/* ==========================================================================
   apbt.gr — Modern Slate/Indigo Theme
   ========================================================================== */

/* ---------- Google Font: Inter ---------- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

/* ---------- Color Tokens ---------- */
:root {
    /* Brand palette */
    --apbt-navy:          #0F172A;
    --apbt-slate:         #1E293B;
    --apbt-slate-mid:     #334155;
    --apbt-slate-light:   #64748B;
    --apbt-indigo:        #6366F1;
    --apbt-indigo-dark:   #4F46E5;
    --apbt-indigo-light:  #818CF8;
    --apbt-indigo-pale:   #EEF2FF;

    /* Surface & border */
    --apbt-surface:       #F8FAFC;
    --apbt-surface-alt:   #F1F5F9;
    --apbt-border:        #E2E8F0;
    --apbt-border-light:  #F1F5F9;

    /* Status */
    --apbt-green-dark:    #059669;
    --apbt-green:         #10B981;
    --apbt-green-light:   #D1FAE5;

    /* Pedigree sex colors */
    --apbt-male:          #EFF6FF;
    --apbt-female:        #FFF1F2;

    /* Shadows */
    --apbt-shadow:        0 1px 3px rgba(15,23,42,0.07), 0 1px 2px rgba(15,23,42,0.05);
    --apbt-shadow-lg:     0 8px 24px rgba(15,23,42,0.10), 0 2px 6px rgba(15,23,42,0.06);
    --apbt-shadow-xl:     0 20px 40px rgba(15,23,42,0.14);
    --apbt-radius:        0.625rem;
    --apbt-radius-lg:     1rem;
    --apbt-transition:    all 0.2s ease;

    /* Bootstrap token overrides */
    --bs-primary:         #6366F1;
    --bs-primary-rgb:     99, 102, 241;
    --bs-secondary:       #64748B;
    --bs-secondary-rgb:   100, 116, 139;
    --bs-success:         #059669;
    --bs-success-rgb:     5, 150, 105;
    --bs-body-bg:         #F8FAFC;
    --bs-body-color:      #0F172A;
    --bs-link-color:      #6366F1;
    --bs-link-hover-color:#4F46E5;
    --bs-border-color:    #E2E8F0;
    --bs-border-radius:   0.625rem;
    --bs-font-sans-serif: 'Inter', system-ui, -apple-system, sans-serif;

    /* Legacy aliases — keeps existing template classes working */
    --apbt-brown-dark:    var(--apbt-navy);
    --apbt-brown:         var(--apbt-indigo);
    --apbt-brown-mid:     var(--apbt-slate-mid);
    --apbt-brown-light:   var(--apbt-slate-light);
    --apbt-tan:           var(--apbt-border);
    --apbt-tan-light:     var(--apbt-surface-alt);
    --apbt-cream:         var(--apbt-surface);
}

/* ---------- Global ---------- */
body {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    background-color: var(--apbt-surface);
    color: var(--apbt-navy);
    font-family: var(--bs-font-sans-serif);
    -webkit-font-smoothing: antialiased;
}

main { flex: 1; }

h1, h2, h3, h4, h5, h6 {
    color: var(--apbt-navy);
    font-weight: 700;
    letter-spacing: -0.02em;
}

a {
    color: var(--apbt-indigo);
    transition: var(--apbt-transition);
}
a:hover { color: var(--apbt-indigo-dark); }

