/**
 * KissMe Main Stylesheet
 * 
 * Provides styling for the KissMe social platform
 * Supports multilingual content (EN, AR, RU, IT) with RTL compatibility
 * 
 * @version 1.0.0
 * @created 2025-07-05 14:19:13
 * @author mahranalsarminy
 */

/* ======================================
   Table of Contents:
   
   1. Root Variables
   2. Base Styles
   3. Layout & Grid
   4. Typography
   5. Buttons & Forms
   6. Navigation
   7. Cards & Containers
   8. Headers & Footers
   9. Effects & Animations
   10. Responsive Design
   11. Utilities
   12. RTL Support
   13. Dark Mode Support
   ====================================== */

/* ======================================
   1. Root Variables
   ====================================== */
:root {
    /* Color Scheme */
    --gradient-start: #9c27b0;
    --gradient-mid: #8e24aa;
    --gradient-end: #e91e63;
    --primary: #ff4081;
    --primary-light: #ff80ab;
    --primary-dark: #f50057;
    --secondary: #7c4dff;
    --secondary-light: #b47cff;
    --secondary-dark: #651fff;
    --accent: #00bcd4;
    --success: #4caf50;
    --warning: #ff9800;
    --danger: #f44336;
    --info: #2196f3;
    
    /* Text Colors */
    --text-light: #ffffff;
    --text-dark: #333333;
    --text-muted: #9e9e9e;
    
    /* Background Colors */
    --bg-primary: #ffffff;
    --bg-secondary: #f5f5f5;
    --bg-tertiary: #e0e0e0;
    --bg-dark: #212121;
    
    /* Card & Container Styles */
    --card-bg: rgba(255, 255, 255, 0.15);
    --card-border: rgba(255, 255, 255, 0.2);
    --card-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
    --card-radius: 20px;
    
    /* Form Styles */
    --form-bg: rgba(255, 255, 255, 0.95);
    --form-text: #424242;
    --form-border: #e0e0e0;
    --input-radius: 10px;
    
    /* Effects */
    --backdrop-blur: 20px;
    --animation-speed: 0.3s;
    
    /* Spacing */
    --space-xs: 5px;
    --space-sm: 10px;
    --space-md: 15px;
    --space-lg: 25px;
    --space-xl: 40px;
    
    /* Fonts */
    --font-heading: 'Playfair Display', serif;
    --font-body: 'Poppins', sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-md: 1rem;
    --font-size-lg: 1.25rem;
    --font-size-xl: 1.5rem;
    --font-size-2xl: 2rem;
    --font-size-3xl: 2.5rem;
    --font-size-4xl: 3rem;
    
    /* Z-index Layers */
    --z-back: -1;
    --z-normal: 1;
    --z-above: 10;
    --z-modal: 50;
    --z-popup: 75;
    --z-overlay: 90;
    --z-highest: 100;
}

/* ======================================
   2. Base Styles
   ====================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: var(--font-body);
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-mid), var(--gradient-end));
    color: var(--text-light);
    min-height: 100vh;
    overflow-x: hidden;
    display: flex;
    flex-direction: column;
    align-items: center;
    animation: gradient-animation 15s ease infinite;
    background-size: 400% 400%;
    position: relative;
    perspective: 1000px;
    line-height: 1.6;
}

body[dir="rtl"] {
    font-family: 'Poppins', 'Noto Sans Arabic', sans-serif;
}

/* ======================================
   3. Layout & Grid
   ====================================== */
.container {
    width: 90%;
    max-width: 1300px;
    margin: 0 auto;
    padding: 30px 20px;
    position: relative;
    z-index: var(--z-normal);
}

