/* ===== Global Styles ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Touch optimization */
button, a, .clickable {
    touch-action: manipulation;
}

:root {
    /* Colors */
    --primary: #f0b90b;
    --primary-dark: #d9a509;
    --secondary: #1e2329;
    --background: #0b0e11;
    --surface: #1a1f26;
    --surface-light: #252b35;
    --text-primary: #ffffff;
    --text-secondary: #b7bdc6;
    --success: #0ecb81;
    --danger: #f6465d;
    --warning: #ffa500;
    --info: #3b82f6;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #f0b90b 0%, #d9a509 100%);
    --gradient-success: linear-gradient(135deg, #0ecb81 0%, #0aa66e 100%);
    --gradient-danger: linear-gradient(135deg, #f6465d 0%, #d93a4f 100%);
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    
    /* Transitions */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
    font-family: 'Cairo', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--background);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ===== Header ===== */
.header {
    background: var(--surface);
    border-bottom: 2px solid var(--primary);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow-md);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) 0;
    gap: var(--spacing-md);
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.logo-icon {
    font-size: 2.5rem;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

.logo h1 {
    font-size: 1.5rem;
    font-weight: 900;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.nav-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--surface-light);
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.nav-btn:hover {
    background: var(--surface);
    border-color: var(--primary);
    color: var(--text-primary);
    transform: translateY(-2px);
}

.nav-btn:active {
    transform: scale(0.95);
}

.nav-btn.active {
    background: var(--gradient-primary);
    color: var(--secondary);
    border-color: var(--primary);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.btn-notifications {
    position: relative;
    padding: var(--spacing-sm);
    background: var(--surface-light);
    border: 2px solid var(--primary);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
    transition: var(--transition);
}

.btn-notifications:hover {
    background: var(--primary);
    transform: scale(1.1);
}

.notification-badge {
    position: absolute;
    top: -5px;
    right: -5px;
    background: var(--danger);
    color: white;
    font-size: 0.75rem;
    font-weight: 700;
    padding: 2px 6px;
    border-radius: 10px;
    min-width: 20px;
    text-align: center;
}

.connection-status {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--surface-light);
    border-radius: var(--radius-md);
}

.status-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--success);
    animation: blink 2s infinite;
}

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

.status-dot.disconnected {
    background: var(--danger);
}

.status-text {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* ===== Main Content ===== */
.main {
    min-height: calc(100vh - 200px);
    padding: var(--spacing-xl) 0;
}

/* ===== Welcome Section ===== */
.welcome-section {
    margin-bottom: var(--spacing-xl);
}

.welcome-card {
    background: linear-gradient(135deg, var(--surface) 0%, var(--surface-light) 100%);
    border: 2px solid var(--primary);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-lg);
}

.welcome-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.welcome-header h2 {
    font-size: 2.5rem;
    font-weight: 900;
    margin-bottom: var(--spacing-sm);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.welcome-header p {
    font-size: 1.25rem;
    color: var(--text-secondary);
}

.welcome-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.feature {
    background: var(--surface);
    border: 2px solid var(--surface-light);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    text-align: center;
    transition: var(--transition);
}

.feature:hover {
    border-color: var(--primary);
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.feature-icon {
    font-size: 3rem;
    display: block;
    margin-bottom: var(--spacing-sm);
}

.feature h3 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-xs);
    color: var(--primary);
}

.feature p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.welcome-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background: var(--surface);
    border-radius: var(--radius-lg);
}

.stat {
    text-align: center;
    padding: var(--spacing-md);
    background: var(--surface-light);
    border-radius: var(--radius-md);
}

.stat-label {
    display: block;
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
}

.stat-value {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
}

/* ===== View Sections ===== */
.view-section {
    animation: fadeIn 0.5s ease-in-out;
}

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

.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 2px solid var(--primary);
}

.section-header h2 {
    font-size: 2rem;
    font-weight: 700;
}

.btn-refresh {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--gradient-primary);
    border: none;
    border-radius: var(--radius-md);
    color: var(--secondary);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.btn-refresh:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-md);
}

.btn-refresh .icon {
    animation: rotate 1s linear infinite paused;
}

.btn-refresh:hover .icon {
    animation-play-state: running;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* ===== Loading ===== */
.loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xl);
    gap: var(--spacing-md);
}

.spinner {
    width: 50px;
    height: 50px;
    border: 4px solid var(--surface-light);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

.loading p {
    color: var(--text-secondary);
    font-size: 1.125rem;
}

/* ===== Coins Grid ===== */
.coins-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: var(--spacing-md);
}

.coin-card {
    background: var(--surface);
    border: 2px solid var(--surface-light);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.coin-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: var(--transition);
}

