@import url('https://fonts.googleapis.com/css2?family=Cairo:wght@400;600;700;800&family=Inter:wght@400;600;700;800&display=swap');

:root {
    --bg-primary: #04060b;
    --bg-secondary: #0a0f1d;
    --bg-card: rgba(22, 28, 45, 0.7);
    --bg-card-hover: rgba(30, 38, 61, 0.9);
    --surface: rgba(18, 24, 40, 0.92);
    --accent: #7c4dff;
    --accent-light: #b388ff;
    --accent-glow: rgba(124, 77, 255, 0.25);
    --success: #00e676;
    --success-dim: rgba(0, 230, 118, 0.15);
    --danger: #ff5252;
    --danger-dim: rgba(255, 82, 82, 0.15);
    --warning: #ffd740;
    --text-primary: #ffffff;
    --text-secondary: #c0c8df;
    --text-muted: #8088a0;
    --border: rgba(255, 255, 255, 0.1);
    --radius: 20px;
    --radius-sm: 12px;
    --shadow: 0 12px 40px rgba(0, 0, 0, 0.7);
    --transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    --tap-min: 44px;
    --nav-height: 64px;
    --glass-blur: blur(14px) saturate(180%);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Cairo', 'Inter', sans-serif;
    background: radial-gradient(circle at top right, #1a1b26, var(--bg-primary));
    color: var(--text-primary);
    min-height: 100vh;
    min-height: 100dvh;
    direction: rtl;
    line-height: 1.6;
    overflow-x: hidden;
    margin: 0;
    padding-bottom: env(safe-area-inset-bottom, 0);
}

html[dir="ltr"] body {
    direction: ltr;
    font-family: 'Inter', 'Cairo', sans-serif;
    background: radial-gradient(circle at top left, #1a1b26, var(--bg-primary));
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(15px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes pulse {
    0% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(0.85); }
    100% { opacity: 1; transform: scale(1); }
}

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

.card, .device-card, .page-title, .data-table {
    animation: fadeInUp 0.4s ease-out forwards;
}

/* ── Skip link (a11y) ───────────────────────── */

.skip-link {
    position: absolute;
    inset-inline-start: 1rem;
    top: -100px;
    z-index: 10000;
    background: var(--accent);
    color: #fff;
    padding: 0.65rem 1.1rem;
    border-radius: var(--radius-sm);
    font-weight: 700;
    text-decoration: none;
    transition: top 0.2s ease;
}

.skip-link:focus {
    top: 0.75rem;
    outline: 2px solid #fff;
    outline-offset: 2px;
}

/* ── Focus rings ────────────────────────────── */

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

button:focus:not(:focus-visible),
a:focus:not(:focus-visible),
input:focus:not(:focus-visible),
select:focus:not(:focus-visible) {
    outline: none;
}

/* ── Navbar ─────────────────────────────────── */

.navbar {
    background: rgba(10, 15, 29, 0.78);
    border-bottom: 1px solid var(--border);
    padding: 0 1.25rem;
    padding-inline: max(1.25rem, env(safe-area-inset-left)) max(1.25rem, env(safe-area-inset-right));
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    min-height: var(--nav-height);
    height: auto;
    position: sticky;
    top: 0;
    z-index: 200;
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
}

.nav-brand {
    font-size: 1.25rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--accent), #a29bfe);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    white-space: nowrap;
    flex-shrink: 0;
}

.nav-toggle {
    display: none;
    align-items: center;
    justify-content: center;
    width: var(--tap-min);
    height: var(--tap-min);
    min-width: var(--tap-min);
    min-height: var(--tap-min);
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.04);
    color: var(--text-primary);
    cursor: pointer;
    font-size: 1.35rem;
    line-height: 1;
    flex-shrink: 0;
}

.nav-toggle:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.2);
}

.nav-toggle[aria-expanded="true"] {
    background: var(--accent-glow);
    border-color: var(--accent);
    color: var(--accent-light);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    flex: 1;
    min-width: 0;
    overflow-x: auto;
    scrollbar-width: thin;
    -webkit-overflow-scrolling: touch;
    padding-block: 0.35rem;
}