.row {
    display: flex;
    flex-wrap: wrap;
    margin: 0 -15px;
}

.col {
    padding: 0 15px;
    flex: 1;
}

.col-full {
    width: 100%;
    padding: 0 15px;
}

.col-half {
    width: 50%;
    padding: 0 15px;
}

.col-third {
    width: 33.333%;
    padding: 0 15px;
}

.col-quarter {
    width: 25%;
    padding: 0 15px;
}

.col-two-thirds {
    width: 66.666%;
    padding: 0 15px;
}

.col-three-quarters {
    width: 75%;
    padding: 0 15px;
}

.flex {
    display: flex;
}

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

.justify-start {
    justify-content: flex-start;
}

.justify-center {
    justify-content: center;
}

.justify-end {
    justify-content: flex-end;
}

.justify-between {
    justify-content: space-between;
}

.justify-around {
    justify-content: space-around;
}

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

.align-center {
    align-items: center;
}

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

.gap-sm {
    gap: var(--space-sm);
}

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

.gap-lg {
    gap: var(--space-lg);
}

/* ======================================
   4. Typography
   ====================================== */
h1, h2, h3, h4, h5, h6 {
    margin-bottom: 0.5em;
    font-weight: 700;
    line-height: 1.2;
}

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-md);
}

p {
    margin-bottom: 1em;
}

a {
    color: var(--primary);
    text-decoration: none;
    transition: all var(--animation-speed) ease;
}

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

small {
    font-size: var(--font-size-sm);
}

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

.text-start {
    text-align: start;
}

.text-end {
    text-align: end;
}

.text-primary {
    color: var(--primary);
}

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

.text-accent {
    color: var(--accent);
}

.text-success {
    color: var(--success);
}

.text-warning {
    color: var(--warning);
}

.text-danger {
    color: var(--danger);
}

.text-info {
    color: var(--info);
}

.text-light {
    color: var(--text-light);
}

.text-dark {
    color: var(--text-dark);
}

.text-muted {
    color: var(--text-muted);
}

.font-heading {
    font-family: var(--font-heading);
}

.font-body {
    font-family: var(--font-body);
}

.font-weight-light {
    font-weight: 300;
}

.font-weight-normal {
    font-weight: 400;
}

.font-weight-medium {
    font-weight: 500;
}

.font-weight-semibold {
    font-weight: 600;
}

.font-weight-bold {
    font-weight: 700;
}

.font-size-xs {
    font-size: var(--font-size-xs);
}

.font-size-sm {
    font-size: var(--font-size-sm);
}

.font-size-md {
    font-size: var(--font-size-md);
}

.font-size-lg {
    font-size: var(--font-size-lg);
}

.font-size-xl {
    font-size: var(--font-size-xl);
}

.font-size-2xl {
    font-size: var(--font-size-2xl);
}

.font-size-3xl {
    font-size: var(--font-size-3xl);
}

.font-size-4xl {
    font-size: var(--font-size-4xl);
}

/* ======================================
   5. Buttons & Forms
   ====================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 30px;
    border-radius: 30px;
    font-size: 1rem;
    font-weight: 500;
    text-decoration: none;
    transition: all var(--animation-speed) ease;
    cursor: pointer;
    border: none;
    outline: none;
    position: relative;
    overflow: hidden;
}

.btn:after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 5px;
    height: 5px;
    background: rgba(255, 255, 255, 0.5);
    opacity: 0;
    border-radius: 100%;
    transform: scale(1, 1) translate(-50%);
    transform-origin: 50% 50%;
}

.btn:focus:not(:active)::after {
    animation: ripple 1s ease-out;
}

@keyframes ripple {
    0% {
        transform: scale(0, 0);
        opacity: 0.5;
    }
    20% {
        transform: scale(25, 25);
        opacity: 0.3;
    }
    100% {
        opacity: 0;
        transform: scale(40, 40);
    }
}

.btn i {
    margin-right: 8px;
}

[dir="rtl"] .btn i {
    margin-right: 0;
    margin-left: 8px;
}

.btn-primary {
    background: var(--primary);
    color: white;
    box-shadow: 0 4px 15px rgba(255, 64, 129, 0.3);
}

.btn-primary:hover {
    background: var(--primary-dark);
    color: white;
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(255, 64, 129, 0.4);
}

.btn-secondary {
    background: var(--secondary);
    color: white;
    box-shadow: 0 4px 15px rgba(124, 77, 255, 0.3);
}

.btn-secondary:hover {
    background: var(--secondary-dark);
    color: white;
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(124, 77, 255, 0.4);
}

