/* ===== RESET & BASE ===== */
        
:root {
    /* ═══ لوحة الألوان الموحدة — عدّل هنا لتغيير هوية المنصة كاملة ═══ */
    --gold: #cfa776;
    --gold-deep: #b48554;
    --gold-bright: #d4b15a;
    --bg: #0b0e17;
    --bg-2: #121824;
    --text: #f0f4fa;
    --text-muted: #b8c5dc;   /* مفتّح عن السابق لتحسين تباين النصوص الصغيرة */
    --danger: #dc3545;
    --danger-soft: #f87171;
    --success: #28a745;
    --warning: #ffc107;
    /* ═══ مقياس الانحناء الموحد (4 قيم فقط) ═══ */
    --radius-xs: 4px;
    --radius-sm: 10px;
    --radius-md: 20px;
    --radius-lg: 30px;
    --radius-xl: 40px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
        html, body {
            width: 100%; max-width: 100vw; overflow-x: hidden;
            font-family: 'Tajawal', sans-serif;
            background: var(--bg); color: var(--text);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        /* ===== إزالة كل ما يسبب الاهتزاز ===== */
        .glow-bg, .glow-bg span, .login-card, .dashboard-panel, .tool-card,
        .btn-primary, .btn-outline, .btn-guide, .link-btn, .calc-btn,
        .todo-item, .appointment-item, .header-bar, .quick-links-panel,
        .login-btn, .logout-btn, .renew-link, .relogin-btn,
        .session-expired-card, .service-block, .settings-overlay, .settings-card {
            transform: none !important;
            -webkit-transform: none !important;
            will-change: auto !important;
            backface-visibility: visible !important;
            -webkit-backface-visibility: visible !important;
            animation: none !important;
            transition: none !important;
        }

        /* ===== خلفية ثابتة ===== */
        .glow-bg {
            position: fixed; width: 100%; height: 100%; top: 0; left: 0;
            pointer-events: none; z-index: 0; overflow: hidden;
        }
        .glow-bg span {
            position: absolute;
            border-radius: 50%;
            filter: blur(80px);
            opacity: 0.20;
            background: radial-gradient(circle, rgba(180,133,84,0.12) 0%, transparent 70%);
        }
        .glow-bg span:nth-child(1) { top: -100px; right: -100px; width: 500px; height: 500px; }
        .glow-bg span:nth-child(2) { bottom: -150px; left: -150px; width: 600px; height: 600px; background: radial-gradient(circle, rgba(100,150,200,0.06) 0%, transparent 70%); }
        .glow-bg span:nth-child(3) { top: 30%; left: 30%; width: 300px; height: 300px; background: radial-gradient(circle, rgba(180,133,84,0.08) 0%, transparent 70%); }

