px;font-size:.88rem;font-weight:600;box-shadow:var(--sh-2);z-index:300;display:flex;align-items:center;gap:9px}
.toast.bad{background:var(--red)}

.burger-admin{display:none;background:none;border:1.5px solid var(--line);border-radius:10px;padding:7px;cursor:pointer;color:var(--navy)}
@media(max-width:900px){
  .admin{grid-template-columns:1fr}
  .side{position:fixed;left:0;top:0;bottom:0;width:250px;z-index:150;transform:translateX(-100%);transition:transform .22s;height:100vh}
  .side.open{transform:none;box-shadow:var(--sh-2)}
  .burger-admin{display:inline-grid;place-items:center}
  .scrim{position:fixed;inset:0;background:rgba(7,20,41,.45);z-index:149}
}