/* Mobile Responsive Styles for Bifunder User Backend */

/* Hamburger Menu Styles */
.hamburger-menu {
    display: none;
    flex-direction: column;
    cursor: pointer;
    padding: 10px;
    border-radius: 8px;
    transition: background-color 0.2s ease;
    background: transparent;
    border: none;
    z-index: 1001;
    min-width: 44px;
    min-height: 44px;
    justify-content: center;
    align-items: center;
    touch-action: manipulation; /* Prevents accidental triggers */
}

.hamburger-menu:hover {
    background-color: var(--hover);
}

.hamburger-menu:active {
    transform: scale(0.95);
}

.hamburger-line {
    width: 24px;
    height: 3px;
    background-color: var(--text-primary);
    margin: 2px 0;
    transition: all 0.3s ease;
    border-radius: 2px;
}

/* Hamburger Animation */
.hamburger-menu.active .hamburger-line:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

.hamburger-menu.active .hamburger-line:nth-child(2) {
    opacity: 0;
}

.hamburger-menu.active .hamburger-line:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* Mobile Navigation Overlay */
.mobile-nav-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
    pointer-events: none;
}

.mobile-nav-overlay.active {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

/* Mobile Navigation Menu */
.mobile-nav-menu {
    position: fixed;
    top: 0;
    right: -300px;
    width: 280px;
    height: 100%;
    background: var(--bg-primary);
    box-shadow: -2px 0 10px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    transition: right 0.3s ease;
    overflow-y: auto;
    border-left: 1px solid var(--border);
    pointer-events: auto;
}

.mobile-nav-menu.active {
    right: 0;
}

/* Mobile Navigation Header */
.mobile-nav-header {
    padding: 20px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.mobile-nav-logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary);
}

.mobile-nav-close {
    background: none;
    border: none;
    font-size: 24px;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 4px;
    border-radius: 4px;
    transition: background-color 0.2s ease;
}

.mobile-nav-close:hover {
    background-color: var(--hover);
}

/* Mobile Navigation Items */
.mobile-nav-items {
    padding: 20px 0;
}

.mobile-nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 20px;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 16px;
    font-weight: 500;
    transition: all 0.2s ease;
    border-left: 3px solid transparent;
}

.mobile-nav-item:hover {
    background-color: var(--hover);
    color: var(--text-primary);
    border-left-color: var(--accent-green);
}

.mobile-nav-item.active {
    background-color: var(--accent-green-light);
    color: var(--accent-green);
    border-left-color: var(--accent-green);
}

.mobile-nav-item i {
    width: 20px;
    text-align: center;
    font-size: 18px;
}

/* Mobile Navigation Footer */
.mobile-nav-footer {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 20px;
    border-top: 1px solid var(--border);
    background: var(--bg-primary);
}

.mobile-support-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    width: 100%;
    padding: 12px 16px;
    background: var(--accent-blue);
    color: white;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 500;
    transition: background-color 0.2s ease;
    margin-bottom: 12px;
}

.mobile-support-btn:hover {
    background: var(--accent-blue-dark);
}

.mobile-logout-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    width: 100%;
    padding: 12px 16px;
    background: var(--accent-red);
    color: white;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 500;
    transition: background-color 0.2s ease;
}

.mobile-logout-btn:hover {
    background: var(--accent-red-dark);
}

/* Theme Switcher in Mobile Menu */
.mobile-theme-switcher {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    border-top: 1px solid var(--border);
    margin-top: 20px;
}

.mobile-theme-label {
    font-size: 16px;
    font-weight: 500;
    color: var(--text-primary);
}

.mobile-theme-toggle {
    position: relative;
    width: 50px;
    height: 26px;
    background: var(--border);
    border-radius: 13px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.mobile-theme-toggle.active {
    background: var(--accent-green);
}

.mobile-theme-toggle::before {
    content: '';
    position: absolute;
    top: 2px;
    left: 2px;
    width: 22px;
    height: 22px;
    background: white;
    border-radius: 50%;
    transition: transform 0.3s ease;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.mobile-theme-toggle.active::before {
    transform: translateX(24px);
}

/* Mobile Responsive Breakpoints */
@media (max-width: 768px) {
    /* Show hamburger menu */
    .hamburger-menu {
        display: flex;
    }
    
    /* Hide desktop navigation */
    .nav-menu {
        display: none;
    }
    
    .nav-right {
        display: none;
    }
    
    /* Show mobile navigation elements */
    .mobile-nav-overlay,
    .mobile-nav-menu {
        display: block;
    }
    
