/* ============================================================
   OASC Custom UI — Modern & Clean Override Layer
   Sits on top of Skote/Bootstrap — does not replace them
   ============================================================ */

/* --- 1. Fonts & CSS Variables --- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
    --oasc-primary:      #6366f1;
    --oasc-primary-dark: #4f46e5;
    --oasc-primary-light:#eef2ff;
    --oasc-sidebar:      #312e81;
    --oasc-sidebar-hover:#3730a3;
    --oasc-sidebar-accent:#a855f7;
    --oasc-page-bg:      #fafafa;
    --oasc-card-bg:      #ffffff;
    --oasc-text:         #1e293b;
    --oasc-muted:        #64748b;
    --oasc-border:       #e2e8f0;
    --oasc-success:      #10b981;
    --oasc-danger:       #ef4444;
    --oasc-warning:      #f59e0b;
    --oasc-radius:       12px;
    --oasc-radius-sm:    8px;
    --oasc-shadow:       0 1px 3px rgba(0,0,0,.08), 0 4px 16px rgba(0,0,0,.06);
    --oasc-shadow-sm:    0 1px 2px rgba(0,0,0,.06);
}

/* --- 2. Base & Typography --- */
body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif !important;
    background-color: var(--oasc-page-bg) !important;
    color: var(--oasc-text) !important;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Inter', system-ui, sans-serif !important;
    font-weight: 600 !important;
    color: var(--oasc-text) !important;
    letter-spacing: -0.01em;
}

legend {
    font-family: 'Inter', system-ui, sans-serif !important;
    font-weight: 600 !important;
    font-size: 1.15rem !important;
    color: var(--oasc-text) !important;
    border-bottom: 2px solid var(--oasc-primary) !important;
    padding-bottom: 8px !important;
    margin-bottom: 24px !important;
}

/* --- 3. Topbar / Header --- */
#page-topbar {
    background-color: #ffffff !important;
    box-shadow: 0 1px 0 var(--oasc-border), var(--oasc-shadow-sm) !important;
    border-bottom: 1px solid var(--oasc-border) !important;
}

.navbar-header {
    height: 64px !important;
}

.navbar-brand-box {
    background-color: var(--oasc-sidebar) !important;
    width: 240px !important;
    padding: 0 !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
}

.logo-lg img {
    height: 48px !important;
    width: auto !important;
    object-fit: contain !important;
}

.logo-sm img {
    height: 28px !important;
    width: auto !important;
}

/* Desktop: show full logo, hide compact logo */
.navbar-brand-box .logo-sm {
    display: none !important;
}

.navbar-brand-box .logo-lg {
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
}

.header-item {
    color: var(--oasc-muted) !important;
}

.header-item:hover {
    color: var(--oasc-primary) !important;
    background: var(--oasc-primary-light) !important;
}

#vertical-menu-btn {
    color: var(--oasc-muted) !important;
    border-radius: var(--oasc-radius-sm) !important;
}

/* Topbar user dropdown */
#page-header-user-dropdown {
    display: flex !important;
    align-items: center !important;
    gap: 8px !important;
    padding: 6px 12px !important;
    border-radius: var(--oasc-radius-sm) !important;
    color: var(--oasc-text) !important;
    font-weight: 500 !important;
    font-size: 0.875rem !important;
    transition: background .15s ease !important;
}

#page-header-user-dropdown:hover {
    background: var(--oasc-primary-light) !important;
    color: var(--oasc-primary) !important;
}

.header-profile-user {
    width: 34px !important;
    height: 34px !important;
    border: 2px solid var(--oasc-border) !important;
}

.dropdown-menu {
    border: 1px solid var(--oasc-border) !important;
    border-radius: var(--oasc-radius) !important;
    box-shadow: var(--oasc-shadow) !important;
    padding: 8px !important;
    min-width: 200px !important;
}

.dropdown-item {
    border-radius: 6px !important;
    padding: 8px 12px !important;
    font-size: 0.875rem !important;
    color: var(--oasc-text) !important;
    transition: background .12s ease !important;
}

.dropdown-item:hover {
    background: var(--oasc-primary-light) !important;
    color: var(--oasc-primary) !important;
}

.dropdown-divider {
    border-color: var(--oasc-border) !important;
    margin: 4px 0 !important;
}

/* --- 4. Sidebar / Left Nav --- */
.vertical-menu {
    background-color: var(--oasc-sidebar) !important;
    width: 240px !important;
    box-shadow: 2px 0 12px rgba(0,0,0,.12) !important;
}

#sidebar-menu {
    padding: 12px 0 !important;
}

#sidebar-menu ul li a {
    color: #94a3b8 !important;
    font-size: 0.875rem !important;
    font-weight: 500 !important;
    padding: 10px 20px !important;
    border-radius: 0 !important;
    transition: all .15s ease !important;
    display: flex !important;
    align-items: center !important;
    gap: 10px !important;
}

#sidebar-menu ul li a:hover {
    color: #ffffff !important;
    background-color: var(--oasc-sidebar-hover) !important;
}

#sidebar-menu ul li a.active,
#sidebar-menu ul li.active > a {
    color: #ffffff !important;
    background-color: var(--oasc-primary) !important;
    border-right: 3px solid var(--oasc-sidebar-accent) !important;
}

