/* ==========================================================================
   المخطط الشامل - ملف الأنماط الرئيسي (main-styles.css)

   الفهرس:
   1. SETTINGS       - متغيرات CSS (ألوان، خطوط، إلخ.)
   2. BASE           - التنسيقات الأساسية (body, a, etc.)
   3. LAYOUT         - مكونات الهيكل العام (header, footer, containers)
   4. COMPONENTS     - مكونات واجهة المستخدم (buttons, cards, forms)
   5. PAGE-SPECIFIC  - تنسيقات خاصة بكل صفحة (homepage, dashboard, etc.)
   6. RESPONSIVE     - كود التجاوبية مع الشاشات المختلفة
   7. DARK MODE      - الوضع الليلي والتصميم الجديد للجداول
   ========================================================================== */


/* ==========================================================================
   1. SETTINGS - المتغيرات العامة
   ========================================================================== */

:root {
    /* الوضع الفاتح (الافتراضي) */
    --color-primary: #3498db;
    --color-primary-hover: #2980b9;
    --color-secondary: #1abc9c;
    --color-secondary-hover: #16a085;
    --color-text: #333;
    --color-text-dark: #2c3e50;
    --color-text-light: #7f8c8d;
    --color-text-inverse: #ffffff;
    --color-bg: #f4f7f6; /* لون الخلفية الفاتح */
    --color-bg-light: #ffffff; /* لون البطاقة الفاتح */
    --color-bg-dark: #2c3e50;
    --color-bg-subtle: #f7f9fb;
    --color-success: #2ecc71;
    --color-success-dark: #27ae60; /* ✅ تمت الإضافة */
    --color-error: #e74c3c;
    --color-error-dark: #c0392b;
    --color-info: #3498db;
    --color-warning: #f39c12;
    --border-color: #ddd;
    --border-radius-sm: 5px;
    --border-radius-md: 8px;
    --border-radius-lg: 10px;
    --font-family-base: 'Arial', sans-serif;
    --box-shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
    --box-shadow-md: 0 4px 10px rgba(0, 0, 0, 0.08);

    /* متغيرات الوضعين (تستخدم في الكود الجديد) */
    --bg-color: var(--color-bg);
    --card-bg: var(--color-bg-light);
    --text-color: var(--color-text);
    --primary-color: var(--color-primary);
    --input-bg: var(--color-bg-light);
    --input-padding: 12px 10px;

    /* متغيرات التحذير (للصندوق الأصفر في الشروط) */
    --warning-bg: #fffbe6;
    --warning-border: #ffe58f;
    --warning-text: #8a6d3b;

}

/* الوضع الليلي */
.dark-mode {
    --color-primary: #58c7b1;
    --color-primary-hover: #48a698; /* ✅ تم التعديل */
    --color-secondary: #26a69a;
    --color-secondary-hover: #00897b;
    --color-text: #c9d1d9;
    --color-text-dark: #f0f6fc;
    --color-text-light: #8b949e;
    --color-bg: #0d1117;
    --color-bg-light: #161b22;
    --color-bg-dark: #1f242c;
    --color-bg-subtle: #1a1f27;
    --border-color: #30363d;
    --box-shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.2);
    --box-shadow-md: 0 4px 10px rgba(0, 0, 0, 0.4);
    --input-bg: var(--color-bg-light);
    --color-error: #ff7b72; /* لون أحمر أفتح لليلي */
    --color-warning: #f7d37a; /* لون أصفر أفتح لليلي */

    /* تحديث متغيرات الوضعين */
    --bg-color: var(--color-bg);
    --card-bg: var(--color-bg-light);
    --text-color: var(--color-text);
    --primary-color: var(--color-primary);

    /* متغيرات التحذير للوضع الليلي */
    --warning-bg: #2a2c1f;
    --warning-border: #a08c3a;
    --warning-text: #d4c87b;
}