.nav-links::-webkit-scrollbar {
    height: 4px;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    padding: 0.55rem 0.85rem;
    min-height: var(--tap-min);
    display: inline-flex;
    align-items: center;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.9rem;
    transition: var(--transition);
    white-space: nowrap;
    flex-shrink: 0;
}

.nav-link:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.05);
}

.nav-link.active {
    color: var(--accent-light);
    background: var(--accent-glow);
    box-shadow: inset 0 -2px 0 var(--accent);
}

.nav-user {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    flex-shrink: 0;
    margin-inline-start: auto;
}

.live-clock {
    padding: 0 0.85rem;
    color: var(--accent);
    font-weight: 700;
    font-size: 1rem;
    font-family: ui-monospace, monospace;
    border-inline-end: 1px solid rgba(255, 255, 255, 0.1);
    white-space: nowrap;
    direction: ltr;
    unicode-bidi: embed;
}

.user-badge {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    line-height: 1.2;
}

html[dir="ltr"] .user-badge {
    align-items: flex-start;
}

.user-name {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--text-primary);
}

.user-role {
    font-size: 0.7rem;
    color: var(--accent);
    text-transform: uppercase;
    font-weight: 800;
}

.lang-toggle {
    min-width: var(--tap-min);
    min-height: var(--tap-min);
    padding: 0.35rem 0.7rem;
    border-radius: 999px;
    border: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.04);
    color: var(--text-secondary);
    font-weight: 800;
    font-size: 0.75rem;
    cursor: pointer;
    font-family: inherit;
}

.lang-toggle:hover {
    color: var(--text-primary);
    border-color: var(--accent);
    background: var(--accent-glow);
}

.nav-badge {
    display: none;
    background: var(--danger);
    font-size: 0.7rem;
    margin-inline-start: 5px;
    padding: 2px 6px;
    border-radius: 999px;
    color: #fff;
    font-weight: 800;
}

/* ── Container ──────────────────────────────── */

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 1.75rem 2rem;
    padding-inline: max(1.25rem, env(safe-area-inset-left)) max(1.25rem, env(safe-area-inset-right));
}

.page-title {
    font-size: 1.9rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, #ffffff, #a0a8c0);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.5px;
}

.dashboard-grid {
    display: grid;
    gap: 1.5rem;
}

/* ── Category Filter Bar ────────────────────── */

.category-filter-bar {
    display: flex;
    gap: 0.6rem;
    flex-wrap: wrap;
    align-items: center;
}

.category-filter-bar .filter-btn {
    padding: 0.55rem 1.05rem;
    min-height: var(--tap-min);
    font-size: 0.85rem;
    border-radius: 50px;
    transition: all 0.2s ease;
    font-weight: 700;
}

.category-filter-bar .filter-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px var(--accent-glow);
}

.category-filter-bar .filter-btn.active {
    box-shadow: 0 4px 15px var(--accent-glow);
}

/* ── Device Grid ────────────────────────────── */

.devices-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 1.25rem;
}

.device-card {
    background: var(--bg-card);
    backdrop-filter: blur(10px) saturate(160%);
    -webkit-backdrop-filter: blur(10px) saturate(160%);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.35rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    min-height: 290px;
    gap: 0.75rem;
    transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.device-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 16px 35px rgba(0, 0, 0, 0.6);
    border-color: rgba(124, 77, 255, 0.45);
}

.device-card.busy {
    border-color: var(--danger);
    box-shadow: 0 0 20px var(--danger-dim);
}

.device-card.available {
    border-color: var(--success);
    box-shadow: 0 0 20px var(--success-dim);
}

.device-card.timer-alert {
    animation: flash-red 1s ease-in-out infinite;
}

.device-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.device-name {
    font-weight: 800;
    font-size: 1.15rem;
    letter-spacing: -0.3px;
}

.badge {
    padding: 0.25rem 0.8rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 800;
    letter-spacing: 0.3px;
}

.badge-available {
    background: var(--success-dim);
    color: var(--success);
    border: 1px solid rgba(0, 230, 118, 0.3);
}

.badge-busy {
    background: var(--danger-dim);
    color: var(--danger);
    border: 1px solid rgba(255, 82, 82, 0.3);
}

.device-info {
    text-align: center;
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 0.25rem;
}