.coin-card:hover::before {
    transform: scaleX(1);
}

.coin-card:hover {
    border-color: var(--primary);
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.coin-card:active {
    transform: translateY(-2px);
}

@media (hover: none) {
    .coin-card:hover {
        transform: none;
    }
}

.coin-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--surface-light);
}

.coin-rank {
    font-size: 2rem;
    font-weight: 900;
    color: var(--primary);
}

.coin-info {
    flex: 1;
    margin: 0 var(--spacing-md);
}

.coin-name {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
}

.coin-symbol {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.coin-emoji {
    font-size: 2rem;
}

.coin-contract-wrapper {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-md);
}

.coin-contract {
    flex: 1;
    background: var(--surface-light);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-family: 'Courier New', monospace;
    color: var(--text-secondary);
    word-break: break-all;
}

.btn-copy-address {
    background: var(--gradient-primary);
    border: none;
    border-radius: var(--radius-sm);
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: 1.2rem;
    cursor: pointer;
    transition: var(--transition);
    min-width: 40px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-copy-address:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-md);
}

.btn-copy-address:active {
    transform: scale(0.95);
}

.coin-price {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: var(--spacing-md);
}

.coin-changes {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.change-item {
    background: var(--surface-light);
    padding: var(--spacing-sm);
    border-radius: var(--radius-sm);
    text-align: center;
}

.change-label {
    display: block;
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
}

.change-value {
    display: block;
    font-size: 1.125rem;
    font-weight: 700;
}

.change-value.positive {
    color: var(--success);
}

.change-value.negative {
    color: var(--danger);
}

.coin-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.stat-item {
    background: var(--surface-light);
    padding: var(--spacing-sm);
    border-radius: var(--radius-sm);
}

.stat-item-label {
    display: block;
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
}

.stat-item-value {
    display: block;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.coin-age {
    background: var(--info);
    color: white;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    text-align: center;
    margin-bottom: var(--spacing-md);
}

.coin-actions {
    display: flex;
    gap: var(--spacing-sm);
}

.btn-view {
    flex: 1;
    padding: var(--spacing-sm);
    background: var(--gradient-primary);
    border: none;
    border-radius: var(--radius-md);
    color: var(--secondary);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    text-align: center;
}

.btn-view:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-md);
}

/* ===== Settings ===== */
.settings-card {
    background: var(--surface);
    border: 2px solid var(--primary);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    max-width: 800px;
    margin: 0 auto;
}

.settings-card h2 {
    font-size: 2rem;
    margin-bottom: var(--spacing-xl);
    text-align: center;
}

.settings-section {
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-xl);
    border-bottom: 1px solid var(--surface-light);
}

.settings-section:last-of-type {
    border-bottom: none;
}

.settings-section h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
    color: var(--primary);
}

.settings-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
}

.setting-item {
    background: var(--surface-light);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.setting-item label {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.setting-value {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary);
}

.settings-toggle {
    margin-bottom: var(--spacing-md);
}

.toggle-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    cursor: pointer;
    font-size: 1rem;
}

.toggle-label input[type="checkbox"] {
    display: none;
}

.toggle-slider {
    width: 50px;
    height: 26px;
    background: var(--surface-light);
    border-radius: 13px;
    position: relative;
    transition: var(--transition);
}

.toggle-slider::before {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    background: white;
    border-radius: 50%;
    top: 3px;
    left: 3px;
    transition: var(--transition);
}

.toggle-label input[type="checkbox"]:checked + .toggle-slider {
    background: var(--success);
}

.toggle-label input[type="checkbox"]:checked + .toggle-slider::before {
    transform: translateX(24px);
}

.settings-info {
    background: var(--surface-light);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    border-right: 4px solid var(--info);
}

.settings-info p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
}

.settings-info p:last-child {
    margin-bottom: 0;
}

/* ===== Notifications Panel ===== */
.notifications-panel {
    position: fixed;
    top: 0;
    left: -400px;
    width: 400px;
    height: 100vh;
    background: var(--surface);
    border-left: 2px solid var(--primary);
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
    z-index: 2000;
    display: flex;
    flex-direction: column;
}

.notifications-panel.open {
    left: 0;
}

.notifications-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md);
    border-bottom: 2px solid var(--primary);
}

.notifications-header h3 {
    font-size: 1.25rem;
}

.btn-close {
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
    transition: var(--transition);
}

.btn-close:hover {
    color: var(--danger);
    transform: scale(1.2);
}

.notifications-list {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-md);
}

.empty-state {
    text-align: center;
    padding: var(--spacing-xl);
    color: var(--text-secondary);
}

.empty-icon {
    font-size: 4rem;
    display: block;
    margin-bottom: var(--spacing-md);
}

.notification-item {
    background: var(--surface-light);
    border: 2px solid var(--surface-light);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    transition: var(--transition);
}

