/* =================================
   RESPONSIVE DESIGN - MOBILE & TABLET
   ================================= */

/* Mobile Navigation Toggle */
.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
    z-index: 1001;
    margin-left: auto;
    position: relative;
}

.mobile-menu-toggle span {
    display: block;
    width: 25px;
    height: 3px;
    background: #4a5568;
    margin: 5px 0;
    transition: all 0.3s ease;
    border-radius: 2px;
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

/* Tablet Styles (768px - 1024px) */
@media (max-width: 1024px) {
    .container {
        max-width: 100%;
        padding: 15px;
    }

    /* Hero Section */
    .hero-section {
        padding: 60px 20px;
    }

    .hero-content h1 {
        font-size: 2.5rem;
    }

    .hero-content p {
        font-size: 1.1rem;
    }

    /* Features Grid */
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }

    /* Stats Section */
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }

    /* How It Works */
    .steps-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    /* Testimonials */
    .testimonials-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    /* Pricing Cards */
    .pricing-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
        padding: 0 20px;
    }

    /* Dashboard */
    .dashboard-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .stats-cards {
        grid-template-columns: repeat(2, 1fr);
    }

    /* Practice Page */
    .practice-container {
        padding: 20px;
    }

    .practice-header {
        flex-direction: column;
        gap: 15px;
    }

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

    .practice-sidebar {
        width: 100%;
        margin-bottom: 20px;
    }

    .practice-main {
        width: 100%;
    }
}

/* Mobile Styles (max-width: 767px) */
@media (max-width: 767px) {
    /* Navigation */
    .top-navigation {
        padding: 15px;
        position: relative;
        display: flex;
        justify-content: space-between;
        align-items: center;
    }

    .mobile-menu-toggle {
        display: none !important; /* Hide old mobile menu toggle */
    }
    
    .simple-mobile-toggle {
        display: flex !important;
    }

    .nav-menu {
        display: none;
        position: fixed;
        top: 0;
        right: -100%;
        width: 85%;
        max-width: 320px;
        height: 100vh;
        background: white;
        flex-direction: column;
        padding: 80px 20px 20px;
        gap: 5px;
        box-shadow: -5px 0 15px rgba(0, 0, 0, 0.1);
        transition: right 0.3s ease;
        z-index: 1001;
        overflow-y: auto;
        align-items: stretch;
        pointer-events: auto;
    }

    .nav-menu.active {
        display: flex !important;
        right: 0 !important;
        transform: translateX(0) !important;
        visibility: visible !important;
        opacity: 1 !important;
    }

    .nav-item {
        width: 100%;
        display: block;
    }
    
    .nav-item.dropdown {
        margin-left: 0 !important;
        margin-top: 15px;
        padding-top: 15px;
        border-top: 1px solid #e2e8f0;
    }

    .nav-item a.nav-link {
        display: block;
        width: 100%;
        padding: 12px 20px;
        text-align: left;
        border-radius: 8px;
        color: #4a5568;
        text-decoration: none;
        font-weight: 500;
        transition: all 0.2s;
    }
    
    .nav-item a.nav-link:hover,
    .nav-item a.nav-link:active {
        background: #f7fafc;
        color: #667eea;
    }
    
    .nav-item.active a.nav-link {
        background: #667eea;
        color: white;
    }

    .dropdown-menu {
        position: static !important;
        display: block !important;
        width: 100%;
        box-shadow: none !important;
        background: #f7fafc;
        margin-top: 10px;
        border-radius: 8px;
        padding: 5px;
        opacity: 1 !important;
        visibility: visible !important;
        transform: none !important;
    }
    
    .dropdown-toggle {
        display: none !important;
    }
    
    .dropdown-menu li {
        margin: 5px 0;
    }
    
    .dropdown-menu a {
        display: block;
        padding: 10px 15px;
        color: #4a5568;
        text-decoration: none;
        border-radius: 6px;
        transition: background 0.2s;
    }
    
    .dropdown-menu a:hover {
        background: #e2e8f0;
    }
    
    /* Ensure mobile menu links are clickable */
    @media (max-width: 767px) {
        .nav-menu a,
        .dropdown-menu a {
            pointer-events: auto !important;
            cursor: pointer !important;
            position: relative !important;
            z-index: 9999 !important;
        }
        
