/* ============================================
   BULUT PORTAL — Design System
   Modern B2B Technology Portal
   ============================================ */

/* ---------- CSS Variables ---------- */
:root {
    /* Brand */
    --primary: #4f6ef7;
    --primary-hover: #3b5de7;
    --primary-light: #eef2ff;
    --primary-dark: #1a1f36;

    /* Neutrals */
    --gray-50: #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-400: #94a3b8;
    --gray-500: #64748b;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1e293b;
    --gray-900: #0f172a;

    /* Status */
    --success: #10b981;
    --success-light: #ecfdf5;
    --warning: #f59e0b;
    --warning-light: #fffbeb;
    --danger: #ef4444;
    --danger-light: #fef2f2;
    --info: #3b82f6;
    --info-light: #eff6ff;

    /* Layout */
    --sidebar-width: 260px;
    --topbar-height: 64px;
    --radius-sm: 6px;
    --radius: 10px;
    --radius-lg: 14px;
    --radius-xl: 18px;
    --shadow-sm: 0 1px 3px rgba(0,0,0,.06);
    --shadow: 0 2px 8px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);
    --shadow-md: 0 4px 16px rgba(0,0,0,.08), 0 2px 4px rgba(0,0,0,.04);
    --shadow-lg: 0 8px 30px rgba(0,0,0,.1), 0 4px 8px rgba(0,0,0,.04);
    --transition: all .2s ease;
}

/* ---------- Base ---------- */
*, *::before, *::after { box-sizing: border-box; }

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    color: var(--gray-800);
    background: var(--gray-50);
    font-size: 14.5px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ---------- Typography ---------- */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    color: var(--gray-900);
    letter-spacing: -.02em;
    line-height: 1.3;
}
h1 { font-size: 1.75rem; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.25rem; }
h4 { font-size: 1.1rem; }
p { color: var(--gray-600); }
a { color: var(--primary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--primary-hover); }

/* ============================================
   AUTH LAYOUT
   ============================================ */
.auth-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #1a1f36 100%);
    padding: 24px;
    position: relative;
    overflow: hidden;
}
.auth-wrapper::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(ellipse at 30% 20%, rgba(79,110,247,.12) 0%, transparent 50%),
                radial-gradient(ellipse at 70% 80%, rgba(59,93,231,.08) 0%, transparent 50%);
    animation: authBgShift 20s ease-in-out infinite;
}
@keyframes authBgShift {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(-3%, -2%); }
}
.auth-card {
    width: 100%;
    max-width: 440px;
    background: #fff;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg), 0 0 0 1px rgba(255,255,255,.05);
    padding: 44px 40px;
    position: relative;
    z-index: 1;
}
.auth-card.auth-card--wide {
    max-width: 500px;
}
.auth-logo {
    text-align: center;
    margin-bottom: 32px;
}
.auth-logo h1 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gray-900);
    margin: 0;
    letter-spacing: -.03em;
}
.auth-logo span {
    color: var(--primary);
}
.auth-logo p {
    color: var(--gray-400);
    font-size: 13.5px;
    margin: 6px 0 0;
}
.auth-card h2 {
    font-size: 1.35rem;
    margin: 0 0 6px;
    text-align: center;
}
.auth-card .auth-subtitle {
    text-align: center;
    color: var(--gray-400);
    font-size: 13.5px;
    margin: 0 0 28px;
}

/* ---------- Forms ---------- */
.form-group {
    margin-bottom: 20px;
}
.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    color: var(--gray-700);
    margin-bottom: 6px;
    letter-spacing: .01em;
}
.form-control {
    width: 100%;
    padding: 11px 14px;
    border: 1.5px solid var(--gray-200);
    border-radius: var(--radius);
    font-size: 14px;
    color: var(--gray-800);
    background: var(--gray-50);
    transition: var(--transition);
    font-family: inherit;
}
.form-control:focus {
    outline: none;
    border-color: var(--primary);
    background: #fff;
    box-shadow: 0 0 0 3px rgba(79,110,247,.12);
}
.form-control::placeholder {
    color: var(--gray-400);
}
.form-control.is-invalid {
    border-color: var(--danger);
}
.form-control.is-invalid:focus {
    box-shadow: 0 0 0 3px rgba(239,68,68,.1);
}
.invalid-feedback {
    font-size: 12.5px;
    color: var(--danger);
    margin-top: 5px;
}
textarea.form-control {
    resize: vertical;
    min-height: 80px;
}
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

/* Password toggle */
.input-password-wrap {
    position: relative;
}
.input-password-wrap .form-control {
    padding-right: 44px;
}
.input-password-wrap .toggle-password {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--gray-400);
    cursor: pointer;
    padding: 2px;
    transition: var(--transition);
}
.input-password-wrap .toggle-password:hover {
    color: var(--gray-600);
}