.notification-item:hover {
    border-color: var(--primary);
}

.notification-item.new-coin {
    border-color: var(--success);
}

.notification-item.strong-coin {
    border-color: var(--warning);
}

.notification-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-sm);
}

.notification-type {
    font-size: 0.875rem;
    font-weight: 600;
    padding: 4px 8px;
    border-radius: var(--radius-sm);
}

.notification-type.new {
    background: var(--success);
    color: white;
}

.notification-type.strong {
    background: var(--warning);
    color: var(--secondary);
}

.notification-time {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.notification-content h4 {
    font-size: 1rem;
    margin-bottom: var(--spacing-xs);
}

.notification-content p {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* ===== Toast Notifications ===== */
.toast-container {
    position: fixed;
    top: 100px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 3000;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    pointer-events: none;
}

.toast {
    background: var(--surface);
    border: 2px solid var(--primary);
    border-radius: var(--radius-md);
    padding: var(--spacing-md) var(--spacing-lg);
    box-shadow: var(--shadow-lg);
    min-width: 300px;
    max-width: 500px;
    animation: slideIn 0.3s ease-out;
    pointer-events: all;
}

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

.toast.success {
    border-color: var(--success);
}

.toast.error {
    border-color: var(--danger);
}

.toast.warning {
    border-color: var(--warning);
}

.toast-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xs);
}

.toast-icon {
    font-size: 1.5rem;
}

.toast-title {
    font-size: 1rem;
    font-weight: 700;
}

.toast-message {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* ===== Footer ===== */
.footer {
    background: var(--surface);
    border-top: 2px solid var(--primary);
    padding: var(--spacing-xl) 0 var(--spacing-md);
    margin-top: var(--spacing-xl);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer-section h4 {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-sm);
    color: var(--primary);
}

.footer-section p {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--surface-light);
}

.footer-bottom p {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* ===== Responsive Design ===== */

/* Tablet (768px - 1024px) */
@media (max-width: 1024px) {
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .coins-grid {
        grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    }
    
    .welcome-stats {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Mobile Large (481px - 768px) */
@media (max-width: 768px) {
    /* Header */
    .header-content {
        flex-direction: column;
        gap: var(--spacing-sm);
        padding: var(--spacing-sm) 0;
    }
    
    .logo h1 {
        font-size: 1.25rem;
    }
    
    .logo-icon {
        font-size: 2rem;
    }
    
    /* Navigation */
    .nav {
        width: 100%;
        justify-content: space-between;
        gap: var(--spacing-xs);
    }
    
    .nav-btn {
        flex: 1;
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: 0.875rem;
        min-width: 0;
    }
    
    .nav-btn .icon {
        font-size: 1.2rem;
    }
    
    .nav-btn span:not(.icon) {
        display: none;
    }
    
    /* Header Actions */
    .header-actions {
        width: 100%;
        justify-content: space-between;
        gap: var(--spacing-sm);
    }
    
    .connection-status {
        flex: 1;
        justify-content: center;
    }
    
    /* Welcome Section */
    .welcome-header h2 {
        font-size: 1.75rem;
    }
    
    .welcome-header p {
        font-size: 1rem;
    }
    
    .welcome-features {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
    
    .feature {
        padding: var(--spacing-md);
    }
    
    .welcome-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-sm);
        padding: var(--spacing-md);
    }
    
    /* Section Headers */
    .section-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-sm);
    }
    
    .section-header h2 {
        font-size: 1.5rem;
    }
    
    .btn-refresh {
        width: 100%;
        justify-content: center;
    }
    
    /* Coins Grid */
    .coins-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
    
    /* Coin Card */
    .coin-card {
        padding: var(--spacing-md);
    }
    
    .coin-rank {
        font-size: 1.5rem;
    }
    
    .coin-name {
        font-size: 1.125rem;
    }
    
    .coin-price {
        font-size: 1.25rem;
    }
    
    .coin-changes {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-xs);
    }
    
    .change-item {
        padding: var(--spacing-xs);
    }
    
    .change-label {
        font-size: 0.7rem;
    }
    
    .change-value {
        font-size: 1rem;
    }
    
    .coin-stats {
        grid-template-columns: 1fr;
        gap: var(--spacing-xs);
    }
    
    .stat-item {
        padding: var(--spacing-xs);
    }
    
    /* Settings */
    .settings-card {
        padding: var(--spacing-md);
    }
    
    .settings-card h2 {
        font-size: 1.5rem;
    }
    
    .settings-grid {
        grid-template-columns: 1fr;
    }
    
    /* Notifications Panel */
    .notifications-panel {
        width: 100%;
        left: -100%;
    }
    