#sidebar-menu ul li a i,
#sidebar-menu ul li a .fas,
#sidebar-menu ul li a .far,
#sidebar-menu ul li a .mdi {
    font-size: 1rem !important;
    width: 18px !important;
    text-align: center !important;
    color: inherit !important;
}

.menu-title {
    font-size: 0.7rem !important;
    font-weight: 700 !important;
    letter-spacing: 0.08em !important;
    text-transform: uppercase !important;
    color: #475569 !important;
    padding: 16px 20px 6px !important;
}

/* Simplebar scrollbar in sidebar */
.simplebar-scrollbar::before {
    background-color: #334155 !important;
}

/* --- 5. Main Content Area --- */
.main-content {
    margin-left: 240px !important;
    position: relative !important;
    min-height: 100vh !important;
}

.page-content {
    padding: calc(64px + 28px) 32px calc(56px + 28px) !important;
    min-height: calc(100vh - 64px - 56px) !important;
}

/* Row gutters — scoped only to direct page-content children, not Bootstrap internals */
.page-content > .row {
    margin-left: -12px;
    margin-right: -12px;
}

.page-content > .row > [class*="col-"] {
    padding-left: 12px;
    padding-right: 12px;
}

/* --- 6. Cards --- */
.card {
    border: 1px solid var(--oasc-border) !important;
    border-radius: var(--oasc-radius) !important;
    box-shadow: var(--oasc-shadow) !important;
    background-color: var(--oasc-card-bg) !important;
    margin-bottom: 24px !important;
}

.card-body {
    padding: 28px !important;
}

/* Card header meta row (icon + title + description) */
.card-header-meta {
    display: flex !important;
    align-items: center !important;
    gap: 14px !important;
    margin-bottom: 20px !important;
    padding-bottom: 20px !important;
    border-bottom: 1px solid var(--oasc-border) !important;
}

.card-header-icon {
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    width: 40px !important;
    height: 40px !important;
    border-radius: 10px !important;
    background: var(--oasc-primary-light) !important;
    flex-shrink: 0 !important;
}

.card-header-icon i {
    color: var(--oasc-primary) !important;
    font-size: 1rem !important;
}

.card-title,
.header-title {
    font-size: 1rem !important;
    font-weight: 600 !important;
    color: var(--oasc-text) !important;
    margin-bottom: 2px !important;
    line-height: 1.3 !important;
}

.card-title-desc {
    font-size: 0.8rem !important;
    color: var(--oasc-muted) !important;
    margin-bottom: 0 !important;
    line-height: 1.4 !important;
}

/* Page header card */
.page-header-card {
    background: linear-gradient(135deg, #312e81 0%, var(--oasc-primary) 100%) !important;
    border: none !important;
    border-radius: var(--oasc-radius) !important;
    color: white !important;
    padding: 20px 24px !important;
    margin-bottom: 24px !important;
}

.page-header-card h4,
.page-header-card p {
    color: white !important;
    margin: 0 !important;
}

/* --- 7. Form Controls --- */
.form-control {
    border: 1.5px solid var(--oasc-border) !important;
    border-radius: var(--oasc-radius-sm) !important;
    padding: 10px 14px !important;
    font-size: 0.875rem !important;
    color: var(--oasc-text) !important;
    background-color: #ffffff !important;
    transition: border-color .15s ease, box-shadow .15s ease !important;
    height: auto !important;
    line-height: 1.5 !important;
}

.form-control:focus {
    border-color: var(--oasc-primary) !important;
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.12) !important;
    outline: none !important;
}

.form-control[readonly] {
    background-color: #f8fafc !important;
    color: var(--oasc-muted) !important;
}

.form-control::placeholder {
    color: #94a3b8 !important;
}

select.form-control {
    cursor: pointer !important;
    appearance: auto !important;
}

.col-form-label {
    font-size: 0.8125rem !important;
    font-weight: 600 !important;
    color: var(--oasc-text) !important;
    padding-top: 10px !important;
}

.form-group {
    margin-bottom: 20px !important;
}

/* Floating label inputs (login page) */
.form-group-custom {
    position: relative !important;
    margin-bottom: 24px !important;
}

.form-group-custom .form-control {
    padding: 18px 14px 6px !important;
    height: 52px !important;
}

.form-group-custom label {
    position: absolute !important;
    top: 50% !important;
    left: 14px !important;
    transform: translateY(-50%) !important;
    font-size: 0.875rem !important;
    color: var(--oasc-muted) !important;
    pointer-events: none !important;
    transition: all .15s ease !important;
    font-weight: 400 !important;
    margin: 0 !important;
}

.form-group-custom .form-control:focus + label,
.form-group-custom .form-control:not(:placeholder-shown) + label,
.form-group-custom.focused label {
    top: 5px !important;
    transform: none !important;
    font-size: 0.7rem !important;
    font-weight: 600 !important;
    color: var(--oasc-primary) !important;
    letter-spacing: 0.02em !important;
}