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 11px 22px;
    border: none;
    border-radius: var(--radius);
    font-size: 14px;
    font-weight: 550;
    font-family: inherit;
    cursor: pointer;
    transition: var(--transition);
    letter-spacing: .01em;
    text-decoration: none;
    line-height: 1.4;
}
.btn:disabled {
    opacity: .55;
    cursor: not-allowed;
}
.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-hover) 100%);
    color: #fff;
    box-shadow: 0 2px 6px rgba(79,110,247,.25);
}
.btn-primary:hover:not(:disabled) {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(79,110,247,.35);
    color: #fff;
}
.btn-primary:active { transform: translateY(0); }
.btn-block {
    display: flex;
    width: 100%;
}
.btn-sm {
    padding: 7px 14px;
    font-size: 13px;
    border-radius: var(--radius-sm);
}
.btn-outline {
    background: #fff;
    border: 1.5px solid var(--gray-200);
    color: var(--gray-700);
}
.btn-outline:hover:not(:disabled) {
    border-color: var(--gray-300);
    background: var(--gray-50);
    color: var(--gray-800);
}
.btn-success {
    background: linear-gradient(135deg, var(--success) 0%, #059669 100%);
    color: #fff;
}
.btn-success:hover:not(:disabled) {
    transform: translateY(-1px);
    color: #fff;
}
.btn-danger {
    background: var(--danger);
    color: #fff;
}
.btn-danger:hover:not(:disabled) {
    background: #dc2626;
    color: #fff;
}
.btn-ghost {
    background: transparent;
    color: var(--gray-500);
    padding: 8px 12px;
}
.btn-ghost:hover { color: var(--gray-800); background: var(--gray-100); }

.btn-icon {
    width: 36px;
    height: 36px;
    padding: 0;
    border-radius: var(--radius);
}

/* ---------- Alerts ---------- */
.alert {
    padding: 13px 16px;
    border-radius: var(--radius);
    font-size: 13.5px;
    font-weight: 450;
    margin-bottom: 20px;
    display: flex;
    align-items: flex-start;
    gap: 10px;
    line-height: 1.5;
}
.alert-success {
    background: var(--success-light);
    color: #065f46;
    border: 1px solid #a7f3d0;
}
.alert-danger {
    background: var(--danger-light);
    color: #991b1b;
    border: 1px solid #fecaca;
}
.alert-warning {
    background: var(--warning-light);
    color: #92400e;
    border: 1px solid #fde68a;
}
.alert-info {
    background: var(--info-light);
    color: #1e40af;
    border: 1px solid #bfdbfe;
}

/* Auth links */
.auth-links {
    text-align: center;
    margin-top: 24px;
    font-size: 13.5px;
    color: var(--gray-400);
}
.auth-links a {
    color: var(--primary);
    font-weight: 500;
}
.auth-links a:hover {
    text-decoration: underline;
}
.auth-divider {
    display: flex;
    align-items: center;
    margin: 20px 0;
    color: var(--gray-300);
    font-size: 12.5px;
}
.auth-divider::before, .auth-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--gray-200);
}
.auth-divider span {
    padding: 0 14px;
    color: var(--gray-400);
}

/* ============================================
   PORTAL LAYOUT
   ============================================ */

/* ---------- Sidebar ---------- */
.portal-layout {
    display: flex;
    min-height: 100vh;
}
.sidebar {
    width: var(--sidebar-width);
    background: var(--primary-dark);
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 100;
    display: flex;
    flex-direction: column;
    transition: transform .3s ease;
}
.sidebar-brand {
    padding: 22px 24px;
    border-bottom: 1px solid rgba(255,255,255,.08);
}
.sidebar-brand h1 {
    font-size: 1.15rem;
    font-weight: 700;
    color: #fff;
    margin: 0;
    letter-spacing: -.02em;
}
.sidebar-brand h1 span { color: var(--primary); }
.sidebar-brand p {
    font-size: 11.5px;
    color: rgba(255,255,255,.35);
    margin: 4px 0 0;
    text-transform: uppercase;
    letter-spacing: .08em;
    font-weight: 500;
}

.sidebar-nav {
    flex: 1;
    padding: 16px 12px;
    overflow-y: auto;
}
.sidebar-nav-label {
    font-size: 10.5px;
    font-weight: 600;
    color: rgba(255,255,255,.3);
    text-transform: uppercase;
    letter-spacing: .1em;
    padding: 12px 14px 8px;
}
.sidebar-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 14px;
    border-radius: var(--radius);
    color: rgba(255,255,255,.55);
    font-size: 13.5px;
    font-weight: 450;
    transition: var(--transition);
    margin-bottom: 2px;
    text-decoration: none;
}
.sidebar-link:hover {
    background: rgba(255,255,255,.07);
    color: rgba(255,255,255,.9);
}
.sidebar-link.active {
    background: rgba(79,110,247,.2);
    color: #fff;
}
.sidebar-link svg {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
    opacity: .7;
}
.sidebar-link.active svg { opacity: 1; }