    .notifications-panel.open {
        left: 0;
    }
    
    /* Toast */
    .toast-container {
        left: var(--spacing-sm);
        right: var(--spacing-sm);
        transform: none;
    }
    
    .toast {
        min-width: auto;
        max-width: 100%;
    }
    
    /* Footer */
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
}

/* Mobile Small (320px - 480px) */
@media (max-width: 480px) {
    /* Typography */
    :root {
        --spacing-xs: 0.375rem;
        --spacing-sm: 0.75rem;
        --spacing-md: 1rem;
        --spacing-lg: 1.5rem;
    }
    
    /* Header */
    .logo h1 {
        font-size: 1rem;
    }
    
    .logo-icon {
        font-size: 1.5rem;
    }
    
    /* Navigation - Icon Only */
    .nav {
        gap: 4px;
    }
    
    .nav-btn {
        padding: var(--spacing-xs);
        min-width: 45px;
        border-radius: var(--radius-sm);
    }
    
    .nav-btn .icon {
        font-size: 1.5rem;
    }
    
    /* Welcome */
    .welcome-header h2 {
        font-size: 1.5rem;
    }
    
    .welcome-header p {
        font-size: 0.875rem;
    }
    
    .feature-icon {
        font-size: 2.5rem;
    }
    
    .feature h3 {
        font-size: 1.125rem;
    }
    
    .welcome-stats {
        grid-template-columns: 1fr;
    }
    
    .stat {
        padding: var(--spacing-sm);
    }
    
    /* Section Headers */
    .section-header h2 {
        font-size: 1.25rem;
    }
    
    /* Coin Cards */
    .coin-card {
        padding: var(--spacing-sm);
    }
    
    .coin-header {
        margin-bottom: var(--spacing-sm);
        padding-bottom: var(--spacing-sm);
    }
    
    .coin-rank {
        font-size: 1.25rem;
    }
    
    .coin-name {
        font-size: 1rem;
    }
    
    .coin-symbol {
        font-size: 0.75rem;
    }
    
    .coin-emoji {
        font-size: 1.5rem;
    }
    
    .coin-contract {
        font-size: 0.7rem;
        padding: 6px 8px;
    }
    
    .btn-copy-address {
        min-width: 35px;
        height: 28px;
        font-size: 1rem;
        padding: 4px 8px;
    }
    
    .coin-price {
        font-size: 1.125rem;
        margin-bottom: var(--spacing-sm);
    }
    
    .coin-changes {
        gap: 6px;
        margin-bottom: var(--spacing-sm);
    }
    
    .change-item {
        padding: 6px;
    }
    
    .change-label {
        font-size: 0.65rem;
    }
    
    .change-value {
        font-size: 0.9rem;
    }
    
    .coin-stats {
        gap: 6px;
        margin-bottom: var(--spacing-sm);
    }
    
    .stat-item {
        padding: 6px;
    }
    
    .stat-item-label {
        font-size: 0.7rem;
    }
    
    .stat-item-value {
        font-size: 0.875rem;
    }
    
    .coin-age {
        font-size: 0.8rem;
        padding: 6px 8px;
        margin-bottom: var(--spacing-sm);
    }
    
    .btn-view {
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: 0.875rem;
    }
    
    /* Settings */
    .settings-card {
        padding: var(--spacing-sm);
    }
    
    .settings-card h2 {
        font-size: 1.25rem;
        margin-bottom: var(--spacing-md);
    }
    
    .settings-section h3 {
        font-size: 1.125rem;
    }
    
    .setting-item {
        padding: var(--spacing-sm);
    }
    
    .setting-item label {
        font-size: 0.8rem;
    }
    
    .setting-value {
        font-size: 1.125rem;
    }
    
    /* Notifications */
    .btn-notifications {
        padding: var(--spacing-xs);
        font-size: 1.25rem;
    }
    
    .notification-badge {
        font-size: 0.7rem;
        padding: 1px 4px;
        min-width: 16px;
    }
    
    /* Footer */
    .footer {
        padding: var(--spacing-lg) 0 var(--spacing-sm);
    }
    
    .footer-section h4 {
        font-size: 1rem;
    }
    
    .footer-section p {
        font-size: 0.8rem;
    }
}

/* Mobile Extra Small (< 360px) */
@media (max-width: 360px) {
    .container {
        padding: 0 8px;
    }
    
    .nav-btn {
        min-width: 40px;
        padding: 6px;
    }
    
    .nav-btn .icon {
        font-size: 1.25rem;
    }
    
    .coin-changes,
    .coin-stats {
        grid-template-columns: 1fr;
    }
    
    .welcome-stats {
        padding: var(--spacing-sm);
    }
}

/* ===== Scrollbar ===== */
::-webkit-scrollbar {
    width: 10px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--primary);
    border-radius: 5px;
}

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