/* SchoolDesk v4 — premium app UI. Brand colours are injected as --brand / --brand-dark / --accent per school. */
:root{--brand:#1d4ed8;--brand-dark:#0f172a;--accent:#f59e0b;--bg:#f5f6fa;--card:#fff;--text:#0f172a;--muted:#667085;--line:#e8eaf1;--ok:#12a06a;--bad:#e5484d;--radius:16px;
--shadow-sm:0 1px 2px rgba(16,24,40,.05);--shadow:0 1px 3px rgba(16,24,40,.05),0 12px 32px -12px rgba(16,24,40,.12);--ring:color-mix(in srgb,var(--brand) 28%,transparent);--side:264px}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font-family:Inter,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;background:var(--bg);color:var(--text);line-height:1.55;font-size:15px;-webkit-font-smoothing:antialiased}
a{color:var(--brand)}
h1,h2,h3{font-family:"Plus Jakarta Sans",Inter,system-ui,sans-serif;line-height:1.2;margin:0 0 .5rem;letter-spacing:-.015em}
.muted{color:var(--muted)}.center{text-align:center}
hr{border:0;border-top:1px solid var(--line);margin:1.2rem 0}
code{background:#eef0f6;padding:2px 7px;border-radius:6px;font-size:.88em}
.ico{width:19px;height:19px;flex:none}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.45rem;background:var(--brand);color:#fff;border:1px solid transparent;border-radius:11px;padding:.62rem 1.15rem;font-weight:600;font-size:.92rem;cursor:pointer;text-decoration:none;font-family:inherit;box-shadow:0 1px 2px rgba(16,24,40,.12),inset 0 1px 0 rgba(255,255,255,.18);transition:transform .12s,filter .15s,box-shadow .15s}
.btn:hover{filter:brightness(1.07);box-shadow:0 6px 16px -6px var(--brand)}.btn:active{transform:translateY(1px)}
.btn-sm{padding:.34rem .75rem;font-size:.8rem;border-radius:9px}
.btn-block{display:flex;width:100%}
.btn-ghost{background:transparent;color:inherit;border-color:rgba(255,255,255,.35);box-shadow:none}
.btn-light{background:#fff;color:var(--brand-dark)}
.btn-danger{background:var(--bad)}.btn-ok{background:var(--ok)}
.btn-outline{background:#fff;color:var(--text);border-color:var(--line);box-shadow:var(--shadow-sm)}
.btn-outline:hover{border-color:var(--brand);color:var(--brand);box-shadow:var(--shadow-sm);filter:none}

/* forms */
.form label{display:block;font-size:.8rem;font-weight:600;margin-bottom:1rem;color:#344054;letter-spacing:.01em}
.form input,.form select,.form textarea{display:block;width:100%;margin-top:.35rem;padding:.68rem .85rem;border:1px solid #d5d9e4;border-radius:11px;font:inherit;font-weight:400;background:#fff;color:var(--text);transition:border-color .15s,box-shadow .15s}
.form input:focus,.form select:focus,.form textarea:focus{outline:0;border-color:var(--brand);box-shadow:0 0 0 4px var(--ring)}
.form input[type=color]{padding:3px;height:46px;cursor:pointer}
.form input[type=checkbox]{display:inline-block;width:auto;margin:0 .5rem 0 0;vertical-align:middle;accent-color:var(--brand)}
.form .hint{font-weight:400;color:var(--muted);font-size:.78rem;margin-top:.25rem;display:block}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:0 1rem}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:0 1rem}
@media(max-width:640px){.grid2,.grid3{grid-template-columns:1fr}}

/* alerts */
.alert{padding:.8rem 1rem;border-radius:12px;margin-bottom:1rem;font-size:.9rem;border:1px solid transparent;font-weight:500}
.alert-success{background:#e7f8ef;color:#085c3a;border-color:#b8ebd2}.alert-error{background:#fdecec;color:#8a1f24;border-color:#f6c6c8}