        /* ===== شاشة الدخول ===== */
        .login-overlay {
            position: fixed; inset: 0;
            background: rgba(6,9,15,0.92); backdrop-filter: blur(12px);
            display: none; align-items: center; justify-content: center;
            z-index: 2000;
        }
        .login-overlay.show { display: flex; }
        .login-card {
            background: rgba(18,24,36,0.92);
            backdrop-filter: blur(12px);
            padding: 1.8rem 1.5rem;
            border-radius: var(--radius-lg);
            width: 90%; max-width: 360px;
            text-align: center;
            border: 2px solid rgba(180,133,84,0.2);
            box-shadow: 0 15px 35px -10px rgba(0,0,0,0.6);
        }
        .login-card h2 {
            font-size: 1.5rem; font-weight: 900; color: var(--gold-bright);
            margin-bottom: 0.3rem;
        }
        .login-card p {
            font-size: 0.9rem; color: var(--text-muted); margin-bottom: 1.2rem;
        }
        .login-icon { font-size: 2.5rem; color: var(--gold); margin-bottom: 0.5rem; }
        .login-input {
            width: 100%; padding: 0.8rem 1rem;
            background: rgba(10,14,23,0.8);
            border: 2px solid rgba(180,133,84,0.2);
            border-radius: var(--radius-lg);
            font-family: 'Inter', sans-serif;
            font-size: 1rem;
            text-align: center;
            direction: ltr;
            color: var(--text);
            margin-bottom: 1rem;
        }
        .login-input:focus {
            outline: none; border-color: var(--gold-deep);
            box-shadow: 0 0 0 3px rgba(180,133,84,0.15);
        }
        .password-wrapper {
            position: relative; width: 100%; margin-bottom: 1rem;
        }
        .password-wrapper .login-input { margin-bottom: 0; padding-left: 45px; }
        .toggle-password {
            position: absolute; left: 15px; top: 50%;
            transform: translateY(-50%);
            background: none; border: none;
            color: var(--text-muted); cursor: pointer;
            font-size: 1.1rem; padding: 5px;
        }
        .toggle-password:hover { color: var(--gold); }
        .login-btn {
            width: 100%; padding: 0.9rem;
            background: rgba(180,133,84,0.18);
            border: 2px solid rgba(180,133,84,0.25);
            border-radius: var(--radius-lg);
            font-family: 'Tajawal', sans-serif;
            font-size: 1.1rem; font-weight: 700;
            color: var(--gold); cursor: pointer;
            display: flex; align-items: center;
            justify-content: center; gap: 0.5rem;
        }
        .login-btn:hover { background: rgba(180,133,84,0.35); border-color: var(--gold-deep); }
        .whatsapp-link {
            display: block; margin-top: 0.8rem;
            font-size: 0.8rem; color: var(--gold);
            text-decoration: none; opacity: 0.8;
        }
        .whatsapp-link:hover { opacity: 1; text-decoration: underline; }
        .error-msg { color: var(--danger-soft); margin-top: 0.8rem; font-weight: 600; font-size: 0.85rem; }
        .error-msg a { color: var(--gold); text-decoration: underline; }

        /* ===== رسالة انتهاء الجلسة ===== */
        .session-expired-overlay {
            position: fixed; inset: 0;
            background: rgba(6,9,15,0.92); backdrop-filter: blur(12px);
            display: none; align-items: center; justify-content: center;
            z-index: 3000;
        }
        .session-expired-overlay.show { display: flex; }
        .session-expired-card {
            background: rgba(18,24,36,0.92);
            backdrop-filter: blur(12px);
            padding: 2rem 1.5rem;
            border-radius: var(--radius-lg);
            width: 90%; max-width: 400px;
            text-align: center;
            border: 2px solid var(--danger-soft);
            box-shadow: 0 15px 35px -10px rgba(0,0,0,0.6);
        }
        .session-expired-card h2 { color: #fca5a5; font-size: 1.4rem; margin-bottom: 0.5rem; }
        .session-expired-card p { color: var(--text-muted); margin-bottom: 1.5rem; font-size: 0.95rem; }
        .renew-link, .relogin-btn {
            display: inline-block;
            padding: 0.7rem 1.8rem;
            border-radius: var(--radius-lg);
            font-family: 'Tajawal', sans-serif;
            font-weight: 700; font-size: 0.95rem;
            cursor: pointer; margin: 0.3rem;
            border: 2px solid rgba(180,133,84,0.25);
            text-decoration: none;
        }
        .renew-link {
            background: rgba(180,133,84,0.18); color: var(--gold);
        }
        .renew-link:hover { background: rgba(180,133,84,0.35); border-color: var(--gold-deep); }
        .relogin-btn {
            background: transparent; color: var(--text);
            border-color: rgba(255,255,255,0.2);
        }
        .relogin-btn:hover { background: rgba(255,255,255,0.05); border-color: rgba(255,255,255,0.3); }

        /* ===== لوحة التحكم ===== */
        .dashboard {
            max-width: 1400px; width: 100%;
            margin: 1.5rem auto; padding: 0 1rem;
            position: relative; z-index: 10;
            display: none;
            flex: 1;
        }
        .dashboard.show { display: block; }

