.admin-nav{display:flex;gap:8px;flex-wrap:wrap;margin:22px 0}.admin-nav a{padding:9px 13px;border:1px solid #dce8e8;border-radius:9px;background:#fff;color:#315d64;text-decoration:none;font-weight:700}.admin-nav a:hover{background:#e8f8f6}.admin-logout,.admin-cancel{background:#fff!important;color:#315d64!important;border:1px solid #dce8e8!important}.admin-notice{padding:11px 13px;border-radius:9px;background:#e6f8f2;color:#147a67}.admin-form{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.admin-form label{display:block;color:#315d64;font-weight:700}.admin-form .wide{grid-column:1/-1}.admin-form input,.admin-form select,.admin-form textarea{display:block;width:100%;margin-top:5px;padding:10px 11px;border:1px solid #c7dada;border-radius:9px;background:#fbfdfd;color:#13343c}.admin-list>div{display:flex;align-items:center;justify-content:space-between;gap:15px;padding:12px 0;border-top:1px solid #edf2f2}.admin-list b,.admin-list small{display:block}.admin-list small{color:#6a8187}.admin-list a{color:#087e82;text-decoration:none;font-weight:700}.admin-stats{margin:20px 0}.admin-panel>p{color:#6a8187}@media(max-width:600px){.admin-form{grid-template-columns:1fr}.admin-form .wide{grid-column:auto}.admin-top{align-items:flex-start}.admin-top h1{font-size:24px}}

.admin-nav a{border-color:#dfe4eb;color:#263e63}
.admin-nav a:hover{background:#edf1f7}
.admin-logout,.admin-cancel{color:#263e63!important;border-color:#dfe4eb!important}
.admin-notice{background:#eaf0f7;color:#25446e}
.admin-form label{color:#334b6d}
.admin-form input,.admin-form select,.admin-form textarea{border-color:#cbd4e1;background:#fcfdff;color:#17243a}
.admin-form input:focus,.admin-form select:focus,.admin-form textarea:focus{border-color:#476a9a;outline:3px solid rgba(71,106,154,.14)}
.admin-list>div{border-color:#e6eaf0}
.admin-list small,.admin-panel>p{color:#667184}
.admin-list a{color:#203f70}
.year-context{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:18px 0 0;padding:12px 14px;border:1px solid #dfe4eb;border-radius:11px;background:#fff;color:#536278;font-size:13px;font-weight:700}.year-context select{min-width:260px;padding:8px 30px 8px 10px;border:1px solid #cbd4e1;border-radius:8px;background:#fcfdff;color:#17243a;font:inherit}@media(max-width:600px){.year-context{align-items:stretch;flex-direction:column}.year-context select{width:100%;min-width:0}}

/* Data and form copy use normal weight; headings and navigation stay prominent. */
.admin-shell :where(p,small,label,b,span),.auth-wrap :where(p,label){font-weight:400}
.admin-shell :where(h1,h2,h3){font-weight:700}
.admin-list a,.year-context{font-weight:400}
.admin-form label,.admin-form input,.admin-form select,.admin-form textarea{font-weight:400}
.admin-user-shortcut{display:block;padding:10px 12px;border-radius:9px;background:#e9eef5;color:#122b50;text-decoration:none;font-size:14px;font-weight:400}

/* Administration navigation mirrors the public site's left sidebar. */
.admin-shell{max-width:1540px;display:grid;grid-template-columns:245px minmax(0,1fr);column-gap:30px;row-gap:20px;align-items:start}
.admin-top{grid-column:1/-1}.admin-nav{grid-column:1;grid-row:2;display:flex;position:sticky;top:96px;flex-direction:column;gap:5px;margin:0;padding:18px 14px;border:1px solid #dfe4eb;border-radius:14px;background:#fbfcfe}.admin-nav:before{content:'เมนูหลัก';margin:0 0 7px;padding:0 10px;color:#233b60;font-size:16px;font-weight:700}.admin-nav a{padding:10px 12px;border:0;border-radius:9px;background:transparent;color:#536278;font-weight:400}.admin-nav a:hover{background:#e9eef5;color:#122b50}.year-context{grid-column:2;grid-row:2;margin:0}.admin-user-shortcut{grid-column:1;grid-row:3;align-self:start}.admin-notice,.alert,.admin-stats,.admin-panel{grid-column:2}.admin-stats{margin:0}.admin-panel{margin-top:0}
@media(max-width:780px){.admin-shell{display:block}.admin-nav{position:static;display:flex;flex-direction:row;overflow-x:auto;grid-column:auto;grid-row:auto;margin:18px 0;padding:9px;white-space:nowrap}.admin-nav:before{display:none}.admin-nav a{flex:0 0 auto;padding:8px 10px}.admin-user-shortcut{margin:0 0 18px}.year-context{margin-top:18px}.admin-stats{margin:20px 0}.admin-panel{margin-top:20px}}

/* Keep the sidebar out of the document flow so it never creates a blank row. */
@media(min-width:781px){.admin-shell{display:block;position:relative;padding-left:275px}.admin-shell>.admin-top{margin-left:-275px}.admin-nav{position:absolute;top:112px;left:0;width:245px}.admin-user-shortcut{position:absolute;top:535px;left:0;width:245px}.year-context{margin:18px 0 0}.admin-notice,.alert,.admin-stats,.admin-panel{margin-left:0}.admin-panel{margin-top:20px}}
.admin-nav .admin-user-shortcut{position:static;top:auto;left:auto;width:auto;margin:0}

