/* ============================================================
   RBI Student Portal — Official Brand Design System
   Royal Bafokeng Institute — CI 2025 Compliant
   Primary:  #0f664f (Bafokeng Forest)
   Secondary:#1c573b (Royal Pine)
   Orange:   #f28c21 (Molten Ember)
   Dark:     #171717 (Iron Core)
   White:    #ffffff (Platinum Frost)
   ============================================================ */

/* CI 2025: Primary font = Calibri, Secondary = DINOT
   Calibri is a Microsoft font — load via system stack.
   DINOT is a licensed font — falls back to system sans-serif. */

/* ── Variables ── */
:root {
    /* CI 2025 exact colours */
    --rbi-green:      #0f664f;   /* Primary — Bafokeng Forest */
    --rbi-green-dark: #1c573b;   /* Secondary — Royal Pine    */
    --rbi-green-light:#e6f2ee;
    --rbi-orange:     #f28c21;   /* Orange Accent — Molten Ember */
    --rbi-orange-dark:#d4780f;
    --rbi-orange-light:#fef3e2;
    --rbi-dark:       #171717;   /* Dark Grey/Black — Iron Core  */
    --rbi-white:      #ffffff;   /* Platinum Frost               */
    --rbi-light:      #f5f5f5;   /* Mist Silver (light grey)     */
    --rbi-border:     #e0e0e0;
    --rbi-text:       #171717;
    --rbi-muted:      #555555;

    /* Legacy aliases so existing HTML inline styles still work */
    --rbi-primary:    #0f664f;
    --rbi-accent:     #f28c21;
    --rbi-secondary:  #1c573b;
    --rbi-gold:       #f28c21;
    --rbi-navy-light: #1c573b;

    --shadow-sm:  0 1px 4px rgba(0,0,0,0.08);
    --shadow-md:  0 4px 16px rgba(0,0,0,0.12);
    --shadow-lg:  0 8px 32px rgba(0,0,0,0.16);

    --radius-sm:  0.25rem;
    --radius-md:  0.5rem;
    --radius-lg:  0.75rem;
    --radius-xl:  1rem;

    --touch-target-min: 44px;
    --transition: all 0.2s ease;
}

/* ── Reset & Base ── */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
    font-family: 'Calibri', 'DINOT', 'Segoe UI', -apple-system, BlinkMacSystemFont, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--rbi-text);
    background-color: var(--rbi-white);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

main { flex: 1; }

/* ── CI 2025 Typography — Calibri heading scale ── */
h1, .h1 {
    font-family: 'Calibri', 'DINOT', sans-serif;
    font-weight: 700;
    font-size: 2rem;      /* ~40pt equivalent for web */
    color: var(--rbi-green);
}
h2, .h2 {
    font-family: 'Calibri', 'DINOT', sans-serif;
    font-weight: 700;
    font-size: 1.6rem;    /* ~30pt equivalent */
    color: var(--rbi-green);
}
h3, .h3 {
    font-family: 'Calibri', 'DINOT', sans-serif;
    font-weight: 700;
    font-size: 1.25rem;   /* ~20pt equivalent */
    color: var(--rbi-green);
}
h4, h5, h6, .h4, .h5, .h6 {
    font-family: 'Calibri', 'DINOT', sans-serif;
    font-weight: 700;
    color: var(--rbi-green);
}

/* ── Navbar ── */
.navbar {
    background: var(--rbi-white) !important;
    border-bottom: 3px solid var(--rbi-orange);
    box-shadow: 0 2px 6px rgba(0,0,0,0.08);
    padding: 0.5rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar-brand {
    font-weight: 700;
    font-size: 1rem;
    color: var(--rbi-green) !important;
    display: flex;
    align-items: center;
    gap: 0.6rem;
}
.navbar-brand:hover { color: var(--rbi-orange) !important; }
.navbar-brand img { max-height: 48px; }

.navbar-toggler {
    border: 1.5px solid var(--rbi-green);
    padding: 0.35rem 0.55rem;
    min-height: var(--touch-target-min);
    min-width: var(--touch-target-min);
    border-radius: var(--radius-sm);
}
.navbar-toggler:focus { box-shadow: 0 0 0 3px rgba(247,148,30,0.3); outline: none; }
.navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='%23006550' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