        /* ===== الشريط العلوي ===== */
        .header-bar {
            display: flex; justify-content: space-between; align-items: center;
            background: rgba(18,24,36,0.85);
            backdrop-filter: blur(12px);
            border: 2px solid rgba(180,133,84,0.15);
            border-radius: var(--radius-xl);
            padding: 0.6rem 1.2rem;
            margin-bottom: 1.5rem;
            flex-wrap: wrap;
            gap: 0.8rem;
        }
        .datetime {
            display: flex; gap: 1.2rem;
            color: var(--text-muted); font-family: 'Inter', sans-serif;
            font-size: 0.85rem;
        }
        .datetime i { color: var(--gold); margin-left: 0.3rem; }
        .header-title {
            font-weight: 800; font-size: 1.1rem;
            color: var(--gold);
            text-align: center;
        }
        .user-profile {
            display: flex; align-items: center; gap: 1rem;
            flex-wrap: wrap;
        }
        .user-name {
            font-weight: 700; color: var(--text);
            display: flex; align-items: center; gap: 0.4rem;
            font-size: 0.9rem;
        }
        .user-name i { color: var(--gold); }
        .logout-btn, .settings-btn {
            background: rgba(255,255,255,0.03);
            border: 1px solid rgba(180,133,84,0.2);
            border-radius: var(--radius-lg);
            padding: 0.3rem 1rem;
            color: var(--text-muted);
            font-weight: 600; cursor: pointer;
            font-family: 'Tajawal', sans-serif;
            font-size: 0.85rem;
            display: flex; align-items: center; gap: 0.3rem;
        }
        .logout-btn:hover { background: rgba(180,133,84,0.15); color: var(--danger-soft); border-color: var(--danger-soft); }
        .settings-btn:hover { background: rgba(180,133,84,0.15); color: var(--gold); border-color: var(--gold); }

        /* ===== شريط تثبيت التطبيق (PWA) ===== */
        #installBanner {
            display: none;
            background: rgba(18,24,36,0.9);
            backdrop-filter: blur(12px);
            border-radius: var(--radius-md);
            padding: 0.8rem 1.2rem;
            margin-bottom: 1.2rem;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            flex-wrap: wrap;
            border: 2px solid rgba(180,133,84,0.2);
        }
        #installBanner .banner-text {
            color: var(--gold);
            font-weight: 700;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        #installBanner .banner-actions {
            display: flex;
            gap: 0.5rem;
            flex-wrap: wrap;
        }
        #installBanner .banner-actions .btn-primary {
            padding: 0.5rem 1.5rem;
        }
        #installBanner .banner-actions .btn-outline {
            padding: 0.5rem 1rem;
        }

        /* ===== الشبكة الرئيسية: أدوات يسار، خدمات يمين ===== */
        .main-dashboard {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 1.2rem;
            margin-bottom: 1.5rem;
        }
        .dashboard-panel {
            background: rgba(22,30,46,0.7);
            backdrop-filter: blur(12px);
            border: 2px solid rgba(180,133,84,0.12);
            border-radius: var(--radius-lg);
            padding: 1.2rem;
            box-shadow: 0 10px 25px -8px rgba(0,0,0,0.4);
        }
        .panel-header {
            display: flex; align-items: center; gap: 0.5rem;
            font-size: 1.1rem; font-weight: 800;
            color: var(--gold);
            border-bottom: 2px solid rgba(180,133,84,0.12);
            padding-bottom: 0.5rem;
            margin-bottom: 0.8rem;
        }
        .panel-header i { color: var(--gold); font-size: 1.2rem; }

