/* Diamond B2B Platform - Premium Styles */
:root {
    --primary: #0c1a33;
    --primary-light: #14305c;
    --primary-gradient: linear-gradient(135deg, #0b1a35 0%, #102447 50%, #163564 100%);
    --accent: #e6b845;
    --accent-dark: #c79b2f;
    --accent-gradient: linear-gradient(135deg, #f5d47a 0%, #e6b845 50%, #c79b2f 100%);
    --success: #10b981;
    --success-light: #d1fae5;
    --danger: #ef4444;
    --warning: #f59e0b;
    --info: #0ea5e9;
    --dark: #050a14;
    --gray: #64748b;
    --light: #eef3f9;
    --white: #ffffff;
    --border: rgba(12,26,51,0.08);
    --shadow: 0 10px 30px rgba(12,26,51,0.09);
    --shadow-lg: 0 20px 50px rgba(12,26,51,0.16);
    --radius: 1rem;
    --sidebar-width: 260px;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html, body {
    height: 100%;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background: linear-gradient(180deg, #eef3f9 0%, #e6edf5 100%);
    color: var(--dark);
    line-height: 1.6;
}

/* Premium selection color */
::selection {
    background: rgba(230,184,69,0.25);
    color: var(--primary);
}

a { color: var(--primary-light); text-decoration: none; }
a:hover { text-decoration: underline; }

img { max-width: 100%; height: auto; }

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.6rem 1.2rem;
    border-radius: 0.5rem;
    border: 1px solid transparent;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 0.95rem;
}

.btn-primary { background: var(--primary-gradient); color: var(--white); border: none; box-shadow: 0 4px 12px rgba(10,14,39,0.18); }
.btn-primary:hover { filter: brightness(1.12); text-decoration: none; transform: translateY(-2px); }

.btn-accent { background: var(--accent-gradient); color: #1a1500; border: none; box-shadow: 0 4px 12px rgba(212,175,55,0.25); }
.btn-accent:hover { filter: brightness(1.08); text-decoration: none; transform: translateY(-2px); }

.btn-success { background: var(--success); color: var(--white); border: none; }
.btn-danger { background: var(--danger); color: var(--white); border: none; }
.btn-warning { background: var(--warning); color: var(--dark); border: none; }
.btn-secondary { background: var(--gray); color: var(--white); border: none; }
.btn-light { background: var(--white); color: var(--dark); border: 1px solid var(--border); }

.btn-sm { padding: 0.35rem 0.75rem; font-size: 0.85rem; }
.btn-lg { padding: 0.95rem 1.65rem; font-size: 1.05rem; }

.btn { transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1); }
.btn:hover { opacity: 0.95; transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

/* Badges */
.badge {
    display: inline-block;
    padding: 0.25rem 0.6rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: capitalize;
}

.badge-success { background: #c6f6d5; color: #22543d; }
.badge-danger { background: #fed7d7; color: #742a2a; }
.badge-warning { background: #feebc8; color: #744210; }
.badge-info { background: #bee3f8; color: #2a4365; }
.badge-dark { background: #cbd5e0; color: #1a202c; }
.badge-secondary { background: #edf2f7; color: #4a5568; }

/* Cards */
.card {
    background: var(--white);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
    overflow: hidden;
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.card:hover { box-shadow: var(--shadow-lg); }

.card-header {
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
    background: linear-gradient(180deg, #ffffff 0%, #f9fafc 100%);
}

.card-body { padding: 1.25rem; }
.card-title { font-size: 1.15rem; font-weight: 800; color: var(--primary); letter-spacing: -0.01em; }

/* Dashboard cards */
.stat-card {
    padding: 1.35rem;
    background: var(--white);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
    transition: transform 0.25s ease, box-shadow 0.25s ease;
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 4px;
    background: var(--accent-gradient);
    opacity: 0;
    transition: opacity 0.25s ease;
}

.stat-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.stat-card:hover::before { opacity: 1; }