hr {
    border-color: var(--apbt-border);
    opacity: 1;
}

/* ---------- Navbar ---------- */
.navbar-apbt {
    background: var(--apbt-navy);
    border-bottom: 1px solid rgba(255,255,255,0.06);
    box-shadow: 0 1px 0 rgba(255,255,255,0.04);
    padding-top: 0.6rem;
    padding-bottom: 0.6rem;
}
.navbar-apbt .navbar-brand {
    font-weight: 800;
    letter-spacing: 0.5px;
    color: #fff;
    font-size: 1.05rem;
}
.navbar-apbt .nav-link {
    color: rgba(255,255,255,0.65);
    font-size: 0.875rem;
    font-weight: 500;
    padding: 0.4rem 0.65rem;
    border-radius: 0.375rem;
    transition: var(--apbt-transition);
}
.navbar-apbt .nav-link:hover,
.navbar-apbt .nav-link:focus {
    color: #fff;
    background: rgba(255,255,255,0.07);
}
.navbar-apbt .nav-link.active {
    color: #fff;
    background: rgba(99,102,241,0.2);
    font-weight: 600;
}
.navbar-apbt .dropdown-menu {
    background: #fff;
    border: 1px solid var(--apbt-border);
    border-radius: var(--apbt-radius);
    box-shadow: var(--apbt-shadow-lg);
    padding: 0.35rem;
    margin-top: 0.35rem;
}
.navbar-apbt .dropdown-item {
    border-radius: 0.375rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--apbt-slate-mid);
    padding: 0.45rem 0.75rem;
    transition: var(--apbt-transition);
}
.navbar-apbt .dropdown-item:hover {
    background-color: var(--apbt-indigo-pale);
    color: var(--apbt-indigo-dark);
}
.navbar-apbt .dropdown-divider {
    border-color: var(--apbt-border);
    margin: 0.35rem 0.5rem;
}
.navbar-apbt .btn-outline-light {
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: 0.5rem;
    padding: 0.35rem 1rem;
}
.navbar-apbt .btn-outline-light:hover {
    background: var(--apbt-indigo);
    border-color: var(--apbt-indigo);
    color: #fff;
}

/* ---------- Cards ---------- */
.card {
    border: 1px solid var(--apbt-border);
    border-radius: var(--apbt-radius);
    background: #fff;
    box-shadow: var(--apbt-shadow);
    transition: var(--apbt-transition);
}
.card-hover:hover {
    transform: translateY(-2px);
    box-shadow: var(--apbt-shadow-lg);
    border-color: var(--apbt-indigo-light);
}
.card-header {
    background: var(--apbt-surface-alt);
    border-bottom: 1px solid var(--apbt-border);
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--apbt-slate-mid);
}
.card-green-top {
    border-top: 3px solid var(--apbt-green);
}

/* ---------- Buttons ---------- */
.btn {
    font-weight: 600;
    font-size: 0.875rem;
    letter-spacing: 0.01em;
    border-radius: 0.5rem;
    transition: var(--apbt-transition);
}
.btn-primary {
    background: var(--apbt-indigo);
    border-color: var(--apbt-indigo);
    color: #fff;
    box-shadow: 0 1px 2px rgba(99,102,241,0.2);
}
.btn-primary:hover, .btn-primary:focus {
    background: var(--apbt-indigo-dark);
    border-color: var(--apbt-indigo-dark);
    color: #fff;
    box-shadow: 0 4px 12px rgba(99,102,241,0.35);
}
.btn-outline-primary {
    color: var(--apbt-indigo);
    border-color: var(--apbt-indigo);
    background: transparent;
}
.btn-outline-primary:hover {
    background: var(--apbt-indigo);
    border-color: var(--apbt-indigo);
    color: #fff;
    box-shadow: 0 4px 12px rgba(99,102,241,0.25);
}
.btn-secondary {
    background: var(--apbt-slate-mid);
    border-color: var(--apbt-slate-mid);
    color: #fff;
}
.btn-secondary:hover {
    background: var(--apbt-slate);
    border-color: var(--apbt-slate);
    color: #fff;
}
.btn-outline-secondary {
    color: var(--apbt-slate-light);
    border-color: var(--apbt-border);
    background: #fff;
}
.btn-outline-secondary:hover {
    background: var(--apbt-surface-alt);
    color: var(--apbt-slate-mid);
    border-color: var(--apbt-slate-light);
}
.btn-success {
    background: var(--apbt-green);
    border-color: var(--apbt-green);
    color: #fff;
}
.btn-success:hover {
    background: var(--apbt-green-dark);
    border-color: var(--apbt-green-dark);
    color: #fff;
}
.btn-cta {
    background: linear-gradient(135deg, var(--apbt-indigo) 0%, var(--apbt-indigo-dark) 100%);
    border: none;
    color: #fff;
    font-weight: 700;
    padding: 0.65rem 2rem;
    border-radius: 0.6rem;
    box-shadow: 0 4px 14px rgba(99,102,241,0.35);
    transition: var(--apbt-transition);
}
.btn-cta:hover {
    background: linear-gradient(135deg, var(--apbt-indigo-dark) 0%, #3730A3 100%);
    color: #fff;
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(99,102,241,0.45);
}