        /* ===== الأدوات (اليسار) ===== */
        .tools-category { margin-bottom: 1.2rem; }
        .tools-category:last-child { margin-bottom: 0; }
        .category-title {
            font-size: 0.95rem; font-weight: 800;
            color: var(--gold);
            display: flex; align-items: center; gap: 0.5rem;
            margin-bottom: 0.6rem;
            padding-right: 0.6rem;
            border-right: 3px solid var(--gold-deep);
        }
        .category-title i { color: var(--gold-deep); font-size: 1rem; }
        .tools-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
            gap: 0.6rem;
        }
        .tool-card {
            background: rgba(15,20,30,0.5);
            border: 1px solid rgba(180,133,84,0.1);
            border-radius: var(--radius-md);
            padding: 1rem 0.4rem;
            text-align: center;
            cursor: pointer;
        }
        .tool-card:hover { border-color: var(--gold-deep); background: rgba(20,28,44,0.7); }
        .tool-card i {
            font-size: 1.8rem;
            color: var(--gold);
            display: block; margin-bottom: 0.4rem;
        }
        .tool-card h4 {
            font-size: 0.8rem; font-weight: 700;
            color: var(--text); line-height: 1.3;
        }

        /* ===== الخدمات (اليمين) ===== */
        .services-grid {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .service-block {
            background: rgba(15,20,30,0.4);
            border-radius: var(--radius-md);
            padding: 0.8rem 0.8rem 0.6rem;
            border: 1px solid rgba(180,133,84,0.08);
        }
        .service-block .panel-header {
            border-bottom: 1px solid rgba(180,133,84,0.1);
            margin-bottom: 0.5rem;
            padding-bottom: 0.3rem;
            font-size: 1rem;
        }

        /* ===== المهام ===== */
        .input-group {
            display: flex; gap: 0.5rem; margin-bottom: 0.5rem;
        }
        .input-group input {
            flex: 1; padding: 0.5rem 0.8rem;
            border: 2px solid rgba(180,133,84,0.2);
            border-radius: var(--radius-lg);
            background: rgba(10,14,23,0.6);
            color: var(--text);
            font-family: 'Tajawal', sans-serif;
            font-size: 0.85rem;
            outline: none;
        }
        .input-group input:focus { border-color: var(--gold-deep); box-shadow: 0 0 0 3px rgba(180,133,84,0.15); }
        .btn-primary {
            background: rgba(180,133,84,0.18);
            border: 2px solid rgba(180,133,84,0.2);
            border-radius: var(--radius-lg);
            padding: 0.4rem 1rem;
            color: var(--gold);
            font-weight: 700;
            cursor: pointer;
            font-family: 'Tajawal', sans-serif;
            font-size: 0.85rem;
            display: inline-flex;
            align-items: center; gap: 0.3rem;
            white-space: nowrap;
        }
        .btn-primary:hover { background: rgba(180,133,84,0.3); border-color: var(--gold-deep); }
        .btn-outline {
            background: transparent;
            border: 1px solid rgba(180,133,84,0.2);
            border-radius: var(--radius-lg);
            padding: 0.3rem 0.8rem;
            color: var(--text-muted);
            font-weight: 600;
            cursor: pointer;
            font-family: 'Tajawal', sans-serif;
            font-size: 0.75rem;
            display: inline-flex;
            align-items: center; gap: 0.3rem;
        }
        .btn-outline:hover { background: rgba(180,133,84,0.1); border-color: var(--gold-deep); color: var(--gold); }

        .todo-list {
            max-height: 120px; overflow-y: auto;
            margin-bottom: 0.3rem;
        }
        .todo-list::-webkit-scrollbar { width: 4px; }
        .todo-list::-webkit-scrollbar-thumb { background: rgba(180,133,84,0.3); border-radius: var(--radius-sm); }
        .todo-item {
            background: rgba(10,14,23,0.5);
            border: 1px solid rgba(180,133,84,0.1);
            border-radius: var(--radius-lg);
            padding: 0.35rem 0.7rem;
            margin-bottom: 0.25rem;
            display: flex; align-items: center;
            justify-content: space-between;
        }
        .todo-text { display: flex; align-items: center; gap: 0.5rem; flex: 1; }
        .todo-text input[type="checkbox"] {
            width: 15px; height: 15px;
            accent-color: var(--gold-deep); cursor: pointer;
        }
        .completed { text-decoration: line-through; color: var(--text-muted); }
        .delete-btn { color: var(--text-muted); cursor: pointer; padding: 0 0.2rem; font-size: 0.8rem; }
        .delete-btn:hover { color: var(--danger-soft); }
        .stats-bar {
            display: flex; justify-content: space-between;
            color: var(--text-muted); font-size: 0.75rem;
            padding-top: 0.3rem;
            border-top: 1px solid rgba(180,133,84,0.08);
        }