.btn-accent {
    background: var(--accent);
    color: white;
    box-shadow: 0 4px 15px rgba(0, 188, 212, 0.3);
}

.btn-accent:hover {
    background: var(--accent);
    color: white;
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 188, 212, 0.4);
}

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

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

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

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

.btn-outline {
    background: transparent;
    color: var(--text-light);
    border: 2px solid rgba(255, 255, 255, 0.5);
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: white;
    transform: translateY(-3px);
}

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

.btn-outline-primary:hover {
    background: rgba(255, 64, 129, 0.1);
    transform: translateY(-3px);
}

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

.btn-outline-secondary:hover {
    background: rgba(124, 77, 255, 0.1);
    transform: translateY(-3px);
}

.btn-lg {
    padding: 15px 35px;
    font-size: 1.1rem;
    border-radius: 35px;
}

.btn-sm {
    padding: 8px 20px;
    font-size: 0.9rem;
    border-radius: 25px;
}

.btn-xs {
    padding: 5px 15px;
    font-size: 0.8rem;
    border-radius: 20px;
}

.btn-block {
    display: block;
    width: 100%;
}

.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--text-dark);
}

.form-control {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid var(--form-border);
    border-radius: var(--input-radius);
    font-size: 1rem;
    font-family: inherit;
    transition: all var(--animation-speed) ease;
    background: rgba(255, 255, 255, 0.8);
}

.form-control:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(0, 188, 212, 0.2);
    outline: none;
    background: white;
}

.form-control::placeholder {
    color: #aaa;
}

.input-with-icon {
    position: relative;
}

.input-with-icon input {
    padding-left: 40px;
}

.input-with-icon i {
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: #9e9e9e;
    transition: color var(--animation-speed) ease;
}

.input-with-icon input:focus + i {
    color: var(--accent);
}

[dir="rtl"] .input-with-icon input {
    padding-left: 15px;
    padding-right: 40px;
}

[dir="rtl"] .input-with-icon i {
    left: auto;
    right: 15px;
}

.checkbox-group {
    display: flex;
    align-items: center;
}

.checkbox-group input[type="checkbox"] {
    position: absolute;
    opacity: 0;
    cursor: pointer;
    height: 0;
    width: 0;
}

.checkbox-group label {
    padding-left: 28px;
    position: relative;
    cursor: pointer;
    user-select: none;
    display: inline-block;
    margin-bottom: 0;
}

.checkbox-group label:before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 18px;
    height: 18px;
    border: 2px solid var(--form-border);
    border-radius: 4px;
    background: white;
    transition: all 0.2s ease;
}

.checkbox-group input:checked + label:before {
    background: var(--secondary);
    border-color: var(--secondary);
}

.checkbox-group label:after {
    content: '';
    position: absolute;
    left: 6px;
    top: 3px;
    width: 6px;
    height: 10px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
    display: none;
}

.checkbox-group input:checked + label:after {
    display: block;
}

[dir="rtl"] .checkbox-group label {
    padding-left: 0;
    padding-right: 28px;
}

[dir="rtl"] .checkbox-group label:before {
    left: auto;
    right: 0;
}

[dir="rtl"] .checkbox-group label:after {
    left: auto;
    right: 6px;
}

.form-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 20px;
    flex-wrap: wrap;
    gap: 10px;
}

/* ======================================
   6. Navigation
   ====================================== */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
    position: relative;
}

.navbar-brand {
    display: flex;
    align-items: center;
}

.navbar-logo {
    font-family: var(--font-heading);
    font-size: 2rem;
    color: var(--text-light);
    text-decoration: none;
}

.navbar-toggler {
    display: none;
    background: none;
    border: none;
    color: var(--text-light);
    cursor: pointer;
    font-size: 1.5rem;
}

.navbar-nav {
    display: flex;
    align-items: center;
    list-style: none;
    gap: 20px;
}

.nav-item {
    position: relative;
}

.nav-link {
    color: var(--text-light);
    font-weight: 500;
    text-decoration: none;
    padding: 5px 10px;
    transition: all var(--animation-speed) ease;
}