/* ==========================================================================
   2. BASE - التنسيقات الأساسية
   ========================================================================== */
body {
    font-family: var(--font-family-base);
    margin: 0;
    padding: 0;
    background-color: var(--bg-color);
    color: var(--text-color);
    direction: rtl;
    text-align: right;
    line-height: 1.6;
    transition: background-color 0.4s ease, color 0.4s ease;
}
body.transitioning * {
    transition: background-color 0.4s ease, color 0.4s ease, border-color 0.4s ease, box-shadow 0.4s ease !important;
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.3s;
}

a:hover {
    color: var(--color-primary-hover);
}


/* ==========================================================================
   3. LAYOUT - مكونات الهيكل العام
   ========================================================================== */
.main-header {
    background-color: var(--color-bg-dark);
    color: var(--color-text-inverse);
    padding: 10px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.15);
    position: sticky;
    top: 0;
    z-index: 1000;
    height: 60px;
    box-sizing: border-box;
}

.logo-link {
     display: inline-flex;
     align-items: center;
     height: 100%;
}

.logo-link .logo-image {
    height: 40px;
    width: auto;
    display: block;
    vertical-align: middle;
}

.logo {
    font-size: 1.6em;
    font-weight: bold;
    color: #ecf0f1;
}

.main-nav {
    display: flex;
    align-items: center;
}

.main-nav > ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    gap: 20px;
    align-items: center;
}

.main-nav a {
    color: var(--color-text-inverse);
    font-size: 1em;
    padding: 5px 10px;
    display: block;
}

.main-nav a:hover {
    color: var(--color-secondary);
}

.auth-actions {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-left: auto;
    padding-left: 20px;
}

.auth-actions a {
    color: var(--color-text-inverse);
    padding: 5px 10px;
    font-size: 1em;
    white-space: nowrap;
}

.auth-actions a.nav-cta {
    background-color: var(--color-secondary);
    border-radius: var(--border-radius-sm);
    padding: 8px 15px;
    transition: background-color 0.3s;
}

.auth-actions a.nav-cta:hover {
    background-color: var(--color-secondary-hover);
    color: var(--color-text-inverse);
}


.content-section {
    padding: 20px;
    max-width: 960px;
    margin: 20px auto;
}

/* تم إزالة أنماط الفوتر من هنا، يفترض أن تكون في ملفات HTML */
/* للحفاظ على الأنماط الخاصة بكل ملف HTML */


/* ==========================================================================
   4. COMPONENTS - مكونات واجهة المستخدم
   ========================================================================== */

/* --- البطاقات --- */
.section-card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: 25px;
    margin-bottom: 25px;
    box-shadow: var(--box-shadow-sm);
    transition: background-color 0.4s ease, border-color 0.4s ease;
}

.section-card h1, .section-card h2 {
    color: var(--text-color);
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 10px;
    margin-top: 0;
    margin-bottom: 20px;
    font-size: 1.5em;
}
.section-card h1 {
    font-size: 1.8em;
}


/* --- النماذج وحقول الإدخال --- */
.input-form .form-group,
.input-form .input-group {
    margin-bottom: 15px;
}
.input-form label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
    color: var(--text-color);
    font-size: 0.95em;
}

input[type="number"],
input[type="text"],
input[type="date"],
input[type="url"],
input[type="email"],
input[type="password"],
select,
textarea {
    width: 100%;
    padding: var(--input-padding);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    font-size: 1em;
    box-sizing: border-box;
    background-color: var(--input-bg);
    color: var(--text-color);
    transition: border-color 0.3s, box-shadow 0.3s;
}
input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(52, 152, 219, 0.2);
}
.dark-mode input:focus, .dark-mode select:focus, .dark-mode textarea:focus {
    box-shadow: 0 0 0 2px rgba(88, 199, 177, 0.3);
}

.input-group-row {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    align-items: flex-end;
}
.input-group-row .form-group,
.input-group-row .input-group {
    flex: 1;
    min-width: 150px;
    margin-bottom: 0;
}


/* --- الأزرار --- */
.cta-button, .cta-button-secondary, .cta-button-danger {
    display: inline-block;
    width: 100%;
    padding: 12px 25px;
    border-radius: var(--border-radius-sm);
    font-size: 1em;
    font-weight: bold;
    margin-top: 15px;
    transition: background-color 0.3s, transform 0.1s ease;
    border: none;
    cursor: pointer;
    text-align: center;
    box-sizing: border-box;
    text-decoration: none;
}

.cta-button {
    background-color: var(--color-secondary);
    color: var(--color-text-inverse);
}
.cta-button:hover {
    background-color: var(--color-secondary-hover);
    transform: translateY(-1px);
}

