/* ============================================================
           ✨ تحسينات الواجهة — حافظت على الخط (Tajawal) واللون (#00B894)
           ============================================================ */

        :root {
            --brand: #00B894;
            --brand-2: #4AB04F;
            --brand-soft: #e6fffa;
            --brand-dark: #047857;
            --orange: #F58220;
            --shadow-sm: 0 1px 2px rgba(15,23,42,0.04), 0 1px 3px rgba(15,23,42,0.06);
            --shadow-md: 0 4px 6px -1px rgba(15,23,42,0.06), 0 2px 4px -2px rgba(15,23,42,0.05);
            --shadow-lg: 0 12px 24px -8px rgba(15,23,42,0.12), 0 4px 8px -4px rgba(15,23,42,0.08);
            --shadow-brand: 0 8px 24px -8px rgba(0,184,148,0.35);
        }

        body {
            background: linear-gradient(180deg, #fafdf9 0%, #f8fafc 100%);
            font-feature-settings: "kern" 1, "liga" 1;
            -webkit-font-smoothing: antialiased;
        }

        /* Custom scrollbar */
        ::-webkit-scrollbar { width: 6px; height: 6px; }
        ::-webkit-scrollbar-track { background: transparent; }
        ::-webkit-scrollbar-thumb { background: #cbd5e1; border-radius: 3px; }
        ::-webkit-scrollbar-thumb:hover { background: var(--brand); }

        /* ============ بطاقات المنتجات ============ */
        .fv-container {
            background: #fff;
            border-radius: 22px;
            padding: 14px 12px 12px;
            border: 1.5px solid #f1f5f9;
            box-shadow: var(--shadow-sm);
            transition: transform .25s cubic-bezier(.34,1.56,.64,1), box-shadow .25s, border-color .25s;
            cursor: pointer;
            overflow: hidden;
        }
        .fv-container:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); border-color: #d1fae5; }
        .fv-container:active { transform: translateY(-1px) scale(0.99); }
        .fv-container.\!border-green-500 { border-color: var(--brand) !important; background: linear-gradient(180deg, #ecfdf5, #fff); }

        .fv-main-img {
            width: 88px; height: 88px; object-fit: contain;
            margin: 4px auto 8px;
            filter: drop-shadow(0 3px 6px rgba(0,0,0,0.06));
            transition: transform .3s ease;
        }
        .fv-container:hover .fv-main-img { transform: scale(1.06) rotate(-2deg); }

        .fv-name {
            font-size: 0.92rem;
            font-weight: 700;
            color: #1e293b;
            line-height: 1.3;
            min-height: 2.6em;
        }
        .fv-price { color: var(--brand-dark); font-weight: 700; font-size: 0.85rem; }

        .fv-add-button {
            margin-top: 10px;
            background: linear-gradient(135deg, var(--brand) 0%, var(--brand-dark) 100%);
            color: #fff;
            padding: 9px 8px;
            border-radius: 14px;
            font-weight: 800;
            font-size: 0.85rem;
            box-shadow: 0 4px 10px rgba(0,184,148,0.25);
            transition: all .2s;
            letter-spacing: -0.01em;
        }
        .fv-container:hover .fv-add-button { box-shadow: 0 6px 16px rgba(0,184,148,0.4); }
        .fv-add-button:active { transform: scale(0.96); }

        /* ============ Bottom Navigation ============ */
        .bottom-nav {
            position: fixed;
            bottom: 0; left: 0; right: 0;
            background: rgba(255,255,255,0.92);
            backdrop-filter: blur(22px) saturate(180%);
            -webkit-backdrop-filter: blur(22px) saturate(180%);
            border-top: 1px solid rgba(0,184,148,0.08);
            box-shadow: 0 -12px 40px -8px rgba(15,23,42,0.08), 0 -2px 6px rgba(15,23,42,0.04);
            padding: 8px 10px max(18px, env(safe-area-inset-bottom));
            z-index: 1000;
            display: flex;
            justify-content: space-around;
            align-items: stretch;
            gap: 4px;
        }
        .nav-item {
            position: relative;
            flex: 1;
            padding: 8px 4px 6px;
            border-radius: 18px;
            display: flex !important;
            flex-direction: column;
            align-items: center;
            gap: 5px;
            color: #94a3b8;
            font-size: 0.72rem;
            font-weight: 700;
            background: none;
            border: none;
            transition: color .25s, transform .15s;
            overflow: visible;
        }
        .nav-item span {
            transition: opacity .25s, transform .25s;
            letter-spacing: -0.01em;
        }
        .nav-icon-wrap {
            width: 48px; height: 32px;
            display: flex; align-items: center; justify-content: center;
            border-radius: 14px;
            transition: all .35s cubic-bezier(.34,1.56,.64,1);
            position: relative;
        }
        .nav-item i {
            font-size: 1.2rem;
            transition: transform .35s cubic-bezier(.34,1.56,.64,1), color .25s;
        }
        .nav-item:active { transform: scale(0.92); }