.nav-link:hover {
    color: rgba(255, 255, 255, 0.8);
}

.nav-link.active {
    color: var(--primary);
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: white;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    padding: 10px 0;
    margin-top: 10px;
    z-index: var(--z-above);
    min-width: 180px;
    display: none;
    transform: translateY(10px);
    animation: fadeInUp 0.3s forwards;
    border: 1px solid rgba(0,0,0,0.05);
}

[dir="rtl"] .dropdown-menu {
    left: auto;
    right: 0;
}

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

.dropdown-item {
    display: block;
    padding: 8px 20px;
    color: var(--text-dark);
    text-decoration: none;
    transition: background 0.3s;
}

.dropdown-item:hover {
    background: #f5f5f5;
    color: var(--primary);
}

.dropdown-divider {
    height: 1px;
    background: #eee;
    margin: 8px 0;
}

/* ======================================
   7. Cards & Containers
   ====================================== */
.card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    backdrop-filter: blur(var(--backdrop-blur));
    -webkit-backdrop-filter: blur(var(--backdrop-blur));
    border-radius: var(--card-radius);
    overflow: hidden;
    transition: all 0.5s ease;
    box-shadow: var(--card-shadow);
    position: relative;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0,0,0,0.2);
}

.card-header {
    padding: 20px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.card-body {
    padding: 20px;
}

.card-footer {
    padding: 20px;
    border-top: 1px solid rgba(255,255,255,0.1);
}

.card-title {
    font-size: 1.3rem;
    margin-bottom: 10px;
}

.card-subtitle {
    font-size: 1rem;
    opacity: 0.8;
    margin-bottom: 15px;
}

.card-text {
    margin-bottom: 15px;
}

.card-img-top {
    width: 100%;
    height: auto;
    display: block;
}

.card-3d {
    transform-style: preserve-3d;
    transform: perspective(1000px) rotateX(0deg) rotateY(0deg);
}

.box {
    padding: 20px;
    border-radius: var(--card-radius);
    margin-bottom: 20px;
}

.box-primary {
    background-color: rgba(255, 64, 129, 0.2);
}

.box-secondary {
    background-color: rgba(124, 77, 255, 0.2);
}

.box-accent {
    background-color: rgba(0, 188, 212, 0.2);
}

.box-success {
    background-color: rgba(76, 175, 80, 0.2);
}

.box-warning {
    background-color: rgba(255, 152, 0, 0.2);
}

.box-danger {
    background-color: rgba(244, 67, 54, 0.2);
}

.box-info {
    background-color: rgba(33, 150, 243, 0.2);
}

.list-group {
    border-radius: var(--card-radius);
    overflow: hidden;
}

.list-group-item {
    padding: 15px 20px;
    background: var(--card-bg);
    border-bottom: 1px solid var(--card-border);
    transition: all 0.3s ease;
}

.list-group-item:last-child {
    border-bottom: none;
}

.list-group-item:hover {
    background: rgba(255, 255, 255, 0.2);
}

.avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    overflow: hidden;
    border: 2px solid white;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.avatar-sm {
    width: 30px;
    height: 30px;
}

.avatar-lg {
    width: 60px;
    height: 60px;
}

.avatar-xl {
    width: 80px;
    height: 80px;
}

/* ======================================
   8. Headers & Footers
   ====================================== */
.header {
    padding: 20px 0;
}

.page-header {
    margin-bottom: 40px;
    padding-bottom: 20px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.page-title {
    font-size: 2.5rem;
    margin-bottom: 10px;
    font-weight: 700;
}

.page-subtitle {
    font-size: 1.2rem;
    opacity: 0.8;
}

.footer {
    padding: 60px 0 40px;
    background: rgba(0,0,0,0.3);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    margin-top: auto;
    width: 100%;
    position: relative;
}

.footer:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(90deg, var(--primary) 0%, var(--secondary) 100%);
}

.footer-content {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 50px;
    max-width: 1300px;
    margin: 0 auto;
    padding: 0 20px;
}

