/* ============================================================
   AETRAM BULLION ERP — Enterprise Design System Layer
   UI-only enhancements. Preserves all existing class names & IDs.
   ============================================================ */

/* ── Page entrance ─────────────────────────────────────── */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to   { opacity: 1; transform: translateY(0); }
}

.page-content > * {
    animation: fadeIn .3s ease both;
}

.page-content > *:nth-child(2) { animation-delay: .04s; }
.page-content > *:nth-child(3) { animation-delay: .08s; }
.page-content > *:nth-child(4) { animation-delay: .12s; }

/* ── Page structure ────────────────────────────────────── */
.page-content {
    max-width: 1600px;
    margin: 0 auto;
    width: 100%;
}

.page-header {
    padding-bottom: var(--space-2);
    border-bottom: 1px solid var(--border-color);
    margin-bottom: var(--space-3);
}

.page-subtitle {
    font-size: 14px;
    max-width: 640px;
}

/* Filter / search sections */
.filter-panel,
.card.filter-card {
    background: var(--glass-card-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-card-border);
    border-radius: var(--radius-md);
}

.filter-panel .card-body,
.filter-card .card-body {
    padding: var(--space-2) var(--space-3);
}

/* ── Glass cards (enhanced) ────────────────────────────── */
.premium-theme .card,
.premium-theme .stat-card,
.premium-theme .exec-kpi-card,
.premium-theme .widget-panel,
.premium-theme .form-section-card {
    background: var(--bg-card);
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    box-shadow: var(--shadow-md);
}

[data-theme="light"] .premium-theme .card,
[data-theme="light"] .premium-theme .stat-card,
[data-theme="light"] .premium-theme .exec-kpi-card {
    background: var(--bg-card);
    border-color: var(--border-color);
    box-shadow: var(--shadow-md);
}

[data-theme="dark"] .premium-theme .card,
[data-theme="dark"] .premium-theme .stat-card,
[data-theme="dark"] .premium-theme .exec-kpi-card {
    border-color: transparent;
    box-shadow: 0 4px 20px rgba(0,0,0,.35);
}

.premium-theme .card:hover,
.premium-theme .stat-card:hover,
.premium-theme .exec-kpi-card:hover {
    transform: translateY(-4px);
    border-color: rgba(255,191,0,.22);
    box-shadow: 0 12px 32px rgba(0,0,0,.3), 0 0 0 1px rgba(255,191,0,.08);
}

/* ── KPI / Dashboard ───────────────────────────────────── */
.exec-kpi-card::before {
    background: var(--gradient-gold);
    opacity: .85;
}

.exec-kpi-value,
.stat-value {
    font-variant-numeric: tabular-nums;
    letter-spacing: -.02em;
}

.stat-icon.gold,
.exec-kpi-icon {
    background: rgba(222,159,23,.14) !important;
    color: var(--accent-gold) !important;
}

.dashboard-live-bar::after {
    display: none;
}

.chart-card {
    min-height: 280px;
}

.chart-card .card-body canvas {
    max-height: 220px;
}

/* Quick action chips */
.quick-actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-1);
}

.quick-action-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    border-radius: var(--radius-sm);
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-size: 13px;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition-fast);
    min-height: 44px;
}

.quick-action-btn:hover {
    background: rgba(255,191,0,.1);
    border-color: rgba(255,191,0,.3);
    color: var(--accent-gold);
    transform: translateY(-2px);
    text-decoration: none;
}

/* ── Buttons (complete system) ─────────────────────────── */
.btn {
    min-height: 40px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    transition: var(--transition-fast);
}

.btn:focus-visible {
    outline: 2px solid var(--accent-gold);
    outline-offset: 2px;
}

.btn:disabled {
    opacity: .45;
    cursor: not-allowed;
    transform: none !important;
}

.btn-secondary,
.btn-dark {
    background: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover:not(:disabled),
.btn-dark:hover:not(:disabled) {
    background: #1a1a1a;
    border-color: rgba(255,191,0,.3);
    transform: translateY(-2px);
}

.btn-gold {
    background: var(--gradient-gold-btn) !important;
    color: #000000 !important;
    border: none !important;
    font-weight: 700;
    box-shadow: 0 2px 8px rgba(249,200,81,.25);
}

.btn-gold:hover:not(:disabled) {
    background: var(--gradient-gold-btn) !important;
    color: #000000 !important;
    box-shadow: 0 4px 16px rgba(249,200,81,.4);
    filter: brightness(1.06);
    transform: translateY(-2px);
}

