:root{--p9:#1F0A38;--p8:#2E1054;--p7:#4A1A7A;--m:#E0157B;--m-d:#B80F63;--m-soft:#FCE3F0;--line:#E4D6EE;--ink:#241238;--mute:#6B5C80}
*{box-sizing:border-box}
body{margin:0;font-family:'Sarabun',system-ui,sans-serif;font-size:16px;line-height:1.65;color:var(--ink);background:#F6F1FA;display:flex;min-height:100vh}
h1,h2{font-family:'Mitr',sans-serif;font-weight:500;line-height:1.3}
h1{font-size:1.7rem;margin:0 0 18px}
h2{font-size:1.2rem;margin:0 0 10px}
a{color:var(--m-d)}
:focus-visible{outline:3px solid var(--m);outline-offset:2px}
.mark{display:inline-block;width:26px;height:26px;border-radius:50%;background:radial-gradient(circle at 35% 30%,#FF5AA5,var(--m));vertical-align:middle}

.side{width:236px;flex:none;background:var(--p9);color:#E9DCF7;padding:22px 14px;display:flex;flex-direction:column;gap:8px;position:sticky;top:0;height:100vh}
.side-name{font-family:'Mitr',sans-serif;color:#fff;margin:0 8px 14px}
.side nav{display:flex;flex-direction:column;gap:2px;flex:1}
.side nav a{color:#E9DCF7;text-decoration:none;padding:9px 14px;border-radius:10px}
.side nav a:hover{background:rgba(255,255,255,.1)}
.side nav a.on{background:var(--m);color:#fff}
.out{width:100%;padding:9px;border-radius:10px;border:1px solid rgba(255,255,255,.3);background:none;color:#fff;font:inherit;cursor:pointer}
.out:hover{background:rgba(255,255,255,.12)}
.main{flex:1;min-width:0;padding:28px clamp(16px,3vw,40px) 60px}

/* กล่องแจ้งเตือนแบบคงที่ (ใช้กับคำแนะนำที่ต้องอ่านนาน) */
.alert-box{padding:10px 16px;border-radius:10px;margin-bottom:10px;font-weight:600}
.alert-box.ok{background:#E4F7EA;color:#14613A}
.alert-box.err{background:#FDE5EC;color:#9B1239}

/* Pop up แจ้งเตือน: เด้งเข้า -> ค้าง -> เลือนหายเอง (CSS ล้วน ไม่ต้องพึ่ง JS ในการซ่อน) */
.toasts{position:fixed;top:18px;right:18px;z-index:9999;display:flex;flex-direction:column;gap:10px;width:min(380px,calc(100vw - 36px));pointer-events:none}
.toast{--life:4s;position:relative;overflow:hidden;display:flex;align-items:center;gap:12px;padding:13px 14px 15px 14px;border-radius:14px;background:#fff;color:var(--ink);font-weight:600;box-shadow:0 10px 30px rgba(31,10,56,.22);border-left:6px solid #1E9E5A;pointer-events:auto;
  animation:toast-in .38s cubic-bezier(.2,.9,.3,1.2) both,toast-out .35s ease forwards;animation-delay:0s,var(--life)}
.toast.err{--life:7s;border-left-color:#D6245A}
.toast:hover,.toast:hover .toast-bar{animation-play-state:paused}
.toast-ic{flex:none;display:grid;place-items:center;width:28px;height:28px;border-radius:50%;background:#E4F7EA;color:#14613A;font-weight:700}
.toast.err .toast-ic{background:#FDE5EC;color:#9B1239}
.toast-msg{flex:1;min-width:0;overflow-wrap:anywhere}
.toast-x{flex:none;border:0;background:none;color:var(--mute);font-size:1.5rem;line-height:1;cursor:pointer;padding:0 4px}
.toast-x:hover{color:var(--ink)}
.toast-bar{position:absolute;left:0;bottom:0;height:3px;width:100%;background:#1E9E5A;transform-origin:left;animation:toast-bar var(--life) linear forwards}
.toast.err .toast-bar{background:#D6245A}
@keyframes toast-in{from{opacity:0;transform:translateY(-16px) scale(.96)}to{opacity:1;transform:none}}
@keyframes toast-out{to{opacity:0;transform:translateX(24px);visibility:hidden;pointer-events:none}}
@keyframes toast-bar{to{transform:scaleX(0)}}
@media (max-width:600px){.toasts{top:10px;right:50%;transform:translateX(50%)}}
@media (prefers-reduced-motion:reduce){.toast{animation:toast-fade 0s,toast-out .01s forwards;animation-delay:0s,var(--life)}.toast-bar{animation:none}}
@keyframes toast-fade{from{opacity:1}to{opacity:1}}
.hint{color:var(--mute);font-size:.93rem}

.btn-a{display:inline-block;padding:9px 20px;border-radius:999px;border:2px solid var(--m);background:var(--m);color:#fff;font:600 1rem 'Sarabun',sans-serif;text-decoration:none;cursor:pointer}
.btn-a:hover{background:var(--m-d);border-color:var(--m-d)}
.btn-a.ghost{background:#fff;color:var(--m-d)}
.btn-a.ghost:hover{background:var(--m-soft)}