.nav-link {
    color: var(--rbi-green) !important;
    font-weight: 600;
    font-size: 0.88rem;
    padding: 0.5rem 0.9rem !important;
    border-radius: var(--radius-sm);
    transition: var(--transition);
    text-transform: uppercase;
    letter-spacing: 0.03em;
}
.nav-link:hover {
    color: var(--rbi-orange) !important;
    background: transparent;
}
.nav-link.active, .nav-link.fw-bold {
    color: var(--rbi-orange) !important;
}

/* ── Cards ── */
.card {
    background: var(--rbi-white);
    border: 1px solid var(--rbi-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    margin-bottom: 1.5rem;
}
.card:hover { box-shadow: var(--shadow-md); }

.card-header {
    background: var(--rbi-green);
    color: #fff;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0 !important;
    padding: 0.9rem 1.25rem;
    font-weight: 700;
    font-size: 0.95rem;
    border-bottom: none;
}

.card-body { padding: 1.5rem; }

/* ── Buttons ── */
.btn, button, a.btn, input[type="submit"], input[type="button"] {
    min-height: var(--touch-target-min);
    padding: 0.55rem 1.4rem;
    font-size: 0.9rem;
    font-weight: 700;
    border-radius: var(--radius-md);
    transition: var(--transition);
    cursor: pointer;
    letter-spacing: 0.02em;
    -webkit-tap-highlight-color: transparent;
    user-select: none;
    text-transform: uppercase;
}

.btn-primary {
    background: var(--rbi-orange);
    border-color: var(--rbi-orange);
    color: #fff;
    box-shadow: 0 2px 8px rgba(247,148,30,0.35);
}
.btn-primary:hover, .btn-primary:focus {
    background: var(--rbi-orange-dark);
    border-color: var(--rbi-orange-dark);
    color: #fff;
    box-shadow: 0 4px 14px rgba(247,148,30,0.45);
    transform: translateY(-1px);
}

.btn-secondary {
    background: var(--rbi-green);
    border-color: var(--rbi-green);
    color: #fff;
}
.btn-secondary:hover {
    background: var(--rbi-green-dark);
    border-color: var(--rbi-green-dark);
    color: #fff;
    transform: translateY(-1px);
}

.btn-outline-primary {
    background: transparent;
    border: 2px solid var(--rbi-orange) !important;
    color: var(--rbi-orange);
}
.btn-outline-primary:hover {
    background: var(--rbi-orange);
    color: #fff;
    transform: translateY(-1px);
}

.btn-outline-secondary {
    background: transparent;
    border: 2px solid var(--rbi-green) !important;
    color: var(--rbi-green);
}
.btn-outline-secondary:hover {
    background: var(--rbi-green);
    color: #fff;
}

.btn-success {
    background: var(--rbi-green);
    border-color: var(--rbi-green);
    color: #fff;
}
.btn-success:hover {
    background: var(--rbi-green-dark);
    border-color: var(--rbi-green-dark);
    color: #fff;
}

.btn-warning {
    background: var(--rbi-orange);
    border-color: var(--rbi-orange);
    color: #fff;
}
.btn-warning:hover {
    background: var(--rbi-orange-dark);
    border-color: var(--rbi-orange-dark);
    color: #fff;
}

.btn-light {
    background: #fff;
    border-color: var(--rbi-border);
    color: var(--rbi-text);
    text-transform: none;
}
.btn-light:hover {
    background: var(--rbi-light);
    color: var(--rbi-green);
}

.btn-outline-light {
    background: transparent;
    border: 1.5px solid rgba(255,255,255,0.8) !important;
    color: #fff;
    text-transform: none;
}
.btn-outline-light:hover {
    background: rgba(255,255,255,0.15);
    color: #fff;
}

.btn-outline-danger {
    border: 1.5px solid #dc2626 !important;
    color: #dc2626;
    background: transparent;
    text-transform: none;
}
.btn-outline-danger:hover {
    background: #dc2626;
    color: #fff;
}

