/* ============================================
   App Main Stylesheet - Complete
   مؤسسة محمود الحفناوى للتنمية الخيرية
   Version: 1.0.0
   ============================================ */

/* ============================================
   1. CSS Variables & Root Settings
   ============================================ */
:root {
    --primary: #1a5f7a;
    --primary-dark: #134b61;
    --primary-light: #2289b0;
    --primary-50: #e6f0f5;
    --primary-100: #cce1eb;

    --secondary: #22c55e;
    --secondary-dark: #16a34a;
    --accent: #f59e0b;
    --accent-dark: #d97706;

    --success: #22c55e;
    --success-light: #f0fdf4;
    --warning: #f59e0b;
    --warning-light: #fffbeb;
    --danger: #ef4444;
    --danger-light: #fef2f2;
    --info: #3b82f6;
    --info-light: #eff6ff;

    --white: #ffffff;
    --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;
    --black: #000000;

    --font-primary: 'Cairo', sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;

    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;

    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-full: 9999px;

    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 15px rgba(0,0,0,0.1);
    --shadow-xl: 0 20px 25px rgba(0,0,0,0.15);

    --transition-fast: 150ms ease;
    --transition-base: 300ms ease;
    --transition-slow: 500ms ease;
}

/* ============================================
   2. Reset & Base
   ============================================ */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    color: var(--gray-800);
    background: var(--gray-50);
    line-height: 1.6;
    direction: rtl;
    text-align: right;
    overflow-x: hidden;
    min-height: 100vh;
}

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

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

img {
    max-width: 100%;
    height: auto;
}

ul {
    list-style: none;
}

/* ============================================
   3. Scrollbar
   ============================================ */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--gray-100);
}

::-webkit-scrollbar-thumb {
    background: var(--gray-300);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--gray-400);
}

/* ============================================
   4. Typography
   ============================================ */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.3;
    color: var(--gray-900);
    margin-bottom: var(--spacing-md);
}

h1 { font-size: var(--font-size-4xl); }
h2 { font-size: var(--font-size-3xl); }
h3 { font-size: var(--font-size-2xl); }
h4 { font-size: var(--font-size-xl); }
h5 { font-size: var(--font-size-lg); }
h6 { font-size: var(--font-size-base); }

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

.text-muted { color: var(--gray-500); }
.text-primary { color: var(--primary); }
.text-success { color: var(--success); }
.text-warning { color: var(--warning); }
.text-danger { color: var(--danger); }
.text-info { color: var(--info); }
.text-white { color: var(--white); }

.text-xs { font-size: var(--font-size-xs); }
.text-sm { font-size: var(--font-size-sm); }
.text-base { font-size: var(--font-size-base); }
.text-lg { font-size: var(--font-size-lg); }
.text-xl { font-size: var(--font-size-xl); }

.text-center { text-align: center; }
.text-right { text-align: right; }
.text-left { text-align: left; }

.fw-bold { font-weight: 700; }
.fw-semibold { font-weight: 600; }
.fw-normal { font-weight: 400; }

/* ============================================
   5. Buttons
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: 0.625rem 1.25rem;
    font-family: var(--font-primary);
    font-size: var(--font-size-sm);
    font-weight: 600;
    line-height: 1.5;
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
    white-space: nowrap;
}

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

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

.btn-primary:hover:not(:disabled) {
    background: var(--primary-dark);
    border-color: var(--primary-dark);
}

.btn-success { background: var(--success); color: #fff; }
.btn-warning { background: var(--warning); color: #fff; }
.btn-danger { background: var(--danger); color: #fff; }
.btn-info { background: var(--info); color: #fff; }

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

.btn-outline-primary:hover {
    background: var(--primary);
    color: #fff;
}

.btn-outline {
    background: transparent;
    color: var(--gray-600);
    border-color: var(--gray-300);
}

.btn-outline:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.btn-sm { padding: 0.375rem 0.75rem; font-size: var(--font-size-xs); border-radius: var(--radius-sm); }
.btn-lg { padding: 0.75rem 1.5rem; font-size: var(--font-size-lg); }

/* ============================================
   6. Forms
   ============================================ */
.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
    font-size: var(--font-size-sm);
    color: var(--gray-700);
}

.form-label .required {
    color: var(--danger);
    margin-right: 0.25rem;
}

.form-control {
    display: block;
    width: 100%;
    padding: 0.625rem 0.875rem;
    font-family: var(--font-primary);
    font-size: var(--font-size-sm);
    line-height: 1.5;
    color: var(--gray-800);
    background: var(--white);
    border: 2px solid var(--gray-300);
    border-radius: var(--radius-md);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(26, 95, 122, 0.1);
}

.form-control.is-invalid { border-color: var(--danger); }
.form-control.is-valid { border-color: var(--success); }

.form-select {
    display: block;
    width: 100%;
    padding: 0.625rem 0.875rem;
    font-family: var(--font-primary);
    font-size: var(--font-size-sm);
    line-height: 1.5;
    color: var(--gray-800);
    background: var(--white);
    border: 2px solid var(--gray-300);
    border-radius: var(--radius-md);
    appearance: none;
    cursor: pointer;
}

.form-textarea {
    min-height: 100px;
    resize: vertical;
}

.form-check {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    cursor: pointer;
}

.form-check-input {
    width: 1.125rem;
    height: 1.125rem;
    accent-color: var(--primary);
    cursor: pointer;
}

/* ============================================
   7. Cards
   ============================================ */
.card {
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-200);
    overflow: hidden;
    margin-bottom: var(--spacing-lg);
}

.card-header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card-body {
    padding: var(--spacing-lg);
}

.card-footer {
    padding: var(--spacing-lg);
    border-top: 1px solid var(--gray-200);
    background: var(--gray-50);
}

