/* ── Nebroo Coupons — Industrial Monochrome ── */

:root {
    --black: #0a0a0a;
    --white: #f8f8f8;
    --gray-50: #fafafa;
    --gray-100: #f0f0f0;
    --gray-200: #e4e4e4;
    --gray-300: #d0d0d0;
    --gray-400: #a0a0a0;
    --gray-500: #717171;
    --gray-600: #525252;
    --gray-700: #3a3a3a;
    --gray-800: #262626;
    --gray-900: #171717;
    --radius: 10px;
    --shadow-sm: 0 1px 2px rgba(0,0,0,.04);
    --shadow: 0 2px 8px rgba(0,0,0,.06), 0 0 0 1px rgba(0,0,0,.04);
    --shadow-lg: 0 8px 30px rgba(0,0,0,.08), 0 0 0 1px rgba(0,0,0,.03);
    --transition: .2s cubic-bezier(.4,0,.2,1);
}

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

body {
    font-family: 'Poppins', sans-serif;
    background: var(--gray-100);
    color: var(--gray-900);
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
}

/* ── Noise texture overlay ── */
body::before {
    content: '';
    position: fixed;
    inset: 0;
    opacity: .025;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
    background-size: 256px;
    pointer-events: none;
    z-index: 9999;
}

/* ── Login ── */
.login-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--black);
    position: relative;
    overflow: hidden;
}

.login-wrapper::before {
    content: '';
    position: absolute;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255,255,255,.03) 0%, transparent 70%);
    top: -200px;
    right: -200px;
}

.login-card {
    background: var(--gray-900);
    border: 1px solid var(--gray-800);
    border-radius: var(--radius);
    padding: 48px 40px;
    width: 100%;
    max-width: 400px;
    position: relative;
}

.login-card h1 {
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--gray-400);
    margin-bottom: 8px;
}

.login-card h2 {
    font-size: 26px;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 36px;
    letter-spacing: -.5px;
}

.login-card input[type="password"] {
    width: 100%;
    padding: 14px 16px;
    background: var(--gray-800);
    border: 1px solid var(--gray-700);
    border-radius: 8px;
    color: var(--white);
    font-family: 'Poppins', sans-serif;
    font-size: 14px;
    outline: none;
    transition: border-color var(--transition);
}

.login-card input[type="password"]:focus {
    border-color: var(--gray-500);
}

.login-card input[type="password"]::placeholder {
    color: var(--gray-600);
}

.login-card button {
    width: 100%;
    margin-top: 16px;
    padding: 14px;
    background: var(--white);
    color: var(--black);
    border: none;
    border-radius: 8px;
    font-family: 'Poppins', sans-serif;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition);
    letter-spacing: .3px;
}

.login-card button:hover {
    background: var(--gray-200);
    transform: translateY(-1px);
}

.login-error {
    margin-top: 16px;
    padding: 12px 14px;
    background: rgba(220,38,38,.1);
    border: 1px solid rgba(220,38,38,.2);
    border-radius: 8px;
    color: #f87171;
    font-size: 13px;
}

/* ── Top bar ── */
.topbar {
    background: var(--black);
    padding: 0 32px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid var(--gray-800);
}

.topbar-brand {
    font-size: 14px;
    font-weight: 700;
    color: var(--white);
    letter-spacing: 2px;
    text-transform: uppercase;
    text-decoration: none;
}

.topbar-actions {
    display: flex;
    gap: 12px;
    align-items: center;
}

.topbar-actions a {
    font-size: 13px;
    color: var(--gray-400);
    text-decoration: none;
    padding: 6px 14px;
    border-radius: 6px;
    transition: all var(--transition);
}

.topbar-actions a:hover {
    color: var(--white);
    background: var(--gray-800);
}

.topbar-actions .btn-logout {
    color: var(--gray-500);
    border: 1px solid var(--gray-700);
}

/* ── Layout ── */
.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 32px 24px;
}

/* ── Page header ── */
.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 28px;
    flex-wrap: wrap;
    gap: 16px;
}

.page-header h1 {
    font-size: 22px;
    font-weight: 700;
    color: var(--gray-900);
    letter-spacing: -.3px;
}

.page-header p {
    font-size: 13px;
    color: var(--gray-500);
    margin-top: 2px;
}

/* ── Buttons ── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 20px;
    border-radius: 8px;
    font-family: 'Poppins', sans-serif;
    font-size: 13px;
    font-weight: 600;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: all var(--transition);
    white-space: nowrap;
}

.btn-primary {
    background: var(--black);
    color: var(--white);
}
.btn-primary:hover {
    background: var(--gray-800);
    transform: translateY(-1px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: var(--white);
    color: var(--gray-700);
    border: 1px solid var(--gray-200);
}
.btn-secondary:hover {
    background: var(--gray-50);
    border-color: var(--gray-300);
}

.btn-danger {
    background: #fef2f2;
    color: #dc2626;
    border: 1px solid #fecaca;
}
.btn-danger:hover {
    background: #fee2e2;
}

.btn-sm {
    padding: 6px 12px;
    font-size: 12px;
}

.btn-icon {
    width: 34px;
    height: 34px;
    padding: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    background: var(--white);
    border: 1px solid var(--gray-200);
    cursor: pointer;
    transition: all var(--transition);
    color: var(--gray-600);
}
.btn-icon:hover {
    background: var(--gray-50);
    border-color: var(--gray-300);
    color: var(--gray-900);
}

/* ── Cards ── */
.card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    transition: box-shadow var(--transition);
}

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

.card-body {
    padding: 24px;
}

/* ── Alert / Flash messages ── */
.alert {
    padding: 14px 18px;
    border-radius: 8px;
    font-size: 13px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
    animation: slideDown .3s ease-out;
}

