/* الألوان والمتغيرات */
:root {
    --primary-color: #2563eb;
    --primary-hover: #1d4ed8;
    --secondary-color: #f3f4f6;
    --text-dark: #1f2937;
    --text-light: #6b7280;
    --danger-color: #ef4444;
    --danger-hover: #dc2828;
    --success-color: #10b981;
    --success-hover: #059669;
    --warning-color: #f59e0b;
    --bg-color: #f9fafb;
    --card-bg: #ffffff;
    --border-radius: 12px;
    --box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --transition: all 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: var(--bg-color);
    color: var(--text-dark);
    line-height: 1.6;
}

/* إخفاء الصفحات */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    display: none;
}
.container.active {
    display: block;
    animation: fadeIn 0.4s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* التنبيهات */
.toast-container {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 15px;
}
.toast {
    background-color: var(--card-bg);
    padding: 15px 25px;
    border-radius: 8px;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    border-right: 5px solid var(--primary-color);
    transform: translateX(120%);
    opacity: 0;
    transition: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    display: flex;
    align-items: center;
    gap: 10px;
}
.toast.show { transform: translateX(0); opacity: 1; }
.toast-success { border-right-color: var(--success-color); }
.toast-error { border-right-color: var(--danger-color); }
.toast-warning { border-right-color: var(--warning-color); }

/* البطاقات (Cards) */
.card, .form-card {
    background-color: var(--card-bg);
    border-radius: var(--border-radius);
    padding: 30px;
    box-shadow: var(--box-shadow);
}
.form-card { max-width: 500px; margin: 40px auto; }
.layout-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; align-items: flex-start; }

h1, h2, h3 { margin-bottom: 20px; color: var(--text-dark); }
h1, h2 { text-align: center; }
h3 { text-align: right; }
.desc-text { color: var(--text-light); text-align: center; margin-bottom: 20px; font-size: 14px; }

/* تبويبات (Tabs) */
.tabs {
    display: flex;
    gap: 10px;
    margin-bottom: 25px;
    border-bottom: 2px solid #e5e7eb;
    padding-bottom: 10px;
}
.tab-btn {
    padding: 10px 20px;
    background: transparent;
    border: none;
    font-size: 16px;
    font-weight: bold;
    color: var(--text-light);
    cursor: pointer;
    border-bottom: 3px solid transparent;
    transition: var(--transition);
}
.tab-btn.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}
.tab-btn:hover:not(.active) { color: var(--text-dark); }

/* شاشة اختيار الدور (Intro section) */
.roles-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    max-width: 900px;
    margin: 40px auto;
}

.big-role-card {
    background-color: var(--card-bg);
    border-radius: var(--border-radius);
    padding: 40px 30px;
    text-align: center;
    cursor: pointer;
    box-shadow: var(--box-shadow);
    transition: transform 0.3s ease, box-shadow 0.3s ease, border 0.3s ease;
    border: 2px solid transparent;
}

.big-role-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 25px -5px rgba(0, 0, 0, 0.1);
}

.role-icon {
    font-size: 60px;
    margin-bottom: 20px;
}

/* سمة التاجر (تغلب عليها الخضار/الزيتوني) */
.merchant-theme:hover {
    border-color: #059669;
}
.merchant-theme h2 {
    color: #059669;
}

/* سمة المسوق (يعلوها الأزرق) */
.marketer-theme:hover {
    border-color: #2563eb;
}
.marketer-theme h2 {
    color: #2563eb;
}

.back-btn {
    background: none;
    border: none;
    color: var(--text-light);
    font-size: 14px;
    font-weight: bold;
    cursor: pointer;
    margin-bottom: 15px;
}
.back-btn:hover {
    color: var(--text-dark);
}

/* الحقول (Forms) */
.form-group { margin-bottom: 20px; }
.form-row { display: flex; gap: 15px; }
.form-row .form-group { flex: 1; }
label { display: block; margin-bottom: 8px; font-weight: 600; }
input[type="text"], input[type="email"], input[type="password"],
input[type="number"], select, textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #d1d5db;
    border-radius: 8px;
    font-size: 15px;
}
input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.2);
}
.file-input { padding: 9px; cursor: pointer; background: var(--secondary-color); width: 100%; border-radius: 8px; }