.card-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin: 0;
}

/* ============================================
   8. Tables
   ============================================ */
.table-responsive {
    overflow-x: auto;
}

.table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: var(--spacing-lg);
}

.table th,
.table td {
    padding: 0.75rem 1rem;
    text-align: right;
    border-bottom: 1px solid var(--gray-200);
}

.table th {
    font-weight: 700;
    color: var(--gray-700);
    background: var(--gray-50);
    white-space: nowrap;
}

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

/* ============================================
   9. Alerts
   ============================================ */
.alert {
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-lg);
    border: 1px solid transparent;
    font-size: var(--font-size-sm);
}

.alert-success {
    background: var(--success-light);
    border-color: #bbf7d0;
    color: #166534;
}

.alert-danger {
    background: var(--danger-light);
    border-color: #fecaca;
    color: #991b1b;
}

.alert-warning {
    background: var(--warning-light);
    border-color: #fde68a;
    color: #92400e;
}

.alert-info {
    background: var(--info-light);
    border-color: #bfdbfe;
    color: #1e40af;
}

/* ============================================
   10. Badges
   ============================================ */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.75rem;
    font-size: var(--font-size-xs);
    font-weight: 600;
    border-radius: var(--radius-full);
    white-space: nowrap;
}

.badge-primary { background: var(--primary-50); color: var(--primary); }
.badge-success { background: var(--success-light); color: #166534; }
.badge-warning { background: var(--warning-light); color: #92400e; }
.badge-danger { background: var(--danger-light); color: #991b1b; }
.badge-info { background: var(--info-light); color: #1e40af; }
.badge-gray { background: var(--gray-100); color: var(--gray-600); }

/* ============================================
   11. Dropdowns (General)
   ============================================ */
.dropdown {
    position: relative;
    display: inline-block;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    right: 0;
    z-index: 1050;
    display: none;
    min-width: 200px;
    padding: 0.5rem 0;
    margin-top: 0.25rem;
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    animation: dropdownFade 0.2s ease;
}

@keyframes dropdownFade {
    from { opacity: 0; transform: translateY(-8px); }
    to { opacity: 1; transform: translateY(0); }
}

.dropdown-menu.show {
    display: block;
}

.dropdown-menu-end {
    right: 0;
    left: auto;
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.625rem 1rem;
    color: var(--gray-700);
    font-size: var(--font-size-sm);
    transition: all var(--transition-fast);
    cursor: pointer;
    text-decoration: none;
}

.dropdown-item:hover {
    background: var(--gray-50);
    color: var(--primary);
}

.dropdown-divider {
    height: 1px;
    margin: 0.25rem 0;
    background: var(--gray-200);
}

.dropdown-header {
    padding: 0.5rem 1rem;
    font-size: var(--font-size-xs);
    font-weight: 700;
    color: var(--gray-500);
    text-transform: uppercase;
}

/* ============================================
   12. Utilities
   ============================================ */
.d-none { display: none !important; }
.d-block { display: block !important; }
.d-flex { display: flex !important; }
.d-inline-flex { display: inline-flex !important; }
.d-grid { display: grid !important; }

.flex-row { flex-direction: row; }
.flex-column { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }

.justify-start { justify-content: flex-start; }
.justify-center { justify-content: center; }
.justify-end { justify-content: flex-end; }
.justify-between { justify-content: space-between; }

.align-start { align-items: flex-start; }
.align-center { align-items: center; }
.align-end { align-items: flex-end; }

.gap-xs { gap: var(--spacing-xs); }
.gap-sm { gap: var(--spacing-sm); }
.gap-md { gap: var(--spacing-md); }
.gap-lg { gap: var(--spacing-lg); }

.m-0 { margin: 0 !important; }
.mt-0 { margin-top: 0 !important; }
.mb-0 { margin-bottom: 0 !important; }
.mt-sm { margin-top: var(--spacing-sm); }
.mb-sm { margin-bottom: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mb-md { margin-bottom: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mb-lg { margin-bottom: var(--spacing-lg); }

.p-0 { padding: 0 !important; }
.p-md { padding: var(--spacing-md); }
.p-lg { padding: var(--spacing-lg); }

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

.rounded-sm { border-radius: var(--radius-sm); }
.rounded-md { border-radius: var(--radius-md); }
.rounded-lg { border-radius: var(--radius-lg); }
.rounded-full { border-radius: var(--radius-full); }

.shadow-sm { box-shadow: var(--shadow-sm); }
.shadow-md { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }

.bg-white { background: var(--white); }
.bg-gray-50 { background: var(--gray-50); }
.bg-gray-100 { background: var(--gray-100); }
.bg-primary { background: var(--primary); }
.bg-primary-light { background: var(--primary-50); }

.overflow-hidden { overflow: hidden; }
.position-relative { position: relative; }
.cursor-pointer { cursor: pointer; }

/* ============================================
   13. Responsive
   ============================================ */
@media (max-width: 1200px) {
    .container { max-width: 960px; }
}

@media (max-width: 992px) {
    .container { max-width: 720px; }
    .col-md-6 { flex: 0 0 50%; max-width: 50%; }
    .col-md-12 { flex: 0 0 100%; max-width: 100%; }
}

@media (max-width: 768px) {
    .container { max-width: 540px; }
    .col-sm-12 { flex: 0 0 100%; max-width: 100%; }
    .hide-mobile { display: none !important; }
}

@media (max-width: 576px) {
    .container { max-width: 100%; padding: 0 var(--spacing-sm); }
}

/* ============================================
   14. Animations
   ============================================ */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

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

@keyframes spin {
    to { transform: rotate(360deg); }
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}