/* Essential Stationeries Co.: shared look for every page (header, footer, buttons, forms, logos, sign-in). */
:root{
  --blue-900:#0E3887;--blue-700:#2A4C9B;--blue-050:#F5F8FF;--ink:#0E3887;--yellow:#FFD34B;--teal:#10BBD4;
  --paper:#FFFFFF;--muted:#5B6C9E;--border:#E7ECFF;--field:#E1E8FF;--ok:#118C4F;--bad:#B00020;--warn-ink:#92400E;--warn-bg:#FFF7ED;
}
*{box-sizing:border-box}
[hidden]{display:none!important}
html,body{margin:0;padding:0}
body{background:var(--blue-050);color:var(--ink);font-family:Inter,system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;line-height:1.5}
a{color:var(--blue-900)}
img{max-width:100%}
.container{max-width:1100px;margin-inline:auto;padding:24px}
@media (max-width:640px){.container{padding:16px}}
.muted{color:var(--muted)} .small{font-size:14px} .err{color:var(--bad);font-weight:700} .ok{color:var(--ok);font-weight:700}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.card{background:var(--paper);border:1px solid var(--border);border-radius:16px;padding:20px;box-shadow:0 6px 18px rgba(14,56,135,.06)}
.info{background:#F5FAFF;border:1px solid #CFE3FF;color:#27457A;border-radius:12px;padding:10px 12px;font-size:14px}
.warn{color:var(--warn-ink);background:var(--warn-bg);border:1px solid #FDE68A;padding:10px 12px;border-radius:12px;font-size:14px}

/* Buttons and fields */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 16px;min-height:44px;border-radius:999px;border:2px solid transparent;
  font:inherit;font-weight:700;cursor:pointer;text-decoration:none;white-space:nowrap}
.btn:hover{text-decoration:none;filter:brightness(.98)}
.btn:disabled{opacity:.5;cursor:not-allowed}
.btn-primary{background:var(--yellow);color:#222}
.btn-outline{background:transparent;border-color:var(--blue-900);color:var(--blue-900)}
.btn-outline:hover{background:rgba(14,56,135,.06)}
.btn-accent{background:var(--teal);color:#fff}
.btn-sm{min-height:36px;padding:6px 12px;font-size:14px}
.linkish{background:none;border:0;padding:0;font:inherit;color:var(--blue-900);text-decoration:underline;cursor:pointer}
input,select,textarea{font:inherit;font-size:16px;padding:11px 12px;border:1px solid var(--field);border-radius:10px;background:#fff;color:var(--ink);max-width:100%}
input:focus,select:focus,textarea:focus,.btn:focus-visible{outline:3px solid rgba(14,56,135,.25);outline-offset:1px}
label{font-weight:700}
.row-form{display:flex;gap:10px;flex-wrap:wrap}
.row-form input{flex:1 1 220px;min-width:0}

/* Header */
.topbar{position:sticky;top:0;z-index:40;background:#fff;border-bottom:1px solid var(--border)}
.topbar .container{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-top:14px;padding-bottom:14px;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:12px;font-weight:800;letter-spacing:.2px;color:var(--blue-900);text-decoration:none}
.brand:hover{text-decoration:none;opacity:.95}
.brand-logo{display:block;height:44px;width:auto;max-width:100%}
@media (max-width:640px){.brand-logo{height:36px}}
.brand-mark{width:36px;height:36px;border-radius:9px;background:var(--blue-900);display:grid;place-items:center;color:#fff;flex:none}
.brand-mark svg{width:22px;height:22px}
.top-actions{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
@media (max-width:640px){.top-actions .btn{min-height:40px;padding:8px 12px;font-size:14px}.top-actions .hide-sm{display:none}}

/* Footer */
.site-footer{background:#0f2f74;color:#dfe7ff;margin-top:40px}
.site-footer a{color:#fff}
.footer-grid{display:grid;gap:18px;grid-template-columns:1.2fr .8fr}
@media (max-width:800px){.footer-grid{grid-template-columns:1fr}}
.footer-links{display:flex;gap:14px;flex-wrap:wrap;margin-top:12px;font-size:14px}

/* School logo: the PNG sits over an initials badge and removes itself if the file is missing */
.school-logo{--logo-bg:var(--blue-900);position:relative;display:inline-grid;place-items:center;flex:none;width:44px;height:44px;border-radius:12px;
  background:var(--logo-bg);color:#fff;font-weight:800;font-size:15px;letter-spacing:.5px;overflow:hidden;border:1px solid rgba(14,56,135,.12)}
.school-logo img{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;background:#fff;padding:3px;opacity:0;transition:opacity .2s}
.school-logo img.on{opacity:1}   /* shown only once the file has loaded, so a missing logo never hides the initials */
.school-logo.sm{width:32px;height:32px;border-radius:9px;font-size:12px}
.school-logo.lg{width:84px;height:84px;border-radius:20px;font-size:26px}

/* Pack photo: the JPG covers a branded placeholder and removes itself if missing */
.pack-img{--logo-bg:var(--blue-900);position:relative;aspect-ratio:4/3;border-radius:12px;overflow:hidden;
  background:linear-gradient(135deg,color-mix(in srgb,var(--logo-bg) 14%,#fff),#F7FAFF)}
.pack-img>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.pack-img-ph{position:absolute;inset:0;display:grid;place-items:center;align-content:center;gap:10px}
.grade-chip{display:inline-block;background:#fff;border:1px solid var(--border);border-radius:999px;padding:3px 10px;font-size:13px;font-weight:700}

/* Sign-in */
.signin{display:grid;gap:10px}
.signin-msg:empty{display:none}