/**
 * نظام إدارة الجراج - التصميم الأساسي
 * Design System كامل
 */

/* ============ FONTS ============ */
@import url('https://fonts.googleapis.com/css2?family=Cairo:wght@400;600;700&family=Inter:wght@400;500;600;700&display=swap');

/* ============ COLORS ============ */
:root {
    /* Primary */
    --primary-50: #eff6ff;
    --primary-100: #dbeafe;
    --primary-500: #3b82f6;
    --primary-600: #2563eb;
    --primary-700: #1d4ed8;
    
    /* Success */
    --success-50: #f0fdf4;
    --success-500: #22c55e;
    --success-600: #16a34a;
    
    /* Warning */
    --warning-50: #fffbeb;
    --warning-500: #f59e0b;
    --warning-600: #d97706;
    
    /* Danger */
    --danger-50: #fef2f2;
    --danger-500: #ef4444;
    --danger-600: #dc2626;
    
    /* Neutral */
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    
    /* Semantic */
    --bg-primary: #ffffff;
    --bg-secondary: var(--gray-50);
    --text-primary: var(--gray-900);
    --text-secondary: var(--gray-600);
    --border: var(--gray-200);
    
    /* Spacing */
    --space-xs: 4px;
    --space-sm: 8px;
    --space-md: 16px;
    --space-lg: 24px;
    --space-xl: 32px;
    --space-2xl: 48px;
    
    /* Border Radius */
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1);
    
    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 200ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Font Family */
    --font-arabic: 'Cairo', sans-serif;
    --font-english: 'Inter', sans-serif;
}

/* ============ RESET & BASE ============ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

[dir="ltr"] body {
    font-family: var(--font-english);
    direction: ltr;
}

/* ============ TYPOGRAPHY ============ */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--space-md);
    color: var(--text-primary);
}

h1 { font-size: 2.25rem; }
h2 { font-size: 1.875rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.125rem; }
h6 { font-size: 1rem; }

p {
    margin-bottom: var(--space-md);
}

a {
    color: var(--primary-600);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--primary-700);
}

/* ============ BUTTONS ============ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: 12px 24px;
    border: none;
    border-radius: var(--radius-md);
    font-weight: 500;
    font-size: 1rem;
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
    min-height: 44px;
    font-family: inherit;
}

.btn-primary {
    background: var(--primary-600);
    color: white;
}

.btn-primary:hover {
    background: var(--primary-700);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-success {
    background: var(--success-600);
    color: white;
}

.btn-success:hover {
    background: #15803d;
}

.btn-danger {
    background: var(--danger-600);
    color: white;
}

.btn-danger:hover {
    background: #b91c1c;
}

.btn-warning {
    background: var(--warning-600);
    color: white;
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--border);
    color: var(--text-primary);
}

.btn-outline:hover {
    background: var(--bg-secondary);
}

.btn-sm {
    padding: 8px 16px;
    font-size: 0.875rem;
    min-height: 36px;
}

.btn-lg {
    padding: 16px 32px;
    font-size: 1.125rem;
    min-height: 52px;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* ============ INPUTS ============ */
.input-group {
    margin-bottom: var(--space-md);
}

.input-label {
    display: block;
    font-weight: 500;
    margin-bottom: var(--space-sm);
    color: var(--text-primary);
}

.input-label.required::after {
    content: " *";
    color: var(--danger-500);
}

.input {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--border);
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-family: inherit;
    background: var(--bg-primary);
    color: var(--text-primary);
    transition: all var(--transition-fast);
    min-height: 48px;
}

.input:focus {
    outline: none;
    border-color: var(--primary-500);
    box-shadow: 0 0 0 3px var(--primary-50);
}

.input.error {
    border-color: var(--danger-500);
}

.input-error-message {
    color: var(--danger-500);
    font-size: 0.875rem;
    margin-top: var(--space-xs);
}

textarea.input {
    min-height: 120px;
    resize: vertical;
}

select.input {
    cursor: pointer;
}

/* ============ CARDS ============ */
.card {
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
}

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

.card-header {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--space-md);
    color: var(--text-primary);
}

.card-body {
    color: var(--text-secondary);
}

/* ============ BADGES ============ */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 12px;
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 500;
}

.badge-success {
    background: var(--success-50);
    color: var(--success-600);
}

.badge-warning {
    background: var(--warning-50);
    color: var(--warning-600);
}

.badge-danger {
    background: var(--danger-50);
    color: var(--danger-600);
}

.badge-primary {
    background: var(--primary-50);
    color: var(--primary-600);
}

/* ============ TABLES ============ */
.table-container {
    overflow-x: auto;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    background: var(--bg-primary);
}

