/**
 * design-system.css
 * نظام التصميم الموحد (Readability-First)
 * مستوحى من: Notion / Linear / GitHub / Tabler
 * لا glassmorphism في الكروت والجداول والنماذج
 * Glassmorphism فقط في: Login / Modal / Hero
 */

@import url('https://fonts.googleapis.com/css2?family=Cairo:wght@300;400;500;600;700;800;900&display=swap');
@import url('style.css');

/* ==========================================================================
   1. المتغيرات - متوافقة مع style.css
   ========================================================================== */
:root {
    /* الوان الرئيسية */
    --ds-primary:          #4f46e5;
    --ds-primary-hover:    #4338ca;
    --ds-primary-light:    rgba(79, 70, 229, 0.12);
    --ds-primary-subtle:   rgba(79, 70, 229, 0.08);

    --ds-accent:           #06b6d4;
    --ds-accent-hover:     #0891b2;

    --ds-success:          #10b981;
    --ds-success-hover:    #059669;

    --ds-warning:          #f59e0b;
    --ds-warning-hover:    #d97706;

    --ds-danger:           #ef4444;
    --ds-danger-hover:     #dc2626;

    --ds-info:             #3b82f6;

    /* الخلفيات الصلبة */
    --ds-bg:               #111827;
    --ds-surface:          #1f2937;
    --ds-elevated:         #374151;
    --ds-input-bg:         #1f2937;

    /* النصوص - WCAG AA */
    --ds-text:             #f9fafb;
    --ds-text-secondary:   #d1d5db;
    --ds-text-muted:       #9ca3af;
    --ds-text-disabled:    #6b7280;

    /* الحدود */
    --ds-border:           #374151;
    --ds-border-light:     #4b5563;
    --ds-border-focus:     #4f46e5;

    /* للتوافق مع الكود القديم */
    --ds-card-bg:          #1f2937;
    --ds-card-bg-hover:    #374151;
    --ds-card-solid:       #1f2937;

    /* الظلال - خفيفة */
    --ds-shadow-sm:        0 1px 3px rgba(0,0,0,0.25);
    --ds-shadow-md:        0 4px 12px rgba(0,0,0,0.22);
    --ds-shadow-lg:        0 8px 24px rgba(0,0,0,0.32);
    --ds-shadow-glow:      0 0 0 3px rgba(79, 70, 229, 0.25);

    /* الابعاد */
    --ds-radius-sm:        6px;
    --ds-radius-md:        10px;
    --ds-radius-lg:        14px;
    --ds-radius-full:      9999px;

    --ds-transition:       all 0.2s ease;
}

/* ==========================================================================
   2. القاعدة العامة
   ========================================================================== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body.ds-body {
    font-family: 'Cairo', system-ui, -apple-system, sans-serif;
    background-color: var(--ds-bg);
    color: var(--ds-text);
    line-height: 1.65;
    direction: rtl;
    -webkit-font-smoothing: antialiased;
}

body {
    font-family: 'Cairo', system-ui, -apple-system, sans-serif;
}

.ds-bg-secondary { background: var(--ds-surface); }

/* ==========================================================================
   3. الحاويات والشبكات
   ========================================================================== */
.ds-container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 20px;
}

.ds-grid { display: grid; gap: 20px; }
.ds-grid-1 { grid-template-columns: 1fr; }
.ds-grid-2 { grid-template-columns: repeat(2, 1fr); }
.ds-grid-3 { grid-template-columns: repeat(3, 1fr); }
.ds-grid-4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 1024px) {
    .ds-grid-4 { grid-template-columns: repeat(2, 1fr); }
    .ds-grid-3 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
    .ds-grid-4, .ds-grid-3, .ds-grid-2 { grid-template-columns: 1fr; }
}

/* ==========================================================================
   4. الازرار الموحدة
   ========================================================================== */
.ds-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 7px;
    padding: 9px 18px;
    font-family: inherit;
    font-size: 0.88rem;
    font-weight: 700;
    border-radius: var(--ds-radius-md);
    border: 1.5px solid transparent;
    cursor: pointer;
    text-decoration: none;
    transition: var(--ds-transition);
    white-space: nowrap;
    user-select: none;
    line-height: 1.4;
}

.ds-btn svg, .ds-btn i { width: 16px; height: 16px; flex-shrink: 0; }

/* Primary - اللون الاساسي فقط يلفت الانتباه */
.ds-btn-primary {
    background: var(--ds-primary);
    color: #ffffff !important;
    border-color: var(--ds-primary);
}
.ds-btn-primary:hover {
    background: var(--ds-primary-hover);
    border-color: var(--ds-primary-hover);
}