.btn-success:hover:not(:disabled),
.btn-danger:hover:not(:disabled),
.btn-warning:hover:not(:disabled) {
    transform: translateY(-2px);
}

/* ── Forms ─────────────────────────────────────────────── */
.form-group {
    margin-bottom: var(--space-2);
}

.form-label {
    font-size: 13px;
    font-weight: 600;
    margin-bottom: var(--space-1);
    color: var(--text-secondary);
    letter-spacing: .01em;
}

.form-control,
.form-select {
    min-height: 44px;
    padding: 10px 14px;
    font-size: 14px;
    border-radius: var(--radius-sm);
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    transition: border-color .2s, box-shadow .2s;
}

.form-control::placeholder {
    color: var(--text-muted);
}

.form-control.is-invalid,
.form-control:invalid:not(:placeholder-shown):not(:focus) {
    border-color: var(--danger);
}

.form-error,
.text-danger.field-validation-error,
span[asp-validation-for] {
    display: block;
    font-size: 12px;
    color: var(--danger);
    margin-top: 6px;
    padding-left: 2px;
}

/* Floating label support (optional markup) */
.form-floating {
    position: relative;
    margin-bottom: var(--space-2);
}

.form-floating > .form-control,
.form-floating > .form-select {
    padding-top: 1.625rem;
    padding-bottom: .625rem;
}

.form-floating > label {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    padding: 1rem .875rem;
    pointer-events: none;
    border: 1px solid transparent;
    transform-origin: 0 0;
    transition: opacity .2s, transform .2s;
    color: var(--text-muted);
    font-size: 14px;
}

.form-floating > .form-control:focus ~ label,
.form-floating > .form-control:not(:placeholder-shown) ~ label,
.form-floating > .form-select ~ label {
    opacity: .85;
    transform: scale(.8) translateY(-.4rem) translateX(.15rem);
    color: var(--accent-gold);
}

.input-group .input-group-text {
    min-height: 44px;
    color: var(--accent-gold);
    background: var(--bg-primary);
    border-color: var(--border-color);
}

.form-section-header {
    background: rgba(255,191,0,.06);
    border-bottom: 1px solid var(--border-color);
}

.form-progress-fill {
    background: var(--gradient-gold);
}

/* ── Tables & DataTables ───────────────────────────────── */
.table-container {
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    -webkit-overflow-scrolling: touch;
}

.data-table tbody td {
    padding: 14px 16px;
    font-size: 14px;
}

.data-table tbody tr {
    transition: background .2s;
}

.data-table tbody tr:hover {
    background: rgba(255,191,0,.06) !important;
}

/* DataTables wrapper */
.dataTables_wrapper {
    font-size: 14px;
    color: var(--text-primary);
}

.dataTables_wrapper .dataTables_filter,
.dataTables_wrapper .dataTables_length {
    margin-bottom: var(--space-2);
}

.dataTables_wrapper .dataTables_filter input,
.dataTables_wrapper .dataTables_length select {
    min-height: 40px;
    padding: 8px 12px;
    background: var(--bg-secondary) !important;
    border: 1px solid var(--border-color) !important;
    color: var(--text-primary) !important;
    border-radius: var(--radius-sm) !important;
    margin-left: 8px;
}

.dataTables_wrapper .dataTables_filter input:focus {
    border-color: var(--accent-gold) !important;
    box-shadow: 0 0 0 4px rgba(255,191,0,.15);
    outline: none;
}

.dataTables_wrapper .dataTables_info {
    color: var(--text-muted);
    font-size: 13px;
    padding-top: var(--space-2);
}

.dataTables_wrapper .dataTables_paginate {
    padding-top: var(--space-2);
}

.dataTables_wrapper .dataTables_paginate .paginate_button {
    min-width: 36px;
    min-height: 36px;
    padding: 6px 12px !important;
    margin: 0 2px !important;
    border-radius: var(--radius-sm) !important;
    border: 1px solid var(--border-color) !important;
    background: var(--bg-secondary) !important;
    color: var(--text-secondary) !important;
    transition: var(--transition-fast);
}

.dataTables_wrapper .dataTables_paginate .paginate_button:hover:not(.disabled) {
    background: rgba(255,191,0,.12) !important;
    border-color: rgba(255,191,0,.3) !important;
    color: var(--accent-gold) !important;
}

.dataTables_wrapper .dataTables_paginate .paginate_button.current {
    background: var(--gradient-gold) !important;
    border-color: var(--primary-gold) !important;
    color: #0b0b0b !important;
    font-weight: 700;
}