/* ---------- Badges ---------- */
.badge { font-weight: 600; letter-spacing: 0.02em; }
.badge-public   { background-color: var(--apbt-green-dark) !important; color: #fff; }
.badge-private  { background-color: var(--apbt-slate-light) !important; color: #fff; }
.badge-verified { background-color: var(--apbt-green) !important; color: #fff; }
.badge.bg-primary   { background-color: var(--apbt-indigo) !important; }
.badge.bg-success   { background-color: var(--apbt-green-dark) !important; }
.badge.bg-info      { background-color: #0EA5E9 !important; }
.badge.bg-secondary { background-color: var(--apbt-slate-light) !important; }

/* ---------- Tables ---------- */
.table { --bs-table-border-color: var(--apbt-border); }
.table thead th {
    background: var(--apbt-surface-alt);
    color: var(--apbt-slate-mid);
    border-bottom: 2px solid var(--apbt-border);
    font-weight: 600;
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}
.table tbody tr:hover { background-color: rgba(99,102,241,0.03); }
.table-striped > tbody > tr:nth-of-type(odd) > * {
    background-color: rgba(248,250,252,0.6);
}

/* ---------- Pedigree ---------- */
.pedigree-chart-wrapper {
    background: #fff;
    border: 1px solid var(--apbt-border);
    border-radius: var(--apbt-radius-lg);
    padding: 1rem;
    box-shadow: var(--apbt-shadow);
    overflow-x: auto;
}
.pedigree-table { border-collapse: separate; border-spacing: 2px; }
.pedigree-table td { padding: 0; border: none; font-size: 0.82rem; vertical-align: middle; }
.pedigree-cell {
    white-space: nowrap;
    border-radius: 6px;
    border: 1px solid var(--apbt-border);
    transition: all 0.2s ease;
    position: relative;
}
.pedigree-cell-inner {
    display: flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0.3rem 0.6rem;
}
.pedigree-cell:hover {
    box-shadow: 0 2px 8px rgba(99,102,241,0.18);
    transform: scale(1.03);
    z-index: 2;
    border-color: var(--apbt-indigo-light);
}
.pedigree-male   { background-color: var(--apbt-male);   border-color: #BFDBFE; }
.pedigree-female { background-color: var(--apbt-female); border-color: #FECDD3; }
.pedigree-sex-icon { display: inline-flex; align-items: center; font-size: 0.75rem; opacity: 0.6; }
.pedigree-male   .pedigree-sex-icon { color: #2563EB; }
.pedigree-female .pedigree-sex-icon { color: #E11D48; }
.pedigree-dog-link { color: var(--apbt-navy); text-decoration: none; font-weight: 500; }
.pedigree-dog-link:hover { color: var(--apbt-indigo); text-decoration: underline; }
.pedigree-unknown { color: #94A3B8; font-style: italic; font-size: 0.78rem; }
.pedigree-empty { padding: 0.3rem 0.6rem; }
.pedigree-branch { padding-left: 2px !important; }
.pedigree-highlight {
    box-shadow: 0 0 0 2px #F59E0B, 0 4px 12px rgba(245,158,11,0.3) !important;
    transform: scale(1.05) !important;
    z-index: 10 !important;
}
.pedigree-legend-sample {
    display: inline-block;
    width: 14px; height: 14px;
    border-radius: 3px;
    border: 1px solid rgba(0,0,0,0.1);
}
.pedigree-male-sample   { background-color: var(--apbt-male);   border-color: #BFDBFE; }
.pedigree-female-sample { background-color: var(--apbt-female); border-color: #FECDD3; }
.pedigree-legend-badge { cursor: pointer; transition: transform 0.15s ease; }
.pedigree-legend-badge:hover { transform: scale(1.1); }