.ds-btn-secondary {
    background: var(--ds-elevated);
    color: var(--ds-text-secondary) !important;
    border-color: var(--ds-border);
}
.ds-btn-secondary:hover {
    background: var(--ds-border-light);
    color: var(--ds-text) !important;
}

.ds-btn-success {
    background: var(--ds-success);
    color: #ffffff !important;
    border-color: var(--ds-success);
}
.ds-btn-success:hover { background: var(--ds-success-hover); }

.ds-btn-danger {
    background: var(--ds-danger);
    color: #ffffff !important;
    border-color: var(--ds-danger);
}
.ds-btn-danger:hover { background: var(--ds-danger-hover); }

.ds-btn-warning {
    background: var(--ds-warning);
    color: #111827 !important;
    border-color: var(--ds-warning);
}
.ds-btn-warning:hover { background: var(--ds-warning-hover); }

.ds-btn-outline {
    background: transparent;
    color: #818cf8 !important;
    border-color: var(--ds-primary);
}
.ds-btn-outline:hover { background: var(--ds-primary-light); }

.ds-btn-sm { padding: 5px 12px; font-size: 0.8rem; border-radius: var(--ds-radius-sm); }
.ds-btn-lg { padding: 12px 26px; font-size: 1rem; }
.ds-btn-icon { width: 38px; height: 38px; padding: 0; }

/* ==========================================================================
   5. البطاقات - صلبة نظيفة (لا blur)
   ========================================================================== */
.ds-card {
    background: var(--ds-surface);
    border: 1px solid var(--ds-border);
    border-radius: var(--ds-radius-lg);
    padding: 20px;
    box-shadow: var(--ds-shadow-sm);
    transition: var(--ds-transition);
    /* لا backdrop-filter */
}

.ds-card:hover {
    border-color: var(--ds-border-light);
    box-shadow: var(--ds-shadow-md);
}

.ds-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-bottom: 14px;
    margin-bottom: 16px;
    border-bottom: 1px solid var(--ds-border);
}

.ds-card-title {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--ds-text);
    display: flex;
    align-items: center;
    gap: 8px;
}

.ds-card-title i, .ds-card-title svg {
    color: var(--ds-primary);
    width: 18px;
    height: 18px;
}

.ds-card-body { position: relative; }

.ds-card-footer {
    padding-top: 14px;
    margin-top: 16px;
    border-top: 1px solid var(--ds-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* ==========================================================================
   6. النماذج والحقول - صلبة وواضحة
   ========================================================================== */
.ds-form-group { margin-bottom: 18px; }

.ds-label {
    display: block;
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--ds-text-secondary);
    margin-bottom: 7px;
}

.ds-input-wrapper { position: relative; }

.ds-input-icon {
    position: absolute;
    right: 13px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--ds-text-muted);
    width: 16px;
    height: 16px;
    pointer-events: none;
    transition: var(--ds-transition);
}

.ds-input, .ds-select, .ds-textarea {
    width: 100%;
    padding: 10px 14px;
    background: var(--ds-input-bg);
    border: 1.5px solid var(--ds-border);
    border-radius: var(--ds-radius-md);
    font-family: inherit;
    font-size: 0.92rem;
    color: var(--ds-text);
    outline: none;
    transition: var(--ds-transition);
    /* لا backdrop-filter */
}

.ds-input-has-icon { padding-right: 42px; }

.ds-input:focus, .ds-select:focus, .ds-textarea:focus {
    border-color: var(--ds-border-focus);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.18);
}

.ds-input:focus + .ds-input-icon,
.ds-input-wrapper:focus-within .ds-input-icon {
    color: var(--ds-primary);
}

/* ==========================================================================
   7. الجداول - صلبة تماما (لا glassmorphism ابدا)
   ========================================================================== */
.ds-table-responsive {
    width: 100%;
    overflow-x: auto;
    border-radius: var(--ds-radius-md);
    border: 1px solid var(--ds-border);
}

.ds-table {
    width: 100%;
    border-collapse: collapse;
    text-align: right;
    font-size: 0.88rem;
}

.ds-table th {
    background: var(--ds-elevated);
    color: var(--ds-text);
    font-weight: 700;
    padding: 11px 16px;
    border-bottom: 2px solid var(--ds-border);
    white-space: nowrap;
    font-size: 0.83rem;
}

.ds-table td {
    padding: 10px 16px;
    border-bottom: 1px solid var(--ds-border);
    color: var(--ds-text-secondary);
    vertical-align: middle;
}

.ds-table tbody tr { transition: var(--ds-transition); }
.ds-table tbody tr:hover { background: var(--ds-elevated); }
.ds-table tbody tr:last-child td { border-bottom: none; }