/* jQuery Validate error messages — rendered outside .form-group-custom via errorPlacement */
label.oasc-field-error {
    display: block !important;
    position: static !important;
    font-size: 0.72rem !important;
    font-weight: 500 !important;
    color: var(--oasc-danger) !important;
    margin-top: 3px !important;
    margin-bottom: 0 !important;
    letter-spacing: 0 !important;
}
/* Fallback: if an error label ends up inside .form-group-custom, reset it */
.form-group-custom label.error {
    position: static !important;
    top: auto !important; left: auto !important;
    transform: none !important;
    font-size: 0.72rem !important;
    font-weight: 500 !important;
    color: var(--oasc-danger) !important;
    margin-top: 3px !important;
    display: block !important;
    letter-spacing: 0 !important;
}

/* --- 8. Buttons --- */
.btn {
    font-family: 'Inter', system-ui, sans-serif !important;
    font-weight: 600 !important;
    font-size: 0.875rem !important;
    border-radius: var(--oasc-radius-sm) !important;
    padding: 10px 20px !important;
    transition: all .15s ease !important;
    letter-spacing: 0.01em !important;
    border: none !important;
}

.btn-primary {
    background-color: var(--oasc-primary) !important;
    color: #ffffff !important;
    box-shadow: 0 2px 8px rgba(99, 102, 241, 0.3) !important;
}

.btn-primary:hover, .btn-primary:focus {
    background-color: var(--oasc-primary-dark) !important;
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.4) !important;
    transform: translateY(-1px) !important;
}

.btn-success {
    background-color: var(--oasc-success) !important;
    color: #ffffff !important;
    box-shadow: 0 2px 8px rgba(16, 185, 129, 0.3) !important;
}

.btn-success:hover {
    background-color: #059669 !important;
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.4) !important;
    transform: translateY(-1px) !important;
}

.btn-danger {
    background-color: var(--oasc-danger) !important;
    color: #ffffff !important;
}

.btn-danger:hover {
    background-color: #dc2626 !important;
    transform: translateY(-1px) !important;
}

.btn-block {
    width: 100% !important;
    padding: 12px 20px !important;
    font-size: 1rem !important;
}

.btn-sm {
    padding: 6px 12px !important;
    font-size: 0.8rem !important;
    border-radius: 6px !important;
}

/* --- 9. Tables & DataTables — Enhanced --- */

/* Strip all borders from table-bordered — we control them ourselves */
.table-bordered,
.table-bordered td,
.table-bordered th {
    border: none !important;
}

/* Subtle alternating row tint */
.table-striped tbody tr:nth-of-type(odd) {
    background-color: rgba(99, 102, 241, 0.025) !important;
}

.table {
    color: var(--oasc-text) !important;
    font-size: 0.875rem !important;
    border-collapse: collapse !important;
    border-spacing: 0 !important;
    width: 100% !important;
}

/* --- Table header — indigo gradient bar --- */
.table thead {
    background: linear-gradient(135deg, #312e81 0%, var(--oasc-primary) 100%) !important;
}

.table thead th {
    background: transparent !important;
    border: none !important;
    font-weight: 600 !important;
    font-size: 0.72rem !important;
    text-transform: uppercase !important;
    letter-spacing: 0.08em !important;
    color: rgba(255, 255, 255, 0.88) !important;
    padding: 14px 18px !important;
    white-space: nowrap !important;
}

/* Rounded header corners */
.table thead tr th:first-child { border-radius: 10px 0 0 0 !important; }
.table thead tr th:last-child  { border-radius: 0 10px 0 0 !important; }

/* DataTables sort arrows — keep them light */
.table thead .sorting::after,
.table thead .sorting_asc::after,
.table thead .sorting_desc::after {
    color: rgba(255,255,255,0.5) !important;
}

/* --- Body rows --- */
.table tbody tr {
    transition: background var(--dur-fast, 120ms) var(--ease-out, ease) !important;
}

.table tbody tr:hover {
    background-color: var(--oasc-primary-light) !important;
}

.table tbody td {
    padding: 14px 18px !important;
    border: none !important;
    border-bottom: 1px solid var(--oasc-border) !important;
    vertical-align: middle !important;
    color: var(--oasc-text) !important;
    line-height: 1.5 !important;
}

.table tbody tr:last-child td {
    border-bottom: none !important;
}

/* Amount column — add class="text-right" to amount th/td explicitly */
.table .col-amount,
.table th.col-amount {
    text-align: right !important;
}

/* Responsive wrapper — border + radius wraps the whole table */
.table-responsive {
    border: 1px solid var(--oasc-border) !important;
    border-radius: var(--oasc-radius) !important;
    overflow-x: auto !important;
    -webkit-overflow-scrolling: touch !important;
    margin-top: 20px !important;
}

/* --- DataTables toolbar (top row) --- */
.dataTables_wrapper {
    padding: 0 !important;
}

.dataTables_wrapper .dataTables_length,
.dataTables_wrapper .dataTables_filter {
    margin-bottom: 0 !important;
}

/* Toolbar row layout */
.dataTables_wrapper > .row:first-child {
    display: flex !important;
    align-items: center !important;
    justify-content: space-between !important;
    flex-wrap: wrap !important;
    gap: 12px !important;
    margin-bottom: 4px !important;
}