.btn:active { transform: scale(0.97) !important; }

/* ── Hero / Page header banner ── */
.rbi-hero {
    background: var(--rbi-green);
    padding: 3rem 0 2.5rem;
    text-align: center;
    position: relative;
}
.rbi-hero::after {
    content: '';
    position: absolute;
    bottom: 0; left: 0; right: 0;
    height: 4px;
    background: var(--rbi-orange);
}
.rbi-hero h1 {
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    font-weight: 800;
    color: #fff;
    letter-spacing: -0.01em;
    margin-bottom: 0.5rem;
}
.rbi-hero .lead { color: rgba(255,255,255,0.88); font-size: 1rem; }

/* ── Orange banner strip (like the RBI site's orange tagline bar) ── */
.rbi-excellence-banner {
    background: var(--rbi-orange);
    color: #fff;
    padding: 0.85rem 1.5rem;
    text-align: center;
    font-weight: 700;
    font-size: 0.95rem;
    border-radius: var(--radius-md);
    letter-spacing: 0.01em;
}

/* ── Accent line ── */
.rbi-accent-line {
    height: 3px;
    background: linear-gradient(90deg, var(--rbi-green), var(--rbi-orange));
    border-radius: 2px;
    margin: 1.5rem 0;
}

/* ── Forms ── */
.form-label {
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--rbi-green);
    margin-bottom: 0.35rem;
}

.form-control, .form-select {
    min-height: var(--touch-target-min);
    padding: 0.6rem 0.85rem;
    font-size: 0.95rem;
    border-radius: var(--radius-sm);
    border: 1.5px solid var(--rbi-border);
    background: #fff;
    color: var(--rbi-text);
    transition: var(--transition);
}
.form-control:focus, .form-select:focus {
    border-color: var(--rbi-orange);
    box-shadow: 0 0 0 3px rgba(247,148,30,0.18);
    outline: none;
}
.form-control.is-valid   { border-color: var(--rbi-green); box-shadow: 0 0 0 3px rgba(0,101,80,0.12); }
.form-control.is-invalid { border-color: #dc2626; box-shadow: 0 0 0 3px rgba(220,38,38,0.12); }

.form-text { font-size: 0.78rem; color: var(--rbi-muted); margin-top: 0.25rem; }

.form-check {
    min-height: var(--touch-target-min);
    display: flex;
    align-items: center;
    padding-left: 0;
    gap: 0.6rem;
}
.form-check-input {
    min-width: 1.2rem;
    min-height: 1.2rem;
    border: 1.5px solid var(--rbi-border);
    cursor: pointer;
    border-radius: 0.25rem;
}
.form-check-input:checked {
    background-color: var(--rbi-orange);
    border-color: var(--rbi-orange);
}
.form-check-label { cursor: pointer; font-size: 0.9rem; }

/* ── Alerts ── */
.alert {
    border-radius: var(--radius-md);
    padding: 0.9rem 1.1rem;
    margin-bottom: 1rem;
    border-width: 1px;
    border-style: solid;
    font-size: 0.9rem;
}

/* Outside cards — solid, readable on white or coloured backgrounds */
.alert-success {
    background-color: var(--rbi-green) !important;
    border-color: var(--rbi-green-dark) !important;
    color: #fff !important;
}
.alert-success .alert-link { color: #d4f0e8 !important; }
.alert-success .btn-close   { filter: invert(1) grayscale(1) brightness(2); }

.alert-danger {
    background-color: #b91c1c !important;
    border-color: #991b1b !important;
    color: #fff !important;
}
.alert-danger .alert-link { color: #fecaca !important; }
.alert-danger .btn-close  { filter: invert(1) grayscale(1) brightness(2); }

.alert-warning {
    background-color: var(--rbi-orange) !important;
    border-color: var(--rbi-orange-dark) !important;
    color: #fff !important;
}
.alert-warning .alert-link { color: #fff3cd !important; }
.alert-warning .btn-close  { filter: invert(1) grayscale(1) brightness(2); }

.alert-info {
    background-color: #0369a1 !important;
    border-color: #075985 !important;
    color: #fff !important;
}
.alert-info .alert-link { color: #bae6fd !important; }
.alert-info .btn-close  { filter: invert(1) grayscale(1) brightness(2); }

/* Inside white cards — light tinted versions */
.card .alert-success {
    background-color: var(--rbi-green-light) !important;
    border-color: #a7d4c8 !important;
    color: var(--rbi-green-dark) !important;
}
.card .alert-success .btn-close { filter: none; }