.table {
    width: 100%;
    border-collapse: collapse;
}

.table thead {
    background: var(--gray-50);
}

.table th {
    padding: 12px 16px;
    text-align: start;
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--text-secondary);
    border-bottom: 2px solid var(--border);
}

.table td {
    padding: 16px;
    border-bottom: 1px solid var(--border);
}

.table tbody tr:hover {
    background: var(--gray-50);
}

/* ============ TIMELINE ============ */
.timeline {
    position: relative;
    padding: var(--space-lg) 0;
}

.timeline::before {
    content: '';
    position: absolute;
    right: 20px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--border);
}

[dir="ltr"] .timeline::before {
    left: 20px;
    right: auto;
}

.timeline-item {
    position: relative;
    padding-right: 60px;
    padding-bottom: var(--space-xl);
}

[dir="ltr"] .timeline-item {
    padding-left: 60px;
    padding-right: 0;
}

.timeline-icon {
    position: absolute;
    right: 0;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-primary);
    border: 3px solid var(--primary-500);
    color: var(--primary-600);
    font-size: 1.25rem;
    z-index: 1;
}

[dir="ltr"] .timeline-icon {
    left: 0;
    right: auto;
}

.timeline-item.completed .timeline-icon {
    background: var(--success-500);
    border-color: var(--success-600);
    color: white;
}

.timeline-item.active .timeline-icon {
    background: var(--primary-500);
    border-color: var(--primary-600);
    color: white;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(37, 99, 235, 0.4); }
    50% { box-shadow: 0 0 0 10px rgba(37, 99, 235, 0); }
}

.timeline-content {
    background: var(--bg-secondary);
    padding: var(--space-md);
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
}

.timeline-date {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-xs);
}

.timeline-title {
    font-weight: 600;
    margin-bottom: var(--space-sm);
    color: var(--text-primary);
}

/* ============ MODAL ============ */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    padding: var(--space-md);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal {
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    max-width: 600px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-xl);
    transform: scale(0.95);
    transition: transform var(--transition-base);
}

.modal-overlay.active .modal {
    transform: scale(1);
}

.modal-header {
    padding: var(--space-lg);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
}

.modal-close {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-full);
    border: none;
    background: var(--gray-100);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
    font-size: 1.5rem;
    color: var(--text-secondary);
}

.modal-close:hover {
    background: var(--gray-200);
}

.modal-body {
    padding: var(--space-lg);
}

.modal-footer {
    padding: var(--space-lg);
    border-top: 1px solid var(--border);
    display: flex;
    gap: var(--space-md);
    justify-content: flex-end;
}

/* ============ GRID SYSTEM ============ */
.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--space-md);
}

.grid {
    display: grid;
    gap: var(--space-md);
}

.grid-cols-1 { grid-template-columns: repeat(1, 1fr); }
.grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid-cols-4 { grid-template-columns: repeat(4, 1fr); }

/* ============ UTILITIES ============ */
.text-center { text-align: center; }
.text-start { text-align: start; }
.text-end { text-align: end; }

.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }

.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }

.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }

.w-full { width: 100%; }
.h-full { height: 100%; }

.hidden { display: none; }

/* ============ ANIMATIONS ============ */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.fade-in {
    animation: fadeIn 0.4s ease-out;
}

@keyframes slideDown {
    from { transform: translateY(-100%); }
    to { transform: translateY(0); }
}

.slide-down {
    animation: slideDown 0.3s ease-out;
}

/* ============ LOADING ============ */
.loader {
    width: 48px;
    height: 48px;
    border: 5px solid var(--gray-200);
    border-bottom-color: var(--primary-500);
    border-radius: 50%;
    display: inline-block;
    animation: rotation 1s linear infinite;
}

@keyframes rotation {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* ============ RESPONSIVE ============ */
@media (max-width: 768px) {
    html {
        font-size: 14px;
    }
    
    h1 { font-size: 1.875rem; }
    h2 { font-size: 1.5rem; }
    h3 { font-size: 1.25rem; }
    
    .grid-cols-2,
    .grid-cols-3,
    .grid-cols-4 {
        grid-template-columns: 1fr;
    }
    
    .table thead {
        display: none;
    }
    
    .table tr {
        display: block;
        margin-bottom: var(--space-md);
        border: 1px solid var(--border);
        border-radius: var(--radius-md);
    }
    
    .table td {
        display: flex;
        justify-content: space-between;
        padding: 12px;
        border: none;
    }
    
    .table td::before {
        content: attr(data-label);
        font-weight: 600;
        margin-inline-end: var(--space-md);
    }
    
    .modal {
        max-width: 100%;
        margin: var(--space-md);
    }
}

@media (min-width: 769px) and (max-width: 1024px) {
    .grid-cols-3,
    .grid-cols-4 {
        grid-template-columns: repeat(2, 1fr);
    }
}