.dataTables_wrapper .dataTables_length label,
.dataTables_wrapper .dataTables_filter label {
    display: flex !important;
    align-items: center !important;
    gap: 8px !important;
    margin: 0 !important;
    font-size: 0.8125rem !important;
    color: var(--oasc-muted) !important;
    font-weight: 500 !important;
}

/* Search input — with inline search icon */
.dataTables_wrapper .dataTables_filter input {
    border: 1.5px solid var(--oasc-border) !important;
    border-radius: var(--oasc-radius-sm) !important;
    padding: 8px 14px 8px 36px !important;
    font-size: 0.8125rem !important;
    margin-left: 0 !important;
    width: 220px !important;
    color: var(--oasc-text) !important;
    background: #fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='13' height='13' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='11' cy='11' r='8'/%3E%3Cpath d='m21 21-4.35-4.35'/%3E%3C/svg%3E") no-repeat 12px center !important;
    transition: border-color var(--dur-fast, 120ms) var(--ease-out, ease),
                box-shadow   var(--dur-fast, 120ms) var(--ease-out, ease) !important;
}

.dataTables_wrapper .dataTables_filter input:focus {
    border-color: var(--oasc-primary) !important;
    outline: none !important;
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1) !important;
}

/* Show N entries select */
.dataTables_wrapper .dataTables_length select {
    border: 1.5px solid var(--oasc-border) !important;
    border-radius: var(--oasc-radius-sm) !important;
    padding: 7px 10px !important;
    font-size: 0.8125rem !important;
    margin: 0 !important;
    color: var(--oasc-text) !important;
    background-color: #fff !important;
    cursor: pointer !important;
}

/* --- DataTables bottom row (info + pagination) --- */
.dataTables_wrapper > .row:last-child {
    display: flex !important;
    align-items: center !important;
    justify-content: space-between !important;
    flex-wrap: wrap !important;
    gap: 12px !important;
    padding-top: 16px !important;
    border-top: 1px solid var(--oasc-border) !important;
    margin-top: 0 !important;
}

.dataTables_info {
    font-size: 0.8rem !important;
    color: var(--oasc-muted) !important;
    font-weight: 500 !important;
    padding-top: 0 !important;
}

/* Pagination pills */
.dataTables_wrapper .dataTables_paginate {
    padding-top: 0 !important;
}

.dataTables_wrapper .dataTables_paginate .paginate_button {
    border-radius: 8px !important;
    padding: 5px 12px !important;
    font-size: 0.8125rem !important;
    font-weight: 500 !important;
    color: var(--oasc-text) !important;
    border: 1px solid transparent !important;
    margin: 0 2px !important;
    line-height: 1.4 !important;
    transition: all var(--dur-fast, 120ms) var(--ease-out, ease) !important;
}

.dataTables_wrapper .dataTables_paginate .paginate_button.current,
.dataTables_wrapper .dataTables_paginate .paginate_button.current:hover {
    background: var(--oasc-primary) !important;
    color: #fff !important;
    border-color: var(--oasc-primary) !important;
    box-shadow: 0 2px 8px rgba(99, 102, 241, 0.3) !important;
}

.dataTables_wrapper .dataTables_paginate .paginate_button:hover:not(.current):not(.disabled) {
    background: var(--oasc-primary-light) !important;
    color: var(--oasc-primary) !important;
    border-color: var(--oasc-border) !important;
}

.dataTables_wrapper .dataTables_paginate .paginate_button.disabled,
.dataTables_wrapper .dataTables_paginate .paginate_button.disabled:hover {
    color: #cbd5e1 !important;
    cursor: not-allowed !important;
    background: transparent !important;
}

/* Export buttons (PDF, Excel, CSV, Print) */
.dt-buttons {
    display: flex !important;
    flex-wrap: wrap !important;
    gap: 6px !important;
    margin-bottom: 4px !important;
}

.dt-buttons .btn,
.dt-buttons .btn-default,
div.dt-buttons > a.dt-button {
    background: #fff !important;
    border: 1.5px solid var(--oasc-border) !important;
    color: var(--oasc-text) !important;
    font-size: 0.78rem !important;
    padding: 6px 14px !important;
    border-radius: var(--oasc-radius-sm) !important;
    font-weight: 600 !important;
    box-shadow: none !important;
    text-shadow: none !important;
    transition: all var(--dur-fast, 120ms) var(--ease-out, ease) !important;
    line-height: 1.4 !important;
}

.dt-buttons .btn:hover,
.dt-buttons .btn-default:hover,
div.dt-buttons > a.dt-button:hover {
    background: var(--oasc-primary-light) !important;
    border-color: var(--oasc-primary) !important;
    color: var(--oasc-primary) !important;
}

/* --- 10. Footer --- */
.footer {
    background-color: #ffffff !important;
    border-top: 1px solid var(--oasc-border) !important;
    padding: 0 24px !important;
    font-size: 0.8125rem !important;
    color: var(--oasc-muted) !important;
    height: 56px !important;
    display: flex !important;
    align-items: center !important;
    /* Skote positions footer absolutely — keep it pinned to the bottom of main-content */
    position: absolute !important;
    bottom: 0 !important;
    left: 0 !important;
    right: 0 !important;
    width: auto !important;
    z-index: 10 !important;
}