.sidebar-footer {
    padding: 16px 12px;
    border-top: 1px solid rgba(255,255,255,.08);
}

/* ---------- Topbar ---------- */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}
.topbar {
    height: var(--topbar-height);
    background: #fff;
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 28px;
    position: sticky;
    top: 0;
    z-index: 90;
    box-shadow: 0 1px 3px rgba(0,0,0,.03);
}
.topbar-left {
    display: flex;
    align-items: center;
    gap: 16px;
}
.topbar-title {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--gray-900);
}
.topbar-right {
    display: flex;
    align-items: center;
    gap: 16px;
}
.topbar-user {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 6px 12px;
    border-radius: var(--radius);
    cursor: pointer;
    transition: var(--transition);
}
.topbar-user:hover {
    background: var(--gray-50);
}
.topbar-avatar {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-hover) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 13px;
    font-weight: 600;
}
.topbar-user-info {
    line-height: 1.3;
}
.topbar-user-name {
    font-size: 13.5px;
    font-weight: 550;
    color: var(--gray-800);
}
.topbar-user-company {
    font-size: 11.5px;
    color: var(--gray-400);
}

.mobile-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--gray-600);
    cursor: pointer;
    padding: 8px;
}

/* ---------- Page Content ---------- */
.page-content {
    flex: 1;
    padding: 28px;
}
.page-header {
    margin-bottom: 24px;
}
.page-header h2 {
    font-size: 1.45rem;
    margin: 0 0 4px;
}
.page-header p {
    font-size: 13.5px;
    color: var(--gray-400);
    margin: 0;
}
.page-header-actions {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
}

/* ---------- Cards ---------- */
.card {
    background: #fff;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}
.card-header {
    padding: 18px 22px;
    border-bottom: 1px solid var(--gray-100);
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.card-header h3 {
    font-size: 1rem;
    margin: 0;
}
.card-body {
    padding: 22px;
}
.card-footer {
    padding: 14px 22px;
    border-top: 1px solid var(--gray-100);
    background: var(--gray-50);
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}

/* Stat Cards */
.stat-card {
    padding: 22px;
    background: #fff;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}
.stat-card-icon {
    width: 42px;
    height: 42px;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 14px;
}
.stat-card-icon.blue { background: var(--primary-light); color: var(--primary); }
.stat-card-icon.green { background: var(--success-light); color: var(--success); }
.stat-card-icon.amber { background: var(--warning-light); color: var(--warning); }
.stat-card-icon.red { background: var(--danger-light); color: var(--danger); }
.stat-card-value {
    font-size: 1.65rem;
    font-weight: 700;
    color: var(--gray-900);
    letter-spacing: -.03em;
    line-height: 1;
    margin-bottom: 4px;
}
.stat-card-label {
    font-size: 12.5px;
    color: var(--gray-400);
    font-weight: 500;
}

/* ---------- Tables ---------- */
.table-wrapper {
    overflow-x: auto;
    border-radius: var(--radius-lg);
    border: 1px solid var(--gray-200);
    background: #fff;
    box-shadow: var(--shadow-sm);
}
.table-toolbar {
    padding: 16px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    border-bottom: 1px solid var(--gray-100);
    flex-wrap: wrap;
}
.table-search {
    position: relative;
    width: 280px;
}
.table-search input {
    width: 100%;
    padding: 9px 14px 9px 38px;
    border: 1.5px solid var(--gray-200);
    border-radius: var(--radius);
    font-size: 13px;
    background: var(--gray-50);
    transition: var(--transition);
    font-family: inherit;
}
.table-search input:focus {
    outline: none;
    border-color: var(--primary);
    background: #fff;
    box-shadow: 0 0 0 3px rgba(79,110,247,.1);
}
.table-search svg {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    width: 16px;
    height: 16px;
    color: var(--gray-400);
}
.table {
    width: 100%;
    border-collapse: collapse;
}
.table th {
    padding: 12px 18px;
    text-align: left;
    font-size: 11.5px;
    font-weight: 600;
    color: var(--gray-400);
    text-transform: uppercase;
    letter-spacing: .06em;
    background: var(--gray-50);
    border-bottom: 1px solid var(--gray-200);
    white-space: nowrap;
}
.table td {
    padding: 14px 18px;
    border-bottom: 1px solid var(--gray-100);
    font-size: 13.5px;
    color: var(--gray-700);
    vertical-align: middle;
}
.table tbody tr {
    transition: var(--transition);
}
.table tbody tr:hover {
    background: var(--gray-50);
}
.table tbody tr:last-child td {
    border-bottom: none;
}
.table .row-link {
    cursor: pointer;
}
.table .row-link:hover {
    background: var(--primary-light);
}
.table .text-mono {
    font-family: 'JetBrains Mono', 'Fira Code', monospace;
    font-size: 12.5px;
}

