/* SchoolScale — app.css
   Design tokens derived from the logo palette.
   ~9KB minified. Zero dependencies. */
   :root{
    --navy:#0d2f4f; --navy-700:#123a5f; --navy-900:#081e34;
    --teal:#17c9b4; --teal-600:#0eb39e; --teal-50:#e7fbf8;
    --bg:#f5f7fa; --surface:#ffffff; --border:#e3e8ef;
    --text:#0f172a; --muted:#64748b;
    --danger:#dc2626; --warn:#d97706; --ok:#16a34a; --info:#2563eb;
    --radius:12px; --radius-sm:8px; --radius-lg:18px;
    --shadow-sm:0 1px 2px rgba(15,23,42,.06);
    --shadow:0 4px 14px rgba(15,23,42,.08);
    --shadow-lg:0 20px 45px rgba(15,23,42,.12);
    --space:16px; --space-sm:8px; --space-lg:24px;
    --font:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  }
  *{box-sizing:border-box;margin:0;padding:0}
  html,body{height:100%}
  body{
    font-family:var(--font); background:var(--bg); color:var(--text);
    font-size:15px; line-height:1.5; -webkit-font-smoothing:antialiased;
  }
  
  /* ═══ Layout ═══ */
  .app{display:grid;grid-template-columns:260px 1fr;min-height:100vh}
  .main{display:flex;flex-direction:column;min-width:0}
  
  /* ═══ Sidebar ═══ */
  .sidebar{
    background:var(--navy); color:#e2e8f0;
    display:flex;flex-direction:column;padding:20px 14px;
    position:sticky;top:0;height:100vh;overflow-y:auto;
  }
  .sidebar__brand{display:flex;align-items:center;gap:10px;padding:4px 6px 20px;border-bottom:1px solid rgba(255,255,255,.08);margin-bottom:16px}
  .brand-logo{width:38px;height:38px;object-fit:contain}
  .brand-text{display:flex;flex-direction:column;min-width:0}
  .brand-name{font-weight:700;font-size:16px;color:#fff;letter-spacing:.2px}
  .brand-sub{font-size:11px;color:#94a3b8;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
  .sidebar__nav{display:flex;flex-direction:column;gap:2px;flex:1}
  .nav-item{
    display:flex;align-items:center;gap:12px;padding:10px 12px;border-radius:var(--radius-sm);
    color:#cbd5e1;text-decoration:none;font-size:14px;transition:all .15s ease;
  }
  .nav-item:hover{background:rgba(255,255,255,.06);color:#fff}
  .nav-item.is-active{background:var(--teal);color:#062a26;font-weight:600}
  .nav-icon{width:20px;text-align:center;font-size:16px}
  .sidebar__footer{padding-top:16px;border-top:1px solid rgba(255,255,255,.08);margin-top:16px}
  .user-chip{display:flex;align-items:center;gap:10px;padding:8px;margin-bottom:8px}
  .user-avatar{
    width:36px;height:36px;border-radius:50%;background:var(--teal);color:#062a26;
    display:grid;place-items:center;font-weight:700;font-size:15px;
  }
  .user-meta{min-width:0}
  .user-name{font-size:13px;color:#fff;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
  .user-role{font-size:11px;color:#94a3b8;text-transform:uppercase;letter-spacing:.5px}
  
  /* ═══ Topbar ═══ */
  .topbar{
    display:flex;align-items:center;gap:16px;
    padding:18px 28px;background:var(--surface);border-bottom:1px solid var(--border);
    position:sticky;top:0;z-index:10;
  }
  .topbar__title h1{font-size:20px;font-weight:700}
  .topbar__title .muted{color:var(--muted);font-size:13px;margin-top:2px}
  .topbar__right{margin-left:auto;display:flex;align-items:center;gap:10px}
  .icon-btn{
    background:transparent;border:none;font-size:20px;cursor:pointer;color:var(--navy);
    display:none;padding:6px;
  }
  .pill{
    font-size:11px;font-weight:600;padding:4px 10px;border-radius:999px;
    text-transform:uppercase;letter-spacing:.5px;
  }
  .pill-active{background:#dcfce7;color:#166534}
  .pill-trial{background:#fef3c7;color:#92400e}
  .pill-suspended,.pill-expired{background:#fee2e2;color:#991b1b}
  