.footer-logo {
    flex: 1;
    min-width: 250px;
    max-width: 350px;
}

.footer-logo-text {
    font-family: var(--font-heading);
    font-size: 2.2rem;
    margin-bottom: 20px;
}

.footer-description {
    line-height: 1.8;
    opacity: 0.8;
    margin-bottom: 25px;
    font-size: 1.05rem;
}

.footer-links {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.footer-links h3 {
    font-size: 1.3rem;
    margin-bottom: 25px;
    position: relative;
    padding-bottom: 12px;
}

.footer-links h3:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 3px;
    background: var(--primary);
    border-radius: 3px;
}

[dir="rtl"] .footer-links h3:after {
    left: auto;
    right: 0;
}

.footer-links ul {
    list-style: none;
}

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: var(--text-light);
    text-decoration: none;
    opacity: 0.8;
    transition: all 0.3s ease;
    position: relative;
    padding-left: 15px;
}

.footer-links a:before {
    content: '›';
    position: absolute;
    left: 0;
    transition: transform 0.3s ease;
}

[dir="rtl"] .footer-links a {
    padding-left: 0;
    padding-right: 15px;
}

[dir="rtl"] .footer-links a:before {
    content: '‹';
    left: auto;
    right: 0;
}

.footer-links a:hover {
    opacity: 1;
    padding-left: 20px;
}

[dir="rtl"] .footer-links a:hover {
    padding-left: 0;
    padding-right: 20px;
}

.footer-links a:hover:before {
    transform: translateX(3px);
}

[dir="rtl"] .footer-links a:hover:before {
    transform: translateX(-3px);
}

.footer-bottom {
    text-align: center;
    padding-top: 50px;
    opacity: 0.7;
    font-size: 0.95rem;
    border-top: 1px solid rgba(255,255,255,0.1);
    margin-top: 40px;
}

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

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
    100% { transform: translateY(0px); }
}

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

.fade-in {
    animation: fadeIn 0.5s ease-in-out;
}

.fade-in-up {
    animation: fadeInUp 0.5s ease-in-out;
}

.fade-in-down {
    animation: fadeInDown 0.5s ease-in-out;
}

.fade-in-left {
    animation: fadeInLeft 0.5s ease-in-out;
}

.fade-in-right {
    animation: fadeInRight 0.5s ease-in-out;
}

.pulse {
    animation: pulse 2s ease-in-out infinite;
}

.float {
    animation: float 3s ease-in-out infinite;
}

.transition-all {
    transition: all var(--animation-speed) ease;
}

.hover-lift:hover {
    transform: translateY(-5px);
}

.hover-scale:hover {
    transform: scale(1.05);
}

.hover-rotate:hover {
    transform: rotate(5deg);
}

/* ======================================
   10. Responsive Design
   ====================================== */
@media (max-width: 1200px) {
    html {
        font-size: 15px;
    }
}

@media (max-width: 992px) {
    html {
        font-size: 14px;
    }
    
    .col-half, .col-third, .col-quarter, .col-two-thirds, .col-three-quarters {
        width: 100%;
        margin-bottom: 20px;
    }
    
    .navbar-toggler {
        display: block;
    }
    
    .navbar-nav {
        position: fixed;
        top: 0;
        right: -300px;
        height: 100vh;
        width: 250px;
        background: var(--bg-dark);
        box-shadow: -5px 0 30px rgba(0,0,0,0.3);
        flex-direction: column;
        padding: 60px 20px 20px;
        transition: right 0.3s ease;
        z-index: var(--z-modal);
    }
    
    [dir="rtl"] .navbar-nav {
        right: auto;
        left: -300px;
        transition: left 0.3s ease;
    }
    
    .navbar-nav.show {
        right: 0;
    }
    
    [dir="rtl"] .navbar-nav.show {
        left: 0;
        right: auto;
    }
    
    .navbar-close {
        position: absolute;
        top: 20px;
        right: 20px;
        font-size: 1.5rem;
        background: none;
        border: none;
        color: var(--text-light);
        cursor: pointer;
    }
    
    [dir="rtl"] .navbar-close {
        right: auto;
        left: 20px;
    }
    
    .dropdown-menu {
        position: static;
        box-shadow: none;
        margin-top: 10px;
        width: 100%;
    }
}