/* ---------- Badges ---------- */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 10px;
    border-radius: 6px;
    font-size: 11.5px;
    font-weight: 550;
    letter-spacing: .02em;
    white-space: nowrap;
}
.badge-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    margin-right: 6px;
    flex-shrink: 0;
}
.badge-success { background: var(--success-light); color: #065f46; }
.badge-success .badge-dot { background: var(--success); }
.badge-warning { background: var(--warning-light); color: #92400e; }
.badge-warning .badge-dot { background: var(--warning); }
.badge-danger { background: var(--danger-light); color: #991b1b; }
.badge-danger .badge-dot { background: var(--danger); }
.badge-info { background: var(--info-light); color: #1e40af; }
.badge-info .badge-dot { background: var(--info); }
.badge-gray { background: var(--gray-100); color: var(--gray-600); }
.badge-gray .badge-dot { background: var(--gray-400); }
.badge-primary { background: var(--primary-light); color: var(--primary-hover); }

/* Status pills (PO list) */
.po-status-pill {
    display: inline-flex;
    align-items: center;
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 11px;
    font-weight: 600;
    white-space: nowrap;
    line-height: 1.6;
    letter-spacing: .01em;
}

/* ---------- DataTables Override ---------- */
.dataTables_wrapper { font-family: inherit; }
.dt-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    gap: 16px;
    flex-wrap: wrap;
    border-bottom: 1px solid var(--gray-100);
}
.dt-toolbar-left { flex: 1; min-width: 200px; }
.dt-toolbar-right { flex-shrink: 0; }
.dt-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 20px;
    border-top: 1px solid var(--gray-100);
    flex-wrap: wrap;
    gap: 12px;
}
.dt-footer-left { font-size: 13px; color: var(--gray-500); }

/* Search input */
.dataTables_filter { display: flex; align-items: center; }
.dataTables_filter label { width: 100%; display: flex; align-items: center; }
.dataTables_filter input {
    width: 100%;
    max-width: 360px;
    padding: 9px 14px;
    border: 1.5px solid var(--gray-200);
    border-radius: var(--radius-md);
    font-size: 13.5px;
    font-family: inherit;
    color: var(--gray-800);
    background: #fff;
    transition: border-color .15s ease, box-shadow .15s ease;
    outline: none;
}
.dataTables_filter input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(79,110,247,.1);
}

/* Column filters */
.dt-column-filters th {
    padding: 6px 10px !important;
    background: var(--gray-50) !important;
    border-bottom: 1.5px solid var(--gray-200) !important;
}
.dt-multi-filter { position: relative; }
.dt-multi-toggle {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    width: 100%;
    padding: 5px 8px;
    border: 1.5px solid var(--gray-200);
    border-radius: var(--radius-md);
    font-size: 12px;
    font-family: inherit;
    color: var(--gray-500);
    background: #fff;
    cursor: pointer;
    outline: none;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.dt-multi-toggle:hover { border-color: var(--gray-300); }
.dt-multi-toggle.has-filter {
    border-color: var(--primary);
    color: var(--primary);
    background: var(--primary-light);
    font-weight: 600;
}
.dt-multi-toggle svg { flex-shrink: 0; margin-left: auto; }
.dt-multi-dropdown {
    display: none;
    position: absolute;
    top: calc(100% + 4px);
    left: 0;
    min-width: 180px;
    max-height: 240px;
    overflow-y: auto;
    background: #fff;
    border: 1.5px solid var(--gray-200);
    border-radius: var(--radius-md);
    box-shadow: 0 8px 24px rgba(0,0,0,.1);
    z-index: 100;
    padding: 6px 0;
}
.dt-multi-dropdown.open { display: block; }
.dt-multi-option {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 12px;
    font-size: 12.5px;
    color: var(--gray-700);
    cursor: pointer;
    white-space: nowrap;
    transition: background .1s;
}
.dt-multi-option:hover { background: var(--gray-50); }
.dt-multi-option input[type=checkbox] {
    width: 15px;
    height: 15px;
    accent-color: var(--primary);
    cursor: pointer;
    flex-shrink: 0;
}
.dt-multi-clear {
    display: block;
    width: calc(100% - 16px);
    margin: 4px 8px 2px;
    padding: 5px 0;
    border: none;
    border-top: 1px solid var(--gray-100);
    background: none;
    color: var(--gray-500);
    font-size: 11.5px;
    font-family: inherit;
    cursor: pointer;
    text-align: center;
}
.dt-multi-clear:hover { color: var(--danger); }