.cta-button-secondary {
    background-color: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
    padding: 10px 23px;
}
.cta-button-secondary:hover {
    background-color: var(--primary-color);
    color: var(--color-text-inverse);
}

.cta-button-danger {
     background-color: var(--color-error);
     color: var(--color-text-inverse);
     padding: 8px 15px;
     font-size: 0.9em;
}
.cta-button-danger:hover {
     background-color: var(--color-error-dark);
}

/* ✅ زر تسجيل الخروج الموحد (لصفحة Profile) */
.logout-link.cta-button {
    background-color: var(--color-warning);
    color: var(--color-text-dark); /* نص داكن على الأصفر */
}
.dark-mode .logout-link.cta-button {
     background-color: #d89614; /* لون أغمق قليلاً لليلي */
     color: var(--color-text-inverse);
}
.logout-link.cta-button:hover {
     background-color: #c0392b;
     transform: translateY(-1px);
}

.cta-button.loading, .cta-button-secondary.loading, .cta-button-danger.loading {
    opacity: 0.7;
    cursor: wait;
    position: relative;
    color: transparent !important;
}
.cta-button.loading::after, .cta-button-secondary.loading::after, .cta-button-danger.loading::after {
    content: '';
    display: block;
    width: 1.2em;
    height: 1.2em;
    border-radius: 50%;
    border: 2px solid currentColor;
    border-top-color: transparent;
    animation: spin 0.6s linear infinite;
    position: absolute;
    left: 50%;
    top: 50%;
    margin-left: -0.6em;
    margin-top: -0.6em;
    color: var(--color-text-inverse);
}
.cta-button-secondary.loading::after {
    color: var(--primary-color);
}


/* --- الإشعارات (Toast) --- */
#toast-container { position: fixed; top: 20px; left: 50%; transform: translateX(-50%); z-index: 2000; display: flex; flex-direction: column; align-items: center; gap: 10px; }
.toast { padding: 12px 20px; border-radius: var(--border-radius-md); color: var(--color-text-inverse); font-size: 1em; opacity: 0; transform: translateY(-20px); transition: opacity 0.3s ease, transform 0.3s ease; box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1); }
.toast.show { opacity: 1; transform: translateY(0); }
.toast.success { background-color: var(--color-success); }
.toast.error { background-color: var(--color-error); }
.toast.info { background-color: var(--color-info); }

/* --- مؤشر التحميل --- */
#loader { position: fixed; top: 50%; left: 50%; transform: translate(-50%, -50%); background: rgba(0,0,0,0.7); color: white; padding: 20px 30px; border-radius: 8px; z-index: 10001; font-size: 1.1em; display: none; }

/* --- أشرطة التقدم --- */
.progress-bar-container { width: 100%; margin: 10px 0; background-color: var(--border-color); border-radius: var(--border-radius-lg); height: 15px; overflow: hidden; box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.1); }
.progress-bar { height: 100%; background-color: var(--color-success); transition: width 0.5s ease-in-out; border-radius: var(--border-radius-lg); }

/* --- الأيقونات والأزرار الصغيرة الموحدة (Icon Buttons) --- */
/* ✅ أنماط موحدة لأزرار الأيقونات الصغيرة (مستخدمة في habits, meals, purchases, cleaning, selfcare) */
.icon-btn, .subtask-action-btn { 
    background: none; 
    border: none; 
    cursor: pointer; 
    font-size: 1.3em; 
    padding: 5px; 
    opacity: 0.7; 
    transition: opacity 0.2s, color 0.2s; 
    line-height: 1; 
}
.icon-btn:hover, .subtask-action-btn:hover { opacity: 1; }
.icon-btn.edit-btn, .subtask-action-btn.edit-subtask-btn { color: var(--color-secondary); }
.icon-btn.delete-btn, .subtask-action-btn.delete-subtask-btn { color: var(--color-error); }
.icon-btn.edit-btn:hover, .subtask-action-btn.edit-subtask-btn:hover { color: var(--primary-color); }
.icon-btn.delete-btn:hover, .subtask-action-btn.delete-subtask-btn:hover { color: var(--color-error-dark); }
.icon-btn:disabled, .icon-btn:disabled:hover { opacity: 0.4; cursor: not-allowed; }