.stat-label {
    font-size: 0.8rem;
    color: var(--gray);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.35rem;
    font-weight: 700;
}

.stat-value {
    font-size: 1.85rem;
    font-weight: 800;
    color: var(--primary);
}

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: 0.85rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(212,175,55,0.12) 0%, rgba(212,175,55,0.05) 100%);
    color: var(--accent-dark);
    font-size: 1.35rem;
}

/* Tables */
.table-wrap { overflow-x: auto; }

table.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.92rem;
}

table.data-table th,
table.data-table td {
    padding: 0.9rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border);
    white-space: nowrap;
}

table.data-table th {
    background: linear-gradient(180deg, #f9fafc 0%, #f4f6fa 100%);
    color: var(--primary);
    font-weight: 800;
    text-transform: uppercase;
    font-size: 0.72rem;
    letter-spacing: 0.05em;
}

table.data-table tbody tr:hover { background: rgba(212,175,55,0.04); }

table.data-table tbody tr { transition: background 0.2s; }

table.data-table .actions { display: flex; gap: 0.4rem; }

/* Forms */
.form-group { margin-bottom: 1rem; }
.form-label {
    display: block;
    margin-bottom: 0.35rem;
    font-weight: 600;
    font-size: 0.9rem;
}

.form-control {
    width: 100%;
    padding: 0.7rem 0.95rem;
    border: 1px solid #e2e4ea;
    border-radius: 0.55rem;
    font-size: 0.95rem;
    background: var(--white);
    transition: border-color 0.2s, box-shadow 0.2s, transform 0.2s;
}

.form-control:focus {
    outline: none;
    border-color: var(--accent-dark);
    box-shadow: 0 0 0 3px rgba(212,175,55,0.15);
    transform: translateY(-1px);
}

.form-hint {
    font-size: 0.8rem;
    color: var(--gray);
    margin-top: 0.25rem;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1rem;
}

select.form-control { appearance: auto; }

/* Pagination */
.pagination {
    display: flex;
    gap: 0.35rem;
    flex-wrap: wrap;
    align-items: center;
}

.pagination a, .pagination span {
    padding: 0.4rem 0.8rem;
    border-radius: 0.4rem;
    border: 1px solid var(--border);
    background: var(--white);
    color: var(--dark);
    font-size: 0.9rem;
}

.pagination a:hover { background: var(--primary); color: var(--white); border-color: var(--primary); text-decoration: none; }
.pagination .current { background: var(--primary); color: var(--white); border-color: var(--primary); }

/* Toasts */
.toast {
    position: fixed;
    top: 1rem;
    right: 1rem;
    min-width: 280px;
    padding: 1rem 1.25rem;
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    z-index: 9999;
    display: none;
    animation: slideIn 0.3s ease;
}

.toast.show { display: block; }
.toast.success { background: var(--success); color: var(--white); }
.toast.error { background: var(--danger); color: var(--white); }
.toast.warning { background: var(--warning); color: var(--white); }

@keyframes slideIn {
    from { transform: translateX(120%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

/* Modals */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: 10000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.modal-overlay.active { display: flex; }

.modal {
    background: var(--white);
    border-radius: var(--radius);
    width: 100%;
    max-width: 560px;
    max-height: 90vh;
    overflow: auto;
    box-shadow: var(--shadow-lg);
}

.modal-header {
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-body { padding: 1.25rem; }

/* Layout: dashboard */
.dashboard-layout {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: var(--sidebar-width);
    background: linear-gradient(180deg, #0a0e27 0%, #11183a 100%);
    color: var(--white);
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
    overflow-y: auto;
    z-index: 100;
    transition: transform 0.3s ease;
    border-right: 1px solid rgba(212,175,55,0.12);
}

.sidebar-header {
    padding: 1.25rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.sidebar-header img { height: 38px; }