.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:14px;margin-bottom:22px}
.stats a{background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px 18px;text-decoration:none;color:var(--mute)}
.stats a:hover{border-color:var(--m)}
.stats b{display:block;font:500 2rem 'Mitr',sans-serif;color:var(--m);line-height:1.2}
.panel{background:#fff;border:1px solid var(--line);border-radius:14px;padding:22px}
.panel .btn-a{margin:0 8px 8px 0}

.tbl-wrap{background:#fff;border:1px solid var(--line);border-radius:14px;overflow-x:auto}
table{width:100%;border-collapse:collapse}
th,td{padding:11px 14px;text-align:left;border-bottom:1px solid var(--line);vertical-align:middle}
th{background:#FBF7FD;font-weight:600;white-space:nowrap}
tr:last-child td{border-bottom:0}
.clip{display:inline-block;max-width:260px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;vertical-align:bottom}
.pill{padding:2px 12px;border-radius:999px;background:#EEE6F4;color:var(--mute);font-size:.88rem}
.pill.on{background:#E4F7EA;color:#14613A}
.act{white-space:nowrap}
.act form{display:inline;margin-left:12px}
.lnk-del{background:none;border:0;color:#B3123E;font:inherit;cursor:pointer;padding:0;text-decoration:underline}

.form{background:#fff;border:1px solid var(--line);border-radius:14px;padding:24px;max-width:820px}
.form label{display:block;font-weight:600;margin-bottom:16px}
.form label em{color:var(--m)}
.form input[type=text],.form input[type=password],.form input[type=number],.form input[type=date],.form input[type=datetime-local],.form select,.form textarea{display:block;width:100%;margin-top:6px;padding:10px 12px;border:1px solid #CDB9E0;border-radius:10px;font:400 1rem 'Sarabun',sans-serif;background:#fff}
.form input:focus,.form select:focus,.form textarea:focus{border-color:var(--m);outline:0;box-shadow:0 0 0 3px var(--m-soft)}
.form input[type=file]{display:block;margin-top:6px}
.chk{font-weight:400!important;display:flex;align-items:center;gap:8px}
.chk input{width:18px;height:18px;accent-color:var(--m)}
.thumb{display:block;margin:8px 0}
.thumb img{max-height:120px;border-radius:10px;margin-bottom:6px}
fieldset{border:1px solid var(--line);border-radius:12px;margin:8px 0 18px;padding:16px 18px}
legend{font:500 1.05rem 'Mitr',sans-serif;padding:0 8px}
.photo-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(130px,1fr));gap:12px;margin-bottom:10px}
.pt{margin:0!important;font-size:.88rem}
.pt img{width:100%;aspect-ratio:1;object-fit:cover;border-radius:10px;margin-bottom:4px}
.form-btns{margin:6px 0 0}

.login-body{display:grid;place-items:center;padding:20px;background:radial-gradient(110% 90% at 80% 20%,var(--p7),var(--p9))}
.login{background:#fff;border-radius:20px;padding:32px 28px;width:min(400px,100%);box-shadow:0 24px 60px rgba(0,0,0,.35)}
.login h1{font-size:1.35rem;text-align:center}
.login-mark{text-align:center;margin:0 0 6px}
.login-mark .mark{width:46px;height:46px}
.login label{display:block;font-weight:600;margin-bottom:14px}
.login input{display:block;width:100%;margin-top:6px;padding:11px 12px;border:1px solid #CDB9E0;border-radius:10px;font:400 1rem 'Sarabun',sans-serif}
.login .btn-a{width:100%}

@media(max-width:820px){
  body{flex-direction:column}
  .side{width:100%;height:auto;position:static;padding:12px}
  .side nav{flex-direction:row;flex-wrap:wrap;gap:4px}
  .side nav a{padding:7px 12px;font-size:.93rem}
  .side-name{margin:0 4px 6px}
  .out{width:auto;padding:7px 16px;align-self:flex-start}
  .main{padding:20px 14px 48px}
}

/* ---------- โลโก้ ---------- */
.mark-img{display:inline-block;width:auto;height:30px;max-width:120px;object-fit:contain;vertical-align:middle}
.login-mark .mark-img{height:64px;max-width:200px}
.logo-field{margin:0 0 18px}
.lf-label{display:block;font-weight:600;margin-bottom:6px}
.lf-row{display:flex;gap:16px;align-items:center;flex-wrap:wrap}
.lf-preview{width:120px;height:120px;border:1px dashed #b9c0cc;border-radius:10px;background:#f3f5f8 conic-gradient(#e3e7ee 25%,#fff 0 50%,#e3e7ee 0 75%,#fff 0) 0 0/16px 16px;display:flex;align-items:center;justify-content:center;text-align:center;font-size:.8rem;color:#778;padding:8px}
.lf-preview img{max-width:100%;max-height:100%;object-fit:contain}
.lf-row small{display:block;color:#667;margin-top:4px}
.lf-del{display:block;margin-top:8px;font-weight:400}