/* --- مؤشرات الأداء (KPIs) الموحدة --- */
/* ✅ أنماط موحدة لمؤشرات KPI (مستخدمة في budget, reports) */
.kpi-indicator { width: 10px; height: 10px; border-radius: 50%; display: inline-block; margin-left: 8px; }
.kpi-good, .kpi-indicator.kpi-good, .report-item.success { background-color: var(--color-success); color: var(--color-success); }
.kpi-warning, .kpi-indicator.kpi-warning, .report-item.warning { background-color: var(--color-warning); color: var(--color-warning); }
.kpi-bad, .kpi-indicator.kpi-bad, .report-item.error { background-color: var(--color-error); color: var(--color-error); }


/* --- الحالات الخاصة --- */
.empty-state { text-align: center; padding: 40px 20px; background-color: var(--color-bg-subtle); border: 2px dashed var(--border-color); border-radius: var(--border-radius-lg); margin-top: 20px; }
.empty-state h3 { color: var(--text-color); }
.empty-state p { color: var(--text-light); }
.error-state { text-align: center; padding: 40px 20px; background-color: rgba(231, 76, 60, 0.05); border: 2px dashed var(--color-error); border-radius: var(--border-radius-lg); margin: 20px 0; }
.error-state h3 { color: var(--color-error-dark); }
.error-state p { color: var(--text-light); }
.skeleton { background-color: rgba(128, 128, 128, 0.1); border-radius: 4px; animation: shimmer 1.5s infinite linear; background-image: linear-gradient(90deg, rgba(128, 128, 128, 0.1) 0px, rgba(128, 128, 128, 0.2) 40px, rgba(128, 128, 128, 0.1) 80px); background-size: 600px 100%; }
.dark-mode .skeleton { background-color: rgba(255, 255, 255, 0.1); background-image: linear-gradient(90deg, rgba(255, 255, 255, 0.1) 0px, rgba(255, 255, 255, 0.15) 40px, rgba(255, 255, 255, 0.1) 80px); }
.skeleton-text { width: 100%; height: 16px; margin-bottom: 8px; }
.skeleton-text-short { width: 60%; height: 16px; }
.skeleton-title { width: 40%; height: 24px; margin-bottom: 15px; }
.skeleton-circle { width: 150px; height: 150px; border-radius: 50%; margin: 20px auto; }
@keyframes shimmer { 0% { background-position: -600px 0; } 100% { background-position: 600px 0; } }

/* --- النوافذ المنبثقة (Modal) --- */
.edit-modal { display: none; position: fixed; z-index: 1010; left: 0; top: 0; width: 100%; height: 100%; overflow: auto; background-color: rgba(0,0,0,0.6); justify-content: center; align-items: center; padding: 20px; }
.edit-modal-content { background-color: var(--card-bg); margin: auto; padding: 25px; border-radius: var(--border-radius-lg); box-shadow: 0 5px 15px rgba(0,0,0,0.3); width: 100%; max-width: 500px; animation: slide-down 0.3s ease-out; }
.dark-mode .edit-modal-content { box-shadow: 0 5px 15px rgba(0,0,0,0.6); }
@keyframes slide-down { from { transform: translateY(-30px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }
.modal-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 20px; }


/* ==========================================================================
   5. PAGE-SPECIFIC - تنسيقات خاصة بالصفحات
   ========================================================================== */

/* --- الصفحة الرئيسية (Homepage) --- */
.hero-section { background: linear-gradient(135deg, var(--color-bg-dark), var(--color-primary)); color: var(--color-text-inverse); text-align: center; padding: 80px 20px; }
#welcome-title { font-size: 2.8em; font-weight: bold; margin: 0 0 15px; line-height: 1.2; color: var(--color-text-inverse); border: none; }
.hero-subtitle { font-size: 1.2em; color: #ecf0f1; max-width: 600px; margin: 0 auto 30px; }
.hero-button { font-size: 1.2em; padding: 15px 35px; box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2); width: auto; }
.hero-button:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(0, 0, 0, 0.25); }
.features-section .section-title { text-align: center; font-size: 2.2em; margin-bottom: 15px; color: var(--text-color); border: none; }
.features-section .section-description { text-align: center; font-size: 1.1em; color: var(--text-light); max-width: 600px; margin: 0 auto 50px; }
.features-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 25px; }
.feature-card { background-color: var(--card-bg); border-radius: var(--border-radius-lg); padding: 30px; text-align: center; box-shadow: 0 5px 15px rgba(0, 0, 0, 0.07); transition: transform 0.3s ease, box-shadow 0.3s ease; border-top: 4px solid var(--color-primary); }
.feature-card:hover { transform: translateY(-8px); box-shadow: 0 12px 25px rgba(0, 0, 0, 0.1); }
.feature-card h3 { font-size: 1.4em; color: var(--text-color); margin-top: 15px; margin-bottom: 10px; }