/* ---------- Hero Section ---------- */
.hero-section {
    background: linear-gradient(135deg, var(--apbt-navy) 0%, var(--apbt-slate-mid) 100%);
    color: #fff;
    padding: 5rem 0;
    position: relative;
    overflow: hidden;
}
.hero-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 60% 50%, rgba(99,102,241,0.18) 0%, transparent 70%);
    pointer-events: none;
}
.hero-section h1 { color: #fff; }

/* ---------- CTA Section ---------- */
.cta-section {
    background: linear-gradient(135deg, var(--apbt-indigo-dark) 0%, var(--apbt-navy) 100%);
    color: #fff;
    padding: 4rem 0;
}
.cta-section h2 { color: #fff; }

/* ---------- Forms ---------- */
.form-control, .form-select {
    border: 1px solid var(--apbt-border);
    border-radius: 0.5rem;
    padding: 0.5rem 0.75rem;
    font-size: 0.9rem;
    color: var(--apbt-navy);
    background: #fff;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.form-control:focus, .form-select:focus {
    border-color: var(--apbt-indigo);
    box-shadow: 0 0 0 3px rgba(99,102,241,0.12);
    outline: none;
}
.form-control:hover:not(:focus), .form-select:hover:not(:focus) {
    border-color: var(--apbt-slate-light);
}
.form-label {
    color: var(--apbt-slate-mid);
    font-weight: 600;
    font-size: 0.83rem;
    margin-bottom: 0.35rem;
    letter-spacing: 0.02em;
}
.form-check-input:checked {
    background-color: var(--apbt-indigo);
    border-color: var(--apbt-indigo);
}
.form-text, .form-help {
    font-size: 0.78rem;
    color: var(--apbt-slate-light);
    margin-top: 0.2rem;
}
textarea.form-control { min-height: 100px; }

.form-section {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
    margin-top: 0.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--apbt-border);
}
.form-section:first-child { margin-top: 0; }
.form-section-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px; height: 32px;
    border-radius: 8px;
    background: linear-gradient(135deg, var(--apbt-indigo), var(--apbt-indigo-dark));
    color: #fff;
    font-size: 0.9rem;
    flex-shrink: 0;
}
.form-section-title {
    font-size: 0.82rem;
    font-weight: 700;
    color: var(--apbt-slate-mid);
    margin: 0;
    text-transform: uppercase;
    letter-spacing: 0.07em;
}
.form-divider { border: 0; border-top: 1px solid var(--apbt-border); margin: 1.25rem 0; opacity: 1; }

.form-card {
    border: 1px solid var(--apbt-border);
    border-radius: var(--apbt-radius-lg);
    background: #fff;
    box-shadow: var(--apbt-shadow-lg);
    overflow: hidden;
}
.form-card-header {
    background: var(--apbt-navy);
    color: #fff;
    padding: 1.1rem 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.6rem;
    border-bottom: none;
}
.form-card-header h4,
.form-card-header h2 { color: #fff; margin: 0; font-weight: 700; }
.form-card-header i  { font-size: 1.2rem; opacity: 0.75; }
.form-card-body { padding: 1.75rem; }

.input-group .input-group-text {
    background: var(--apbt-surface-alt);
    border-color: var(--apbt-border);
    color: var(--apbt-slate-light);
    font-size: 0.875rem;
}
.input-group:focus-within .input-group-text {
    border-color: var(--apbt-indigo);
    color: var(--apbt-indigo);
}
.required-label::after { content: " *"; color: #E11D48; font-weight: 400; }

.form-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding-top: 1.25rem;
    margin-top: 1.25rem;
    border-top: 1px solid var(--apbt-border);
}
.form-actions-split {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 1.25rem;
    margin-top: 1.25rem;
    border-top: 1px solid var(--apbt-border);
}

