/* 
==================================================
    GLOBAL STYLES FOR AL-AYEN STUDENT SYSTEM
    نظام الأنماط الشامل لنظام إدارة طلاب العين
==================================================
*/

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

/* ====== CSS VARIABLES ====== */
:root {
    /* Primary Colors */
    --primary-color: #667eea;
    --primary-dark: #5a6fd8;
    --primary-light: #788bff;
    
    /* Gradients */
    --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --success-gradient: linear-gradient(135deg, #11998e 0%, #38ef7d 100%);
    --warning-gradient: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --danger-gradient: linear-gradient(135deg, #fa709a 0%, #fee140 100%);
    --info-gradient: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --dark-gradient: linear-gradient(135deg, #2c3e50 0%, #3498db 100%);
    
    /* Semantic Colors */
    --success-color: #28a745;
    --warning-color: #ffc107;
    --danger-color: #dc3545;
    --info-color: #17a2b8;
    --light-color: #f8f9fa;
    --dark-color: #343a40;
    
    /* Text Colors */
    --text-primary: #2c3e50;
    --text-secondary: #6c757d;
    --text-muted: #7f8c8d;
    --text-light: #95a5a6;
    
    /* Background Colors */
    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fa;
    --bg-light: #e9ecef;
    --bg-dark: #343a40;
    
    /* Shadows */
    --shadow-xs: 0 2px 4px rgba(0, 0, 0, 0.05);
    --shadow-sm: 0 4px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 8px 16px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 16px 32px rgba(0, 0, 0, 0.12);
    --shadow-xl: 0 24px 48px rgba(0, 0, 0, 0.15);
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --radius-full: 50%;
    
    /* Transitions */
    --transition-fast: all 0.15s ease;
    --transition-base: all 0.3s ease;
    --transition-slow: all 0.5s ease;
    --transition-bounce: all 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    
    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    
    /* Typography */
    --font-family: 'Cairo', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 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;
    
    /* Z-index Scale */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;
    --z-toast: 1080;
}

/* ====== DARK MODE VARIABLES ====== */
[data-theme="dark"] {
    --bg-primary: #1a1a1a;
    --bg-secondary: #2d2d2d;
    --bg-light: #3a3a3a;
    --text-primary: #e0e0e0;
    --text-secondary: #b0b0b0;
    --text-muted: #888888;
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
    height: 100%;
}

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

/* ====== TYPOGRAPHY ====== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: var(--space-md);
    color: var(--text-primary);
}

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(--space-md);
    color: var(--text-secondary);
}

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

a:hover {
    color: var(--primary-dark);
    text-decoration: none;
}

/* ====== UTILITY CLASSES ====== */

/* Spacing */
.m-0 { margin: 0 !important; }
.mt-1 { margin-top: var(--space-xs) !important; }
.mt-2 { margin-top: var(--space-sm) !important; }
.mt-3 { margin-top: var(--space-md) !important; }
.mt-4 { margin-top: var(--space-lg) !important; }
.mt-5 { margin-top: var(--space-xl) !important; }

.mb-1 { margin-bottom: var(--space-xs) !important; }
.mb-2 { margin-bottom: var(--space-sm) !important; }
.mb-3 { margin-bottom: var(--space-md) !important; }
.mb-4 { margin-bottom: var(--space-lg) !important; }
.mb-5 { margin-bottom: var(--space-xl) !important; }

.p-1 { padding: var(--space-xs) !important; }
.p-2 { padding: var(--space-sm) !important; }
.p-3 { padding: var(--space-md) !important; }
.p-4 { padding: var(--space-lg) !important; }
.p-5 { padding: var(--space-xl) !important; }

/* Text */
.text-center { text-align: center !important; }
.text-left { text-align: left !important; }
.text-right { text-align: right !important; }

.font-weight-light { font-weight: 300 !important; }
.font-weight-normal { font-weight: 400 !important; }
.font-weight-medium { font-weight: 500 !important; }
.font-weight-semibold { font-weight: 600 !important; }
.font-weight-bold { font-weight: 700 !important; }