.card .alert-danger {
    background-color: #fee2e2 !important;
    border-color: #fca5a5 !important;
    color: #7f1d1d !important;
}
.card .alert-danger .btn-close { filter: none; }

.card .alert-warning {
    background-color: var(--rbi-orange-light) !important;
    border-color: #fcd9a0 !important;
    color: #92400e !important;
}
.card .alert-warning .btn-close { filter: none; }

.card .alert-info {
    background-color: #e0f2fe !important;
    border-color: #7dd3fc !important;
    color: #0c4a6e !important;
}
.card .alert-info .btn-close { filter: none; }

/* ── Badges ── */
.badge {
    padding: 0.35rem 0.7rem;
    font-size: 0.75rem;
    font-weight: 700;
    border-radius: 2rem;
    letter-spacing: 0.02em;
}
.bg-purple    { background: #7c3aed !important; color: #fff; }
.bg-success   { background: var(--rbi-green) !important; color: #fff !important; }
.bg-danger    { background: #dc2626 !important; color: #fff !important; }
.bg-primary   { background: var(--rbi-green) !important; color: #fff !important; }
.bg-secondary { background: #6b7280 !important; color: #fff !important; }
.bg-warning   { background: var(--rbi-orange) !important; color: #fff !important; }

/* ── RBI Info Box ── */
.rbi-info-box {
    background: #fff;
    border: 1px solid var(--rbi-border);
    border-left: 4px solid var(--rbi-orange);
    border-radius: var(--radius-md);
    padding: 1.25rem 1.5rem;
    margin-bottom: 1.5rem;
    box-shadow: var(--shadow-sm);
}
.rbi-info-box h3 { color: var(--rbi-green); font-weight: 700; margin-bottom: 0.5rem; }

/* ── Feature cards ── */
.rbi-feature-card {
    background: #fff;
    border: 1px solid var(--rbi-border);
    border-top: 3px solid var(--rbi-orange);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}
.rbi-feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-top-color: var(--rbi-green);
}
.rbi-feature-card .card-title { color: var(--rbi-green); font-weight: 700; }
.rbi-feature-card .card-text  { color: var(--rbi-muted); font-size: 0.9rem; }

/* ── Footer ── */
.rbi-footer {
    background: var(--rbi-green);
    color: rgba(255,255,255,0.9);
    padding: 2rem 0 1.25rem;
    margin-top: 3rem;
    border-top: 4px solid var(--rbi-orange);
}
.rbi-footer a {
    color: #fff;
    text-decoration: none;
    transition: var(--transition);
    display: inline;
    min-height: unset;
}
.rbi-footer a:hover { color: var(--rbi-orange); text-decoration: underline; }
.rbi-footer-logo { max-width: 120px; margin-bottom: 1rem; }

/* ── Dashboard: window cards & application rows ── */
.window-card {
    background: #fff;
    border: 1px solid var(--rbi-border);
    border-left: 4px solid var(--rbi-orange);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}
.window-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-left-color: var(--rbi-green);
}

.application-row {
    background: #fff;
    border: 1px solid var(--rbi-border);
    border-left: 4px solid var(--rbi-green);
    border-radius: var(--radius-md);
    transition: var(--transition);
}
.application-row:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

/* ── Empty state ── */
.empty-state {
    text-align: center;
    padding: 2.5rem 1rem;
    color: var(--rbi-muted);
}
.empty-state .empty-icon { font-size: 2.5rem; margin-bottom: 0.75rem; display: block; }

/* ── Allocation portal funded banner ── */
.funded-banner {
    background: var(--rbi-green);
    border-left: 4px solid var(--rbi-orange);
    border-radius: var(--radius-lg);
    padding: 1.25rem 1.5rem;
    margin-bottom: 1.5rem;
    box-shadow: var(--shadow-md);
    color: #fff;
}
.funded-banner .ref { color: var(--rbi-orange); font-weight: 700; font-size: 1rem; }