/* --- 11. Login Page --- */
.oasc-login-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: stretch;
    background: var(--oasc-page-bg);
}

.oasc-login-brand {
    background: linear-gradient(160deg, #1e1b4b 0%, #312e81 60%, #6366f1 100%);
    color: white;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 48px 40px;
    text-align: center;
    flex: 0 0 42%;
}

.oasc-login-brand img {
    width: 120px;
    height: auto;
    margin-bottom: 24px;
    filter: drop-shadow(0 4px 16px rgba(0,0,0,.3));
}

.oasc-login-brand h2 {
    color: #ffffff !important;
    font-size: 1.5rem !important;
    font-weight: 700 !important;
    margin-bottom: 8px !important;
    letter-spacing: -0.02em;
}

.oasc-login-brand p {
    color: rgba(255,255,255,.65);
    font-size: 0.9rem;
    line-height: 1.6;
    max-width: 260px;
}

.oasc-login-brand .brand-features {
    list-style: none;
    padding: 0;
    margin: 32px 0 0;
    text-align: left;
    width: 100%;
    max-width: 280px;
}

.oasc-login-brand .brand-features li {
    display: flex;
    align-items: center;
    gap: 10px;
    color: rgba(255,255,255,.8);
    font-size: 0.875rem;
    padding: 8px 0;
    border-bottom: 1px solid rgba(255,255,255,.1);
}

.oasc-login-brand .brand-features li:last-child {
    border-bottom: none;
}

.oasc-login-brand .brand-features li i {
    color: #a855f7;
    width: 18px;
    text-align: center;
}

.oasc-login-form-side {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 32px;
    background: #ffffff;
}

.oasc-login-form-box {
    width: 100%;
    max-width: 400px;
}

.oasc-login-form-box h4 {
    font-size: 1.5rem !important;
    font-weight: 700 !important;
    color: var(--oasc-text) !important;
    margin-bottom: 4px !important;
}

.oasc-login-form-box .login-subtitle {
    font-size: 0.875rem;
    color: var(--oasc-muted);
    margin-bottom: 32px;
}

.oasc-login-form-box .custom-control-label {
    font-size: 0.875rem;
    color: var(--oasc-muted);
    cursor: pointer;
}

.oasc-login-form-box .text-muted {
    color: var(--oasc-muted) !important;
    font-size: 0.875rem !important;
    text-decoration: none !important;
    transition: color .12s ease !important;
}

.oasc-login-form-box .text-muted:hover {
    color: var(--oasc-primary) !important;
}

.oasc-login-divider {
    text-align: center;
    position: relative;
    margin: 24px 0;
    color: var(--oasc-muted);
    font-size: 0.8125rem;
}

.oasc-login-divider::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--oasc-border);
}

.oasc-login-divider span {
    position: relative;
    background: white;
    padding: 0 12px;
}

/* Login responsive */
@media (max-width: 768px) {
    .oasc-login-brand { display: none !important; }
    .oasc-login-form-side { padding: 40px 20px; background: var(--oasc-page-bg); }
    .oasc-login-form-box { padding: 28px; background: white; border-radius: var(--oasc-radius); box-shadow: var(--oasc-shadow); }
}

/* --- 12. Payment Form Improvements --- */
.oasc-form-card {
    background: #ffffff;
    border: 1px solid var(--oasc-border);
    border-radius: var(--oasc-radius);
    box-shadow: var(--oasc-shadow);
    overflow: hidden;
    margin-bottom: 24px;
}

.oasc-form-card-header {
    background: linear-gradient(135deg, var(--oasc-primary) 0%, #a855f7 100%);
    padding: 20px 24px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.oasc-form-card-header h5 {
    color: #ffffff !important;
    font-size: 1rem !important;
    font-weight: 600 !important;
    margin: 0 !important;
}

.oasc-form-card-header i {
    color: rgba(255,255,255,.85);
    font-size: 1.1rem;
}

.oasc-form-card-body {
    padding: 28px 24px;
}

/* Step indicator */
.oasc-steps {
    display: flex;
    align-items: center;
    gap: 0;
    margin-bottom: 32px;
    background: #f8fafc;
    border-radius: 100px;
    padding: 6px;
    border: 1px solid var(--oasc-border);
}

.oasc-step {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 16px;
    border-radius: 100px;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--oasc-muted);
    transition: all .2s ease;
    cursor: default;
}

.oasc-step.active {
    background: var(--oasc-primary);
    color: white;
    box-shadow: 0 2px 8px rgba(99, 102, 241, 0.3);
    font-weight: 600;
}

.oasc-step.completed {
    color: var(--oasc-success);
    font-weight: 600;
}

.oasc-step-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: var(--oasc-border);
    color: var(--oasc-muted);
    font-size: 0.75rem;
    font-weight: 700;
    flex-shrink: 0;
    transition: all .2s ease;
}

.oasc-step.active .oasc-step-num {
    background: rgba(255,255,255,.3);
    color: white;
}

.oasc-step.completed .oasc-step-num {
    background: var(--oasc-success);
    color: white;
}