.sidebar-menu {
    list-style: none;
    padding: 1rem 0;
    flex: 1;
}

.sidebar-menu a {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.85rem 1.25rem;
    color: rgba(255,255,255,0.85);
    border-left: 3px solid transparent;
    transition: all 0.2s;
}

.sidebar-menu a:hover,
.sidebar-menu a.active {
    background: linear-gradient(90deg, rgba(212,175,55,0.12) 0%, rgba(212,175,55,0.02) 100%);
    color: var(--accent);
    text-decoration: none;
    border-left-color: var(--accent);
}

.sidebar-footer {
    padding: 1rem 1.25rem;
    border-top: 1px solid rgba(255,255,255,0.1);
    font-size: 0.85rem;
    color: rgba(255,255,255,0.7);
}

.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.topbar {
    height: 64px;
    background: var(--white);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 1.5rem;
    position: sticky;
    top: 0;
    z-index: 50;
}

.topbar-left { display: flex; align-items: center; gap: 1rem; }

.menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--primary);
    cursor: pointer;
}

.page-content {
    padding: 1.5rem;
    flex: 1;
}

.page-title {
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 0.25rem;
}

.page-subtitle { color: var(--gray); margin-bottom: 1.25rem; }

.grid-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 1.25rem; }
.grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 1.25rem; }
.grid-4 { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 1.25rem; }

/* Search / filter bar */
.toolbar {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
    align-items: center;
    margin-bottom: 1rem;
}

.toolbar input, .toolbar select {
    padding: 0.55rem 0.85rem;
    border: 1px solid var(--border);
    border-radius: 0.5rem;
    font-size: 0.9rem;
}

/* Homepage */
.homepage {
    background: linear-gradient(135deg, #0f2027 0%, #203a43 50%, #2c5364 100%);
    color: var(--white);
    min-height: 100vh;
}

.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.25rem 6%;
}

.nav-logo { height: 44px; }

.nav-links { display: flex; gap: 2rem; align-items: center; }

.nav-links a {
    color: rgba(255,255,255,0.85);
    font-weight: 600;
    font-size: 0.95rem;
}

.nav-links a:hover { color: var(--accent); text-decoration: none; }

.hero {
    display: flex;
    align-items: center;
    gap: 3rem;
    padding: 4rem 6% 5rem;
    flex-wrap: wrap;
}

.hero-content { flex: 1; min-width: 300px; }

.hero h1 {
    font-size: 3rem;
    line-height: 1.15;
    margin-bottom: 1.25rem;
    font-weight: 800;
}

.hero h1 span { color: var(--accent); }

.hero p {
    font-size: 1.15rem;
    color: rgba(255,255,255,0.85);
    margin-bottom: 2rem;
    max-width: 560px;
}

.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; }

.hero-visual {
    flex: 1;
    min-width: 280px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.diamond-img {
    max-width: 420px;
    filter: drop-shadow(0 25px 40px rgba(0,0,0,0.35));
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-18px) rotate(2deg); }
}

.stats-bar {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
    gap: 1.25rem;
    padding: 2.5rem 6%;
    background: rgba(255,255,255,0.04);
    backdrop-filter: blur(6px);
}

.stat-box {
    text-align: center;
    padding: 1.25rem;
    border-radius: var(--radius);
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.08);
    transition: transform 0.25s ease, background 0.25s ease;
}

.stat-box .number {
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--accent);
}

.stat-box .label {
    font-size: 0.9rem;
    color: rgba(255,255,255,0.75);
    margin-top: 0.3rem;
}

.features {
    padding: 4rem 6%;
    background: var(--light);
    color: var(--dark);
}

.section-title {
    text-align: center;
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
}

.section-subtitle {
    text-align: center;
    color: var(--gray);
    margin-bottom: 2.5rem;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.5rem;
}

.feature-card {
    background: var(--white);
    border-radius: var(--radius);
    padding: 1.75rem;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
    transition: transform 0.2s;
}