        /* ===== الحاسبة ===== */
        #calcDisplay {
            width: 100%; padding: 0.5rem 0.7rem;
            background: rgba(10,14,23,0.7);
            border: 2px solid rgba(180,133,84,0.2);
            border-radius: var(--radius-lg);
            font-size: 1.2rem; text-align: left; direction: ltr;
            color: var(--gold);
            font-family: 'Inter', monospace;
            margin-bottom: 0.5rem;
            outline: none;
        }
        /* إضافة dir=ltr للحافظة على ترتيب الأزرار بغض النظر عن RTL */
        .calc-buttons {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 0.3rem;
            direction: ltr; /* يثبت الترتيب */
        }
        .calc-btn {
            background: rgba(15,20,30,0.7);
            border: 1px solid rgba(180,133,84,0.15);
            border-radius: var(--radius-md);
            padding: 0.5rem 0;
            font-size: 0.85rem; font-weight: 600;
            cursor: pointer; color: var(--text);
            font-family: 'Tajawal', sans-serif;
            text-align: center;
        }
        .calc-btn:hover { background: rgba(180,133,84,0.15); border-color: var(--gold-deep); }
        .calc-btn.operator { color: var(--gold); font-weight: 700; }
        .calc-btn.equals {
            background: rgba(180,133,84,0.2);
            color: #fff; grid-column: span 4;
            border-color: rgba(180,133,84,0.3);
        }
        .calc-btn.equals:hover { background: rgba(180,133,84,0.35); }

        /* ===== الملاحظات ===== */
        textarea {
            width: 100%; padding: 0.4rem 0.7rem;
            border: 2px solid rgba(180,133,84,0.2);
            border-radius: var(--radius-md);
            background: rgba(10,14,23,0.6);
            color: var(--text);
            font-family: 'Tajawal', sans-serif;
            font-size: 0.8rem;
            resize: vertical; min-height: 60px;
            outline: none;
        }
        textarea:focus { border-color: var(--gold-deep); box-shadow: 0 0 0 3px rgba(180,133,84,0.15); }
        .action-bar {
            display: flex; gap: 0.3rem; flex-wrap: wrap;
            margin: 0.3rem 0;
        }

        /* ===== المواعيد ===== */
        .appointment-form {
            display: flex; flex-direction: column;
            gap: 0.3rem; margin-bottom: 0.5rem;
        }
        .appointment-form input, .appointment-form textarea {
            padding: 0.4rem 0.7rem;
            border: 2px solid rgba(180,133,84,0.2);
            border-radius: var(--radius-lg);
            background: rgba(10,14,23,0.6);
            color: var(--text);
            font-family: 'Tajawal', sans-serif;
            font-size: 0.8rem;
            outline: none;
        }
        .appointment-form input:focus, .appointment-form textarea:focus {
            border-color: var(--gold-deep);
            box-shadow: 0 0 0 3px rgba(180,133,84,0.15);
        }
        .appointments-list {
            max-height: 100px; overflow-y: auto;
            margin-bottom: 0.3rem;
        }
        .appointments-list::-webkit-scrollbar { width: 4px; }
        .appointments-list::-webkit-scrollbar-thumb { background: rgba(180,133,84,0.3); border-radius: var(--radius-sm); }
        .appointment-item {
            background: rgba(10,14,23,0.5);
            border-right: 3px solid var(--gold-deep);
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            padding: 0.35rem 0.6rem;
            margin-bottom: 0.25rem;
            display: flex; justify-content: space-between;
            align-items: center;
        }
        .appointment-info { display: flex; flex-direction: column; gap: 0.1rem; flex: 1; }
        .appointment-date {
            font-weight: 800; color: var(--gold);
            font-size: 0.65rem;
        }
        .appointment-title { font-weight: 700; color: var(--text); font-size: 0.8rem; }
        .appointment-desc {
            font-size: 0.7rem; color: var(--text-muted);
        }