/* Fee notice */
.oasc-fee-notice {
    background: #fff7ed;
    border: 1px solid #fed7aa;
    border-radius: var(--oasc-radius-sm);
    padding: 12px 16px;
    font-size: 0.8125rem;
    color: #92400e;
    font-weight: 500;
    margin-top: 8px;
    display: flex;
    align-items: flex-start;
    gap: 8px;
}

.oasc-fee-notice i { color: #f59e0b; margin-top: 1px; flex-shrink: 0; }

.oasc-total-box {
    background: var(--oasc-primary-light);
    border: 1px solid #bfdbfe;
    border-radius: var(--oasc-radius-sm);
    padding: 14px 16px;
    margin-top: 12px;
    font-size: 1rem;
    font-weight: 700;
    color: var(--oasc-primary);
}

.oasc-amex-notice {
    background: #fef2f2;
    border: 1px solid #fecaca;
    border-radius: var(--oasc-radius-sm);
    padding: 10px 14px;
    font-size: 0.8125rem;
    color: #991b1b;
    font-weight: 500;
    margin-top: 8px;
    display: none;
}

/* --- 13. Alert / Badge polish --- */
.badge {
    border-radius: 100px !important;
    padding: 4px 10px !important;
    font-size: 0.75rem !important;
    font-weight: 600 !important;
}

.badge-success { background-color: #dcfce7 !important; color: #166534 !important; }
.badge-danger  { background-color: #fee2e2 !important; color: #991b1b !important; }
.badge-primary { background-color: var(--oasc-primary-light) !important; color: var(--oasc-primary) !important; }

/* --- 14. Page title / breadcrumb area --- */
.oasc-page-title {
    margin-bottom: 28px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--oasc-border);
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
}

.oasc-page-title h4 {
    font-size: 1.3rem !important;
    margin-bottom: 4px !important;
    letter-spacing: -0.02em !important;
}

.oasc-page-title p {
    font-size: 0.8125rem !important;
    color: var(--oasc-muted) !important;
    margin: 0 !important;
}

/* --- 15. Miscellaneous helpers --- */
.text-primary { color: var(--oasc-primary) !important; }
.bg-primary   { background-color: var(--oasc-primary) !important; }
.border-primary { border-color: var(--oasc-primary) !important; }

.shadow-sm { box-shadow: var(--oasc-shadow-sm) !important; }
.rounded-lg { border-radius: var(--oasc-radius) !important; }

/* Required star */
sup[style*="color: red"] { color: #ef4444 !important; }

/* Smooth transitions everywhere */
a, button, .btn, .form-control, .dropdown-item {
    transition: all .15s ease !important;
}

/* --- Collapse sidebar state --- */
/* Width & margins */
.vertical-collpsed .vertical-menu      { width: 70px !important; }
.vertical-collpsed .main-content       { margin-left: 70px !important; }
.vertical-collpsed .navbar-brand-box   { width: 70px !important; }
.vertical-collpsed .logo-lg            { display: none !important; }
.vertical-collpsed .menu-title         { display: none !important; }

/*
 * CRITICAL: Skote sets simplebar wrappers to overflow:visible for flyout
 * sub-menus — but this app has no sub-menus so we clip it to stop the
 * sidebar content from bleeding into the page content area.
 */
.vertical-collpsed .vertical-menu {
    overflow: hidden !important;
}
.vertical-collpsed .vertical-menu .simplebar-mask,
.vertical-collpsed .vertical-menu .simplebar-content-wrapper {
    overflow: hidden !important;
}

/*
 * Use Skote's own direct-child selector pattern (> ul > li > a) so our
 * rules have at least equal specificity and !important is the tie-breaker.
 */
.vertical-collpsed .vertical-menu #sidebar-menu > ul > li > a {
    display: flex !important;
    justify-content: center !important;
    align-items: center !important;
    padding: 0 !important;
    min-height: 52px !important;
    gap: 0 !important;
    border-right: none !important;
    width: 70px !important;
    /* disable Skote's hover-expand transition (no sub-menus) */
    transition: background-color var(--dur-fast, 120ms) var(--ease-out, ease) !important;
}

/* Hide text label in collapsed mode */
.vertical-collpsed .vertical-menu #sidebar-menu > ul > li > a span {
    display: none !important;
}

/* Disable Skote's hover-expand to 260px — keep icon rail at 70px */
.vertical-collpsed .vertical-menu #sidebar-menu > ul > li:hover > a {
    width: 70px !important;
    color: #ffffff !important;
    background-color: var(--oasc-sidebar-hover) !important;
}

/* Active link in collapsed mode */
.vertical-collpsed .vertical-menu #sidebar-menu > ul > li > a.active,
.vertical-collpsed .vertical-menu #sidebar-menu > ul > li.active > a {
    background-color: var(--oasc-primary) !important;
    color: #ffffff !important;
    border-right: none !important;
}

/* Icons: auto width so flex centering works */
.vertical-collpsed .vertical-menu #sidebar-menu > ul > li > a i,
.vertical-collpsed .vertical-menu #sidebar-menu > ul > li > a .fas,
.vertical-collpsed .vertical-menu #sidebar-menu > ul > li > a .far,
.vertical-collpsed .vertical-menu #sidebar-menu > ul > li > a .mdi {
    width: auto !important;
    font-size: 1.1rem !important;
    margin: 0 !important;
}