.device-timer {
    font-size: 2rem;
    font-weight: 800;
    color: var(--warning);
    font-variant-numeric: tabular-nums;
    letter-spacing: 1px;
    font-family: ui-monospace, monospace, 'Cairo';
    direction: ltr;
    unicode-bidi: embed;
}

.device-price {
    font-size: 1.2rem;
    color: var(--success);
    font-weight: 800;
    margin-top: 0.25rem;
}

.device-rate {
    font-size: 0.9rem;
    color: var(--text-secondary);
    background: rgba(255, 255, 255, 0.03);
    padding: 0.4rem 0.6rem;
    border-radius: var(--radius-sm);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.device-actions {
    display: flex;
    gap: 0.6rem;
    margin-top: 0.25rem;
}

.device-actions .btn {
    flex: 1;
    padding: 0.7rem 0.8rem;
    min-height: var(--tap-min);
}

/* ── Buttons ────────────────────────────────── */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.6rem 1.2rem;
    min-height: var(--tap-min);
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-weight: 700;
    font-size: 0.9rem;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    white-space: nowrap;
    gap: 0.35rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent) 0%, #6236ff 100%);
    color: #fff;
    box-shadow: 0 4px 15px var(--accent-glow);
}

.btn-primary:hover {
    filter: brightness(1.1);
    box-shadow: 0 8px 25px rgba(124, 77, 255, 0.4);
    transform: translateY(-2px) scale(1.02);
}

.btn:active {
    transform: scale(0.98);
}

.btn-danger {
    background: var(--danger);
    color: #fff;
}

.btn-danger:hover {
    background: #e04040;
}

.btn-outline {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border);
}

.btn-outline:hover {
    color: var(--text-primary);
    border-color: var(--text-secondary);
}

.btn-sm {
    padding: 0.45rem 0.9rem;
    font-size: 0.8rem;
    min-height: var(--tap-min);
}

/* ── Cards ──────────────────────────────────── */

.card {
    background: var(--bg-card);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    box-shadow: var(--shadow);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.05) 0%, transparent 100%);
    pointer-events: none;
}

.card:hover {
    border-color: rgba(255, 255, 255, 0.2);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.8);
    transform: translateY(-2px);
}

.card-title {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

/* ── Forms ──────────────────────────────────── */

.form-card {
    border-color: var(--accent);
    box-shadow: 0 0 12px var(--accent-glow);
}

.form-row {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    align-items: flex-end;
}

.form-group {
    flex: 1;
    min-width: 140px;
}

input,
select,
textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    min-height: var(--tap-min);
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.95rem;
    transition: var(--transition);
}

input:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.form-group-btn {
    min-width: auto;
    flex: 0;
}

/* ── Tables ─────────────────────────────────── */

.table-wrap {
    overflow-x: auto;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    -webkit-overflow-scrolling: touch;
}

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

.data-table th {
    text-align: start;
    padding: 0.9rem 1.25rem;
    font-size: 0.85rem;
    font-weight: 800;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    background: rgba(0, 0, 0, 0.25);
    border-bottom: 1px solid var(--border);
    vertical-align: middle;
}

.data-table td {
    padding: 0.9rem 1.25rem;
    font-size: 0.95rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    vertical-align: middle;
}

.data-table tbody tr:nth-child(even) {
    background: rgba(255, 255, 255, 0.015);
}

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

.data-table tbody tr:hover {
    background: rgba(124, 77, 255, 0.06);
}

/* ── Invoice ────────────────────────────────── */

.invoice-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.invoice-header .page-title {
    margin-bottom: 0;
}

.session-info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
}

.info-item {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}

.info-label {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
}

.info-value {
    font-size: 1.1rem;
    font-weight: 700;
}

.info-value.highlight {
    color: var(--success);
    font-size: 1.3rem;
}

/* ── Totals ─────────────────────────────────── */

.totals-card {
    border-color: var(--accent);
}

.totals-grid {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.total-row {
    display: flex;
    justify-content: space-between;
    padding: 0.5rem 0;
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.total-row.grand-total {
    border-top: 2px solid var(--accent);
    padding-top: 0.8rem;
    margin-top: 0.3rem;
    font-size: 1.3rem;
    font-weight: 800;
    color: var(--accent);
}

/* ── Misc ───────────────────────────────────── */

.loading-spinner {
    text-align: center;
    padding: 3rem;
    color: var(--text-muted);
    font-size: 0.95rem;
}

