:root {
    --primary: #111827;
    --accent: #4f46e5;
    --bg: #f4f6fb;
    --panel: #ffffff;
    --text: #111827;
    --muted: #6b7280;
    --border: #e5e7eb;
    --good: #166534;
    --good-bg: #dcfce7;
    --good-border: #bbf7d0;
    --warn: #92400e;
    --warn-bg: #fef3c7;
    --warn-border: #fde68a;
    --danger: #991b1b;
    --danger-bg: #fef2f2;
    --danger-border: #fecaca;
    --info: #1e40af;
    --info-bg: #eff6ff;
    --info-border: #bfdbfe;
    --sidebar-bg: #0f172a;
    --sidebar-text: #e5e7eb;
    --sidebar-muted: #cbd5e1;
    --radius-sm: 12px;
    --radius-md: 14px;
    --radius-lg: 18px;
    --radius-xl: 22px;
    --shadow-soft: 0 10px 28px rgba(15, 23, 42, 0.04);
    --shadow-card: 0 24px 60px rgba(15, 23, 42, 0.12);
}

* { box-sizing: border-box; }
body { margin: 0; font-family: Inter, Arial, sans-serif; background: var(--bg); color: var(--text); }
a { color: inherit; }
small { color: var(--muted); }

.app-shell { display: grid; grid-template-columns: 260px 1fr; min-height: 100vh; }
.main-content { min-width: 0; padding: 28px; }
.public-main { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 24px; }
.two-col { display: grid; grid-template-columns: minmax(0, 1fr) 360px; gap: 22px; align-items: start; }

.sidebar { position: sticky; top: 0; height: 100vh; padding: 22px; background: var(--sidebar-bg); color: #fff; }
.brand { display: flex; gap: 12px; align-items: center; margin-bottom: 26px; text-decoration: none; }
.brand-mark { width: 42px; height: 42px; border-radius: var(--radius-md); background: #fff; color: var(--sidebar-bg); display: flex; align-items: center; justify-content: center; font-weight: 900; }
.brand strong, .brand span { display: block; }
.brand span { font-size: 12px; color: var(--sidebar-muted); }
.nav { display: grid; gap: 8px; }
.nav a { padding: 11px 12px; border-radius: var(--radius-sm); text-decoration: none; color: var(--sidebar-text); }
.nav a:hover { background: rgba(255,255,255,.1); }
.sidebar-parent-card { margin-top: 28px; border-top: 1px solid rgba(255,255,255,.15); padding-top: 18px; }
.sidebar-parent-card strong, .sidebar-parent-card span { display: block; }
.sidebar-parent-card span { color: var(--sidebar-muted); font-size: 12px; margin-top: 4px; }

.page-header, .portal-page-header { display: flex; justify-content: space-between; gap: 18px; align-items: flex-start; margin-bottom: 22px; }
.page-header h1, .portal-page-header h1 { margin: 0; font-size: 32px; }
.page-header p, .portal-page-header p, .panel-heading p { color: var(--muted); }
.eyebrow { margin: 0 0 6px; color: var(--accent); text-transform: uppercase; font-size: 12px; font-weight: 900; letter-spacing: .08em; }

.panel, .portal-card { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius-xl); padding: 22px; margin-bottom: 22px; box-shadow: var(--shadow-soft); }
.panel h2, .portal-card h2 { margin: 0 0 14px; }
.panel-heading { display: flex; justify-content: space-between; gap: 12px; align-items: center; margin-bottom: 14px; }
.login-card { width: 100%; max-width: 420px; background: #fff; border: 1px solid var(--border); border-radius: var(--radius-xl); padding: 30px; box-shadow: var(--shadow-card); }
.login-card h1 { margin: 0 0 8px; }
.login-card p { color: var(--muted); }

.stat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-bottom: 22px; }
.stat-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 18px; }
.stat-card span, .stat-card strong { display: block; }
.stat-card span { color: var(--muted); font-size: 12px; text-transform: uppercase; font-weight: 900; }
.stat-card strong { font-size: 26px; }
.detail-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin: 22px 0; text-align: left; }
.detail-grid div { background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius-md); padding: 14px; }
.detail-grid span, .detail-grid strong { display: block; }
.detail-grid span { color: var(--muted); font-size: 12px; font-weight: 800; text-transform: uppercase; margin-bottom: 4px; }

.child-card-grid, .waiver-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.child-card, .waiver-card, .contact-card, .mini-list a { display: block; text-decoration: none; background: #f8fafc; border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 16px; }
.child-card strong, .child-card span, .child-card em, .waiver-card strong, .waiver-card p, .contact-card strong, .contact-card span, .contact-card em, .mini-list strong, .mini-list span { display: block; }
.child-card span, .contact-card span, .mini-list span { color: var(--muted); font-size: 13px; margin-top: 4px; }
.child-card em, .contact-card em { font-style: normal; color: var(--accent); font-size: 12px; font-weight: 800; margin-top: 10px; }
.waiver-card p { color: var(--muted); font-size: 14px; min-height: 38px; }
.contact-list, .mini-list { display: grid; gap: 12px; }