.feature-card:hover { transform: translateY(-4px); }

.feature-icon {
    width: 50px;
    height: 50px;
    border-radius: 0.75rem;
    background: rgba(30,58,95,0.08);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    margin-bottom: 1rem;
}

.feature-card h3 { font-size: 1.1rem; margin-bottom: 0.5rem; }
.feature-card p { color: var(--gray); font-size: 0.95rem; }

.footer {
    padding: 1.5rem 6%;
    background: var(--dark);
    color: rgba(255,255,255,0.7);
    text-align: center;
    font-size: 0.9rem;
}

/* Login page */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #0a0e27 0%, #141a3b 50%, #1c2449 100%);
    padding: 1rem;
}

.login-card {
    width: 100%;
    max-width: 420px;
    background: rgba(255,255,255,0.98);
    border-radius: var(--radius);
    box-shadow: 0 24px 60px rgba(0,0,0,0.35), 0 0 0 1px rgba(212,175,55,0.1);
    overflow: hidden;
    animation: cardReveal 0.6s ease both;
}

@keyframes cardReveal {
    from { opacity: 0; transform: translateY(30px) scale(0.98); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

.login-header {
    background: var(--primary-gradient);
    padding: 1.5rem;
    text-align: center;
    color: var(--white);
    border-bottom: 2px solid var(--accent);
}

.login-header img { height: 46px; margin-bottom: 0.75rem; }

.login-body { padding: 1.75rem; }

/* Empty / loading states */
.empty-state {
    text-align: center;
    padding: 2.5rem 1rem;
    color: var(--gray);
}

.empty-state .icon {
    font-size: 2.5rem;
    margin-bottom: 0.75rem;
    opacity: 0.5;
}

.loading {
    display: inline-block;
    width: 24px;
    height: 24px;
    border: 3px solid rgba(30,58,95,0.2);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* Help text in Banglish */
.banglish-help {
    display: block;
    font-size: 0.8rem;
    color: var(--gray);
    margin-top: 0.25rem;
    font-style: italic;
}

/* Mobile responsive */
@media (max-width: 1024px) {
    .hero h1 { font-size: 2.4rem; }
}

@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }
    .sidebar.open { transform: translateX(0); }
    .main-content { margin-left: 0; }
    .menu-toggle { display: block; }

    .navbar { flex-wrap: wrap; }
    .nav-links { display: none; }

    .hero { padding: 2.5rem 5%; }
    .hero h1 { font-size: 2rem; }
    .hero p { font-size: 1rem; }
    .diamond-img { max-width: 280px; }

    .stats-bar { padding: 2rem 5%; }
    .features { padding: 2.5rem 5%; }

    .grid-4, .grid-3, .grid-2 { grid-template-columns: 1fr; }
    .card-header { flex-direction: column; align-items: flex-start; }
}

/* Print */
@media print {
    .sidebar, .topbar, .btn, .actions { display: none !important; }
    .main-content { margin-left: 0; }
    .page-content { padding: 0; }
}

/* Utility */
.text-right { text-align: right; }
.text-center { text-align: center; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.flex { display: flex; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-1 { gap: 0.5rem; }
.gap-2 { gap: 1rem; }
.hidden { display: none; }

/* --- Dashboard enhancements --- */

/* Alerts */
.alert {
    padding: 1rem 1.25rem;
    border-radius: var(--radius);
    margin-bottom: 1.25rem;
    font-size: 0.95rem;
    border: 1px solid transparent;
}

.alert-danger { background: #fff5f5; color: #c53030; border-color: #feb2b2; }
.alert-success { background: #f0fff4; color: #276749; border-color: #9ae6b4; }
.alert-warning { background: #fffaf0; color: #c05621; border-color: #fbd38d; }
.alert-info { background: #ebf8ff; color: #2b6cb0; border-color: #90cdf4; }