        .nav-item.active {
            color: var(--brand-dark);
        }
        .nav-item.active .nav-icon-wrap {
            background: linear-gradient(135deg, var(--brand-soft) 0%, #d1fae5 100%);
            box-shadow: 0 6px 14px -3px rgba(0,184,148,0.3), inset 0 1px 0 rgba(255,255,255,0.7);
        }
        .nav-item.active i {
            color: var(--brand-dark);
            transform: translateY(-1px) scale(1.08);
        }
        .nav-item.active span { font-weight: 800; }
        .nav-item.active::before {
            content: '';
            position: absolute;
            top: -2px; left: 50%;
            width: 32px; height: 3px;
            background: linear-gradient(90deg, var(--brand), var(--brand-dark));
            border-radius: 0 0 6px 6px;
            transform: translateX(-50%);
            box-shadow: 0 2px 8px rgba(0,184,148,0.5);
            animation: nav-indicator-in .35s ease-out;
        }
        @keyframes nav-indicator-in {
            from { transform: translateX(-50%) scaleX(0.3); opacity: 0; }
            to { transform: translateX(-50%) scaleX(1); opacity: 1; }
        }
        /* مؤشر شارة (مثل سلة، عدد طلبات نشطة) */
        .nav-badge {
            position: absolute;
            top: 4px; right: calc(50% - 22px);
            min-width: 16px; height: 16px;
            padding: 0 5px;
            background: linear-gradient(135deg, #f97316, #ef4444);
            color: #fff;
            font-size: 9px;
            font-weight: 900;
            border-radius: 999px;
            display: flex;
            align-items: center;
            justify-content: center;
            border: 2px solid #fff;
            box-shadow: 0 2px 6px rgba(239,68,68,0.4);
            animation: nav-badge-pop .3s cubic-bezier(.34,1.56,.64,1);
        }
        @keyframes nav-badge-pop {
            from { transform: scale(0); }
            to { transform: scale(1); }
        }

        /* ============ Toggle Buttons (categories) ============ */
        .btn-toggle {
            padding: 10px 18px;
            border-radius: 14px;
            border: 1.5px solid #e2e8f0;
            font-weight: 700;
            font-size: 0.9rem;
            background: #fff;
            color: #475569;
            cursor: pointer;
            transition: all .25s;
            white-space: nowrap;
        }
        .btn-toggle:hover { border-color: var(--brand); color: var(--brand); transform: translateY(-1px); }
        .btn-toggle.active {
            background: linear-gradient(135deg, var(--brand), var(--brand-dark));
            color: #fff;
            border-color: transparent;
            box-shadow: var(--shadow-brand);
        }

        /* ============ Spec Buttons ============ */
        .spec-btn {
            padding: 9px 18px;
            border-radius: 14px;
            border: 1.5px solid #e2e8f0;
            background: #fff;
            font-size: 0.9rem;
            font-weight: 600;
            color: #475569;
            transition: all .2s;
        }
        .spec-btn:hover { border-color: var(--brand); }
        .spec-btn.active {
            background: linear-gradient(135deg, #ecfdf5, #d1fae5);
            border-color: var(--brand);
            color: var(--brand-dark);
            font-weight: 800;
            box-shadow: 0 2px 8px rgba(0,184,148,0.12);
        }

        /* ============ Modal Custom ============ */
        .modal-custom {
            border-radius: 32px 32px 0 0;
            box-shadow: 0 -20px 60px -10px rgba(15,23,42,0.18), 0 -2px 8px rgba(15,23,42,0.04);
            padding: 22px 18px max(24px, env(safe-area-inset-bottom));
            background: linear-gradient(180deg, #ffffff 0%, #fafdfb 100%);
        }
        .modal-custom:has(.modal-footer) {
            padding-bottom: 0;
        }
        .modal-custom::before {
            content: '';
            display: block;
            width: 44px; height: 5px;
            background: #cbd5e1;
            border-radius: 3px;
            margin: -10px auto 18px;
            opacity: 0.6;
        }
        @keyframes slideUp {
            from { transform: translateY(100%); opacity: 0; }
            to { transform: translateY(0); opacity: 1; }
        }

        /* ============ Modal Sticky Footer ============ */
        .modal-footer {
            position: sticky;
            bottom: 0;
            margin: 18px -18px 0;
            padding: 14px 18px max(22px, env(safe-area-inset-bottom));
            background: linear-gradient(to top,
                rgba(255,255,255,1) 65%,
                rgba(255,255,255,0.92) 100%);
            -webkit-backdrop-filter: blur(12px);
            backdrop-filter: blur(12px);
            border-top: 1px solid rgba(226,232,240,0.7);
            z-index: 10;
        }
        .modal-footer-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 0 4px 10px;
            font-size: 0.92rem;
        }
        .modal-footer-meta .label { color: #64748b; font-weight: 600; }
        .modal-footer-meta .value { font-weight: 800; font-size: 1.35rem; color: var(--brand-dark); letter-spacing: -0.02em; }

