/* css/design_system.css */
:root {
    /* ألوان رئيسية (Primary Colors) */
    --color-primary: #2563eb; /* أزرق مؤسسي */
    --color-primary-hover: #1d4ed8;
    --color-secondary: #f59e0b; /* برتقالي للمقاولات والتنبيهات */
    
    /* ألوان الخلفيات والنصوص (Backgrounds & Text) */
    --color-bg-light: #f8fafc;
    --color-bg-card: #ffffff;
    --color-text-main: #0f172a;
    --color-text-muted: #64748b;
    
    /* ألوان الحالات (States) */
    --color-success: #10b981;
    --color-danger: #ef4444;
    --color-warning: #f59e0b;
    --color-info: #3b82f6;

    /* الخطوط (Typography) */
    --font-family-main: 'Cairo', sans-serif;
    
    /* ظلال وحواف (Shadows & Borders) */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --border-radius-sm: 4px;
    --border-radius-md: 8px;
    --border-radius-lg: 16px;
    
    /* انتقالات (Transitions) */
    --transition-fast: 0.2s ease-in-out;
}

/* Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-family-main);
    background-color: var(--color-bg-light);
    color: var(--color-text-main);
    line-height: 1.6;
    direction: rtl;
}

/* Typography Utility */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    color: var(--color-text-main);
}

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

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

/* Buttons Utility */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    border: none;
    border-radius: var(--border-radius-md);
    font-family: var(--font-family-main);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-primary {
    background-color: var(--color-primary);
    color: white;
}

.btn-primary:hover {
    background-color: var(--color-primary-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background-color: var(--color-secondary);
    color: white;
}

/* Cards Utility */
.card {
    background-color: var(--color-bg-card);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    padding: 24px;
    transition: box-shadow var(--transition-fast);
}

.card:hover {
    box-shadow: var(--shadow-lg);
}

/* Inputs Utility */
.input-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 16px;
}

.input-group label {
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--color-text-muted);
}

.input-control {
    padding: 12px 16px;
    border: 1px solid #e2e8f0;
    border-radius: var(--border-radius-md);
    font-family: var(--font-family-main);
    font-size: 1rem;
    transition: border-color var(--transition-fast);
    outline: none;
}

.input-control:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

/* Toast Notifications */
#toast-container {
    position: fixed;
    bottom: 30px;
    left: 30px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.toast-message {
    display: flex;
    align-items: center;
    gap: 12px;
    background: white;
    padding: 15px 25px;
    border-radius: var(--border-radius-md);
    box-shadow: 0 10px 25px -5px rgba(0,0,0,0.2);
    font-weight: bold;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

.toast-message.show {
    opacity: 1;
    transform: translateY(0);
}

.toast-success { border-right: 5px solid var(--color-success); color: var(--color-success); }
.toast-error { border-right: 5px solid var(--color-danger); color: var(--color-danger); }
.toast-info { border-right: 5px solid var(--color-info); color: var(--color-info); }

/* خصائص الطباعة (Print Styles) */
@media print {
    .sidebar, .topbar, .btn, #toast-container, .module-header p {
        display: none !important;
    }
    .main-content {
        margin: 0 !important;
        padding: 0 !important;
        overflow: visible !important;
    }
    .dashboard-layout {
        display: block !important;
        height: auto !important;
    }
    .card {
        box-shadow: none !important;
        border: 1px solid #000 !important;
        margin-bottom: 20px !important;
        break-inside: avoid;
    }
    body {
        background: white !important;
        color: black !important;
    }
}