.dataTables_wrapper .dataTables_paginate .paginate_button.disabled {
    opacity: .35;
}

table.dataTable thead th {
    background: #111 !important;
    color: var(--accent-gold) !important;
    border-bottom: 1px solid var(--border-color) !important;
}

table.dataTable tbody tr:nth-child(even) {
    background: rgba(255,255,255,.02);
}

.table-toolbar {
    position: sticky;
    top: 0;
    z-index: 3;
    background: var(--bg-header);
    backdrop-filter: blur(8px);
}

/* Responsive table scroll hint */
.table-container::after {
    content: '';
    display: block;
    height: 0;
}

@media (max-width: 768px) {
    .dataTables_wrapper .dataTables_filter,
    .dataTables_wrapper .dataTables_length {
        text-align: left;
        width: 100%;
    }

    .dataTables_wrapper .dataTables_filter input {
        width: 100%;
        margin-left: 0;
        margin-top: 8px;
    }
}

/* ── Navigation enhancements ───────────────────────────── */
.top-header {
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    background: color-mix(in srgb, var(--bg-header) 88%, transparent);
}

.header-breadcrumb a:hover {
    color: var(--accent-gold) !important;
}

.header-btn,
.header-toggle {
    min-width: 44px;
    min-height: 44px;
    border-radius: var(--radius-sm);
}

.header-btn:hover,
.header-toggle:hover {
    background: rgba(255,191,0,.1);
    color: var(--accent-gold);
}

.header-btn:focus-visible,
.header-toggle:focus-visible {
    outline: 2px solid var(--accent-gold);
    outline-offset: 2px;
}

.tab-btn.active {
    color: var(--accent-gold) !important;
    border-bottom-color: var(--accent-gold) !important;
    background: rgba(255,191,0,.06);
}

.tab-btn:focus-visible {
    outline: 2px solid var(--accent-gold);
    outline-offset: 2px;
}

/* Mobile sidebar overlay */
.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,.6);
    backdrop-filter: blur(4px);
    z-index: 999;
    opacity: 0;
    transition: opacity .25s;
}

.sidebar-overlay.show {
    display: block;
    opacity: 1;
}

@media (max-width: 1024px) {
    .sidebar.mobile-open {
        transform: translateX(0);
        box-shadow: 8px 0 32px rgba(0,0,0,.5);
    }
}

/* ── Modals (custom + Bootstrap + SweetAlert) ──────────── */
.modal-overlay .modal-header {
    background: rgba(255,191,0,.04);
}

.modal-footer {
    background: var(--bg-primary);
    gap: var(--space-1);
}

.modal-content {
    background: var(--bg-card);
    border: 1px solid var(--glass-card-border);
    border-radius: var(--radius-lg);
    box-shadow: 0 24px 48px rgba(0,0,0,.45);
}

.modal-backdrop.show {
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    opacity: .75 !important;
}

div:where(.swal2-container) {
    backdrop-filter: blur(8px);
}

div:where(.swal2-popup) {
    border: 1px solid var(--glass-card-border) !important;
    border-radius: var(--radius-lg) !important;
    box-shadow: 0 24px 48px rgba(0,0,0,.45) !important;
}

/* ── Empty states ──────────────────────────────────────── */
.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: var(--space-6) var(--space-3);
    min-height: 240px;
}

.empty-state-icon {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    color: var(--accent-gold);
    background: rgba(255,191,0,.1);
    border: 1px solid rgba(255,191,0,.2);
    margin-bottom: var(--space-2);
    box-shadow: 0 8px 24px rgba(0,0,0,.2);
}

.empty-state-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 8px;
}

.empty-state-desc {
    font-size: 14px;
    color: var(--text-muted);
    max-width: 360px;
    margin: 0 0 var(--space-3);
    line-height: 1.6;
}

/* Auto-enhance common empty table cells */
td.text-center.text-muted:only-child,
.data-table tbody td[colspan] {
    padding: var(--space-4) !important;
}

/* ── Loading & skeleton ────────────────────────────────── */
@keyframes shimmer {
    0%   { background-position: -400px 0; }
    100% { background-position: 400px 0; }
}

.skeleton {
    background: linear-gradient(90deg,
        var(--bg-secondary) 0%,
        rgba(255,255,255,.06) 50%,
        var(--bg-secondary) 100%);
    background-size: 800px 100%;
    animation: shimmer 1.4s ease-in-out infinite;
    border-radius: var(--radius-sm);
}