    /* Adjust header for mobile */
    .header {
        padding: 0 16px;
    }
    
    .nav-container {
        justify-content: space-between;
    }
    
    .nav-left {
        display: flex;
        align-items: center;
        gap: 16px;
    }
    
    /* Adjust main content for mobile */
    .main-content {
        padding: 20px 16px;
    }
    
    .buy-container,
    .portfolio-container {
        padding: 0;
    }
    
    /* Mobile-specific card adjustments */
    .portfolio-card,
    .buy-form,
    .assets-section {
        margin-bottom: 20px;
        border-radius: 12px;
    }
    
    /* Mobile action buttons */
    .action-buttons {
        flex-direction: column;
        gap: 12px;
    }
    
    .action-btn {
        width: 100% !important;
        height: 48px !important;
        font-size: 16px;
    }
    
    /* Mobile form adjustments */
    .form-input,
    .auth-input,
    .amount-input {
        font-size: 16px; /* Prevents zoom on iOS */
        padding: 14px 16px;
    }
    
    .continue-btn,
    .send-btn,
    .auth-btn {
        height: 48px;
        font-size: 16px;
    }
    
    /* Mobile asset list */
    .asset-item {
        padding: 16px;
        border-radius: 12px;
    }
    
    .asset-info {
        flex: 1;
        min-width: 0;
    }
    
    .asset-name {
        font-size: 16px;
    }
    
    .asset-symbol {
        font-size: 14px;
    }
    
    /* Mobile portfolio value */
    .portfolio-value {
        font-size: 32px !important;
    }
    
    /* Mobile price ticker */
    .price-ticker {
        padding: 8px 16px;
    }
    
    .ticker-item {
        min-width: 120px;
    }
    
    /* Mobile auth pages */
    .auth-container {
        padding: 20px 16px;
    }
    
    .auth-card {
        padding: 24px;
        border-radius: 16px;
    }
    
    /* Mobile telegram support button */
    .telegram-support {
        bottom: 20px;
        right: 20px;
        width: 56px;
        height: 56px;
    }
    
    /* Mobile modal adjustments */
    .modal-content {
        margin: 20px;
        max-height: calc(100vh - 40px);
        border-radius: 16px;
    }
    
    .modal-header {
        padding: 20px 24px 16px;
    }
    
    .modal-body {
        padding: 0 24px 24px;
    }
    
    /* Mobile table responsiveness */
    .table-responsive {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
    
    /* Mobile spacing adjustments */
    .section-header {
        margin-bottom: 16px;
    }
    
    .section-title {
        font-size: 20px;
    }
    
    /* Mobile crypto header */
    .crypto-header {
        flex-direction: column;
        text-align: center;
        gap: 12px !important;
    }
    
    .crypto-header h1 {
        font-size: 24px !important;
    }
}

@media (max-width: 480px) {
    /* Extra small mobile adjustments */
    .main-content {
        padding: 16px 12px;
    }
    
    .portfolio-card,
    .buy-form {
        padding: 16px;
    }
    
    .portfolio-value {
        font-size: 28px !important;
    }
    
    .auth-card {
        padding: 20px;
    }
    
    .modal-content {
        margin: 12px;
        border-radius: 12px;
    }
    
    .action-btn {
        height: 44px !important;
        font-size: 15px;
    }
    
    .mobile-nav-menu {
        width: 100%;
        right: -100%;
    }
}

/* Landscape mobile adjustments */
@media (max-width: 768px) and (orientation: landscape) {
    .mobile-nav-menu {
        width: 320px;
    }
    
    .main-content {
        padding: 16px;
    }
    
    .portfolio-value {
        font-size: 24px !important;
    }
}

/* Dark mode mobile adjustments */
[data-theme="dark"] .mobile-nav-menu {
    background: var(--bg-primary);
    border-left-color: var(--border);
}

[data-theme="dark"] .hamburger-line {
    background-color: var(--text-primary);
}

[data-theme="dark"] .mobile-nav-overlay {
    background: rgba(0, 0, 0, 0.7);
}

/* Smooth scrolling for mobile */
@media (max-width: 768px) {
    html {
        scroll-behavior: smooth;
    }
    
    body {
        -webkit-overflow-scrolling: touch;
    }
}

/* Mobile focus states */
@media (max-width: 768px) {
    .mobile-nav-item:focus,
    .hamburger-menu:focus {
        outline: 2px solid var(--accent-green);
        outline-offset: 2px;
    }
    
    .form-input:focus,
    .auth-input:focus {
        outline: none;
        border-color: var(--accent-green);
        box-shadow: 0 0 0 3px rgba(154, 205, 50, 0.1);
    }
}