@media (max-width: 768px) {
    html {
        font-size: 13px;
    }
    
    .container {
        padding: 20px 15px;
    }
    
    .row {
        margin: 0 -10px;
    }
    
    .col {
        padding: 0 10px;
    }
    
    .col-half, .col-third, .col-quarter {
        width: 100%;
    }
    
    .footer-content {
        flex-direction: column;
    }
    
    .footer-links {
        margin-bottom: 30px;
    }
}

@media (max-width: 480px) {
    html {
        font-size: 12px;
    }
    
    .btn {
        padding: 10px 20px;
    }
    
    .btn-lg {
        padding: 12px 25px;
    }
    
    .btn-sm {
        padding: 6px 15px;
    }
    
    .form-group {
        margin-bottom: 20px;
    }
    
    .form-footer {
        flex-direction: column;
        align-items: flex-start;
    }
}

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

.mt-0 { margin-top: 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-0 { margin-bottom: 0 !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; }

.ml-0 { margin-left: 0 !important; }
.ml-1 { margin-left: var(--space-xs) !important; }
.ml-2 { margin-left: var(--space-sm) !important; }
.ml-3 { margin-left: var(--space-md) !important; }
.ml-4 { margin-left: var(--space-lg) !important; }
.ml-5 { margin-left: var(--space-xl) !important; }

.mr-0 { margin-right: 0 !important; }
.mr-1 { margin-right: var(--space-xs) !important; }
.mr-2 { margin-right: var(--space-sm) !important; }
.mr-3 { margin-right: var(--space-md) !important; }
.mr-4 { margin-right: var(--space-lg) !important; }
.mr-5 { margin-right: var(--space-xl) !important; }

.mx-0 { margin-left: 0 !important; margin-right: 0 !important; }
.mx-1 { margin-left: var(--space-xs) !important; margin-right: var(--space-xs) !important; }
.mx-2 { margin-left: var(--space-sm) !important; margin-right: var(--space-sm) !important; }
.mx-3 { margin-left: var(--space-md) !important; margin-right: var(--space-md) !important; }
.mx-4 { margin-left: var(--space-lg) !important; margin-right: var(--space-lg) !important; }
.mx-5 { margin-left: var(--space-xl) !important; margin-right: var(--space-xl) !important; }
.mx-auto { margin-left: auto !important; margin-right: auto !important; }

.my-0 { margin-top: 0 !important; margin-bottom: 0 !important; }
.my-1 { margin-top: var(--space-xs) !important; margin-bottom: var(--space-xs) !important; }
.my-2 { margin-top: var(--space-sm) !important; margin-bottom: var(--space-sm) !important; }
.my-3 { margin-top: var(--space-md) !important; margin-bottom: var(--space-md) !important; }
.my-4 { margin-top: var(--space-lg) !important; margin-bottom: var(--space-lg) !important; }
.my-5 { margin-top: var(--space-xl) !important; margin-bottom: var(--space-xl) !important; }

.p-0 { padding: 0 !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; }

.pt-0 { padding-top: 0 !important; }
.pt-1 { padding-top: var(--space-xs) !important; }
.pt-2 { padding-top: var(--space-sm) !important; }
.pt-3 { padding-top: var(--space-md) !important; }
.pt-4 { padding-top: var(--space-lg) !important; }
.pt-5 { padding-top: var(--space-xl) !important; }

.pb-0 { padding-bottom: 0 !important; }
.pb-1 { padding-bottom: var(--space-xs) !important; }
.pb-2 { padding-bottom: var(--space-sm) !important; }
.pb-3 { padding-bottom: var(--space-md) !important; }
.pb-4 { padding-bottom: var(--space-lg) !important; }
.pb-5 { padding-bottom: var(--space-xl) !important; }

.pl-0 { padding-left: 0 !important; }
.pl-1 { padding-left: var(--space-xs) !important; }
.pl-2 { padding-left: var(--space-sm) !important; }
.pl-3 { padding-left: var(--space-md) !important; }
.pl-4 { padding-left: var(--space-lg) !important; }
.pl-5 { padding-left: var(--space-xl) !important; }