/* Colors */
.text-primary { color: var(--primary-color) !important; }
.text-success { color: var(--success-color) !important; }
.text-warning { color: var(--warning-color) !important; }
.text-danger { color: var(--danger-color) !important; }
.text-info { color: var(--info-color) !important; }
.text-muted { color: var(--text-muted) !important; }

.bg-primary { background-color: var(--primary-color) !important; }
.bg-success { background-color: var(--success-color) !important; }
.bg-warning { background-color: var(--warning-color) !important; }
.bg-danger { background-color: var(--danger-color) !important; }
.bg-info { background-color: var(--info-color) !important; }

/* Gradients */
.bg-gradient-primary { background: var(--primary-gradient) !important; }
.bg-gradient-success { background: var(--success-gradient) !important; }
.bg-gradient-warning { background: var(--warning-gradient) !important; }
.bg-gradient-danger { background: var(--danger-gradient) !important; }
.bg-gradient-info { background: var(--info-gradient) !important; }

/* Shadows */
.shadow-xs { box-shadow: var(--shadow-xs) !important; }

/* =============================
   Footer Styles
   تصميم فوتر حديث ومتناسق
============================= */
#myFooter {
    background: var(--primary-gradient);
    color: #ffffff;
    position: relative;
    padding: 2.5rem 0 0.5rem;
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}

/* Decorative soft glows */
#myFooter::before,
#myFooter::after {
    content: "";
    position: absolute;
    width: 320px;
    height: 320px;
    border-radius: 50%;
    filter: blur(60px);
    opacity: 0.2;
    z-index: 0;
}

#myFooter::before {
    top: -120px;
    right: -100px;
    background: rgba(255, 255, 255, 0.6);
}

#myFooter::after {
    bottom: -140px;
    left: -120px;
    background: rgba(118, 75, 162, 0.6);
}

#myFooter .container {
    position: relative;
    z-index: 1;
}

#myFooter h2.logo img {
    max-width: 160px;
    height: auto;
    filter: drop-shadow(0 6px 20px rgba(0,0,0,0.25));
    transition: var(--transition-base);
}

#myFooter h2.logo img:hover {
    transform: translateY(-3px) scale(1.02);
}

#myFooter h5 {
    color: #ffffff;
    font-weight: 700;
    margin-bottom: 1rem;
}

#myFooter ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

#myFooter ul li {
    margin: 0.4rem 0;
}

#myFooter a {
    color: rgba(255, 255, 255, 0.92);
    transition: var(--transition-base);
}

#myFooter a:hover {
    color: #ffffff;
    text-decoration: none;
    transform: translateX(3px);
}

/* Social icons */
#myFooter .social-networks a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    margin-inline-end: 8px;
    border-radius: 50%;
    color: #ffffff;
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.25);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-bounce);
}

#myFooter .social-networks a:hover {
    background: #ffffff;
    color: var(--primary-color);
    transform: translateY(-3px);
}

/* Footer button */
#myFooter .btn.btn-default {
    background: rgba(255, 255, 255, 0.15);
    color: #ffffff;
    border: none;
    border-radius: 30px;
    padding: 0.5rem 1rem;
    box-shadow: var(--shadow-sm);
}

#myFooter .btn.btn-default:hover {
    background: #ffffff;
    color: var(--primary-color);
}

/* Divider area */
#myFooter .footer-copyright {
    margin-top: 1.5rem;
    background: rgba(0, 0, 0, 0.1);
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    text-align: center;
    padding: 0.9rem 0;
}

#myFooter .footer-copyright p {
    margin: 0;
    color: rgba(255, 255, 255, 0.9);
}