/* ── Stat mini cards ── */
.stat-mini {
    background: #fff;
    border: 1px solid var(--rbi-border);
    border-top: 3px solid var(--rbi-orange);
    border-radius: var(--radius-md);
    padding: 1rem;
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}
.stat-mini:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.stat-mini .val  { font-size: 1.6rem; font-weight: 800; color: var(--rbi-green); line-height: 1.1; }
.stat-mini .lbl  { font-size: 0.75rem; color: var(--rbi-muted); margin-top: 0.2rem; font-weight: 500; }

/* ── Tab navigation ── */
.tab-nav { display: flex; gap: 0.5rem; flex-wrap: wrap; margin-bottom: 1.5rem; }

.tab-btn {
    padding: 0.45rem 1rem;
    background: #fff;
    border: 1.5px solid var(--rbi-border) !important;
    color: var(--rbi-text);
    border-radius: var(--radius-md);
    cursor: pointer;
    font-size: 0.875rem;
    font-weight: 600;
    transition: var(--transition);
    min-height: 40px;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
}
.tab-btn:hover {
    background: var(--rbi-light);
    border-color: var(--rbi-orange) !important;
    color: var(--rbi-orange);
}
.tab-btn.active {
    background: var(--rbi-green);
    border-color: var(--rbi-green) !important;
    color: #fff;
    box-shadow: var(--shadow-sm);
}
.tab-btn .badge-dot {
    background: #dc2626;
    color: #fff;
    border-radius: 50%;
    width: 18px; height: 18px;
    font-size: 0.65rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}
.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* ── Message items ── */
.msg-item {
    border-left: 3px solid var(--rbi-green);
    background: #fff;
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    padding: 0.7rem 1rem;
    margin-bottom: 0.5rem;
    transition: var(--transition);
}
.msg-item:hover { box-shadow: var(--shadow-sm); }
.msg-item.unread { border-left-color: var(--rbi-orange); background: var(--rbi-orange-light); }
.msg-item .msg-subject { font-weight: 700; font-size: 0.88rem; color: var(--rbi-green); }
.msg-item .msg-meta    { font-size: 0.73rem; color: var(--rbi-muted); margin-top: 0.1rem; }
.msg-item .msg-preview { font-size: 0.82rem; color: #4b5563; margin-top: 0.25rem;
                          display: -webkit-box; -webkit-line-clamp: 2;
                          -webkit-box-orient: vertical; overflow: hidden; }
.broadcast-item {
    border-left: 3px solid var(--rbi-orange);
    background: var(--rbi-orange-light);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    padding: 0.7rem 1rem;
    margin-bottom: 0.5rem;
}
.broadcast-item .msg-subject { color: var(--rbi-orange-dark); font-weight: 700; }
.unread-dot {
    width: 8px; height: 8px; border-radius: 50%;
    background: var(--rbi-orange); flex-shrink: 0; margin-top: 4px;
}
.msg-tabs { display: flex; gap: 0.4rem; margin-bottom: 0.75rem; }
.msg-tab-btn {
    padding: 0.3rem 0.85rem;
    border: 1.5px solid var(--rbi-border);
    background: transparent;
    color: var(--rbi-text);
    border-radius: 2rem;
    cursor: pointer;
    font-size: 0.8rem;
    font-weight: 600;
    transition: var(--transition);
}
.msg-tab-btn.active {
    background: var(--rbi-green);
    color: #fff;
    border-color: var(--rbi-green);
}

/* ── Message bubbles ── */
.msg-bubble {
    padding: 0.75rem 1rem;
    border-radius: var(--radius-md);
    margin-bottom: 0.75rem;
    font-size: 0.9rem;
    max-width: 82%;
    box-shadow: var(--shadow-sm);
}
.msg-bubble.from-admin {
    background: var(--rbi-green-light);
    border: 1px solid #a7d4c8;
    border-bottom-left-radius: 0.2rem;
}
.msg-bubble.from-me {
    background: var(--rbi-orange-light);
    border: 1px solid #fcd9a0;
    border-bottom-right-radius: 0.2rem;
    margin-left: auto;
}
.msg-meta { font-size: 0.72rem; color: var(--rbi-muted); margin-top: 0.3rem; }

/* ── Upload rows ── */
.upload-row {
    background: #fff;
    border: 1px solid var(--rbi-border);
    border-radius: var(--radius-sm);
    padding: 0.75rem 1rem;
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
    transition: var(--transition);
}
.upload-row.pending  { border-left: 4px solid var(--rbi-orange); }
.upload-row.approved { border-left: 4px solid var(--rbi-green); }
.upload-row.rejected { border-left: 4px solid #dc2626; }
.upload-row:hover    { box-shadow: var(--shadow-sm); }