.password-toggle { position: relative; }
.password-toggle .toggle-btn {
    position: absolute;
    right: 10px; top: 50%;
    transform: translateY(-50%);
    background: none; border: none;
    color: var(--apbt-slate-light);
    cursor: pointer;
    padding: 0.25rem;
    font-size: 1rem;
    z-index: 5;
}
.password-toggle .toggle-btn:hover { color: var(--apbt-slate-mid); }
.password-toggle .form-control { padding-right: 2.5rem; }

.form-control.is-invalid { border-color: #E11D48; }
.form-control.is-invalid:focus { box-shadow: 0 0 0 3px rgba(225,29,72,0.12); }
.invalid-feedback { font-size: 0.78rem; color: #E11D48; }

/* Auth cards */
.auth-card {
    border: 1px solid var(--apbt-border);
    border-radius: var(--apbt-radius-lg);
    overflow: hidden;
    box-shadow: var(--apbt-shadow-xl);
}
.auth-card-header {
    background: var(--apbt-navy);
    color: #fff;
    padding: 2.25rem 1.75rem;
    text-align: center;
}
.auth-card-header h2 { color: #fff; margin: 0; font-weight: 800; }
.auth-card-header p { color: rgba(255,255,255,0.65); margin: 0.5rem 0 0; font-size: 0.9rem; }
.auth-card-header .auth-icon { font-size: 2.25rem; margin-bottom: 0.6rem; display: block; opacity: 0.85; }
.auth-card-body { padding: 2rem 1.75rem; background: #fff; }
.auth-footer {
    text-align: center;
    padding: 1rem 1.5rem;
    background: var(--apbt-surface-alt);
    border-top: 1px solid var(--apbt-border);
    font-size: 0.875rem;
}

.search-form .form-control { border-radius: 2rem 0 0 2rem; padding-left: 1rem; }
.search-form .btn { border-radius: 0 2rem 2rem 0; }

/* ---------- List Groups ---------- */
.list-group-item {
    border-color: var(--apbt-border);
    transition: var(--apbt-transition);
    font-size: 0.9rem;
}
.list-group-item:hover { background-color: var(--apbt-surface-alt); }
.list-group-item.unread {
    border-left: 3px solid var(--apbt-indigo);
    background-color: var(--apbt-indigo-pale);
}

/* ---------- Nav Tabs & Pills ---------- */
.nav-tabs .nav-link {
    color: var(--apbt-slate-light);
    border: none;
    border-bottom: 2px solid transparent;
    font-size: 0.875rem;
    font-weight: 500;
    padding: 0.5rem 0.75rem;
    transition: var(--apbt-transition);
}
.nav-tabs .nav-link:hover {
    color: var(--apbt-slate-mid);
    border-bottom-color: var(--apbt-border);
}
.nav-tabs .nav-link.active {
    color: var(--apbt-indigo);
    border-bottom-color: var(--apbt-indigo);
    font-weight: 600;
    background: transparent;
}
.nav-pills .nav-link {
    color: var(--apbt-slate-light);
    font-size: 0.875rem;
    font-weight: 500;
    transition: var(--apbt-transition);
}
.nav-pills .nav-link.active {
    background-color: var(--apbt-indigo);
    color: #fff;
}

/* ---------- Alerts ---------- */
.alert-info {
    background-color: var(--apbt-indigo-pale);
    border-color: #C7D2FE;
    color: var(--apbt-indigo-dark);
}
.alert-success {
    background-color: var(--apbt-green-light);
    border-color: #6EE7B7;
    color: var(--apbt-green-dark);
}

/* ---------- Footer ---------- */
.footer-apbt {
    background: var(--apbt-navy);
    border-top: 1px solid rgba(255,255,255,0.06);
    color: rgba(255,255,255,0.55);
    padding: 2.5rem 0;
}
.footer-apbt h6 { color: rgba(255,255,255,0.85); font-weight: 600; font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.06em; }
.footer-apbt a { color: rgba(255,255,255,0.45); text-decoration: none; font-size: 0.875rem; transition: var(--apbt-transition); }
.footer-apbt a:hover { color: var(--apbt-indigo-light); }
.footer-apbt p { color: rgba(255,255,255,0.45); font-size: 0.875rem; }
.footer-apbt hr { border-color: rgba(255,255,255,0.08); opacity: 1; }