/* auth */
.auth-body{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:1.2rem;background:radial-gradient(900px 480px at 0% -10%,color-mix(in srgb,var(--brand) 22%,#fff),transparent),radial-gradient(700px 400px at 100% 110%,color-mix(in srgb,var(--accent) 22%,#fff),transparent),var(--bg)}
.auth-card{width:100%;max-width:440px;background:rgba(255,255,255,.92);backdrop-filter:blur(8px);padding:2.2rem;border-radius:24px;box-shadow:0 30px 70px -28px rgba(16,24,40,.35);border:1px solid #fff}
.auth-card h1{font-size:1.6rem}
.auth-logo{display:inline-flex;align-items:center;gap:.6rem;font-family:"Plus Jakarta Sans",sans-serif;font-weight:800;text-decoration:none;color:var(--text);margin-bottom:1.3rem;font-size:1.05rem}
.auth-logo .logo{height:40px;width:40px}
.auth-card .back{display:block;text-align:center;margin-top:.6rem;font-size:.85rem}

/* app shell */
.sidenav{position:fixed;top:0;left:0;bottom:0;width:var(--side);background:var(--brand-dark);color:#cbd2e1;padding:1.1rem .85rem;overflow:auto;z-index:40;display:flex;flex-direction:column;background-image:linear-gradient(180deg,rgba(255,255,255,.05),transparent 40%)}
.side-brand{display:flex;gap:.7rem;align-items:center;padding:.4rem .5rem 1.2rem;border-bottom:1px solid rgba(255,255,255,.09);margin-bottom:.9rem}
.side-brand b{display:block;color:#fff;font-family:"Plus Jakarta Sans",sans-serif;font-size:.98rem;line-height:1.25}
.side-brand small{color:#8e99b3;font-size:.72rem;text-transform:uppercase;letter-spacing:.08em;font-weight:600}
.logo{height:42px;width:42px;border-radius:12px;object-fit:cover;background:#fff;flex:none}
.logo-fallback{display:grid;place-items:center;background:var(--brand);color:#fff;font-weight:800;font-size:.95rem;font-family:"Plus Jakarta Sans",sans-serif;box-shadow:inset 0 0 0 2px rgba(255,255,255,.25)}
.sidenav nav{display:flex;flex-direction:column;gap:3px}
.sidenav a{display:flex;align-items:center;gap:.75rem;padding:.65rem .85rem;border-radius:11px;color:#b6c0d6;text-decoration:none;font-weight:500;font-size:.9rem;transition:background .15s,color .15s}
.sidenav a:hover{background:rgba(255,255,255,.07);color:#fff}
.sidenav a.active{background:var(--brand);color:#fff;font-weight:600;box-shadow:0 8px 20px -10px var(--brand)}
.sidenav a.side-extra{margin-top:1rem;border:1px dashed rgba(255,255,255,.2)}
.shell{margin-left:var(--side);min-height:100vh}
.topbar{position:sticky;top:0;z-index:30;display:flex;align-items:center;gap:1rem;padding:.8rem 1.8rem;background:rgba(245,246,250,.82);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.top-title{font-size:1.25rem;margin:0;flex:1}
.userbox{display:flex;align-items:center;gap:.7rem;font-size:.88rem;font-weight:500}
.avatar{display:grid;place-items:center;width:34px;height:34px;border-radius:50%;background:linear-gradient(135deg,var(--brand),var(--accent));color:#fff;font-weight:700;font-size:.78rem}
.menu-btn{display:none;background:#fff;border:1px solid var(--line);border-radius:10px;width:38px;height:38px;font-size:1.1rem;cursor:pointer}
.content{padding:1.6rem 1.8rem 3rem;max-width:1240px}
.scrim{display:none}
@media(max-width:900px){
  .menu-btn{display:block}.uname{display:none}
  .sidenav{transform:translateX(-102%);transition:transform .25s;box-shadow:var(--shadow)}
  body.nav-open .sidenav{transform:none}
  body.nav-open .scrim{display:block;position:fixed;inset:0;background:rgba(15,23,42,.45);z-index:35}
  .shell{margin-left:0}.topbar{padding:.7rem 1rem}.content{padding:1rem 1rem 3rem}
}
/* parent portal: no sidebar, phone first */
.area-parent .sidenav,.area-parent .scrim{display:none!important}.area-parent .shell{margin-left:0}.area-parent .menu-btn{display:none}
.area-parent .content{max-width:720px;margin:0 auto}