        .nav-menu.active {
            pointer-events: auto !important;
        }
        
        /* Ensure dropdown links are properly sized for touch */
        .dropdown-menu a {
            min-height: 44px !important;
            display: flex !important;
            align-items: center !important;
            touch-action: manipulation !important;
        }
    }

    /* Mobile Overlay */
    .mobile-overlay {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(0, 0, 0, 0.5);
        z-index: 999;
        pointer-events: none;
    }

    .mobile-overlay.active {
        display: block;
        pointer-events: auto;
    }
    
    /* Ensure mobile menu has higher z-index than overlay */
    .nav-menu.active {
        z-index: 1001 !important;
        pointer-events: auto !important;
    }
    
    /* Force mobile menu links to be clickable */
    @media (max-width: 767px) {
        .nav-menu.active {
            pointer-events: auto !important;
            z-index: 1001 !important;
        }
        
        .nav-menu.active a {
            pointer-events: auto !important;
            z-index: 1002 !important;
            position: relative !important;
            display: block !important;
            -webkit-tap-highlight-color: rgba(0,0,0,0.1);
            background: transparent !important;
            touch-action: manipulation !important;
        }
        
        .nav-menu.active .dropdown-menu a {
            pointer-events: auto !important;
            z-index: 1002 !important;
            position: relative !important;
            background: transparent !important;
            touch-action: manipulation !important;
        }
        
        /* Ensure dropdown menu itself is clickable */
        .nav-menu.active .dropdown-menu {
            pointer-events: auto !important;
            z-index: 1002 !important;
        }
    }

    /* Container */
    .container {
        padding: 10px;
    }

    /* Hero Section */
    .hero-section {
        padding: 40px 15px;
        text-align: center;
    }

    .hero-content h1 {
        font-size: 1.8rem;
        line-height: 1.3;
    }

    .hero-content p {
        font-size: 1rem;
        margin: 15px 0 25px;
    }

    .hero-buttons {
        flex-direction: column;
        gap: 15px;
        width: 100%;
    }

    .hero-buttons .btn {
        width: 100%;
        padding: 15px 20px;
    }

    /* Features Section */
    .features-grid {
        grid-template-columns: 1fr;
        gap: 15px;
        padding: 0 10px;
    }

    .feature-card {
        padding: 20px;
    }

    .feature-icon {
        font-size: 2rem;
        margin-bottom: 15px;
    }

    /* Stats Section */
    .stats-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }

    .stat-card {
        padding: 20px;
    }

    .stat-number {
        font-size: 2rem;
    }

    /* How It Works */
    .section-header h2 {
        font-size: 1.8rem;
    }

    .step-card {
        padding: 20px;
        text-align: center;
    }

    .step-number {
        width: 40px;
        height: 40px;
        font-size: 1.2rem;
    }

    /* Testimonials */
    .testimonial-card {
        padding: 20px;
    }

    /* Pricing Section */
    .pricing-grid {
        grid-template-columns: 1fr;
        gap: 20px;
        padding: 0;
    }

    .pricing-card {
        padding: 25px;
        margin: 0 10px;
    }

    .price {
        font-size: 2rem;
    }

    /* FAQ Section */
    .faq-item {
        padding: 15px;
    }

    .faq-question {
        font-size: 1rem;
        padding-right: 30px;
    }

    /* Footer */
    footer {
        padding: 30px 15px;
        text-align: center;
    }

    /* Forms */
    .form-group {
        margin-bottom: 15px;
    }

    .form-group label {
        font-size: 0.9rem;
    }

    .form-group input,
    .form-group select,
    .form-group textarea {
        padding: 12px;
        font-size: 16px; /* Prevents zoom on iOS */
    }

    /* Buttons */
    .btn {
        padding: 12px 20px;
        font-size: 1rem;
    }

    /* Dashboard Specific */
    .dashboard-header {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }

    .dashboard-header h1 {
        font-size: 1.5rem;
    }

    .stats-cards {
        grid-template-columns: 1fr;
        gap: 15px;
    }

    .session-card {
        padding: 15px;
    }

    .session-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }

    /* Practice Page */
    .practice-setup {
        padding: 20px;
    }

    .setup-header h2 {
        font-size: 1.5rem;
    }

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

    .form-row .form-group {
        width: 100%;
    }

    /* Question Display */
    .question-container {
        padding: 20px;
    }

    .question-text {
        font-size: 1.1rem;
    }

    .timer-display {
        font-size: 1.2rem;
    }

    /* Audio Controls */
    .audio-controls {
        flex-direction: column;
        gap: 15px;
    }

    .record-button,
    .stop-button {
        width: 100%;
        padding: 15px;
    }

    /* Feedback Section */
    .feedback-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }

    .feedback-card {
        padding: 15px;
    }

    /* Modal */
    .modal-content {
        width: 95%;
        margin: 20px auto;
        padding: 20px;
    }

    .modal-header h2 {
        font-size: 1.3rem;
    }

    /* Tables */
    .table-responsive {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    table {
        min-width: 500px;
    }

    /* Profile Page */
    .profile-section {
        padding: 20px;
    }

    .profile-header {
        flex-direction: column;
        text-align: center;
        gap: 15px;
    }

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

    /* Login/Signup Forms */
    .auth-container {
        padding: 20px;
    }

    .auth-card {
        padding: 25px;
        margin: 0 10px;
    }

    .auth-header h2 {
        font-size: 1.5rem;
    }

    /* Checkout Page */
    .stripe-checkout-wrapper {
        padding: 20px;
        margin: 20px 10px;
    }

    /* Payment Success */
    .payment-success-container {
        padding: 0 10px;
    }

    .payment-status {
        padding: 30px 20px;
    }

    /* Error Pages */
    .error-container {
        padding: 40px 20px;
        text-align: center;
    }

    .error-code {
        font-size: 3rem;
    }

    /* Utility Classes */
    .hide-mobile {
        display: none !important;
    }

    .show-mobile {
        display: block !important;
    }

    /* Text Adjustments */
    h1 {
        font-size: 1.8rem;
    }

    h2 {
        font-size: 1.5rem;
    }

    h3 {
        font-size: 1.3rem;
    }

    h4 {
        font-size: 1.1rem;
    }

    p {
        font-size: 0.95rem;
        line-height: 1.6;
    }

    /* Spacing Adjustments */
    .section {
        padding: 40px 0;
    }

    .mb-4 {
        margin-bottom: 20px;
    }

    .mb-3 {
        margin-bottom: 15px;
    }

    .mb-2 {
        margin-bottom: 10px;
    }

    /* Grid Adjustments */
    .grid-2,
    .grid-3,
    .grid-4 {
        grid-template-columns: 1fr;
    }

    /* Card Adjustments */
    .card {
        margin-bottom: 15px;
    }

    /* Toast Notifications */
    .toast {
        width: calc(100% - 20px);
        max-width: none;
        margin: 10px;
        font-size: 0.9rem;
    }
}

/* Small Mobile Devices (max-width: 375px) */
@media (max-width: 375px) {
    .hero-content h1 {
        font-size: 1.5rem;
    }

    .btn {
        font-size: 0.9rem;
        padding: 10px 15px;
    }

    .pricing-card {
        padding: 20px 15px;
    }

    .price {
        font-size: 1.8rem;
    }
}

/* Landscape Mobile */
@media (max-width: 767px) and (orientation: landscape) {
    .hero-section {
        padding: 30px 15px;
    }

    .hero-content h1 {
        font-size: 1.5rem;
    }

    .modal-content {
        max-height: 90vh;
        overflow-y: auto;
    }
}

/* Touch Device Optimizations */
@media (hover: none) and (pointer: coarse) {
    /* Larger touch targets */
    .btn,
    .nav-link,
    .dropdown-toggle {
        min-height: 44px;
        display: flex;
        align-items: center;
    }

    /* Remove hover effects on touch devices */
    .btn:hover,
    .nav-link:hover {
        transform: none;
    }

    /* Improve form inputs for touch */
    input,
    select,
    textarea {
        min-height: 44px;
        font-size: 16px;
    }
}

/* Print Styles */
@media print {
    .top-navigation,
    .nav-menu,
    .mobile-menu-toggle,
    .btn,
    footer {
        display: none !important;
    }

    body {
        background: white;
        color: black;
    }

    .container {
        max-width: 100%;
        padding: 0;
    }
}