/* ---------- Stat Cards ---------- */
.stat-card {
    background: #fff;
    border: 1px solid var(--apbt-border);
    border-radius: var(--apbt-radius);
    padding: 1.35rem;
    position: relative;
    overflow: hidden;
    transition: var(--apbt-transition);
    box-shadow: var(--apbt-shadow);
}
.stat-card:hover { box-shadow: var(--apbt-shadow-lg); transform: translateY(-1px); }
.stat-card .stat-icon {
    position: absolute;
    right: 1rem; top: 50%;
    transform: translateY(-50%);
    font-size: 2.5rem;
    opacity: 0.06;
    color: var(--apbt-navy);
}
.stat-card .stat-value { font-size: 1.85rem; font-weight: 800; color: var(--apbt-navy); letter-spacing: -0.03em; }
.stat-card .stat-label { font-size: 0.75rem; color: var(--apbt-slate-light); text-transform: uppercase; letter-spacing: 0.07em; font-weight: 600; }
.stat-card-brown { border-left: 4px solid var(--apbt-indigo); }
.stat-card-green  { border-left: 4px solid var(--apbt-green); }
.stat-card-tan    { border-left: 4px solid #F59E0B; }
.stat-card-mid    { border-left: 4px solid #0EA5E9; }

/* ---------- Empty States ---------- */
.empty-state { text-align: center; padding: 3rem 1rem; color: var(--apbt-slate-light); }
.empty-state i { font-size: 3rem; color: var(--apbt-border); margin-bottom: 1rem; display: block; }
.empty-state h5 { color: var(--apbt-slate-mid); margin-bottom: 0.5rem; }
.empty-state p { max-width: 400px; margin: 0 auto; font-size: 0.9rem; }

/* ---------- Utility Classes ---------- */
.section-alt { background-color: var(--apbt-surface-alt); }
.bg-earthy  { background-color: var(--apbt-surface-alt) !important; border-color: var(--apbt-border) !important; }
.text-earthy { color: var(--apbt-indigo) !important; }
.text-green  { color: var(--apbt-green-dark) !important; }
.border-green-left { border-left: 3px solid var(--apbt-green); }

/* ---------- Dropdown ---------- */
.dropdown-menu {
    border: 1px solid var(--apbt-border);
    border-radius: var(--apbt-radius);
    box-shadow: var(--apbt-shadow-lg);
    padding: 0.35rem;
}
.dropdown-item {
    border-radius: 0.375rem;
    font-size: 0.875rem;
    padding: 0.45rem 0.75rem;
    color: var(--apbt-slate-mid);
    font-weight: 500;
    transition: var(--apbt-transition);
}
.dropdown-item:hover, .dropdown-item:focus {
    background-color: var(--apbt-indigo-pale);
    color: var(--apbt-indigo-dark);
}

/* ---------- Pagination ---------- */
.page-link {
    color: var(--apbt-indigo);
    border-color: var(--apbt-border);
    font-size: 0.875rem;
    font-weight: 500;
}
.page-link:hover { background-color: var(--apbt-indigo-pale); color: var(--apbt-indigo-dark); border-color: var(--apbt-border); }
.page-item.active .page-link { background-color: var(--apbt-indigo); border-color: var(--apbt-indigo); color: #fff; }

/* ---------- Breadcrumb ---------- */
.breadcrumb-item a { color: var(--apbt-slate-light); font-size: 0.875rem; }
.breadcrumb-item.active { color: var(--apbt-slate-mid); font-size: 0.875rem; }

/* ---------- Modal ---------- */
.modal-content { border: 1px solid var(--apbt-border); border-radius: var(--apbt-radius-lg); box-shadow: var(--apbt-shadow-xl); }
.modal-header { background: var(--apbt-surface-alt); border-bottom-color: var(--apbt-border); }
.modal-footer { border-top-color: var(--apbt-border); }