.pr-0 { padding-right: 0 !important; }
.pr-1 { padding-right: var(--space-xs) !important; }
.pr-2 { padding-right: var(--space-sm) !important; }
.pr-3 { padding-right: var(--space-md) !important; }
.pr-4 { padding-right: var(--space-lg) !important; }
.pr-5 { padding-right: var(--space-xl) !important; }

.px-0 { padding-left: 0 !important; padding-right: 0 !important; }
.px-1 { padding-left: var(--space-xs) !important; padding-right: var(--space-xs) !important; }
.px-2 { padding-left: var(--space-sm) !important; padding-right: var(--space-sm) !important; }
.px-3 { padding-left: var(--space-md) !important; padding-right: var(--space-md) !important; }
.px-4 { padding-left: var(--space-lg) !important; padding-right: var(--space-lg) !important; }
.px-5 { padding-left: var(--space-xl) !important; padding-right: var(--space-xl) !important; }

.py-0 { padding-top: 0 !important; padding-bottom: 0 !important; }
.py-1 { padding-top: var(--space-xs) !important; padding-bottom: var(--space-xs) !important; }
.py-2 { padding-top: var(--space-sm) !important; padding-bottom: var(--space-sm) !important; }
.py-3 { padding-top: var(--space-md) !important; padding-bottom: var(--space-md) !important; }
.py-4 { padding-top: var(--space-lg) !important; padding-bottom: var(--space-lg) !important; }
.py-5 { padding-top: var(--space-xl) !important; padding-bottom: var(--space-xl) !important; }

.d-none { display: none !important; }
.d-inline { display: inline !important; }
.d-inline-block { display: inline-block !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 !important; }
.flex-column { flex-direction: column !important; }
.flex-wrap { flex-wrap: wrap !important; }
.flex-nowrap { flex-wrap: nowrap !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; }
.justify-content-around { justify-content: space-around !important; }
.align-items-start { align-items: flex-start !important; }
.align-items-center { align-items: center !important; }
.align-items-end { align-items: flex-end !important; }

.w-25 { width: 25% !important; }
.w-50 { width: 50% !important; }
.w-75 { width: 75% !important; }
.w-100 { width: 100% !important; }
.h-25 { height: 25% !important; }
.h-50 { height: 50% !important; }
.h-75 { height: 75% !important; }
.h-100 { height: 100% !important; }

.overflow-auto { overflow: auto !important; }
.overflow-hidden { overflow: hidden !important; }
.overflow-visible { overflow: visible !important; }
.overflow-scroll { overflow: scroll !important; }

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

.bg-primary { background-color: var(--primary) !important; }
.bg-secondary { background-color: var(--secondary) !important; }
.bg-accent { background-color: var(--accent) !important; }
.bg-success { background-color: var(--success) !important; }
.bg-warning { background-color: var(--warning) !important; }
.bg-danger { background-color: var(--danger) !important; }
.bg-info { background-color: var(--info) !important; }
.bg-light { background-color: var(--bg-secondary) !important; }
.bg-dark { background-color: var(--bg-dark) !important; }
.bg-transparent { background-color: transparent !important; }

.rounded { border-radius: 0.25rem !important; }
.rounded-sm { border-radius: 0.125rem !important; }
.rounded-lg { border-radius: 0.5rem !important; }
.rounded-xl { border-radius: 1rem !important; }
.rounded-circle { border-radius: 50% !important; }
.rounded-pill { border-radius: 50rem !important; }

.shadow-sm { box-shadow: 0 2px 4px rgba(0,0,0,.075) !important; }
.shadow { box-shadow: 0 4px 10px rgba(0,0,0,.15) !important; }
.shadow-lg { box-shadow: 0 10px 25px rgba(0,0,0,.2) !important; }
.shadow-none { box-shadow: none !important; }