/* Animations */
.animate-fade-up {
    animation: fadeUp 0.5s ease both;
}

.animate-fade-in {
    animation: fadeIn 0.5s ease both;
}

.animate-row {
    animation: fadeInUp 0.4s ease both;
}

@keyframes fadeUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(12px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Copy toast */
.copy-toast {
    position: fixed;
    bottom: 1.5rem;
    left: 50%;
    transform: translateX(-50%) translateY(20px);
    background: var(--dark);
    color: var(--white);
    padding: 0.75rem 1.5rem;
    border-radius: 999px;
    box-shadow: var(--shadow-lg);
    z-index: 99999;
    opacity: 0;
    pointer-events: none;
    transition: all 0.3s ease;
    font-size: 0.9rem;
    font-weight: 600;
}
.copy-toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* Copy text helper */
.copy-text {
    cursor: pointer;
    border-bottom: 1px dashed var(--primary-light);
    transition: color 0.2s;
}

.copy-text:hover { color: var(--primary); }

.copy-wrap {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.copy-wrap .form-control {
    flex: 1;
    font-size: 0.85rem;
}

/* Detail grid inside modals */
.detail-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
}

.detail-grid label {
    font-size: 0.8rem;
    color: var(--gray);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    margin-bottom: 0.35rem;
    display: block;
}

/* Mobile cards */
.desktop-only { display: block; }
.mobile-only { display: none; }

.mobile-cards {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.mobile-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1rem;
    box-shadow: var(--shadow);
}

.mobile-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.75rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border);
}

.mobile-card-body {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.5rem;
    font-size: 0.9rem;
}

.mobile-card-body p {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 0.5rem;
}

.mobile-card-body p span:first-child { color: var(--gray); font-weight: 600; }

.mobile-card-actions {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-top: 0.75rem;
}

/* Form animated */
.form-animated .form-group {
    animation: fadeInUp 0.4s ease both;
}

.form-animated .form-group:nth-child(2) { animation-delay: 0.05s; }
.form-animated .form-group:nth-child(3) { animation-delay: 0.1s; }
.form-animated .form-group:nth-child(4) { animation-delay: 0.15s; }
.form-animated .form-group:nth-child(5) { animation-delay: 0.2s; }
.form-animated .form-group:nth-child(6) { animation-delay: 0.25s; }

.form-animated .form-control:focus {
    border-color: var(--accent-dark);
    box-shadow: 0 0 0 3px rgba(212,175,55,0.15);
}

/* Premium modal */
.modal-overlay {
    background: rgba(10,14,39,0.6);
    backdrop-filter: blur(4px);
}

.modal {
    border: 1px solid rgba(212,175,55,0.12);
}

.modal-header {
    background: linear-gradient(180deg, #ffffff 0%, #f9fafc 100%);
}

/* Premium topbar */
.topbar {
    background: rgba(255,255,255,0.96);
    backdrop-filter: blur(8px);
    box-shadow: 0 2px 12px rgba(10,14,39,0.04);
}

/* Page title accent */
.page-title {
    position: relative;
    padding-bottom: 0.25rem;
}
.page-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 3px;
    background: var(--accent-gradient);
    border-radius: 3px;
}

/* Animated shimmer for loading placeholders */
.shimmer {
    background: linear-gradient(90deg, #f4f6fa 25%, #e8ebf0 50%, #f4f6fa 75%);
    background-size: 200% 100%;
    animation: shimmer 1.2s infinite;
}
@keyframes shimmer { 0% { background-position: 200% 0; } 100% { background-position: -200% 0; } }

/* Pulse for live/copied indicators */
@keyframes pulse-soft {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.08); }
}
.copy-toast { border: 1px solid rgba(212,175,55,0.25); }
.copy-text:hover { color: var(--accent-dark); border-bottom-color: var(--accent); }

