/* ===== Preschool System — clean, flat, professional (Zoho/QuickBooks style) ===== */
@font-face{font-family:'NotoSinhala';src:url('/assets/fonts/NotoSansSinhala-Regular.ttf') format('truetype');font-weight:400;font-display:swap;}
@font-face{font-family:'NotoSinhala';src:url('/assets/fonts/NotoSansSinhala-Bold.ttf') format('truetype');font-weight:700;font-display:swap;}

:root{
  --bg:#f4f6f8; --surface:#ffffff; --ink:#1f2a37; --muted:#6b7280; --line:#e5e7eb;
  --primary:#0f766e; --primary-700:#0b5d56; --primary-50:#e6f3f1;
  --accent:#1d4ed8; --danger:#dc2626; --warn:#b45309; --ok:#15803d;
  --shadow:0 1px 2px rgba(16,24,40,.06),0 1px 3px rgba(16,24,40,.04);
  --radius:10px;
}
*{box-sizing:border-box}
html,body{margin:0;height:100%}
body{
  font-family:'Segoe UI',Roboto,'NotoSinhala','Helvetica Neue',Arial,sans-serif;
  background:var(--bg);color:var(--ink);font-size:14px;line-height:1.5;-webkit-font-smoothing:antialiased;
}
:lang(si),.si{font-family:'NotoSinhala','Segoe UI',sans-serif}
a{color:var(--accent);text-decoration:none}
button{font-family:inherit}
.hidden{display:none!important}

/* ---------- Login ---------- */
.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px}
.login-card{background:var(--surface);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);width:100%;max-width:380px;padding:34px}
.login-card .logo{width:72px;height:60px;display:flex;align-items:center;justify-content:center;margin-bottom:14px}
.login-card .logo img{width:100%;height:100%;object-fit:contain}
.login-card h1{font-size:19px;margin:0 0 4px}
.login-card p{color:var(--muted);margin:0 0 22px;font-size:13px}

/* ---------- Layout ---------- */
.app{display:flex;min-height:100vh}
.sidebar{width:236px;background:var(--surface);border-right:1px solid var(--line);display:flex;flex-direction:column;position:fixed;inset:0 auto 0 0;z-index:40}
.brand{display:flex;align-items:center;gap:10px;padding:18px 18px;border-bottom:1px solid var(--line)}
.brand .mark{width:42px;height:38px;display:flex;align-items:center;justify-content:center;flex:none}
.brand .mark img{width:100%;height:100%;object-fit:contain}
.brand .name{font-weight:700;font-size:15px;line-height:1.1}
.brand .sub{font-size:11px;color:var(--muted)}
.nav{padding:10px;flex:1;overflow:auto}
.nav a{display:flex;align-items:center;gap:11px;padding:10px 12px;border-radius:8px;color:var(--ink);font-weight:500;margin-bottom:2px}
.nav a:hover{background:var(--bg)}
.nav a.active{background:var(--primary-50);color:var(--primary-700);font-weight:600}
.nav a svg{width:18px;height:18px;flex:none;stroke:currentColor;fill:none;stroke-width:1.8}
.nav .section{font-size:10.5px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);padding:14px 12px 6px;font-weight:600}
.sidebar-foot{border-top:1px solid var(--line);padding:12px}
.userbox{display:flex;align-items:center;gap:10px;font-size:13px}
.userbox .av{width:32px;height:32px;border-radius:50%;background:var(--accent);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:600}
.role-pill{font-size:10px;padding:1px 7px;border-radius:20px;background:var(--primary-50);color:var(--primary-700);font-weight:600}

.main{flex:1;margin-left:236px;min-width:0}
.topbar{height:58px;background:var(--surface);border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 22px;position:sticky;top:0;z-index:30}
.topbar h2{font-size:17px;margin:0}
.topbar-actions{display:flex;align-items:center;gap:10px}
.content{padding:22px}
.hamburger{display:none;background:none;border:none;cursor:pointer}

/* ---------- Components ---------- */
.btn{display:inline-flex;align-items:center;gap:7px;border:1px solid var(--line);background:var(--surface);color:var(--ink);padding:8px 14px;border-radius:8px;font-weight:600;font-size:13px;cursor:pointer;transition:.12s}
.btn:hover{background:var(--bg)}
.btn.primary{background:var(--primary);border-color:var(--primary);color:#fff}
.btn.primary:hover{background:var(--primary-700)}
.btn.danger{color:var(--danger);border-color:#f3c4c4}
.btn.danger:hover{background:#fef2f2}
.btn.sm{padding:5px 10px;font-size:12px}
.btn:disabled{opacity:.5;cursor:not-allowed}