/* --- المصادقة (Authentication) --- */
.auth-container { display: flex; justify-content: center; align-items: center; min-height: calc(100vh - 140px); padding: 20px; }
.auth-card { width: 100%; max-width: 450px; margin: 0; }
.auth-switch { text-align: center; margin-top: 20px; }
.error-text, #error-message, #reset-error-message, #change-password-error, #delete-error { color: var(--color-error); text-align: center; margin-top: 15px; font-size: 0.9em; display: none; }
#access-denied-message { text-align: center; padding: 50px; color: var(--color-error); font-size: 1.2em; border: 1px dashed var(--color-error); margin: 20px auto; border-radius: var(--border-radius-md); background-color: rgba(231, 76, 60, 0.05); max-width: 960px; }
.password-input-wrapper { position: relative; }
.password-toggle-icon { position: absolute; left: 10px; top: 50%; transform: translateY(-50%); cursor: pointer; color: var(--text-light); font-size: 1.2em; user-select: none; }

/* --- الأهداف (Goals) --- */
.goal-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 20px; margin-top: 20px; }
.goal-card { background-color: var(--card-bg); border-radius: var(--border-radius-md); padding: 20px; box-shadow: var(--box-shadow-sm); border-right: 5px solid var(--color-primary); position: relative; } /* ✅ تمت إضافة position: relative */
.goal-card.completed { border-right-color: var(--color-success); }
.goal-card.completed .progress-bar { background-color: var(--color-success); }
.goal-category { font-size: 0.8em; color: var(--text-light); background-color: var(--color-bg-subtle); padding: 2px 6px; border-radius: var(--border-radius-sm); display: inline-block; margin-right: 8px; }

/* --- الجداول (Tables) --- */
.expense-table-container { overflow-x: auto; }
.data-table { width: 100%; border-collapse: collapse; margin-top: 20px; }
.data-table th, .data-table td { border: 1px solid var(--border-color); padding: 10px 12px; text-align: right; vertical-align: middle; }
.data-table th { background-color: var(--color-bg-subtle); color: var(--primary-color); font-weight: bold; font-size: 0.9em; text-transform: uppercase; }
.data-table tbody tr:nth-child(even) { background-color: var(--color-bg-subtle); }
.data-table td span { display: block; }
.data-table .delete-btn, .data-table .edit-btn { margin-right: 5px; padding: 5px 8px; font-size: 0.85em; }

/* --- الأصول والديون (Assets & Debts) --- */
.summary-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 15px; margin-top: 20px; text-align: center; }
.summary-item { background-color: var(--color-bg-subtle); border-radius: var(--border-radius-md); padding: 15px; box-shadow: var(--box-shadow-sm); }
.summary-item h3, .summary-item h4 { margin: 0 0 8px 0; font-size: 0.9em; color: var(--text-light); }
.summary-value { font-size: 1.6em; font-weight: bold; margin: 0; }
.total-assets-card { border-bottom: 5px solid var(--color-success); }
.total-debts-card { border-bottom: 5px solid var(--color-error); }
.net-worth-card { border-bottom: 5px solid var(--color-primary); }