/* Length select */
.dataTables_length { display: flex; align-items: center; gap: 6px; font-size: 13px; color: var(--gray-500); }
.dataTables_length select {
    padding: 6px 10px;
    border: 1.5px solid var(--gray-200);
    border-radius: var(--radius-md);
    font-size: 13px;
    font-family: inherit;
    color: var(--gray-700);
    background: #fff;
    cursor: pointer;
    outline: none;
}
.dataTables_length select:focus {
    border-color: var(--primary);
}

/* Pagination */
.dataTables_paginate { display: flex; align-items: center; gap: 2px; }
.dataTables_paginate .paginate_button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 34px;
    height: 34px;
    padding: 0 8px;
    border-radius: var(--radius-md) !important;
    font-size: 13px;
    font-weight: 550;
    color: var(--gray-600) !important;
    border: 1.5px solid transparent !important;
    cursor: pointer;
    background: none !important;
    transition: all .15s ease;
}
.dataTables_paginate .paginate_button:hover {
    background: var(--gray-50) !important;
    border-color: var(--gray-200) !important;
    color: var(--gray-800) !important;
}
.dataTables_paginate .paginate_button.current {
    background: var(--primary) !important;
    border-color: var(--primary) !important;
    color: #fff !important;
}
.dataTables_paginate .paginate_button.disabled {
    color: var(--gray-300) !important;
    cursor: default;
}
.dataTables_paginate .paginate_button.disabled:hover {
    background: none !important;
    border-color: transparent !important;
}

/* Table sort icons */
table.dataTable thead th {
    position: relative;
    cursor: pointer;
    padding-right: 26px !important;
}
table.dataTable thead th.sorting::after,
table.dataTable thead th.sorting_asc::after,
table.dataTable thead th.sorting_desc::after {
    position: absolute;
    right: 8px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 10px;
    color: var(--gray-300);
}
table.dataTable thead th.sorting::after { content: '⇅'; }
table.dataTable thead th.sorting_asc::after { content: '↑'; color: var(--primary); }
table.dataTable thead th.sorting_desc::after { content: '↓'; color: var(--primary); }

/* Row click cursor */
table.dataTable tbody tr.row-link { cursor: pointer; }
table.dataTable tbody tr.row-link:hover { background: var(--gray-50); }

/* Center class */
table.dataTable td.dt-center { text-align: center; }

/* Hide default DT borders */
table.dataTable { border-collapse: collapse !important; }
table.dataTable thead th { border-bottom: 1px solid var(--gray-200) !important; }
table.dataTable.no-footer { border-bottom: none !important; }

/* ---- Order Tracker ---- */
.po-tracker, .so-tracker {
    display: flex;
    align-items: flex-start;
}
.po-tracker-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    flex: 1;
    min-width: 0;
    position: relative;
}
.po-tracker-node {
    position: relative;
    z-index: 2;
}
.po-tracker-icon {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gray-50);
    border: 2px solid var(--gray-200);
    color: var(--gray-300);
    transition: all .3s ease;
}
.po-tracker-step.lit .po-tracker-icon {
    background: var(--primary);
    border-color: var(--primary);
    color: #fff;
    box-shadow: 0 3px 12px rgba(79,110,247,.35);
}
.po-tracker-step.lit[data-key="sold"] .po-tracker-icon,
.po-tracker-step.lit[data-key="shipped"] .po-tracker-icon,
.po-tracker-step.lit[data-key="delivered"] .po-tracker-icon {
    background: var(--success);
    border-color: var(--success);
    box-shadow: 0 3px 12px rgba(16,185,129,.35);
}
.po-tracker-step.lit[data-key="rma"] .po-tracker-icon {
    background: var(--danger);
    border-color: var(--danger);
    box-shadow: 0 3px 12px rgba(239,68,68,.3);
}
.po-tracker-step.lit[data-key="repair"] .po-tracker-icon,
.po-tracker-step.lit[data-key="preparing"] .po-tracker-icon {
    background: var(--warning);
    border-color: var(--warning);
    color: #fff;
    box-shadow: 0 3px 12px rgba(245,158,11,.3);
}
.po-tracker-badge {
    position: absolute;
    top: -6px;
    right: -6px;
    min-width: 20px;
    height: 20px;
    padding: 0 5px;
    border-radius: 10px;
    background: var(--primary);
    color: #fff;
    font-size: 11px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid #fff;
    z-index: 3;
    line-height: 1;
}
.po-tracker-step.lit[data-key="sold"] .po-tracker-badge,
.po-tracker-step.lit[data-key="shipped"] .po-tracker-badge,
.po-tracker-step.lit[data-key="delivered"] .po-tracker-badge { background: var(--success); }
.po-tracker-step.lit[data-key="rma"] .po-tracker-badge { background: var(--danger); }
.po-tracker-step.lit[data-key="repair"] .po-tracker-badge,
.po-tracker-step.lit[data-key="preparing"] .po-tracker-badge { background: var(--warning); }
.po-tracker-connector {
    position: absolute;
    top: 21px;
    left: calc(50% + 21px);
    right: calc(-50% + 21px);
    height: 2px;
    background: var(--gray-200);
    z-index: 1;
}
.po-tracker-label {
    margin-top: 10px;
    font-size: 11.5px;
    font-weight: 600;
    color: var(--gray-300);
    text-align: center;
    white-space: nowrap;
}
.po-tracker-step.lit .po-tracker-label {
    color: var(--gray-700);
}
.po-tracker-date {
    margin-top: 2px;
    font-size: 11px;
    color: var(--gray-400);
    text-align: center;
    white-space: nowrap;
}
@media (max-width: 640px) {
    .po-tracker, .so-tracker {
        flex-wrap: wrap;
        gap: 6px 0;
        justify-content: center;
    }
    .po-tracker-step {
        flex: 0 0 calc(100% / 4);
    }
    .po-tracker-connector { display: none; }
    .po-tracker-icon {
        width: 36px;
        height: 36px;
    }
    .po-tracker-icon svg { width: 15px; height: 15px; }
    .po-tracker-label { font-size: 10.5px; }
}