/* ---------- No-Photo Placeholder ---------- */
.no-photo-placeholder {
    background-color: var(--apbt-surface-alt);
    display: flex;
    align-items: center;
    justify-content: center;
}
.no-photo-placeholder i { color: var(--apbt-border); }

/* ---------- Message Thread ---------- */
.message-sent {
    background-color: var(--apbt-indigo-pale);
    border-left: 3px solid var(--apbt-indigo);
}
.message-received {
    background-color: var(--apbt-surface-alt);
    border-left: 3px solid var(--apbt-border);
}

/* ---------- Unread Dot ---------- */
.unread-dot {
    display: inline-block;
    width: 8px; height: 8px;
    border-radius: 50%;
    background-color: var(--apbt-indigo);
}

/* ---------- Parent Search Autocomplete ---------- */
.parent-search-results {
    position: absolute;
    top: 100%; left: 0; right: 0;
    z-index: 1050;
    background: #fff;
    border: 1px solid var(--apbt-border);
    border-top: none;
    border-radius: 0 0 var(--apbt-radius) var(--apbt-radius);
    box-shadow: var(--apbt-shadow-lg);
    max-height: 240px;
    overflow-y: auto;
}
.parent-search-item {
    padding: 0.5rem 0.75rem;
    cursor: pointer;
    border-bottom: 1px solid var(--apbt-border-light);
    font-size: 0.875rem;
    transition: background-color 0.15s ease;
}
.parent-search-item:last-child { border-bottom: none; }
.parent-search-item:hover { background-color: var(--apbt-indigo-pale); color: var(--apbt-indigo-dark); }

/* ---------- Accordion ---------- */
.accordion-item { border-color: var(--apbt-border); border-radius: var(--apbt-radius) !important; overflow: hidden; margin-bottom: 0.5rem; }
.accordion-button {
    background-color: var(--apbt-surface-alt);
    color: var(--apbt-slate-mid);
    font-weight: 600;
    font-size: 0.9rem;
}
.accordion-button:not(.collapsed) {
    background-color: var(--apbt-indigo-pale);
    color: var(--apbt-indigo-dark);
    box-shadow: none;
}
.accordion-button:focus {
    border-color: var(--apbt-indigo-light);
    box-shadow: 0 0 0 3px rgba(99,102,241,0.12);
}
.accordion-button::after { filter: none; opacity: 0.5; }
.accordion-body { background-color: #fff; color: var(--apbt-navy); font-size: 0.9rem; }

/* ---------- Mobile Navbar Dropdown ---------- */
@media (max-width: 991.98px) {
    .navbar-apbt .dropdown-menu {
        position: static !important;
        background: transparent !important;
        border: none !important;
        box-shadow: none !important;
        border-radius: 0 !important;
        padding: 0.15rem 0 0.5rem 0.75rem !important;
        margin: 0 !important;
    }
    .navbar-apbt .dropdown-item {
        color: rgba(255,255,255,0.6) !important;
        border-radius: 0.375rem;
        padding: 0.4rem 0.65rem !important;
        font-size: 0.875rem;
    }
    .navbar-apbt .dropdown-item:hover {
        background: rgba(255,255,255,0.07) !important;
        color: #fff !important;
    }
    .navbar-apbt .dropdown-divider {
        border-color: rgba(255,255,255,0.1) !important;
        margin: 0.25rem 0.5rem !important;
    }
    /* Navbar padding on mobile */
    .navbar-apbt .navbar-nav {
        padding: 0.5rem 0;
        gap: 0.1rem;
    }
    .navbar-apbt .nav-link {
        padding: 0.45rem 0.75rem;
    }
}

/* ---------- Responsive ---------- */
@media (max-width: 768px) {
    .hero-section { padding: 3rem 0; }
    .hero-section h1 { font-size: 1.75rem; }
    .stat-card .stat-value { font-size: 1.5rem; }
    .stat-card .stat-icon { font-size: 2rem; }
}
@media (max-width: 576px) {
    .hero-section { padding: 2rem 0; }
    .cta-section  { padding: 2.5rem 0; }
}