.border { border: 1px solid var(--card-border) !important; }
.border-top { border-top: 1px solid var(--card-border) !important; }
.border-right { border-right: 1px solid var(--card-border) !important; }
.border-bottom { border-bottom: 1px solid var(--card-border) !important; }
.border-left { border-left: 1px solid var(--card-border) !important; }
.border-0 { border: 0 !important; }
.border-top-0 { border-top: 0 !important; }
.border-right-0 { border-right: 0 !important; }
.border-bottom-0 { border-bottom: 0 !important; }
.border-left-0 { border-left: 0 !important; }

.visible { visibility: visible !important; }
.invisible { visibility: hidden !important; }

/* ======================================
   12. RTL Support
   ====================================== */
[dir="rtl"] .ml-1 { margin-left: 0 !important; margin-right: var(--space-xs) !important; }
[dir="rtl"] .ml-2 { margin-left: 0 !important; margin-right: var(--space-sm) !important; }
[dir="rtl"] .ml-3 { margin-left: 0 !important; margin-right: var(--space-md) !important; }
[dir="rtl"] .ml-4 { margin-left: 0 !important; margin-right: var(--space-lg) !important; }
[dir="rtl"] .ml-5 { margin-left: 0 !important; margin-right: var(--space-xl) !important; }

[dir="rtl"] .mr-1 { margin-right: 0 !important; margin-left: var(--space-xs) !important; }
[dir="rtl"] .mr-2 { margin-right: 0 !important; margin-left: var(--space-sm) !important; }
[dir="rtl"] .mr-3 { margin-right: 0 !important; margin-left: var(--space-md) !important; }
[dir="rtl"] .mr-4 { margin-right: 0 !important; margin-left: var(--space-lg) !important; }
[dir="rtl"] .mr-5 { margin-right: 0 !important; margin-left: var(--space-xl) !important; }

[dir="rtl"] .pl-1 { padding-left: 0 !important; padding-right: var(--space-xs) !important; }
[dir="rtl"] .pl-2 { padding-left: 0 !important; padding-right: var(--space-sm) !important; }
[dir="rtl"] .pl-3 { padding-left: 0 !important; padding-right: var(--space-md) !important; }
[dir="rtl"] .pl-4 { padding-left: 0 !important; padding-right: var(--space-lg) !important; }
[dir="rtl"] .pl-5 { padding-left: 0 !important; padding-right: var(--space-xl) !important; }

[dir="rtl"] .pr-1 { padding-right: 0 !important; padding-left: var(--space-xs) !important; }
[dir="rtl"] .pr-2 { padding-right: 0 !important; padding-left: var(--space-sm) !important; }
[dir="rtl"] .pr-3 { padding-right: 0 !important; padding-left: var(--space-md) !important; }
[dir="rtl"] .pr-4 { padding-right: 0 !important; padding-left: var(--space-lg) !important; }
[dir="rtl"] .pr-5 { padding-right: 0 !important; padding-left: var(--space-xl) !important; }

[dir="rtl"] .text-start { text-align: right !important; }
[dir="rtl"] .text-end { text-align: left !important; }

[dir="rtl"] .border-right { border-right: 0 !important; border-left: 1px solid var(--card-border) !important; }
[dir="rtl"] .border-left { border-left: 0 !important; border-right: 1px solid var(--card-border) !important; }
[dir="rtl"] .border-right-0 { border-right: 0 !important; border-left: 0 !important; }
[dir="rtl"] .border-left-0 { border-left: 0 !important; border-right: 0 !important; }

/* ======================================
   13. Dark Mode Support
   ====================================== */
@media (prefers-color-scheme: dark) {
    :root {
        --form-bg: rgba(33, 33, 33, 0.95);
        --form-text: #f5f5f5;
        --form-border: #616161;
        --card-bg: rgba(33, 33, 33, 0.15);
    }
    
    .form-control {
        background: rgba(33, 33, 33, 0.7);
        color: #f5f5f5;
    }
    
    .form-control:focus {
        background: rgba(33, 33, 33, 0.9);
    }
    
    .dropdown-menu {
        background: #333;
    }
    
    .dropdown-item {
        color: #f5f5f5;
    }
    
    .dropdown-item:hover {
        background: #444;
        color: var(--primary);
    }
}