/* Responsive tweaks */
@media (max-width: 767.98px) {
    #myFooter { padding-top: 2rem; }
    #myFooter .col-sm-3, 
    #myFooter .col-sm-2 { margin-bottom: 1.25rem; }
    #myFooter h2.logo { text-align: center; }
    #myFooter h2.logo img { max-width: 130px; }
}
.shadow-sm { box-shadow: var(--shadow-sm) !important; }
.shadow-md { box-shadow: var(--shadow-md) !important; }
.shadow-lg { box-shadow: var(--shadow-lg) !important; }
.shadow-xl { box-shadow: var(--shadow-xl) !important; }
.shadow-none { box-shadow: none !important; }

/* Border Radius */
.rounded-xs { border-radius: var(--radius-sm) !important; }
.rounded-sm { border-radius: var(--radius-md) !important; }
.rounded-lg { border-radius: var(--radius-lg) !important; }
.rounded-xl { border-radius: var(--radius-xl) !important; }
.rounded-full { border-radius: var(--radius-full) !important; }

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

/* Flex */
.flex-column { flex-direction: column !important; }
.flex-row { flex-direction: row !important; }
.justify-content-start { justify-content: flex-start !important; }
.justify-content-center { justify-content: center !important; }
.justify-content-end { justify-content: flex-end !important; }
.justify-content-between { justify-content: space-between !important; }
.align-items-start { align-items: flex-start !important; }
.align-items-center { align-items: center !important; }
.align-items-end { align-items: flex-end !important; }

/* Position */
.position-relative { position: relative !important; }
.position-absolute { position: absolute !important; }
.position-fixed { position: fixed !important; }
.position-sticky { position: sticky !important; }

/* ====== ENHANCED COMPONENTS ====== */

/* Modern Buttons */
.btn-modern {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-lg);
    font-family: var(--font-family);
    font-weight: 600;
    font-size: var(--font-size-sm);
    line-height: 1.5;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition-base);
    text-decoration: none;
    position: relative;
    overflow: hidden;
    -webkit-user-select: none;
    user-select: none;
    box-shadow: var(--shadow-sm);
}

.btn-modern:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    text-decoration: none;
}

.btn-modern:active {
    transform: translateY(0);
    box-shadow: var(--shadow-sm);
}

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

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

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

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

.btn-modern.btn-info {
    background: var(--info-gradient);
    color: white;
}

/* Modern Cards */
.card-modern {
    background: var(--bg-primary);
    border: none;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
    overflow: hidden;
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
}

.card-modern:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.card-modern .card-header {
    background: var(--primary-gradient);
    color: white;
    border: none;
    padding: var(--space-lg);
    font-weight: 600;
}

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

/* Modern Forms */
.form-control-modern {
    background: var(--bg-primary);
    border: 2px solid var(--bg-light);
    border-radius: var(--radius-md);
    padding: var(--space-sm) var(--space-md);
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    transition: var(--transition-base);
    color: var(--text-primary);
}

.form-control-modern:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(102, 126, 234, 0.25);
    outline: none;
}

.form-control-modern::placeholder {
    color: var(--text-muted);
}

/* Modern Tables */
.table-modern {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.table-modern thead th {
    background: var(--primary-gradient);
    color: white;
    border: none;
    font-weight: 600;
    padding: var(--space-md);
    text-align: center;
}

.table-modern tbody tr {
    transition: var(--transition-base);
    border-bottom: 1px solid var(--bg-light);
}

.table-modern tbody tr:hover {
    background-color: rgba(102, 126, 234, 0.05);
    transform: scale(1.01);
}

.table-modern tbody td {
    padding: var(--space-md);
    vertical-align: middle;
    text-align: center;
}

/* Modern Alerts */
.alert-modern {
    border: none;
    border-radius: var(--radius-md);
    padding: var(--space-md) var(--space-lg);
    margin-bottom: var(--space-lg);
    position: relative;
    border-left: 4px solid;
}

.alert-modern.alert-success {
    background: linear-gradient(135deg, rgba(17, 153, 142, 0.1) 0%, rgba(56, 239, 125, 0.1) 100%);
    border-left-color: var(--success-color);
    color: var(--success-color);
}