/* Item status bar */
.item-status-bar {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 7px 16px;
    border-radius: 8px;
    font-size: 12.5px;
    font-weight: 600;
    letter-spacing: .01em;
}
.item-status-bar svg { width: 14px; height: 14px; flex-shrink: 0; }
.item-status-bar.sold      { background: var(--success-light); color: #065f46; border: 1px solid #a7f3d0; }
.item-status-bar.inventory { background: var(--info-light);    color: #1e40af; border: 1px solid #bfdbfe; }
.item-status-bar.shipping  { background: var(--warning-light); color: #92400e; border: 1px solid #fde68a; }
.item-status-bar.rma       { background: var(--danger-light);  color: #991b1b; border: 1px solid #fecaca; }
.item-status-bar.repair    { background: var(--warning-light); color: #92400e; border: 1px solid #fde68a; }
.item-status-bar.checking  { background: var(--info-light);    color: #1e40af; border: 1px solid #bfdbfe; }
.item-status-bar.testing   { background: var(--primary-light); color: var(--primary-hover); border: 1px solid #c7d2fe; }
.item-status-bar.receiving { background: var(--gray-100);      color: var(--gray-600);      border: 1px solid var(--gray-200); }
.item-status-bar.pending   { background: var(--gray-100);      color: var(--gray-400);      border: 1px solid var(--gray-200); }

/* Filter chips */
.filter-chip {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 5px 12px;
    border: 1.5px solid var(--gray-200);
    border-radius: 20px;
    background: #fff;
    font-size: 12px;
    font-weight: 550;
    color: var(--gray-600);
    cursor: pointer;
    transition: all .15s ease;
    font-family: inherit;
    white-space: nowrap;
}
.filter-chip:hover {
    border-color: var(--gray-300);
    background: var(--gray-50);
}
.filter-chip.active {
    border-color: var(--primary);
    background: var(--primary-light);
    color: var(--primary);
}
.filter-chip-count {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 20px;
    height: 18px;
    padding: 0 5px;
    border-radius: 10px;
    background: var(--gray-100);
    font-size: 10.5px;
    font-weight: 600;
    color: var(--gray-500);
}
.filter-chip.active .filter-chip-count {
    background: rgba(79,110,247,.15);
    color: var(--primary);
}

/* Item card filter hide */
.po-item-card.filter-hidden,
.so-item-card.filter-hidden {
    display: none !important;
}

/* Report slide panel */
.report-panel-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,.3);
    z-index: 999;
    opacity: 0;
    pointer-events: none;
    transition: opacity .25s ease;
}
.report-panel-overlay.open {
    opacity: 1;
    pointer-events: auto;
}
.report-panel {
    position: fixed;
    top: 0;
    right: 0;
    width: 500px;
    max-width: 90vw;
    height: 100%;
    background: #fff;
    box-shadow: -4px 0 24px rgba(0,0,0,.1);
    z-index: 1000;
    transform: translateX(100%);
    transition: transform .25s ease;
    display: flex;
    flex-direction: column;
}
.report-panel.open { transform: translateX(0); }
.report-panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid var(--gray-200);
}
.report-panel-header h3 { margin: 0; font-size: 15px; }
.report-panel-close {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--gray-500);
    padding: 4px;
    border-radius: var(--radius-sm);
}
.report-panel-close:hover { background: var(--gray-100); }
.report-panel-body {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
    font-size: 13.5px;
    line-height: 1.7;
    color: var(--gray-700);
}