/* Scrollbar styling */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: #cbd5e1; border-radius: 100px; }
::-webkit-scrollbar-thumb:hover { background: #94a3b8; }

/* ============================================================
   MOTION DESIGN — Functional UX Layer
   Motion communicates state, hierarchy, and spatial context.
   Rules: ≤ 300ms · easing curves only · honors prefers-reduced-motion
   ============================================================ */

/* --- Easing & Duration Tokens --- */
:root {
    --ease-out:    cubic-bezier(0.16, 1, 0.3, 1);
    --ease-in:     cubic-bezier(0.5, 0, 0.75, 0);
    --ease-inout:  cubic-bezier(0.76, 0, 0.24, 1);
    --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
    --dur-fast:    120ms;
    --dur-base:    200ms;
    --dur-slow:    280ms;
}

/* --- 1. Page content entrance (fade-up on load) --- */
/* Communicates: page has loaded, content is ready */
@keyframes oasc-fade-up {
    from { opacity: 0; transform: translateY(10px); }
    to   { opacity: 1; transform: translateY(0); }
}

.page-content {
    animation: oasc-fade-up var(--dur-slow) var(--ease-out) both;
}

/* --- 2. Card staggered entrance --- */
/* Communicates: hierarchy and reading order */
@keyframes oasc-fade-in {
    from { opacity: 0; transform: translateY(6px); }
    to   { opacity: 1; transform: translateY(0); }
}

.card:nth-child(1) { animation: oasc-fade-in var(--dur-base) var(--ease-out) 0ms   both; }
.card:nth-child(2) { animation: oasc-fade-in var(--dur-base) var(--ease-out) 50ms  both; }
.card:nth-child(3) { animation: oasc-fade-in var(--dur-base) var(--ease-out) 100ms both; }
.card:nth-child(4) { animation: oasc-fade-in var(--dur-base) var(--ease-out) 150ms both; }
.card:nth-child(n+5) { animation: oasc-fade-in var(--dur-base) var(--ease-out) 180ms both; }

/* --- 3. Layout — smooth sidebar collapse/expand --- */
/* Communicates: spatial continuity, nothing disappears abruptly */
.vertical-menu {
    transition: width var(--dur-base) var(--ease-inout),
                transform var(--dur-base) var(--ease-inout) !important;
}

.navbar-brand-box {
    transition: width var(--dur-base) var(--ease-inout) !important;
}

.main-content {
    transition: margin-left var(--dur-base) var(--ease-inout) !important;
}

/* Sidebar text fade when collapsing — only opacity/visibility, not display */
#sidebar-menu ul li a span {
    transition: opacity var(--dur-fast) var(--ease-out) !important;
}

.menu-title {
    transition: opacity var(--dur-fast) var(--ease-out) !important;
}

/* opacity to 0 first; display:none is handled by the theme JS after animation */
body.vertical-collpsed #sidebar-menu ul li a span {
    opacity: 0 !important;
}

body.vertical-collpsed .menu-title {
    opacity: 0 !important;
}

/* --- 4. Sidebar nav — animated active left-border indicator --- */
/* Communicates: which item is selected, with spring snap */
#sidebar-menu ul li a {
    position: relative !important;
}

#sidebar-menu ul li a::before {
    content: '';
    position: absolute;
    left: 0;
    top: 6px;
    bottom: 6px;
    width: 3px;
    background: var(--oasc-sidebar-accent);
    border-radius: 0 3px 3px 0;
    transform: scaleY(0);
    transform-origin: center;
    transition: transform var(--dur-fast) var(--ease-spring);
}

#sidebar-menu ul li a.active::before,
#sidebar-menu ul li.active > a::before {
    transform: scaleY(1);
}

/* --- 5. Dropdown menu entrance --- */
/* Communicates: menu appeared from above, not from nowhere */
@keyframes oasc-dropdown-in {
    from { opacity: 0; transform: translateY(-6px) scale(0.97); }
    to   { opacity: 1; transform: translateY(0)   scale(1); }
}

.dropdown-menu.show {
    animation: oasc-dropdown-in var(--dur-fast) var(--ease-out) both;
    transform-origin: top center;
}

/* --- 6. Alert / notice slide-in --- */
/* Communicates: new information arrived from outside the current view */
@keyframes oasc-slide-in {
    from { opacity: 0; transform: translateX(14px); }
    to   { opacity: 1; transform: translateX(0); }
}

.alert {
    animation: oasc-slide-in var(--dur-base) var(--ease-out) both !important;
}

/* --- 7. Button loading state --- */
/* Communicates: action is in progress, prevents double-submit */
@keyframes oasc-spin {
    to { transform: rotate(360deg); }
}

.btn-loading {
    position: relative !important;
    color: transparent !important;
    pointer-events: none !important;
    cursor: not-allowed !important;
}

.btn-loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 15px;
    height: 15px;
    margin: -7.5px 0 0 -7.5px;
    border: 2px solid rgba(255,255,255,0.3);
    border-top-color: #ffffff;
    border-radius: 50%;
    animation: oasc-spin 600ms linear infinite;
}