/* cards + stats */
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1rem;margin-bottom:1.2rem}
.card{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);border:1px solid var(--line);padding:1.25rem 1.35rem}
.card h3{font-size:1rem;margin-bottom:.9rem}
.stat{position:relative;overflow:hidden}
.stat:before{content:"";position:absolute;right:-30px;top:-30px;width:110px;height:110px;border-radius:50%;background:var(--brand);opacity:.08}
.stat .label{font-size:.72rem;text-transform:uppercase;letter-spacing:.09em;color:var(--muted);font-weight:700}
.stat .value{font-family:"Plus Jakarta Sans",sans-serif;font-size:1.7rem;font-weight:800;margin-top:.25rem;letter-spacing:-.02em}
.stat.accent:before{background:var(--accent)}.stat.bad:before{background:var(--bad)}.stat.ok:before{background:var(--ok)}
.stat.bad .value{color:var(--bad)}.stat.ok .value{color:var(--ok)}
.two{display:grid;grid-template-columns:2fr 1fr;gap:1rem;margin-bottom:1rem}
@media(max-width:900px){.two{grid-template-columns:1fr}}

/* tables */
.table-wrap{overflow-x:auto}
table{width:100%;border-collapse:collapse;font-size:.9rem}
th{text-align:left;font-size:.7rem;text-transform:uppercase;letter-spacing:.07em;color:var(--muted);padding:.65rem .8rem;border-bottom:1px solid var(--line);white-space:nowrap;background:#fafbfd;font-weight:700}
th:first-child{border-radius:10px 0 0 10px}th:last-child{border-radius:0 10px 10px 0}
td{padding:.8rem;border-bottom:1px solid #f0f1f6}
tr:last-child td{border-bottom:0}
tr:hover td{background:#fafbff}
.badge{display:inline-block;padding:.18rem .62rem;border-radius:999px;font-size:.72rem;font-weight:700;background:#eef0f6;color:#475467}
.badge.ok{background:#e7f8ef;color:#087a4d}.badge.bad{background:#fdecec;color:#b42318}.badge.warn{background:#fff4d6;color:#92600a}
.toolbar{display:flex;gap:.6rem;flex-wrap:wrap;align-items:center;margin-bottom:1rem}
.toolbar input,.toolbar select{padding:.58rem .8rem;border:1px solid #d5d9e4;border-radius:11px;font:inherit;background:#fff}
.toolbar input:focus,.toolbar select:focus{outline:0;border-color:var(--brand);box-shadow:0 0 0 4px var(--ring)}
.tabs{display:flex;gap:.4rem;margin-bottom:1rem;flex-wrap:wrap}
.tabs a{padding:.45rem .95rem;border-radius:999px;background:#fff;text-decoration:none;font-weight:600;font-size:.85rem;color:#475467;border:1px solid var(--line)}
.tabs a.active{background:var(--brand);color:#fff;border-color:var(--brand)}
.inline-form{display:inline}
.child-card{display:block;text-decoration:none;color:inherit;margin-bottom:.9rem}
.child-card .bal{font-family:"Plus Jakarta Sans",sans-serif;font-weight:800;font-size:1.5rem}
.share-box{display:flex;gap:.5rem;align-items:center;background:#f5f6fa;border:1px dashed #cdd3e2;border-radius:12px;padding:.6rem .8rem;font-size:.85rem;word-break:break-all}
.preview-img{max-width:100%;height:110px;object-fit:cover;border-radius:12px;border:1px solid var(--line)}