        /* ===== الروابط السريعة ===== */
        .quick-links-panel {
            background: rgba(18,24,36,0.8);
            backdrop-filter: blur(12px);
            border: 2px solid rgba(180,133,84,0.12);
            border-radius: var(--radius-lg);
            padding: 1rem;
            text-align: center;
            margin-top: 1.5rem;
        }
        .quick-links-title {
            font-weight: 800; font-size: 1rem;
            color: var(--gold);
            display: flex; align-items: center;
            justify-content: center; gap: 0.5rem;
            margin-bottom: 0.6rem;
        }
        .links-row {
            display: flex; flex-wrap: wrap;
            gap: 0.5rem; justify-content: center;
        }
        .link-btn {
            background: rgba(255,255,255,0.02);
            border: 1px solid rgba(180,133,84,0.15);
            border-radius: var(--radius-lg);
            padding: 0.3rem 1rem;
            color: var(--text-muted);
            text-decoration: none;
            font-weight: 600; font-size: 0.75rem;
        }
        .link-btn:hover { background: rgba(180,133,84,0.1); border-color: var(--gold-deep); color: var(--gold); }

        /* ===== الفوتر ===== */
        footer {
            text-align: center; padding: 1rem;
            color: var(--text-muted); font-size: 0.75rem;
            margin-top: auto;
        }
        footer span { color: var(--gold); font-weight: 700; }

        .btn-guide {
            display: inline-flex; align-items: center;
            gap: 0.4rem;
            background: rgba(180,133,84,0.18);
            border: 2px solid rgba(180,133,84,0.25);
            border-radius: var(--radius-lg);
            padding: 0.2rem 0.8rem;
            color: var(--gold);
            font-weight: 700; font-size: 0.8rem;
            text-decoration: none;
            cursor: pointer;
        }
        .btn-guide:hover { background: rgba(180,133,84,0.3); border-color: var(--gold-deep); }

        /* ===== نافذة الإعدادات ===== */
        .settings-overlay {
            position: fixed; inset: 0;
            background: rgba(6,9,15,0.92); backdrop-filter: blur(12px);
            display: none; align-items: center; justify-content: center;
            z-index: 2500;
        }
        .settings-overlay.show { display: flex; }
        .settings-card {
            background: rgba(18,24,36,0.96);
            backdrop-filter: blur(12px);
            padding: 1.8rem;
            border-radius: var(--radius-lg);
            width: 90%; max-width: 420px;
            border: 2px solid rgba(180,133,84,0.2);
            box-shadow: 0 15px 35px -10px rgba(0,0,0,0.6);
            max-height: 90vh;
            overflow-y: auto;
        }
        .settings-card h2 {
            font-size: 1.5rem; font-weight: 900; color: var(--gold-bright);
            margin-bottom: 1.2rem;
            display: flex; align-items: center; gap: 0.5rem;
            justify-content: center;
        }
        .settings-group {
            margin-bottom: 1.5rem;
            border-bottom: 1px solid rgba(180,133,84,0.15);
            padding-bottom: 1.2rem;
        }
        .settings-group:last-child { border-bottom: none; margin-bottom: 0; }
        .settings-group label {
            display: block; font-weight: 700; color: var(--gold);
            margin-bottom: 0.3rem; font-size: 0.95rem;
        }
        .settings-group .input-group {
            display: flex; gap: 0.5rem; flex-wrap: wrap;
        }
        .settings-group .input-group select,
        .settings-group .input-group input {
            flex: 1; padding: 0.5rem 0.8rem;
            background: rgba(10,14,23,0.8);
            border: 2px solid rgba(180,133,84,0.2);
            border-radius: var(--radius-lg);
            color: var(--text);
            font-family: 'Tajawal', sans-serif;
            font-size: 0.9rem;
            outline: none;
        }
        .settings-group .input-group select:focus,
        .settings-group .input-group input:focus {
            border-color: var(--gold-deep);
            box-shadow: 0 0 0 3px rgba(180,133,84,0.15);
        }
        .settings-group .input-group select option { background: var(--bg); }
        .settings-actions {
            display: flex; gap: 0.5rem; margin-top: 0.8rem;
            flex-wrap: wrap;
        }
        .settings-actions .btn-primary { flex: 1; }
        .settings-actions .btn-outline { flex: 1; }
        .settings-card .close-settings {
            margin-top: 1rem; width: 100%;
        }