.empty-msg {
    text-align: center;
    padding: 2rem;
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* ── Custom Modal ───────────────────────────── */

.modal-overlay {
    position: fixed;
    inset: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    transition: opacity 0.3s ease;
    padding: 1rem;
    padding: max(1rem, env(safe-area-inset-top)) max(1rem, env(safe-area-inset-right)) max(1rem, env(safe-area-inset-bottom)) max(1rem, env(safe-area-inset-left));
}

.modal-overlay.active {
    display: flex;
    opacity: 1;
}

.modal-card {
    background: rgba(22, 28, 45, 0.88);
    backdrop-filter: blur(16px) saturate(180%);
    -webkit-backdrop-filter: blur(16px) saturate(180%);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: var(--radius);
    padding: 2rem;
    width: 100%;
    max-width: 400px;
    max-height: min(90vh, 900px);
    overflow-y: auto;
    text-align: center;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.8);
    transform: translateY(20px);
    transition: transform 0.3s ease;
}

.modal-overlay.active .modal-card {
    transform: translateY(0);
}

.modal-title {
    font-size: 1.3rem;
    font-weight: 800;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.modal-text {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.modal-input-wrap {
    margin-bottom: 2rem;
}

.modal-input-wrap input {
    text-align: center;
    font-size: 1.2rem;
    font-weight: 700;
    letter-spacing: 2px;
    border-width: 2px;
}

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

.modal-actions .btn {
    flex: 1;
    min-width: 120px;
}

/* ── Pagination ──────────────────────────────── */

.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 1.5rem 0 0.5rem;
    flex-wrap: wrap;
}

.page-info {
    text-align: center;
    color: var(--text-muted);
    font-size: 0.85rem;
    margin-bottom: 0.75rem;
}

.pagination a,
.pagination span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: var(--tap-min);
    height: var(--tap-min);
    padding: 0 0.6rem;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.2s;
    border: 1px solid var(--border);
    background: var(--bg-card);
    color: var(--text-secondary);
}

.pagination a:hover {
    background: rgba(108, 92, 231, 0.15);
    border-color: var(--accent);
    color: var(--accent);
}

.pagination .page-current {
    background: linear-gradient(135deg, var(--accent), #b388ff);
    border-color: transparent;
    color: #fff;
}

.pagination .page-disabled {
    opacity: 0.35;
    cursor: not-allowed;
    pointer-events: none;
}

/* ── Footer ─────────────────────────────────── */

.app-footer {
    text-align: center;
    padding: 1.5rem;
    margin-top: 2rem;
    border-top: 1px solid var(--border);
    color: var(--text-muted);
    font-size: 0.9rem;
}

.app-footer .credit-name {
    color: var(--accent);
    font-weight: 700;
    letter-spacing: 0.5px;
}

/* ── Timer Alert ──────────────────────────────── */
@keyframes flash-red {
    0%, 100% { background: var(--bg-card); border-color: var(--danger); }
    50% { background: rgba(255, 82, 82, 0.2); border-color: #ff1744; box-shadow: 0 0 30px rgba(255, 82, 82, 0.4); }
}

/* ── Toast / pending orders ─────────────────── */

#global-orders-container {
    position: fixed;
    bottom: max(20px, env(safe-area-inset-bottom));
    inset-inline-start: max(20px, env(safe-area-inset-left));
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 10px;
    max-height: 80vh;
    overflow-y: auto;
    max-width: min(340px, calc(100vw - 40px));
}

.toast-card {
    background: var(--surface);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--accent);
    border-radius: var(--radius-sm);
    padding: 15px;
    box-shadow: var(--shadow);
    width: 100%;
    animation: slideIn 0.4s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    position: relative;
    overflow: hidden;
}

.toast-card::before {
    content: '';
    position: absolute;
    top: 0;
    inset-inline-start: 0;
    width: 4px;
    height: 100%;
    background: var(--accent);
}

/* ── Login page helpers ─────────────────────── */

.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    min-height: 100dvh;
    padding: 1.5rem;
}

.login-card {
    width: 100%;
    max-width: 400px;
    animation: fadeInUp 0.45s ease-out;
}