@keyframes slideDown {
    from { opacity: 0; transform: translateY(-8px); }
    to   { opacity: 1; transform: translateY(0); }
}

.alert-success {
    background: #f0fdf4;
    color: #166534;
    border: 1px solid #bbf7d0;
}

.alert-error {
    background: #fef2f2;
    color: #991b1b;
    border: 1px solid #fecaca;
}

/* ── Forms ── */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 12px;
    font-weight: 600;
    color: var(--gray-600);
    text-transform: uppercase;
    letter-spacing: .8px;
    margin-bottom: 6px;
}

.form-control {
    width: 100%;
    padding: 11px 14px;
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: 8px;
    font-family: 'Poppins', sans-serif;
    font-size: 14px;
    color: var(--gray-900);
    outline: none;
    transition: border-color var(--transition), box-shadow var(--transition);
}

.form-control:focus {
    border-color: var(--gray-400);
    box-shadow: 0 0 0 3px rgba(0,0,0,.04);
}

select.form-control {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23717171' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
    padding-right: 36px;
}

.form-hint {
    font-size: 12px;
    color: var(--gray-400);
    margin-top: 4px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

/* ── Coupon Table ── */
.coupon-table-wrap {
    overflow-x: auto;
}

.coupon-table {
    width: 100%;
    border-collapse: collapse;
}

.coupon-table th {
    text-align: left;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--gray-400);
    padding: 12px 16px;
    border-bottom: 1px solid var(--gray-200);
    white-space: nowrap;
}

.coupon-table td {
    padding: 14px 16px;
    font-size: 14px;
    border-bottom: 1px solid var(--gray-100);
    vertical-align: middle;
}

.coupon-table tbody tr {
    transition: background var(--transition);
}

.coupon-table tbody tr:hover {
    background: var(--gray-50);
}

.coupon-code {
    font-family: 'JetBrains Mono', 'SF Mono', 'Fira Code', monospace;
    font-size: 13px;
    font-weight: 600;
    background: var(--gray-100);
    padding: 4px 10px;
    border-radius: 5px;
    color: var(--gray-800);
    display: inline-flex;
    align-items: center;
    gap: 6px;
    letter-spacing: .5px;
}

.badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: .3px;
}

.badge-flat {
    background: var(--gray-900);
    color: var(--white);
}

.badge-percent {
    background: var(--gray-200);
    color: var(--gray-700);
}

.badge-base {
    background: #eff6ff;
    color: #1d4ed8;
}

.badge-shipping {
    background: #fefce8;
    color: #a16207;
}

.actions-cell {
    display: flex;
    gap: 6px;
}

/* ── Search bar ── */
.search-bar {
    display: flex;
    gap: 12px;
    margin-bottom: 24px;
    flex-wrap: wrap;
}

.search-bar .form-control {
    max-width: 320px;
}

/* ── Empty state ── */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--gray-400);
}

.empty-state svg {
    width: 48px;
    height: 48px;
    margin-bottom: 16px;
    opacity: .3;
}

.empty-state h3 {
    font-size: 16px;
    font-weight: 600;
    color: var(--gray-600);
    margin-bottom: 6px;
}

.empty-state p {
    font-size: 13px;
}

/* ── Copy tooltip ── */
.copy-toast {
    position: fixed;
    bottom: 24px;
    right: 24px;
    background: var(--gray-900);
    color: var(--white);
    padding: 10px 18px;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 500;
    opacity: 0;
    transform: translateY(8px);
    transition: all .25s ease;
    pointer-events: none;
    z-index: 200;
}

.copy-toast.show {
    opacity: 1;
    transform: translateY(0);
}

/* ── Confirm modal ── */
.modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,.5);
    backdrop-filter: blur(4px);
    z-index: 500;
    align-items: center;
    justify-content: center;
}

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

.modal-box {
    background: var(--white);
    border-radius: var(--radius);
    padding: 28px;
    max-width: 400px;
    width: 90%;
    box-shadow: var(--shadow-lg);
    animation: modalIn .2s ease-out;
}

@keyframes modalIn {
    from { opacity: 0; transform: scale(.96); }
    to   { opacity: 1; transform: scale(1); }
}

.modal-box h3 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 8px;
}

.modal-box p {
    font-size: 13px;
    color: var(--gray-500);
    margin-bottom: 24px;
    line-height: 1.5;
}

.modal-actions {
    display: flex;
    gap: 10px;
    justify-content: flex-end;
}

/* ── Pagination ── */
.pagination {
    display: flex;
    gap: 6px;
    justify-content: center;
    margin-top: 24px;
}

.pagination a,
.pagination span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 36px;
    height: 36px;
    padding: 0 10px;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 500;
    text-decoration: none;
    transition: all var(--transition);
}

.pagination a {
    background: var(--white);
    color: var(--gray-600);
    border: 1px solid var(--gray-200);
}

.pagination a:hover {
    background: var(--gray-50);
    border-color: var(--gray-300);
}

.pagination .active {
    background: var(--black);
    color: var(--white);
    border: 1px solid var(--black);
}

/* ── Responsive ── */
@media (max-width: 768px) {
    .container { padding: 20px 16px; }
    .topbar { padding: 0 16px; }
    .form-row { grid-template-columns: 1fr; }
    .page-header { flex-direction: column; align-items: flex-start; }
    .search-bar .form-control { max-width: 100%; }
    .coupon-table th:nth-child(n+5),
    .coupon-table td:nth-child(n+5) { display: none; }
    .login-card { margin: 16px; padding: 32px 24px; }
}