/* --- الوجبات (Meals) --- */
.meal-plan-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 20px; margin-top: 20px; }
.meal-day-card { background-color: var(--card-bg); border: 1px solid var(--border-color); border-radius: var(--border-radius-md); padding: 20px; box-shadow: var(--box-shadow-sm); display: flex; flex-direction: column; gap: 15px; }
.meal-day-card h3 { margin-top: 0; color: var(--text-color); border-bottom: 2px solid var(--primary-color); padding-bottom: 10px; margin-bottom: 5px; }
.meal-item { position: relative; background-color: var(--bg-color); border-radius: 6px; border: 1px solid var(--border-color); padding: 10px; }
.meal-item label { font-weight: bold; font-size: 0.95em; color: var(--primary-color); display: block; margin-bottom: 8px; }
.meal-details { display: grid; grid-template-columns: 70px 1fr 1fr; gap: 5px; margin-top: 5px; }
.daily-calories-total { margin-top: 10px; padding-top: 10px; border-top: 1px dashed var(--border-color); text-align: center; font-weight: bold; color: var(--text-color); font-size: 1.1em; }
.daily-calories-total span { color: var(--color-success); }

/* --- المخططات (Charts) --- */
.chart-container { position: relative; height: 250px; width: 100%; margin: 15px 0; }
.chart-container-large { position: relative; height: 350px; width: 100%; margin: 20px 0; }

/* --- القوائم المنسدلة (Dropdown Navigation) --- */
.main-nav .dropdown { position: relative; }
.main-nav .dropdown > a::after { content: ' ▼'; font-size: 0.7em; display: inline-block; margin-right: 5px; transition: transform 0.3s ease; }
.main-nav .dropdown-menu { position: absolute; top: 100%; right: 0; background-color: var(--color-bg-dark); list-style: none; padding: 10px 0; margin: 0; min-width: 200px; border-radius: 0 0 var(--border-radius-md) var(--border-radius-md); box-shadow: 0 8px 16px rgba(0,0,0,0.2); z-index: 100; opacity: 0; visibility: hidden; transform: translateY(10px); transition: opacity 0.3s ease, transform 0.3s ease, visibility 0.3s; }
.main-nav .dropdown-menu a { display: block; padding: 10px 20px; white-space: nowrap; }
.main-nav .dropdown-menu a:hover { background-color: #34495e; color: var(--color-secondary); }
.main-nav .dropdown:hover .dropdown-menu { opacity: 1; visibility: visible; transform: translateY(0); }
.main-nav .dropdown:hover > a::after { transform: rotate(180deg); }


/* ==========================================================================
   6. RESPONSIVE - كود التجاوبية
   ========================================================================== */

/* --- قائمة التنقل في الجوال --- */
.menu-toggle { display: none; background: none; border: none; cursor: pointer; padding: 5px; z-index: 1001; }
.hamburger { display: block; width: 25px; height: 3px; background-color: var(--color-text-inverse); position: relative; transition: background-color 0.3s ease-in-out; }
.hamburger::before, .hamburger::after { content: ''; display: block; width: 25px; height: 3px; background-color: var(--color-text-inverse); position: absolute; transition: transform 0.3s ease-in-out, top 0.3s ease-in-out; left: 0; }
.hamburger::before { top: -8px; }
.hamburger::after { top: 8px; }

@media (max-width: 992px) {
    .main-nav > ul:not(#main-nav-links),
    .auth-actions { display: none; }
    .menu-toggle { display: block; }
    .main-nav { display: block; position: absolute; top: 100%; right: 0; width: 100%; background-color: var(--color-bg-dark); box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2); max-height: 0; overflow-y: auto; transition: max-height 0.3s ease-in-out; }
    .main-nav.open { max-height: calc(100vh - 60px); }
    .main-nav.open > ul#main-nav-links { display: flex; flex-direction: column; padding: 10px 0; gap: 0; }
    .main-nav.open li { border-bottom: 1px solid #34495e; }
    .main-nav.open li:last-child { border-bottom: none; }
    .main-nav.open a { display: block; padding: 12px 25px; }
    .main-nav .dropdown:hover .dropdown-menu { max-height: 0; }
    .main-nav .dropdown-menu { position: static; box-shadow: none; border-radius: 0; min-width: 100%; padding: 0; background-color: rgba(0,0,0,0.2); max-height: 0; overflow: hidden; transition: max-height 0.2s ease-in-out; opacity: 1; visibility: visible; transform: none; }
    .main-nav .dropdown.open .dropdown-menu { max-height: 500px; }
    .main-nav .dropdown-menu a { padding-right: 40px; font-size: 0.9em; color: #bdc3c7; }
    .main-nav .dropdown.open > a::after { transform: rotate(180deg); }
    .menu-toggle.active .hamburger { background-color: transparent; }
    .menu-toggle.active .hamburger::before { top: 0; transform: rotate(45deg); }
    .menu-toggle.active .hamburger::after { top: 0; transform: rotate(-45deg); }
    .nav-logout-mobile a { color: var(--color-error) !important; font-weight: bold; text-align: center; background-color: rgba(231, 76, 60, 0.1); }
}