/* 4S administration theme — follows the public blue, cyan, purple and pink UI. */
body{background:radial-gradient(circle at 82% 8%,#fff0f8 0,transparent 23%),radial-gradient(circle at 18% 4%,#e8f5ff 0,transparent 27%),#f4f7ff}
.site-header{background:rgba(255,255,255,.94);box-shadow:0 5px 24px rgba(29,66,130,.10)}
.site-header .brand b{font-size:17px;color:#17346b}
.site-header .brand small{color:#7082a7}
.admin-shell{padding-top:24px;padding-bottom:55px}
.admin-top{min-height:118px;padding:24px 28px;border-radius:22px;background:radial-gradient(circle at 82% 20%,rgba(255,255,255,.20),transparent 23%),linear-gradient(115deg,#226df5 0%,#26b9f4 42%,#805cf4 72%,#ff67a7 100%);color:#fff;box-shadow:0 18px 42px rgba(59,83,190,.22)}
.admin-top .eyebrow{color:#fff;opacity:.82}
.admin-top h1{margin:4px 0 0;color:#fff}
.admin-logout{padding:8px 14px!important;border:1px solid rgba(255,255,255,.58)!important;background:rgba(255,255,255,.16)!important;color:#fff!important;box-shadow:none!important;backdrop-filter:blur(8px)}
.admin-logout:hover{background:rgba(255,255,255,.28)!important}
@media(min-width:781px){
  .admin-shell{padding-left:286px}
  .admin-shell>.admin-top{margin-left:-286px}
  .admin-nav{top:166px;width:256px;padding:15px 13px;border:0;border-radius:18px;background:linear-gradient(180deg,#0b3f91 0%,#123f86 48%,#102f68 100%);box-shadow:12px 14px 34px rgba(36,71,139,.16)}
  .admin-nav:before{margin:0 4px 9px;padding:0 9px 9px;color:#ffe67c;border-bottom:1px solid rgba(255,255,255,.16);font-size:17px}
  .admin-nav a,.admin-nav .admin-user-shortcut{padding:8px 11px;border:1px solid transparent;border-radius:10px;background:transparent;color:#eef4ff;font-weight:400}
  .admin-nav a:hover,.admin-nav .admin-user-shortcut:hover{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.16);color:#fff;transform:translateX(2px)}
}
.year-context{padding:11px 15px;border:0;border-radius:16px;background:rgba(255,255,255,.92);box-shadow:0 10px 26px rgba(36,71,139,.09);color:#52698f}
.year-context select{height:40px;border-color:#dbe4f5;border-radius:11px;background:#f8faff;color:#17346b;font-weight:400}
.admin-panel{border:0;border-radius:20px;background:rgba(255,255,255,.96);box-shadow:0 12px 32px rgba(36,71,139,.10)}
.admin-panel h2{color:#17346b}
.admin-actions a{border:0;border-radius:11px;background:linear-gradient(135deg,#edf3ff,#f4edff);color:#315da8}
.admin-actions a:hover{background:linear-gradient(135deg,#dceaff,#eadcff);transform:translateY(-1px)}
.admin-form input,.admin-form select,.admin-form textarea{border-color:#d8e2f2;border-radius:11px;background:#f9fbff}
.admin-form input:focus,.admin-form select:focus,.admin-form textarea:focus{border-color:#5f73ed;outline:3px solid rgba(95,115,237,.14)}
.admin-list a{color:#4565da}
.admin-notice{border-radius:12px;background:#e8fbf5;color:#147a67}
.auth-wrap{position:relative;overflow:hidden;max-width:480px;margin:7vh auto;padding:38px;border:0;border-radius:24px;background:rgba(255,255,255,.97);box-shadow:0 24px 60px rgba(48,67,150,.18)}
.auth-wrap:before{content:"";position:absolute;left:0;right:0;top:0;height:8px;background:linear-gradient(90deg,#25c6f7,#2878ff,#8b5cf6,#ff5ca8,#ffe06b)}
.auth-wrap .eyebrow{color:#6758df}
.auth-wrap h1{color:#17346b}
.auth-wrap input{border-color:#d8e2f2;border-radius:11px;background:#f9fbff}
.auth-wrap .button.primary{min-height:44px;background:linear-gradient(110deg,#2878ff,#7658ed 65%,#d750ae);box-shadow:0 10px 22px rgba(76,78,205,.22)}
.admin-stats{margin-top:16px}
@media(max-width:780px){.admin-shell{padding:18px}.admin-top{min-height:0;padding:20px;border-radius:18px}.admin-nav{background:#103b7c;border:0}.admin-nav a{color:#fff}.auth-wrap{margin:5vh 16px;padding:30px 22px}}
.system-update{display:block;color:rgba(255,255,255,.68);font-size:10px;line-height:1.5;font-weight:400}
.admin-system-update{margin-top:18px;padding:0 8px}
.admin-nav .system-update{margin:15px 5px 3px;padding-top:10px;border-top:1px solid rgba(255,255,255,.18)}
.system-update-page{margin:28px auto 18px;padding:12px 16px;text-align:center;color:#7384a5;font-size:12px}
@media(max-width:780px){.admin-nav .system-update{flex:0 0 100%;margin:5px 4px;padding-top:9px}.admin-system-update{margin:16px 0}}
.school-header-logout{margin:0}
.school-header-logout .header-login{border:0;background:linear-gradient(135deg,#2878ff,#1651d6);color:#fff;cursor:pointer}
.school-header-logout .header-login:hover{background:#174cc8}
.school-page-content .admin-panel{margin-top:20px}
.school-page-content .school-welcome{margin-top:30px}
.school-page-content .school-welcome h2{margin:7px 0 8px}
@media(max-width:560px){
  .school-app-shell .sidebar .system-update{display:none}
  .school-header-logout .header-login{padding:7px 9px;font-size:12px}
  .school-page-content .school-welcome{margin-top:20px}
}