/* Badge premium glow */
.badge-success { background: rgba(0,200,83,0.12); color: #007233; }
.badge-danger { background: rgba(255,61,87,0.12); color: #c41c3a; }
.badge-warning { background: rgba(255,171,0,0.12); color: #8a5a00; }
.badge-info { background: rgba(0,176,255,0.12); color: #005f8a; }
.badge-dark { background: rgba(11,15,31,0.12); color: #0b0f1f; }
.badge-secondary { background: rgba(107,114,128,0.12); color: #4b5563; }

/* Stagger rows animation */
table.data-table tbody tr { animation: fadeInUp 0.35s ease both; }
table.data-table tbody tr:nth-child(1) { animation-delay: 0.03s; }
table.data-table tbody tr:nth-child(2) { animation-delay: 0.06s; }
table.data-table tbody tr:nth-child(3) { animation-delay: 0.09s; }
table.data-table tbody tr:nth-child(4) { animation-delay: 0.12s; }
table.data-table tbody tr:nth-child(5) { animation-delay: 0.15s; }
table.data-table tbody tr:nth-child(6) { animation-delay: 0.18s; }
table.data-table tbody tr:nth-child(7) { animation-delay: 0.21s; }
table.data-table tbody tr:nth-child(8) { animation-delay: 0.24s; }
table.data-table tbody tr:nth-child(9) { animation-delay: 0.27s; }
table.data-table tbody tr:nth-child(10) { animation-delay: 0.30s; }

/* Homepage premium touches */
.homepage .nav-links a:hover { color: var(--accent); text-shadow: 0 0 8px rgba(212,175,55,0.35); }
.feature-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: rgba(212,175,55,0.15); }
.feature-icon { background: linear-gradient(135deg, rgba(212,175,55,0.12) 0%, rgba(212,175,55,0.04) 100%); }
.stat-box:hover { transform: translateY(-4px); background: rgba(255,255,255,0.08); }

/* Responsive helpers */
@media (max-width: 768px) {
    .desktop-only { display: none; }
    .mobile-only { display: flex; }

    .page-title { font-size: 1.25rem; }
    .page-content { padding: 1rem; }
    .topbar { padding: 0 1rem; height: 56px; }

    .card-header { padding: 1rem; }
    .card-body { padding: 1rem; }

    .form-row { grid-template-columns: 1fr; gap: 0; }
    .form-group { margin-bottom: 1rem; }

    .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }

    .stat-card { padding: 1rem; }
    .stat-value { font-size: 1.4rem !important; }

    .actions { flex-wrap: wrap; }
    .actions .btn { margin-bottom: 0.25rem; }

    .toolbar { flex-direction: column; align-items: stretch; }
    .toolbar input, .toolbar select { width: 100%; }

    .modal { max-width: calc(100vw - 2rem); }
    .detail-grid { gap: 0.75rem; }

    /* Data tables become premium cards on mobile */
    .data-table,
    .data-table thead,
    .data-table tbody,
    .data-table th,
    .data-table td,
    .data-table tr { display: block; }

    .data-table thead { display: none; }

    .data-table tbody { display: flex; flex-direction: column; gap: 1rem; }

    .data-table tbody tr {
        background: var(--white);
        border: 1px solid var(--border);
        border-radius: var(--radius);
        box-shadow: var(--shadow);
        padding: 1rem;
        transition: transform 0.2s ease, box-shadow 0.2s ease;
    }

    .data-table tbody tr:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); }

    .data-table td {
        display: flex;
        justify-content: space-between;
        align-items: center;
        gap: 1rem;
        border: none;
        border-bottom: 1px solid var(--border);
        padding: 0.55rem 0;
        white-space: normal;
        text-align: right;
    }

    .data-table td::before {
        content: attr(data-label);
        font-weight: 700;
        font-size: 0.8rem;
        color: var(--gray);
        text-transform: uppercase;
        letter-spacing: 0.03em;
        text-align: left;
    }

    .data-table td:last-child { border-bottom: none; }
    .data-table .actions { flex-direction: column; align-items: stretch; gap: 0.5rem; }
    .data-table .actions .btn { width: 100%; justify-content: center; }
}