        /* ===================================================
           تحسينات الجوال
           =================================================== */
        @media (max-width: 1024px) {
            .main-dashboard {
                grid-template-columns: 1fr;
            }
            .tools-grid {
                grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
            }
        }

        @media (max-width: 768px) {
            .header-bar {
                flex-direction: column;
                align-items: stretch;
                text-align: center;
                border-radius: var(--radius-lg);
                padding: 0.6rem 1rem;
            }
            .datetime {
                justify-content: center;
                font-size: 0.75rem;
                gap: 0.6rem;
                flex-wrap: wrap;
            }
            .user-profile {
                justify-content: center;
                width: 100%;
            }
            .main-dashboard {
                gap: 1rem;
            }
            .tools-grid {
                grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
            }
            .tool-card i { font-size: 1.4rem; }
            .tool-card h4 { font-size: 0.7rem; }
            .dashboard { padding: 0 0.6rem; margin: 1rem auto; }
            .service-block { padding: 0.6rem 0.6rem 0.4rem; }
            .calc-btn { font-size: 0.8rem; padding: 0.4rem 0; }
            .service-block .panel-header { font-size: 0.9rem; }
            #installBanner { flex-direction: column; align-items: stretch; text-align: center; }
            #installBanner .banner-actions { justify-content: center; }
            .settings-card { padding: 1.2rem; }
        }

        @media (max-width: 400px) {
            .tools-grid {
                grid-template-columns: repeat(auto-fill, minmax(90px, 1fr));
            }
            .tool-card { padding: 0.5rem 0.2rem; }
            .tool-card i { font-size: 1.2rem; }
            .tool-card h4 { font-size: 0.65rem; }
            .login-card { padding: 1.2rem 1rem; }
            .login-card h2 { font-size: 1.2rem; }
        }

        ::-webkit-scrollbar { width: 4px; height: 4px; }
        ::-webkit-scrollbar-track { background: rgba(10,14,23,0.3); }
        ::-webkit-scrollbar-thumb { background: rgba(180,133,84,0.3); border-radius: var(--radius-sm); }
    

/* ===== منسدلة اللغة في الهيدر (كرة أرضية) ===== */
.lang-switcher {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    background: rgba(18, 24, 36, 0.85);
    border: 1px solid rgba(180, 133, 84, 0.35);
    border-radius: var(--radius-xl);
    padding: 0.25rem 0.7rem;
}
.lang-switcher i { color: var(--gold); font-size: 0.85rem; }
.lang-switcher select {
    background: transparent; border: none; outline: none;
    color: var(--text); font-family: inherit; font-size: 0.82rem;
    cursor: pointer; padding: 0.1rem 0.15rem;
}
.lang-switcher select option { background: var(--bg-2); color: var(--text); }

/* منسدلة اللغة في شاشة الدخول — أكبر قليلاً لتسهيل اللمس */
.lang-switcher-lg {
    padding: 0.45rem 1rem;
    border-radius: var(--radius-xl);
}
.lang-switcher-lg i { font-size: 1rem; }
.lang-switcher-lg select { font-size: 0.95rem; min-height: 44px; }