/* Info text when empty */
.dataTables_empty {
    padding: 40px 20px !important;
    text-align: center;
    color: var(--gray-400);
    font-size: 14px;
}

/* ---------- Pagination ---------- */
.pagination-wrapper {
    padding: 16px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-top: 1px solid var(--gray-100);
}
.pagination-info {
    font-size: 13px;
    color: var(--gray-400);
}
.pagination {
    display: flex;
    gap: 4px;
    list-style: none;
    padding: 0;
    margin: 0;
}
.pagination li a,
.pagination li span {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 34px;
    height: 34px;
    padding: 0 8px;
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-weight: 500;
    color: var(--gray-600);
    text-decoration: none;
    transition: var(--transition);
    border: 1px solid transparent;
}
.pagination li a:hover {
    background: var(--gray-100);
    border-color: var(--gray-200);
}
.pagination li.active span {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}
.pagination li.disabled span {
    color: var(--gray-300);
    cursor: not-allowed;
}

/* ---------- Empty States ---------- */
.empty-state {
    text-align: center;
    padding: 60px 40px;
}
.empty-state svg {
    width: 64px;
    height: 64px;
    color: var(--gray-300);
    margin-bottom: 16px;
}
.empty-state h4 {
    font-size: 1.05rem;
    color: var(--gray-700);
    margin: 0 0 6px;
}
.empty-state p {
    font-size: 13.5px;
    color: var(--gray-400);
    margin: 0;
    max-width: 300px;
    margin-left: auto;
    margin-right: auto;
}

/* ---------- Loading States ---------- */
.loading-spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2.5px solid var(--gray-200);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin .6s linear infinite;
}
@keyframes spin {
    to { transform: rotate(360deg); }
}
.loading-overlay {
    position: absolute;
    inset: 0;
    background: rgba(255,255,255,.8);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: inherit;
    z-index: 10;
}
.btn .loading-spinner {
    width: 16px;
    height: 16px;
    border-width: 2px;
    border-color: rgba(255,255,255,.3);
    border-top-color: #fff;
}
.skeleton {
    background: linear-gradient(90deg, var(--gray-100) 25%, var(--gray-200) 50%, var(--gray-100) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: var(--radius-sm);
}
@keyframes shimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* ---------- Modals ---------- */
.modal-content {
    border: none;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}
.modal-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--gray-100);
}
.modal-header .modal-title {
    font-size: 1.05rem;
    font-weight: 600;
}
.modal-body {
    padding: 24px;
}
.modal-footer {
    padding: 16px 24px;
    border-top: 1px solid var(--gray-100);
    gap: 8px;
}

/* ---------- Dropdown ---------- */
.dropdown-menu {
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    box-shadow: var(--shadow-md);
    padding: 6px;
    min-width: 180px;
}
.dropdown-item {
    padding: 8px 14px;
    font-size: 13.5px;
    border-radius: var(--radius-sm);
    color: var(--gray-700);
    transition: var(--transition);
}
.dropdown-item:hover {
    background: var(--gray-50);
    color: var(--gray-900);
}

/* ---------- Error Page ---------- */
.error-page {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    text-align: center;
    padding: 40px;
}
.error-page h1 {
    font-size: 5rem;
    font-weight: 800;
    color: var(--gray-200);
    margin: 0;
    line-height: 1;
}
.error-page h2 {
    font-size: 1.25rem;
    color: var(--gray-600);
    margin: 12px 0 8px;
}
.error-page p {
    color: var(--gray-400);
    margin: 0 0 24px;
}

/* ---------- Detail Page ---------- */
.detail-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
    margin-bottom: 24px;
}
.detail-meta {
    display: flex;
    gap: 24px;
    flex-wrap: wrap;
}
.detail-meta-item {
    display: flex;
    flex-direction: column;
}
.detail-meta-label {
    font-size: 11.5px;
    color: var(--gray-400);
    text-transform: uppercase;
    letter-spacing: .06em;
    font-weight: 600;
    margin-bottom: 3px;
}
.detail-meta-value {
    font-size: 14.5px;
    font-weight: 550;
    color: var(--gray-800);
}