  /* ═══ Content ═══ */
  .content{padding:24px 28px;flex:1}
  .footer{
    padding:14px 28px;border-top:1px solid var(--border);background:var(--surface);
    display:flex;justify-content:space-between;font-size:12px;color:var(--muted);
  }
  
  /* ═══ Alerts ═══ */
  .alert{padding:12px 16px;border-radius:var(--radius-sm);margin:16px 28px;font-size:14px}
  .alert-error{background:#fef2f2;color:#991b1b;border-left:4px solid var(--danger)}
  .alert-success{background:#f0fdf4;color:#166534;border-left:4px solid var(--ok)}
  .alert-info{background:#eff6ff;color:#1e40af;border-left:4px solid var(--info)}
  .alert-warn{background:#fffbeb;color:#92400e;border-left:4px solid var(--warn)}
  
  /* ═══ Buttons ═══ */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    padding:10px 16px;border-radius:var(--radius-sm);border:1px solid transparent;
    font-size:14px;font-weight:600;cursor:pointer;text-decoration:none;
    transition:all .15s ease;font-family:inherit;
  }
  .btn-primary{background:var(--teal);color:#062a26}
  .btn-primary:hover{background:var(--teal-600)}
  .btn-navy{background:var(--navy);color:#fff}
  .btn-navy:hover{background:var(--navy-700)}
  .btn-ghost{background:transparent;color:inherit;border:1px solid rgba(255,255,255,.15)}
  .sidebar .btn-ghost{color:#cbd5e1}
  .btn-ghost:hover{background:rgba(255,255,255,.08)}
  .btn-danger{background:var(--danger);color:#fff}
  .btn-block{display:flex;width:100%}
  .btn-sm{padding:6px 10px;font-size:12px}
  
  /* ═══ Cards ═══ */
  .card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow-sm)}
  .card-hd{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}
  .card-title{font-size:16px;font-weight:700}
  .grid{display:grid;gap:16px}
  .grid-2{grid-template-columns:repeat(2,1fr)}
  .grid-3{grid-template-columns:repeat(3,1fr)}
  .grid-4{grid-template-columns:repeat(4,1fr)}
  
  /* ═══ Forms ═══ */
  .form-row{margin-bottom:16px}
  .form-row label{display:block;font-size:13px;font-weight:600;margin-bottom:6px;color:var(--navy)}
  .form-row input,.form-row select,.form-row textarea{
    width:100%;padding:10px 12px;border:1px solid var(--border);border-radius:var(--radius-sm);
    font-size:14px;font-family:inherit;background:#fff;color:var(--text);
    transition:border-color .15s, box-shadow .15s;
  }
  .form-row input:focus,.form-row select:focus,.form-row textarea:focus{
    outline:none;border-color:var(--teal);box-shadow:0 0 0 3px rgba(23,201,180,.15);
  }
  
  /* ═══ Tables ═══ */
  .table{width:100%;border-collapse:collapse;background:var(--surface);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm)}
  .table th{background:var(--navy);color:#fff;text-align:left;padding:12px 14px;font-size:12px;text-transform:uppercase;letter-spacing:.5px;font-weight:600}
  .table td{padding:12px 14px;border-bottom:1px solid var(--border);font-size:14px}
  .table tr:hover td{background:#f8fafc}
  .table .num{text-align:right;font-variant-numeric:tabular-nums}
  
  /* ═══ Badges ═══ */
  .badge{display:inline-block;padding:3px 9px;border-radius:999px;font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.4px}
  .badge-ok{background:#dcfce7;color:#166534}
  .badge-warn{background:#fef3c7;color:#92400e}
  .badge-danger{background:#fee2e2;color:#991b1b}
  .badge-info{background:#dbeafe;color:#1e40af}
  .badge-muted{background:#f1f5f9;color:#475569}
  
  /* ═══ Print (58mm receipt) ═══ */
  @media print{
    .sidebar,.topbar,.footer,.no-print{display:none!important}
    .app{display:block}
    .content{padding:0}
    body{background:#fff;font-size:11px}
    @page{size:58mm auto;margin:0}
  }
  
  /* ═══ Mobile ═══ */
  @media(max-width:900px){
    .app{grid-template-columns:1fr}
    .sidebar{position:fixed;left:0;top:0;bottom:0;width:260px;z-index:50;transform:translateX(-100%);transition:transform .2s}
    .sidebar.is-open{transform:translateX(0)}
    .icon-btn{display:block}
    .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
    .content{padding:16px}
    .topbar{padding:12px 16px}
  }