/* ========================================================================== */
/* 7. DARK MODE - الوضع الليلي + زر التبديل المتحرك + تنسيق الجداول (مُحسّن) */
/* ========================================================================== */

/* (زر التبديل) */
.theme-toggle { position: fixed; top: 15px; left: 15px; z-index: 999; background: var(--primary-color); color: #fff; border: none; padding: 8px 15px; border-radius: 30px; cursor: pointer; font-weight: 600; font-size: 13px; box-shadow: 0 3px 6px rgba(0,0,0,0.2); transition: all 0.3s ease; display: flex; align-items: center; gap: 6px; }
.theme-toggle:hover { filter: brightness(1.1); transform: scale(1.05); }
.dark-mode .theme-toggle { box-shadow: 0 3px 6px rgba(0,0,0,0.5); }
.theme-toggle .icon { display: inline-block; font-size: 16px; transition: transform 0.6s ease; }
.theme-toggle.sun .icon { transform: rotate(360deg); }
.theme-toggle.moon .icon { transform: rotate(0deg); }


/* 🎨 الجداول كبطاقات أنيقة (خاص بالهاتف) - (مُحسّن) */
@media (max-width: 768px) {
    body { font-size: 16px; }
    h1, #welcome-title { font-size: 2.2em; }
    h2, .section-title { font-size: 1.6em; }
    .section-card { padding: 15px; }
    .features-grid { grid-template-columns: 1fr; }
    .input-group-row { flex-direction: column; align-items: stretch; gap: 15px; }
    .summary-grid { grid-template-columns: 1fr; }

    .expense-table-container { margin: 0 -15px; overflow-x: hidden; }

    .data-table { width: 100%; border-collapse: separate; border-spacing: 0 15px; table-layout: fixed; border: none; }
    .data-table thead { display: none; }

    .data-table tr { display: block; background: var(--card-bg); border: 1px solid var(--border-color); border-radius: var(--border-radius-md); box-shadow: var(--box-shadow-sm); margin-bottom: 0; padding: 10px 15px; transition: transform 0.2s ease, box-shadow 0.2s ease, background-color 0.4s ease; }
    .data-table tr:hover { transform: translateY(-2px); box-shadow: var(--box-shadow-md); }

    .data-table td { display: flex; justify-content: space-between; align-items: center; border: none; padding: 8px 0; overflow: hidden; border-bottom: 1px dashed var(--border-color); }
    .data-table tr td:last-child { border-bottom: none; }

    .data-table td::before { content: attr(data-label); font-weight: 600; color: var(--primary-color); flex-basis: auto; text-align: right; padding-left: 10px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 0.9em; }

    .data-table td span { flex-basis: auto; text-align: left; direction: ltr; font-weight: 500; color: var(--text-color); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; margin-left: auto; }

    /* Icons for mobile table labels */
    .data-table td[data-label="التاريخ"]::before { content: "📅 التاريخ"; }
    .data-table td[data-label="الوصف"]::before { content: "📄 الوصف"; }
    .data-table td[data-label="التصنيف"]::before { content: "🏷️ التصنيف"; }
    .data-table td[data-label="المبلغ"]::before { content: "💰 المبلغ"; }
    .data-table td[data-label="إجراء"]::before { content: "⚙️ إجراء"; }

    .dark-mode .data-table tr { box-shadow: 0 3px 10px rgba(0,0,0,0.4); background: var(--card-bg); }
    .dark-mode .data-table tr:hover { box-shadow: 0 6px 14px rgba(0,0,0,0.6); }
    .dark-mode .data-table td { border-bottom-color: rgba(255,255,255,0.1); }
    .dark-mode .data-table td span { color: var(--text-color); }
}