.skeleton-text {
    height: 14px;
    margin-bottom: 8px;
}

.skeleton-text.short { width: 60%; }
.skeleton-text.medium { width: 80%; }
.skeleton-title { height: 24px; width: 40%; margin-bottom: 16px; }
.skeleton-card { height: 120px; border-radius: var(--radius-md); }

.loading-overlay {
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}

.spinner {
    border-top-color: var(--accent-gold);
    width: 44px;
    height: 44px;
}

/* ── Badges ────────────────────────────────────────────── */
.badge {
    font-size: 11px;
    padding: 4px 10px;
    letter-spacing: .02em;
}

.badge-gold,
.badge-pending {
    background: rgba(255,191,0,.15);
    color: var(--accent-gold);
}

.badge-approved,
.badge-completed {
    background: rgba(34,197,94,.15);
    color: var(--success);
}

.badge-rejected,
.badge-blocked,
.badge-critical {
    background: rgba(239,68,68,.15);
    color: var(--danger);
}

/* ── Alerts ────────────────────────────────────────────── */
.alert {
    border-radius: var(--radius-sm);
    font-size: 14px;
    padding: var(--space-2);
}

/* ── Dropdown menus ────────────────────────────────────── */
.dropdown-menu {
    border-radius: var(--radius-md);
    padding: var(--space-1);
    box-shadow: 0 12px 32px rgba(0,0,0,.35);
}

.dropdown-item {
    border-radius: 6px;
    padding: 10px 14px;
    font-size: 14px;
    min-height: 44px;
    display: flex;
    align-items: center;
    transition: background .2s;
}

.dropdown-item:hover,
.dropdown-item:focus {
    background: rgba(255,191,0,.1);
    color: var(--text-primary);
}

.dropdown-item:focus-visible {
    outline: 2px solid var(--accent-gold);
    outline-offset: -2px;
}

/* ── Workflow timeline ─────────────────────────────────── */
.workflow-step.active .workflow-dot {
    border-color: var(--accent-gold);
    background: rgba(255,191,0,.15);
    color: var(--accent-gold);
    box-shadow: 0 0 12px rgba(255,191,0,.25);
}

/* ── Auth pages ──────────────────────────────────────── */
.auth-glass-card {
    border-radius: 16px;
    animation: fadeIn .4s ease;
}

.auth-glass-card .btn-primary {
    min-height: 48px;
    font-size: 15px;
    letter-spacing: .02em;
}

.auth-security-badge {
    color: var(--accent-gold);
    background: rgba(255,191,0,.08);
    border-color: rgba(255,191,0,.25);
}

/* ── Accessibility ─────────────────────────────────────── */
:focus-visible {
    outline: 2px solid var(--accent-gold);
    outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    .page-content > * { animation: none; }
}

/* ── Responsive grid utilities ─────────────────────────── */
@media (max-width: 1440px) {
    .page-content { padding: var(--space-3); }
}

@media (max-width: 1024px) {
    .page-title { font-size: 24px; }
    .page-header { flex-direction: column; align-items: stretch; }
    .page-actions { width: 100%; justify-content: flex-start; }
}

@media (max-width: 768px) {
    .page-content { padding: var(--space-2); }
    .page-title { font-size: 22px; }
    .card-body { padding: var(--space-2); }
    .card-header { padding: var(--space-2); flex-wrap: wrap; }
    .stat-value { font-size: 22px; }
    .exec-kpi-value { font-size: 18px; }
    .user-info { display: none !important; }
    .header-breadcrumb { font-size: 12px; }
}

@media (max-width: 480px) {
    .page-actions .btn { flex: 1; justify-content: center; }
    .top-header { padding: 0 var(--space-2); gap: var(--space-1); }
}

/* ── Toastr premium ────────────────────────────────────── */
#toast-container > .toast {
    border-radius: var(--radius-sm);
    box-shadow: 0 8px 24px rgba(0,0,0,.35);
    backdrop-filter: blur(8px);
}

#toast-container > .toast-success { background-color: #121212; border-left: 4px solid var(--success); }
#toast-container > .toast-error   { background-color: #121212; border-left: 4px solid var(--danger); }
#toast-container > .toast-warning { background-color: #121212; border-left: 4px solid var(--warning); }
#toast-container > .toast-info    { background-color: #121212; border-left: 4px solid var(--accent-gold); }

/* ── Row spacing consistency ───────────────────────────── */
.row.g-3 { --bs-gutter-x: var(--space-2); --bs-gutter-y: var(--space-2); }
.row.g-4 { --bs-gutter-x: var(--space-3); --bs-gutter-y: var(--space-3); }