/* الأزرار (Buttons) */
.btn {
    display: inline-block;
    width: 100%;
    padding: 12px 20px;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
}
.primary-btn { background-color: var(--primary-color); color: white; }
.primary-btn:hover { background-color: var(--primary-hover); }
.success-btn { background-color: var(--success-color); color: white; }
.success-btn:hover { background-color: var(--success-hover); }
.danger-btn { background-color: var(--danger-color); color: white; width: auto; }
.secondary-btn { background-color: var(--secondary-color); color: var(--text-dark); margin-top: 5px; }
.secondary-btn:hover { background-color: #e5e7eb; }
.action-btn { background-color: #f0fdf4; color: #166534; font-size: 14px; margin-top: 10px; }
.action-btn:hover { background-color: #dcfce7; }
.download-btn { background-color: #e0f2fe; color: #0369a1; font-size: 14px; margin-top: 10px; margin-bottom:10px; }
.download-btn:hover { background-color: #bae6fd; }

/* رأس لوحة التحكم */
.dashboard-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: var(--card-bg);
    padding: 20px 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    margin-bottom: 30px;
}
.badge { display: inline-block; padding: 5px 12px; background-color: var(--primary-color); color: white; border-radius: 20px; font-size: 14px; font-weight: bold; margin-top: 5px; }

/* شبكة المنتجات (Products) */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
}
.product-card {
    background-color: var(--card-bg);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--box-shadow);
    display: flex;
    flex-direction: column;
    border: 1px solid #f3f4f6;
}
.product-card:hover { box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1); transform: translateY(-3px); transition: 0.3s; }
.product-img { width: 100%; height: 220px; object-fit: cover; border-bottom: 1px solid #f3f4f6; background-color: #e5e7eb; }

.product-content { padding: 20px; flex-grow: 1; display: flex; flex-direction: column; }
.product-title { font-size: 18px; color: var(--text-dark); margin-bottom: 5px; }
.product-category { font-size: 12px; font-weight: bold; color: var(--primary-color); background: #eff6ff; padding: 3px 8px; border-radius: 5px; display: inline-block; margin-bottom: 10px;}
.product-desc { color: var(--text-light); margin-bottom: 15px; font-size: 14px; flex-grow: 1; }

.product-prices {
    display: flex;
    justify-content: space-between;
    background-color: var(--secondary-color);
    padding: 10px;
    border-radius: 8px;
    margin-bottom: 10px;
}
.price-item { display: flex; flex-direction: column; align-items: center; }
.price-label { font-size: 11px; color: var(--text-light); }
.price-value { font-weight: bold; font-size: 16px; color: var(--text-dark); }
.commission-value { font-weight: bold; font-size: 16px; color: var(--success-color); }

/* إحصائيات المحفظة (Stats Grid) */
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 15px; margin-top: 15px; }
.stat-box { background: var(--secondary-color); padding: 20px; border-radius: 8px; text-align: center; }
.stat-box p { font-size: 14px; color: var(--text-light); margin-bottom: 5px; font-weight: bold;}
.stat-box h2 { color: var(--primary-color); margin: 0; font-size: 26px; }
.stat-box.success-box { background: #d1fae5; }
.stat-box.success-box h2 { color: #059669; }
.stat-box.warning-box { background: #fef3c7; }
.stat-box.warning-box h2 { color: #d97706; }

/* التحميل المتقطع (Infinite Scroll trigger) */
.loading-trigger { text-align: center; padding: 20px; color: var(--text-light); font-weight: bold; margin-top: 20px; }

/* التجاوب (Media Queries) */
@media (max-width: 768px) {
    .layout-grid { grid-template-columns: 1fr; }
    .form-row { flex-direction: column; gap: 0; }
    .dashboard-header { flex-direction: column; text-align: center; gap: 15px; }
    .roles-grid { grid-template-columns: 1fr; }
    .tabs { overflow-x: auto; white-space: nowrap; padding-bottom: 15px; }
}