/* --- 8. Skeleton loader --- */
/* Communicates: content is loading; shows shape before data arrives */
@keyframes oasc-shimmer {
    from { background-position: -600px 0; }
    to   { background-position:  600px 0; }
}

.skeleton {
    background: linear-gradient(
        90deg,
        #ececf4 25%,
        #e0e0ef 50%,
        #ececf4 75%
    ) !important;
    background-size: 1200px 100% !important;
    animation: oasc-shimmer 1.6s ease-in-out infinite !important;
    border-radius: var(--oasc-radius-sm) !important;
    color: transparent !important;
    user-select: none !important;
}

.skeleton * { visibility: hidden !important; }

/* Preset skeleton shapes */
.skeleton-line  { height: 14px; margin-bottom: 10px; border-radius: 4px; }
.skeleton-title { height: 20px; width: 55%; margin-bottom: 16px; border-radius: 4px; }
.skeleton-block { height: 80px; border-radius: var(--oasc-radius-sm); }

/* --- 9. Step indicator — active step pulse glow --- */
/* Communicates: this step requires attention right now */
@keyframes oasc-step-glow {
    0%, 100% { box-shadow: 0 2px 8px  rgba(99, 102, 241, 0.25); }
    50%       { box-shadow: 0 2px 20px rgba(99, 102, 241, 0.55),
                            0 0 0 4px rgba(99, 102, 241, 0.08); }
}

.oasc-step.active {
    animation: oasc-step-glow 2s var(--ease-inout) infinite !important;
}

/* --- 10. Fee/total boxes — smooth reveal --- */
/* Communicates: value changed in response to user input */
.oasc-fee-notice,
.oasc-total-box,
.oasc-amex-notice {
    transition: opacity var(--dur-base) var(--ease-out),
                transform var(--dur-base) var(--ease-out) !important;
}

/* --- 11. Table rows — fade in on load --- */
/* Communicates: data has been populated */
@keyframes oasc-row-in {
    from { opacity: 0; }
    to   { opacity: 1; }
}

.table tbody tr {
    animation: oasc-row-in var(--dur-fast) var(--ease-out) both !important;
}

/* --- 12. Form controls — upgraded focus transition --- */
/* Communicates: this field is active and ready for input */
.form-control {
    transition: border-color var(--dur-fast) var(--ease-out),
                box-shadow   var(--dur-fast) var(--ease-out) !important;
}

/* ─── prefers-reduced-motion: disable all animations ─── */
/* Respects vestibular disorders & user OS settings */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration:        0.01ms !important;
        animation-iteration-count: 1      !important;
        transition-duration:       0.01ms !important;
        scroll-behavior:           auto   !important;
    }
}

/* ============================================================
   MOBILE RESPONSIVE OVERRIDES
   ============================================================ */

/* Tablet + Mobile (< 992px): Remove sidebar push so content fills the screen */
@media (max-width: 991.98px) {
    .main-content {
        margin-left: 0 !important;
    }

    .footer {
        left: 0 !important;
    }

    /* Compact brand box — show small logo only */
    .navbar-brand-box {
        width: 70px !important;
    }

    .navbar-brand-box .logo-lg {
        display: none !important;
    }

    .navbar-brand-box .logo-sm {
        display: flex !important;
        align-items: center !important;
        justify-content: center !important;
    }
}

/* Mobile only (< 768px) */
@media (max-width: 767.98px) {
    /* Tighter page padding — remove the wide desktop gutters */
    .page-content {
        padding: calc(64px + 12px) 12px calc(56px + 16px) !important;
    }

    /* Cards — reduce internal padding */
    .card-body {
        padding: 16px !important;
    }

    /* Payment / form cards */
    .oasc-form-card-body {
        padding: 20px 14px;
    }

    /* Page title — stack actions on small screens */
    .oasc-page-title {
        flex-direction: column;
        align-items: flex-start;
        margin-bottom: 20px;
        padding-bottom: 14px;
    }

    /* Step indicator — shrink text so both steps fit side-by-side */
    .oasc-step {
        font-size: 0.72rem;
        padding: 8px 8px;
        gap: 4px;
    }

    .oasc-step-num {
        width: 20px;
        height: 20px;
        font-size: 0.68rem;
    }

    /* DataTables — search box full-width */
    .dataTables_wrapper .dataTables_filter input {
        width: 100% !important;
        box-sizing: border-box;
    }

    /* DataTables toolbar — stack length selector and search */
    .dataTables_wrapper > .row:first-child {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px !important;
    }

    /* DataTables bottom row — stack info and pagination */
    .dataTables_wrapper > .row:last-child {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px !important;
    }

    /* Export buttons — wrap onto next line */
    .dt-buttons {
        flex-wrap: wrap !important;
        margin-bottom: 8px !important;
    }

    /* Form rows — labels stack above inputs */
    .form-group.row .col-form-label {
        padding-bottom: 4px;
    }

    /* Already-enrolled button row — wrap on very small phones */
    .oasc-form-card-body .d-flex {
        flex-wrap: wrap;
    }

    /* Table header padding tighter on mobile */
    .table thead th {
        padding: 10px 12px !important;
        font-size: 0.68rem !important;
    }

    .table tbody td {
        padding: 10px 12px !important;
    }
}