/* Status pipeline */
.status-pipeline {
    display: flex;
    gap: 4px;
    flex-wrap: wrap;
}
.status-step {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 550;
    background: var(--gray-100);
    color: var(--gray-400);
}
.status-step.completed {
    background: var(--success-light);
    color: #065f46;
}
.status-step.current {
    background: var(--primary-light);
    color: var(--primary);
    box-shadow: 0 0 0 2px rgba(79,110,247,.2);
}
.status-step-icon {
    width: 16px;
    height: 16px;
}

/* Notes / Reports */
.note-block {
    background: var(--gray-50);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    padding: 14px 16px;
    font-size: 13.5px;
    color: var(--gray-600);
    line-height: 1.6;
    margin-top: 8px;
}

/* ---------- Report Slide Panel ---------- */
.report-panel-overlay {
    position: fixed;
    inset: 0;
    background: rgba(15,23,42,.35);
    backdrop-filter: blur(4px);
    z-index: 200;
    opacity: 0;
    visibility: hidden;
    transition: opacity .3s ease, visibility .3s ease;
}
.report-panel-overlay.open {
    opacity: 1;
    visibility: visible;
}
.report-panel {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: 520px;
    max-width: 92vw;
    background: #fff;
    z-index: 201;
    box-shadow: -8px 0 30px rgba(0,0,0,.12);
    transform: translateX(100%);
    transition: transform .35s cubic-bezier(.4,0,.2,1);
    display: flex;
    flex-direction: column;
}
.report-panel.open {
    transform: translateX(0);
}
.report-panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    border-bottom: 1px solid var(--gray-100);
    flex-shrink: 0;
}
.report-panel-header h3 {
    font-size: 1rem;
    margin: 0;
    color: var(--gray-900);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    padding-right: 12px;
}
.report-panel-close {
    background: none;
    border: none;
    color: var(--gray-400);
    cursor: pointer;
    padding: 6px;
    border-radius: var(--radius-sm);
    transition: var(--transition);
    flex-shrink: 0;
}
.report-panel-close:hover {
    background: var(--gray-100);
    color: var(--gray-700);
}
.report-panel-body {
    flex: 1;
    overflow-y: auto;
    padding: 24px;
}
.report-panel-body .report-content {
    font-size: 13.5px;
    line-height: 1.75;
    color: var(--gray-700);
    white-space: pre-wrap;
    word-break: break-word;
    font-family: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
    background: var(--gray-50);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    padding: 20px;
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
    .sidebar {
        transform: translateX(-100%);
    }
    .sidebar.open {
        transform: translateX(0);
    }
    .main-content {
        margin-left: 0;
    }
    .mobile-toggle {
        display: block;
    }
    .sidebar-overlay {
        display: none;
        position: fixed;
        inset: 0;
        background: rgba(0,0,0,.4);
        z-index: 99;
    }
    .sidebar-overlay.open {
        display: block;
    }
}

@media (max-width: 768px) {
    .auth-card {
        padding: 32px 24px;
    }
    .form-row {
        grid-template-columns: 1fr;
    }
    .page-content {
        padding: 20px 16px;
    }
    .table-toolbar {
        flex-direction: column;
        align-items: stretch;
    }
    .table-search {
        width: 100%;
    }
    .pagination-wrapper {
        flex-direction: column;
        gap: 12px;
    }
    .stat-card-value {
        font-size: 1.35rem;
    }
    .detail-meta {
        gap: 16px;
    }
    .topbar {
        padding: 0 16px;
    }
    /* Account page / dashboard 2-col grids */
    [style*="grid-template-columns: 1fr 1fr"],
    [style*="grid-template-columns:1fr 1fr"] {
        grid-template-columns: 1fr !important;
    }
}

@media (max-width: 480px) {
    .topbar-user-info {
        display: none;
    }
    .auth-card {
        padding: 28px 20px;
    }
}

/* ---------- Utility Classes ---------- */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-muted { color: var(--gray-400); }
.text-success { color: var(--success); }
.text-danger { color: var(--danger); }
.text-primary { color: var(--primary); }
.fw-500 { font-weight: 500; }
.fw-600 { font-weight: 600; }
.mt-0 { margin-top: 0; }
.mt-2 { margin-top: 8px; }
.mt-3 { margin-top: 16px; }
.mt-4 { margin-top: 24px; }
.mb-0 { margin-bottom: 0; }
.mb-2 { margin-bottom: 8px; }
.mb-3 { margin-bottom: 16px; }
.mb-4 { margin-bottom: 24px; }
.gap-2 { gap: 8px; }
.gap-3 { gap: 16px; }
.d-flex { display: flex; }
.align-center { align-items: center; }
.justify-between { justify-content: space-between; }
.flex-wrap { flex-wrap: wrap; }
.w-100 { width: 100%; }
.position-relative { position: relative; }