.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:16px;margin-bottom:22px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow)}
.card .label{font-size:12px;color:var(--muted);font-weight:600;text-transform:uppercase;letter-spacing:.03em}
.card .value{font-size:24px;font-weight:700;margin-top:8px}
.card .value.sm{font-size:18px}

.panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden;margin-bottom:20px}
.panel-head{display:flex;align-items:center;justify-content:space-between;padding:14px 18px;border-bottom:1px solid var(--line)}
.panel-head h3{margin:0;font-size:15px}
.panel-body{padding:18px}

.toolbar{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin-bottom:16px}
.toolbar .grow{flex:1;min-width:160px}

input,select,textarea{width:100%;padding:9px 11px;border:1px solid var(--line);border-radius:8px;font-size:13px;font-family:inherit;background:#fff;color:var(--ink)}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-50)}
label.fld{display:block;margin-bottom:12px}
label.fld .lab{display:block;font-size:12px;color:var(--muted);font-weight:600;margin-bottom:5px}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:0 14px}
.grid3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:0 14px}

table{width:100%;border-collapse:collapse;font-size:13px}
th{text-align:left;font-size:11px;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);padding:11px 14px;border-bottom:1px solid var(--line);background:#fafbfc;white-space:nowrap}
td{padding:11px 14px;border-bottom:1px solid var(--line);vertical-align:middle}
tbody tr:hover{background:#fafbfc}
.t-num{text-align:right;font-variant-numeric:tabular-nums}
.empty{padding:40px;text-align:center;color:var(--muted)}

.badge{display:inline-block;font-size:11px;font-weight:600;padding:2px 9px;border-radius:20px}
.badge.paid{background:#dcfce7;color:var(--ok)}
.badge.unpaid{background:#fef3c7;color:var(--warn)}
.badge.partial{background:#dbeafe;color:var(--accent)}
.badge.active{background:#dcfce7;color:var(--ok)}
.badge.inactive{background:#f3f4f6;color:var(--muted)}

/* Modal */
.modal-bg{position:fixed;inset:0;background:rgba(17,24,39,.45);display:flex;align-items:flex-start;justify-content:center;padding:40px 16px;z-index:60;overflow:auto}
.modal{background:var(--surface);border-radius:14px;width:100%;max-width:620px;box-shadow:0 20px 60px rgba(0,0,0,.25)}
.modal.wide{max-width:820px}
.modal-head{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid var(--line)}
.modal-head h3{margin:0;font-size:16px}
.modal-body{padding:20px;max-height:70vh;overflow:auto}
.modal-foot{padding:14px 20px;border-top:1px solid var(--line);display:flex;justify-content:flex-end;gap:10px}
.x{background:none;border:none;font-size:22px;cursor:pointer;color:var(--muted);line-height:1}

/* Toast */
#toast{position:fixed;bottom:22px;right:22px;z-index:90;display:flex;flex-direction:column;gap:8px}
.toast{background:var(--ink);color:#fff;padding:11px 16px;border-radius:9px;font-size:13px;box-shadow:0 8px 24px rgba(0,0,0,.25);max-width:340px}
.toast.ok{background:#0f766e}.toast.err{background:#b91c1c}

.muted{color:var(--muted)}
.right{text-align:right}.center{text-align:center}
.flex{display:flex;gap:10px;align-items:center}
.spread{display:flex;justify-content:space-between;align-items:center}
.mt{margin-top:16px}.mb{margin-bottom:16px}
hr.sep{border:none;border-top:1px solid var(--line);margin:16px 0}

@media (max-width:860px){
  .sidebar{transform:translateX(-100%);transition:.2s;width:260px}
  .sidebar.open{transform:none}
  .main{margin-left:0}
  .hamburger{display:block}
  .grid2,.grid3{grid-template-columns:1fr}
  #posGrid{grid-template-columns:1fr!important}
}

/* Print */
@media print{
  .sidebar,.topbar,.toolbar,.no-print{display:none!important}
  .main{margin:0}.content{padding:0}
  .panel{box-shadow:none;border:none}
}