.login-header {
    text-align: center;
    margin-bottom: 2rem;
}

.login-logo {
    font-size: 3rem;
    margin-bottom: 0.5rem;
    filter: drop-shadow(0 0 18px var(--accent-glow));
}

.error-msg {
    background: var(--danger-dim);
    color: var(--danger);
    padding: 0.8rem;
    border-radius: var(--radius-sm);
    margin-bottom: 1rem;
    text-align: center;
    font-weight: 700;
    border: 1px solid var(--danger);
}

/* ── Scrollbars ─────────────────────────────── */

::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}
::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.2);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* ── Responsive ─────────────────────────────── */

@media (max-width: 1100px) {
    .nav-toggle {
        display: inline-flex;
        order: 2;
    }

    .nav-brand {
        order: 1;
    }

    .nav-user {
        order: 3;
        margin-inline-start: 0;
    }

    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        inset-inline: 0;
        flex-direction: column;
        align-items: stretch;
        background: rgba(10, 15, 29, 0.96);
        backdrop-filter: var(--glass-blur);
        -webkit-backdrop-filter: var(--glass-blur);
        border-bottom: 1px solid var(--border);
        padding: 0.75rem;
        max-height: min(70vh, 520px);
        overflow-y: auto;
        gap: 0.25rem;
        box-shadow: 0 16px 40px rgba(0, 0, 0, 0.55);
        z-index: 250;
    }

    .navbar.nav-open .nav-links {
        display: flex;
    }

    .nav-link {
        width: 100%;
        justify-content: flex-start;
        padding: 0.85rem 1rem;
        font-size: 1rem;
    }

    .live-clock {
        display: none;
    }

    .navbar {
        flex-wrap: wrap;
        padding-top: 0.4rem;
        padding-bottom: 0.4rem;
    }
}

@media (max-width: 1024px) {
    .container {
        padding: 1.25rem 1.25rem;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 1rem;
    }
    .devices-grid {
        grid-template-columns: 1fr;
    }
    .form-row, .session-update-form .form-row, .customer-add-grid {
        flex-direction: column;
        grid-template-columns: 1fr !important;
    }
    .form-group {
        min-width: 100%;
    }
    .card-row {
        grid-template-columns: 1fr !important;
    }
    .data-table th, .data-table td {
        padding: 0.75rem 0.85rem;
        font-size: 0.85rem;
    }
    .page-title {
        font-size: 1.45rem;
    }
    .user-badge .user-name {
        max-width: 110px;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }
    .card:hover,
    .device-card:hover {
        transform: none;
    }
    /* Mobile Chip Scrolling & Card Ergonomics */
    .category-filter-bar {
        display: flex !important;
        flex-wrap: nowrap !important;
        overflow-x: auto !important;
        -webkit-overflow-scrolling: touch;
        padding-bottom: 6px;
        scrollbar-width: none;
        gap: 0.4rem !important;
    }
    .category-filter-bar::-webkit-scrollbar {
        display: none;
    }
    .category-filter-bar .filter-btn {
        flex-shrink: 0;
        white-space: nowrap;
    }
    .shift-status-card {
        flex-direction: column !important;
        align-items: flex-start !important;
        gap: 1.25rem !important;
        padding: 1.2rem !important;
    }
    .shift-status-card .shift-status-content {
        gap: 1rem !important;
    }
    .shift-status-card > .btn {
        width: 100% !important;
        text-align: center;
        justify-content: center;
    }
    .admin-stats-card {
        flex-direction: column !important;
        align-items: flex-start !important;
        gap: 1.25rem !important;
    }
    .admin-stats-card > div:last-child {
        margin-right: 0 !important;
        width: 100%;
    }
    .admin-stats-card > div:last-child > .btn {
        width: 100% !important;
        text-align: center;
        justify-content: center;
    }
}

@media (max-width: 600px) {
    .session-info-grid {
        grid-template-columns: 1fr 1fr;
    }
    .nav-brand {
        font-size: 1.05rem;
    }
}

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

/* ── Lounge POS responsive polish ───────────────── */
.page-toolbar,
.customers-toolbar {
    min-width: 0;
}

.page-toolbar > *,
.customers-toolbar > * {
    min-width: 0;
}

.table-wrap {
    max-width: 100%;
    overscroll-behavior-inline: contain;
    scrollbar-color: rgba(192, 200, 223, 0.35) transparent;
}