.form-card { display: grid; gap: 14px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-group label { display: block; font-weight: 800; margin-bottom: 6px; }
input, select, textarea { width: 100%; border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 11px; background: #fff; font: inherit; }
.checkbox-row { display: flex; gap: 10px; align-items: flex-start; }
.checkbox-row input { width: auto; margin-top: 4px; }
.inline-form { display: flex; gap: 12px; align-items: end; }

.header-actions, .quick-actions, .portal-actions { display: flex; gap: 10px; flex-wrap: wrap; }
.portal-actions { justify-content: center; margin-top: 22px; }
.btn { display: inline-flex; align-items: center; justify-content: center; border: 0; border-radius: var(--radius-sm); padding: 11px 14px; text-decoration: none; font-weight: 900; cursor: pointer; font-size: 14px; }
.btn-primary { background: var(--primary); color: #fff; }
.btn-secondary { background: #fff; color: var(--text); border: 1px solid var(--border); }
.btn-danger { background: var(--danger); color: #fff; }
.btn-small { padding: 7px 10px; font-size: 12px; }
.full-btn { width: 100%; margin-top: 12px; }

.alert, .portal-alert { padding: 14px 16px; border-radius: var(--radius-md); margin-bottom: 18px; font-weight: 800; }
.alert-error { background: var(--danger-bg); color: var(--danger); border: 1px solid var(--danger-border); }
.alert-success, .portal-alert-success { background: #ecfdf3; color: var(--good); border: 1px solid var(--good-border); }
.portal-alert-info { background: var(--info-bg); border: 1px solid var(--info-border); color: var(--info); }
.empty-state { background: #f8fafc; border: 1px dashed var(--border); border-radius: 16px; padding: 18px; color: var(--muted); }
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; border-bottom: 1px solid var(--border); padding: 12px; vertical-align: top; }
th { font-size: 12px; color: var(--muted); text-transform: uppercase; }
.pill { display: inline-block; border-radius: 999px; padding: 5px 9px; font-size: 12px; font-weight: 900; }
.pill.good { background: var(--good-bg); color: var(--good); }
.pill.warn { background: var(--warn-bg); color: var(--warn); }
.success-card, .warning-card { text-align: center; max-width: 900px; margin: 0 auto; }
.success-icon, .warning-icon { width: 64px; height: 64px; border-radius: 999px; display: inline-flex; align-items: center; justify-content: center; font-size: 34px; font-weight: 900; margin-bottom: 14px; }
.success-icon { background: var(--good-bg); color: var(--good); }
.warning-icon { background: var(--warn-bg); color: var(--warn); }
.hidden { display: none !important; }
.muted-text { color: var(--muted); }

@media (max-width: 1000px) {
    .app-shell { grid-template-columns: 1fr; }
    .sidebar { position: relative; height: auto; }
    .nav { grid-template-columns: repeat(2, 1fr); }
    .two-col, .stat-grid, .child-card-grid, .waiver-grid { grid-template-columns: 1fr; }
    .page-header, .portal-page-header { flex-direction: column; }
    .main-content { padding: 18px; }
    .form-grid { grid-template-columns: 1fr; }
}
@media (max-width: 800px) { .detail-grid { grid-template-columns: 1fr; } }
/* =========================================================
   Page Loading Overlay
========================================================= */

.page-loader {
    position: fixed;
    inset: 0;
    z-index: 9999;
    background: rgba(244, 246, 251, 0.72);
    backdrop-filter: blur(5px);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.18s ease;
}

.page-loader.is-visible {
    opacity: 1;
    pointer-events: auto;
}

.page-loader-card {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background: #ffffff;
    border: 1px solid var(--border);
    border-radius: 18px;
    padding: 14px 18px;
    box-shadow: 0 18px 50px rgba(15, 23, 42, 0.16);
    color: var(--text);
    font-weight: 900;
}

.page-loader-spinner {
    width: 20px;
    height: 20px;
    border: 3px solid #e5e7eb;
    border-top-color: var(--accent);
    border-radius: 999px;
    animation: parentLoaderSpin 0.75s linear infinite;
}

@keyframes parentLoaderSpin {
    to {
        transform: rotate(360deg);
    }
}
/* =========================================================
   Page Entrance Animation
========================================================= */

.main-content {
    animation: parentPageEnter 0.16s ease both;
}

@keyframes parentPageEnter {
    from {
        opacity: 0;
        transform: translateY(4px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}