.alert-modern.alert-warning {
    background: linear-gradient(135deg, rgba(255, 193, 7, 0.1) 0%, rgba(255, 235, 59, 0.1) 100%);
    border-left-color: var(--warning-color);
    color: #856404;
}

.alert-modern.alert-danger {
    background: linear-gradient(135deg, rgba(220, 53, 69, 0.1) 0%, rgba(248, 215, 218, 0.1) 100%);
    border-left-color: var(--danger-color);
    color: var(--danger-color);
}

.alert-modern.alert-info {
    background: linear-gradient(135deg, rgba(23, 162, 184, 0.1) 0%, rgba(179, 229, 252, 0.1) 100%);
    border-left-color: var(--info-color);
    color: var(--info-color);
}

/* ====== ANIMATIONS ====== */

/* Fade In */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Scale */
@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* Pulse */
@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

/* Bounce */
@keyframes bounce {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

/* Animation Classes */
.animate-fade-in { animation: fadeIn 0.6s ease-out; }
.animate-fade-in-up { animation: fadeInUp 0.6s ease-out; }
.animate-fade-in-down { animation: fadeInDown 0.6s ease-out; }
.animate-fade-in-left { animation: fadeInLeft 0.6s ease-out; }
.animate-fade-in-right { animation: fadeInRight 0.6s ease-out; }
.animate-scale-in { animation: scaleIn 0.4s ease-out; }
.animate-pulse { animation: pulse 2s infinite; }
.animate-bounce { animation: bounce 1s infinite; }

/* ====== RESPONSIVE DESIGN ====== */

/* Mobile First */
@media (max-width: 576px) {
    :root {
        --font-size-base: 0.9rem;
        --space-md: 0.75rem;
        --space-lg: 1rem;
        --space-xl: 1.5rem;
    }
    
    .btn-modern {
        padding: var(--space-sm) var(--space-md);
        font-size: var(--font-size-xs);
    }
    
    .card-modern .card-body {
        padding: var(--space-md);
    }
}

/* Tablet */
@media (min-width: 768px) {
    .container-tablet {
        max-width: 720px;
        margin: 0 auto;
        padding: 0 var(--space-md);
    }
}

/* Desktop */
@media (min-width: 1024px) {
    .container-desktop {
        max-width: 1200px;
        margin: 0 auto;
        padding: 0 var(--space-lg);
    }
}

/* Large Desktop */
@media (min-width: 1440px) {
    .container-large {
        max-width: 1400px;
        margin: 0 auto;
        padding: 0 var(--space-xl);
    }
}

/* ====== PRINT STYLES ====== */
@media print {
    .no-print {
        display: none !important;
    }
    
    body {
        background: white !important;
        color: black !important;
        font-size: 12pt;
        line-height: 1.4;
    }
    
    .card-modern {
        box-shadow: none;
        border: 1px solid #ddd;
    }
    
    .btn-modern {
        display: none;
    }
}

/* ====== ACCESSIBILITY ====== */

/* Focus Indicators */
*:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Screen Reader Only */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
    :root {
        --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.3);
        --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.3);
        --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.3);
    }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* ====== CUSTOM SCROLLBAR ====== */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-light);
    border-radius: var(--radius-sm);
}

::-webkit-scrollbar-thumb {
    background: var(--primary-gradient);
    border-radius: var(--radius-sm);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--dark-gradient);
}

/* Firefox Scrollbar (supported browsers only) */
@supports (scrollbar-width: thin) {
    html {
        scrollbar-width: thin;
        scrollbar-color: var(--primary-color) var(--bg-light);
    }
}

/* ====== SELECTION ====== */
::selection {
    background: var(--primary-color);
    color: white;
    text-shadow: none;
}

::-moz-selection {
    background: var(--primary-color);
    color: white;
    text-shadow: none;
}