/* ==========================================================================
   8. البادجات
   ========================================================================== */
.ds-badge {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 3px 10px;
    font-size: 0.78rem;
    font-weight: 700;
    border-radius: var(--ds-radius-full);
    border: 1px solid transparent;
}

.ds-badge svg, .ds-badge i { width: 13px; height: 13px; }

.ds-badge-primary {
    background: var(--ds-primary-light);
    color: #a5b4fc;
    border-color: rgba(99, 102, 241, 0.25);
}
.ds-badge-success {
    background: rgba(16, 185, 129, 0.12);
    color: #a7f3d0;
    border-color: rgba(16, 185, 129, 0.25);
}
.ds-badge-warning {
    background: rgba(245, 158, 11, 0.12);
    color: #fde68a;
    border-color: rgba(245, 158, 11, 0.25);
}
.ds-badge-danger {
    background: rgba(239, 68, 68, 0.12);
    color: #fca5a5;
    border-color: rgba(239, 68, 68, 0.25);
}
.ds-badge-secondary {
    background: var(--ds-elevated);
    color: var(--ds-text-muted);
    border-color: var(--ds-border);
}

/* ==========================================================================
   9. التنبيهات - تباين عال WCAG AA
   ========================================================================== */
.ds-alert {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 12px 16px;
    border-radius: var(--ds-radius-md);
    border: 1px solid transparent;
    border-right-width: 3px;
    font-size: 0.88rem;
    font-weight: 600;
    margin-bottom: 16px;
    line-height: 1.5;
}

.ds-alert svg, .ds-alert i { width: 18px; height: 18px; flex-shrink: 0; margin-top: 1px; }

.ds-alert-info {
    background: rgba(59, 130, 246, 0.08);
    color: #bfdbfe;
    border-color: rgba(59, 130, 246, 0.22);
    border-right-color: var(--ds-info);
}
.ds-alert-success {
    background: rgba(16, 185, 129, 0.08);
    color: #a7f3d0;
    border-color: rgba(16, 185, 129, 0.22);
    border-right-color: var(--ds-success);
}
.ds-alert-warning {
    background: rgba(245, 158, 11, 0.08);
    color: #fde68a;
    border-color: rgba(245, 158, 11, 0.22);
    border-right-color: var(--ds-warning);
}
.ds-alert-danger {
    background: rgba(239, 68, 68, 0.08);
    color: #fca5a5;
    border-color: rgba(239, 68, 68, 0.22);
    border-right-color: var(--ds-danger);
}

/* ==========================================================================
   10. النوافذ المنبثقة - Glassmorphism هنا مقبول
   ========================================================================== */
.ds-modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.65);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.ds-modal-overlay.active { display: flex; }

.ds-modal-card {
    background: var(--ds-surface);
    border: 1px solid var(--ds-border-light);
    border-radius: var(--ds-radius-lg);
    padding: 28px;
    width: 100%;
    max-width: 520px;
    box-shadow: var(--ds-shadow-lg);
    animation: dsScaleUp 0.25s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.ds-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 18px;
    padding-bottom: 14px;
    border-bottom: 1px solid var(--ds-border);
}

.ds-modal-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--ds-text);
    display: flex;
    align-items: center;
    gap: 8px;
}

.ds-modal-close {
    background: transparent;
    border: none;
    color: var(--ds-text-muted);
    cursor: pointer;
    width: 30px;
    height: 30px;
    border-radius: var(--ds-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--ds-transition);
}

.ds-modal-close:hover {
    background: var(--ds-elevated);
    color: var(--ds-text);
}

/* ==========================================================================
   11. Empty State وSkeleton
   ========================================================================== */
.ds-empty-state {
    text-align: center;
    padding: 48px 24px;
}

.ds-empty-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto 14px;
    background: var(--ds-elevated);
    border-radius: var(--ds-radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--ds-text-muted);
}

.ds-empty-icon svg, .ds-empty-icon i { width: 28px; height: 28px; }

.ds-empty-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--ds-text-secondary);
    margin-bottom: 5px;
}

.ds-empty-desc {
    font-size: 0.83rem;
    color: var(--ds-text-muted);
}

.ds-skeleton {
    background: linear-gradient(90deg, var(--ds-elevated) 25%, var(--ds-border-light) 37%, var(--ds-elevated) 63%);
    background-size: 400% 100%;
    animation: dsSkeletonLoading 1.4s ease infinite;
    border-radius: var(--ds-radius-sm);
}

@keyframes dsSkeletonLoading {
    0% { background-position: 100% 50%; }
    100% { background-position: 0 50%; }
}

@keyframes dsScaleUp {
    from { opacity: 0; transform: scale(0.95); }
    to { opacity: 1; transform: scale(1); }
}