.data-table {
    min-width: 640px;
}

.data-table th,
.data-table td {
    overflow-wrap: anywhere;
}

.modal-overlay {
    min-height: 100%;
    min-height: 100dvh;
    overflow-y: auto;
    overscroll-behavior: contain;
}

.modal-card {
    max-height: min(90vh, 900px);
    max-height: min(90dvh, 900px);
    overscroll-behavior: contain;
}

.device-qr-overlay {
    min-height: 100dvh;
    overflow-y: auto;
}

.device-qr-card {
    max-height: calc(100dvh - 2rem);
    overflow-y: auto;
}

.device-qr-close {
    min-width: var(--tap-min);
    min-height: var(--tap-min);
}

@media (min-width: 1280px) {
    .navbar {
        gap: 0.5rem;
        padding-inline: max(1rem, env(safe-area-inset-left)) max(1rem, env(safe-area-inset-right));
    }

    .nav-links {
        gap: 0.1rem;
    }

    .nav-link {
        padding-inline: 0.55rem;
        font-size: 0.82rem;
    }

    .nav-user {
        gap: 0.4rem;
    }
}

@media (max-width: 1100px) {
    .navbar.nav-open .nav-links {
        max-height: min(70dvh, 520px);
        padding-bottom: max(0.75rem, env(safe-area-inset-bottom));
    }
}

@media (max-width: 768px) {
    .card {
        padding: 1.1rem;
        border-radius: 16px;
    }

    .page-toolbar {
        align-items: stretch !important;
    }

    .page-toolbar > .page-title,
    .page-toolbar > h1,
    .page-toolbar > h2 {
        overflow-wrap: anywhere;
    }

    .shift-status-card,
    #admin-stats-card {
        align-items: stretch !important;
        flex-direction: column;
        gap: 1rem !important;
    }

    .shift-status-content {
        align-items: flex-start !important;
        gap: 0.85rem !important;
    }

    .shift-status-content > div:last-child {
        min-width: 0;
        overflow-wrap: anywhere;
    }

    #admin-stats-card > div {
        min-width: 0;
    }

    #admin-stats-card > div:last-child {
        margin-inline-start: 0 !important;
        flex-wrap: wrap;
    }

    .customers-toolbar {
        align-items: stretch !important;
        flex-direction: column;
    }

    .customers-toolbar input {
        max-width: none !important;
    }

    .devices-form-row {
        grid-template-columns: minmax(0, 1fr) !important;
    }

    .orders-grid {
        grid-template-columns: minmax(0, 1fr) !important;
    }

    .data-table {
        min-width: 680px;
    }

    .devices-table-wrap .data-table {
        min-width: 850px;
    }

    .modal-overlay {
        align-items: flex-start;
    }

    .modal-card {
        margin-block: auto;
        padding: 1.25rem;
        width: 100%;
    }

    .modal-actions {
        gap: 0.6rem;
    }

    .modal-actions .btn {
        min-width: min(120px, 100%);
    }
}

@media (max-width: 480px) {
    .container {
        padding-inline: max(0.75rem, env(safe-area-inset-left)) max(0.75rem, env(safe-area-inset-right));
    }

    .navbar {
        padding-inline: max(0.7rem, env(safe-area-inset-left)) max(0.7rem, env(safe-area-inset-right));
        gap: 0.45rem;
    }

    .nav-user {
        gap: 0.35rem;
    }

    .nav-user > .badge {
        max-width: 76px;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

    .user-badge .user-name {
        max-width: 82px;
    }

    .page-title {
        font-size: 1.3rem;
        line-height: 1.35;
    }

    .page-toolbar > .btn,
    .page-toolbar > a.btn,
    .page-toolbar > button.btn {
        width: 100%;
        white-space: normal;
    }

    .shift-status-card {
        padding: 1rem !important;
    }

    .data-table {
        min-width: 640px;
    }

    .devices-table-wrap .data-table {
        min-width: 820px;
    }

    .device-qr-card {
        width: 100% !important;
        padding: 1rem !important;
        margin-block: auto;
    }
}