        /* ============ Modal Header ============ */
        .modal-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 22px;
            gap: 12px;
        }

        /* ============ Modal Icon Buttons (Close / Back) ============ */
        .modal-icon-btn {
            width: 38px; height: 38px;
            min-width: 38px;
            border-radius: 14px;
            background: #f1f5f9;
            color: #64748b;
            display: flex; align-items: center; justify-content: center;
            transition: all .25s cubic-bezier(.34,1.56,.64,1);
            border: 1px solid transparent;
            font-size: 0.95rem;
            cursor: pointer;
        }
        .modal-icon-btn.close:hover {
            background: #fee2e2;
            color: #dc2626;
            transform: rotate(90deg);
            border-color: rgba(220,38,38,0.18);
        }
        .modal-icon-btn.back:hover {
            background: var(--brand-soft);
            color: var(--brand);
            transform: translateX(2px);
            border-color: rgba(0,184,148,0.2);
        }
        .modal-icon-btn:active { transform: scale(0.92); }

        /* ============ Cart Modal: scrollable middle ============ */
        #cart-modal {
            display: flex;
            flex-direction: column;
            overflow: hidden;
        }
        #cart-modal .modal-header {
            flex: 0 0 auto;
            margin-bottom: 0;
            padding-bottom: 14px;
            border-bottom: 1px solid rgba(226,232,240,0.7);
        }
        #cart-modal .modal-body {
            flex: 1 1 auto;
            min-height: 0;
            overflow-y: auto;
            padding-top: 18px;
            margin: 0 -18px;
            padding-left: 18px;
            padding-right: 18px;
            -webkit-overflow-scrolling: touch;
        }
        #cart-modal .modal-footer {
            flex: 0 0 auto;
            margin-top: 0;
        }

        /* ============ Modal Action Buttons ============ */
        .btn-modal-primary {
            width: 100%;
            background: linear-gradient(135deg, var(--brand) 0%, var(--brand-dark) 100%);
            color: #fff;
            padding: 15px 20px;
            border-radius: 18px;
            font-weight: 800;
            font-size: 1.05rem;
            box-shadow: 0 8px 22px -4px rgba(0,184,148,0.42), 0 2px 6px rgba(0,184,148,0.18);
            transition: all .25s;
            letter-spacing: -0.01em;
        }
        .btn-modal-primary:hover { transform: translateY(-1px); box-shadow: 0 12px 28px -4px rgba(0,184,148,0.5); }
        .btn-modal-primary:active { transform: scale(0.98); }
        .btn-modal-primary:disabled { opacity: 0.5; cursor: not-allowed; box-shadow: none; transform: none; }

        .btn-modal-secondary {
            width: 100%;
            background: #f8fafc;
            color: #475569;
            padding: 15px 20px;
            border-radius: 18px;
            font-weight: 700;
            font-size: 1.05rem;
            transition: all .2s;
            border: 1.5px solid #e2e8f0;
        }
        .btn-modal-secondary:hover { background: #f1f5f9; color: #1e293b; border-color: #cbd5e1; }
        .btn-modal-secondary:active { transform: scale(0.98); }

        .btn-modal-danger {
            width: 100%;
            background: linear-gradient(135deg, #ef4444, #dc2626);
            color: #fff;
            padding: 15px 20px;
            border-radius: 18px;
            font-weight: 800;
            font-size: 1.05rem;
            box-shadow: 0 8px 22px -4px rgba(239,68,68,0.4);
            transition: all .25s;
        }
        .btn-modal-danger:hover { transform: translateY(-1px); box-shadow: 0 12px 28px -4px rgba(239,68,68,0.5); }
        .btn-modal-danger:active { transform: scale(0.98); }

        .btn-modal-dark {
            width: 100%;
            background: linear-gradient(135deg, #1e293b, #0f172a);
            color: #fff;
            padding: 15px 20px;
            border-radius: 18px;
            font-weight: 800;
            font-size: 1.05rem;
            box-shadow: 0 8px 22px -4px rgba(15,23,42,0.3);
            transition: all .25s;
        }
        .btn-modal-dark:hover { transform: translateY(-1px); box-shadow: 0 12px 28px -4px rgba(15,23,42,0.42); }
        .btn-modal-dark:active { transform: scale(0.98); }
        .btn-modal-dark:disabled { opacity: 0.5; cursor: not-allowed; box-shadow: none; transform: none; }

        .btn-modal-link {
            width: 100%;
            background: transparent;
            color: #64748b;
            padding: 12px;
            font-weight: 700;
            font-size: 0.95rem;
            transition: color .2s;
        }
        .btn-modal-link:hover { color: var(--brand-dark); }