/* ── Tables ── */
.table { font-size: 0.9rem; }
.table thead th {
    background: var(--rbi-green);
    color: #fff;
    font-weight: 700;
    border-bottom: 2px solid var(--rbi-orange);
    font-size: 0.82rem;
    letter-spacing: 0.03em;
    text-transform: uppercase;
}
.table tbody tr:hover td { background: var(--rbi-green-light); }

/* ── Progress bar ── */
.progress {
    height: 8px;
    border-radius: 2rem;
    background: var(--rbi-border);
    overflow: hidden;
}
.progress-bar {
    border-radius: 2rem;
    background: linear-gradient(90deg, var(--rbi-green), var(--rbi-orange));
    transition: width 0.6s ease;
}

/* ── List group ── */
.list-group-item {
    background: #fff;
    border: 1px solid var(--rbi-border);
    border-radius: var(--radius-sm) !important;
    margin-bottom: 0.35rem;
    padding: 0.85rem 1rem;
    transition: var(--transition);
    color: var(--rbi-text);
}
.list-group-item:hover { background: var(--rbi-light); box-shadow: var(--shadow-sm); }

/* ── Links ── */
a {
    color: var(--rbi-green);
    transition: var(--transition);
    -webkit-tap-highlight-color: transparent;
}
a:hover { color: var(--rbi-orange); }

p a, .small a, li a, td a, label a, .form-text a, .rbi-footer a {
    min-height: unset;
    display: inline;
}

/* ── Allocation portal funded banner on dashboard ── */
#allocation-banner .card {
    background: var(--rbi-green) !important;
    border: 1px solid rgba(247,148,30,0.4) !important;
    box-shadow: var(--shadow-md) !important;
    color: #fff !important;
}

/* ── Programme selection cards ── */
.programme-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md) !important;
}
.programme-card.selected {
    box-shadow: var(--shadow-md) !important;
}

/* ── Spinner ── */
.spinner-border-sm { width: 1rem; height: 1rem; border-width: 0.15em; }

/* ── Focus styles (accessibility) ── */
*:focus-visible {
    outline: 2px solid var(--rbi-orange);
    outline-offset: 3px;
    border-radius: 3px;
}

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--rbi-light); border-radius: 3px; }
::-webkit-scrollbar-thumb { background: rgba(0,101,80,0.3); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(0,101,80,0.5); }

/* ── Touch targets ── */
.btn, button, a.btn, input[type="submit"], input[type="button"],
.navbar-toggler, .nav-link, .form-check-label {
    -webkit-tap-highlight-color: transparent;
}

/* ── Reduced motion ── */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
}

/* ── Mobile (≤480px) ── */
@media (max-width: 480px) {
    body { font-size: 15px; }
    .container-fluid { padding-left: 0.9rem; padding-right: 0.9rem; }
    .rbi-hero { padding: 2rem 0 1.75rem; }
    .rbi-hero h1 { font-size: 1.55rem; }
    .card-body { padding: 1rem; }
    .card-header { padding: 0.85rem 1rem; font-size: 0.9rem; }
    .btn-lg { padding: 0.6rem 1.2rem; font-size: 0.9rem; }
    .tab-btn { font-size: 0.8rem; padding: 0.4rem 0.75rem; }
    .stat-mini .val { font-size: 1.3rem; }
    .navbar-brand img { max-height: 38px; }
    .rbi-footer-logo { max-width: 100px; }
}

/* ── Tablet (481–768px) ── */
@media (min-width: 481px) and (max-width: 768px) {
    .container-fluid { padding-left: 1.25rem; padding-right: 1.25rem; }
    .rbi-hero { padding: 2.5rem 0 2rem; }
}

/* ── Prevent iOS zoom on inputs ── */
@media screen and (max-width: 768px) {
    input[type="text"], input[type="email"], input[type="tel"],
    input[type="password"], input[type="number"], select, textarea {
        font-size: 16px !important;
    }
}

/* ── High DPI ── */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    body { -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }
}