@media (max-width: 390px) {
    .nav-brand {
        font-size: 0.95rem;
    }

    .user-badge .user-name {
        max-width: 64px;
    }

    .nav-user .btn {
        padding-inline: 0.55rem;
    }

    .category-filter-bar {
        gap: 0.35rem;
    }

    .category-filter-bar .filter-btn {
        padding-inline: 0.7rem;
    }

    .device-actions {
        flex-wrap: wrap;
    }

    .device-actions .btn {
        min-width: 100%;
    }

    .modal-card {
        padding: 1rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    .card:hover,
    .device-card:hover,
    .btn-primary:hover,
    .category-filter-bar .filter-btn:hover {
        transform: none;
    }
}

/* ── Screen: Hide receipt on screen ─────────── */
.receipt-print-wrapper {
    display: none;
}

/* ── Print Media Styles (Thermal POS + A4/A5) ── */
@media print {
    @page {
        margin: 4mm 6mm;
        size: auto;
    }

    *, *::before, *::after {
        background: transparent !important;
        color: #000000 !important;
        box-shadow: none !important;
        text-shadow: none !important;
        filter: none !important;
    }

    body {
        background: #ffffff !important;
        color: #000000 !important;
        font-family: 'Cairo', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif !important;
        font-size: 11pt;
        line-height: 1.35;
        margin: 0 !important;
        padding: 0 !important;
        direction: rtl;
    }

    .navbar,
    .app-footer,
    .btn,
    .btn-primary,
    .btn-outline,
    .btn-danger,
    .modal-overlay,
    .modal-card,
    .no-print,
    .screen-only,
    .invoice-header,
    .session-update-form,
    .card-row,
    .form-card,
    .checkout-actions,
    .session-info-grid,
    .totals-card,
    .empty-msg,
    .skip-link,
    .nav-toggle,
    .lang-toggle,
    form,
    button {
        display: none !important;
    }

    .container {
        max-width: 100% !important;
        width: 100% !important;
        margin: 0 !important;
        padding: 0 !important;
    }

    .receipt-print-wrapper {
        display: block !important;
        width: 100% !important;
        max-width: 78mm !important;
        margin: 0 auto !important;
        padding: 2mm 1mm !important;
        background: #ffffff !important;
        color: #000000 !important;
        box-sizing: border-box;
        page-break-inside: avoid;
    }

    .receipt-header {
        text-align: center;
        border-bottom: 2px dashed #000;
        padding-bottom: 6px;
        margin-bottom: 8px;
    }

    .receipt-brand {
        font-size: 14pt;
        font-weight: 800;
        margin: 0 0 2px 0;
        color: #000 !important;
    }

    .receipt-title {
        font-size: 11pt;
        font-weight: 700;
        margin: 2px 0;
    }

    .receipt-sub {
        font-size: 9.5pt;
        color: #333 !important;
    }

    .receipt-meta {
        font-size: 9pt;
        margin-bottom: 8px;
        border-bottom: 1px dashed #000;
        padding-bottom: 6px;
    }

    .receipt-meta-row {
        display: flex;
        justify-content: space-between;
        margin-bottom: 3px;
    }

    .receipt-table {
        width: 100%;
        border-collapse: collapse;
        font-size: 9pt;
        margin-bottom: 8px;
    }

    .receipt-table th {
        border-bottom: 1px solid #000;
        padding: 3px 1px;
        text-align: right;
        font-weight: 700;
        font-size: 9pt;
    }

    .receipt-table th:last-child,
    .receipt-table td:last-child {
        text-align: left;
    }

    .receipt-table td {
        padding: 3px 1px;
        border-bottom: 1px dotted #aaa;
        font-size: 9pt;
    }

    .receipt-totals {
        border-top: 2px dashed #000;
        padding-top: 6px;
        margin-top: 4px;
        font-size: 9.5pt;
    }

    .receipt-total-row {
        display: flex;
        justify-content: space-between;
        margin-bottom: 3px;
    }

    .receipt-grand-total {
        font-size: 13pt;
        font-weight: 800;
        border-top: 1px solid #000;
        border-bottom: 2px solid #000;
        padding: 5px 0;
        margin: 5px 0;
    }

    .receipt-footer {
        text-align: center;
        margin-top: 10px;
        padding-top: 6px;
        border-top: 1px dashed #000;
        font-size: 8.5pt;
    }
}