/* Global Styles */
:root {
    --primary-color: #00e1b0;    /* Teal/Cyan accent color */
    --secondary-color: #8932eb;  /* Purple accent color */
    --dark-bg: #121212;          /* Dark background */
    --card-bg: #1e1e1e;          /* Slightly lighter card background */
    --text-primary: #ffffff;     /* Primary text color */
    --text-secondary: #a0a0a0;   /* Secondary text color */
    --positive-color: #00e1b0;   /* Positive/up color */
    --negative-color: #ff5252;   /* Negative/down color */
    --spacing-xs: 4px;
    --spacing-sm: 8px; 
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --border-radius: 12px;
    --card-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'SF Pro Display', Arial, sans-serif;
    background-color: var(--dark-bg);
    color: var(--text-primary);
    line-height: 1.5;
}

.dark-theme {
    --bg-gradient: linear-gradient(45deg, #121212, #1a1a1a);
}

a {
    text-decoration: none;
    color: inherit;
}

/* Layout */
.main-container {
    padding: var(--spacing-md);
    max-width: 600px;
    margin: 0 auto;
    padding-bottom: 70px; /* Space for bottom navigation */
}

/* Card Design */
.card {
    background-color: var(--card-bg);
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-lg);
    overflow: hidden;
    box-shadow: var(--card-shadow);
    position: relative;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.3);
}

.curved-header {
    height: 60px;
    background-color: var(--primary-color);
    border-radius: 0 0 50% 50% / 0 0 24px 24px;
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1;
}

/* Header */
.header {
    padding: var(--spacing-md);
    position: relative;
    z-index: 10;
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    font-weight: bold;
    font-size: 18px;
}

.logo-img {
    height: 24px;
    margin-right: var(--spacing-xs);
}

.logo-text {
    text-transform: uppercase;
    letter-spacing: 1px;
}

.logo-dot {
    color: var(--primary-color);
    margin-left: 2px;
}

.user-info {
    display: flex;
    align-items: center;
}

.username {
    margin-right: var(--spacing-sm);
    font-weight: 500;
}

.badge {
    background-color: var(--secondary-color);
    color: white;
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 10px;
    font-weight: bold;
}

/* Account Overview */
.account-overview {
    padding: var(--spacing-lg);
    position: relative;
    margin-top: var(--spacing-md);
}

.balance-container {
    position: relative;
    z-index: 2;
    margin-top: 10px;
}

.balance-label {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
    position: relative;
    top: -5px;
}

.balance-wrapper {
    display: flex;
    align-items: center;
    margin-bottom: var(--spacing-md);
}

.balance-amount {
    font-size: 28px;
    font-weight: bold;
    margin-right: var(--spacing-md);
    transition: all 0.3s ease;
}

.show-balance-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 16px;
    transition: all 0.3s ease;
}

.show-balance-btn:hover {
    color: var(--primary-color);
    transform: scale(1.1);
}

.quick-actions {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-md);
    position: relative;
    z-index: 2;
}

.action-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    background-color: rgba(255, 255, 255, 0.05);
    padding: var(--spacing-sm);
    border-radius: var(--border-radius);
    transition: all 0.2s ease;
}

.action-btn i {
    font-size: 20px;
    margin-bottom: var(--spacing-xs);
    color: var(--primary-color);
    transition: transform 0.2s ease;
}

.action-btn span {
    font-size: 12px;
    color: var(--text-secondary);
    transition: color 0.2s ease;
}

.action-btn:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

.action-btn:hover i {
    transform: scale(1.1);
}

.action-btn:hover span {
    color: var(--text-primary);
}

/* Section Headers */
.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-md) 0;
}

.section-header h2 {
    font-size: 18px;
    font-weight: 600;
    position: relative;
}

.section-header h2:after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 24px;
    height: 2px;
    background-color: var(--primary-color);
    transition: width 0.3s ease;
}

.section-header:hover h2:after {
    width: 100%;
}

.view-all {
    font-size: 14px;
    color: var(--primary-color);
    transition: opacity 0.2s ease;
}

.view-all:hover {
    opacity: 0.8;
}

/* Quick Trade */
.trade-options {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-md);
    padding: 0 var(--spacing-md) var(--spacing-md);
}

.trade-option {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    transition: all 0.3s ease;
    background-color: rgba(255, 255, 255, 0.05);
}

.trade-option:hover {
    background-color: rgba(0, 225, 176, 0.1);
    transform: translateY(-4px);
}

.option-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background-color: rgba(0, 225, 176, 0.1);
    margin-bottom: var(--spacing-sm);
    transition: all 0.3s ease;
}

.option-icon i {
    font-size: 18px;
    color: var(--primary-color);
    transition: transform 0.3s ease;
}

.trade-option:hover .option-icon {
    background-color: rgba(0, 225, 176, 0.2);
}

.trade-option:hover .option-icon i {
    transform: scale(1.2);
}

.option-name {
    font-size: 12px;
    color: var(--text-secondary);
    transition: color 0.3s ease;
}

.trade-option:hover .option-name {
    color: var(--primary-color);
}

/* Markets */
.markets {
    padding-bottom: var(--spacing-md);
}

.market-list {
    padding: 0 var(--spacing-md);
}

.market-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    transition: all 0.2s ease;
}

.market-item:hover {
    background-color: rgba(255, 255, 255, 0.02);
}

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

.coin-info {
    display: flex;
    align-items: center;
}

.coin-icon {
    width: 32px;
    height: 32px;
    margin-right: var(--spacing-sm);
    border-radius: 50%;
    transition: transform 0.3s ease;
}

.market-item:hover .coin-icon {
    transform: scale(1.1);
}

.coin-name .primary {
    font-weight: 600;
    font-size: 16px;
}

.coin-name .secondary {
    font-size: 12px;
    color: var(--text-secondary);
}

.mini-chart-container {
    width: 80px;
    height: 30px;
    position: relative;
}

.mini-chart-indicator {
    position: absolute;
    bottom: 0;
    left: 0;
    height: 100%;
    width: 100%;
    background: linear-gradient(transparent, rgba(0, 225, 176, 0.1));
    transition: all 0.3s ease;
}

.price-info .current-price {
    font-weight: 600;
    font-size: 16px;
    text-align: right;
    transition: all 0.2s ease;
}

.price-loading:after {
    content: "";
    display: inline-block;
    width: 12px;
    height: 12px;
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: loading 1s infinite linear;
    margin-left: var(--spacing-xs);
    vertical-align: middle;
}

.positive {
    color: var(--positive-color);
}

.negative {
    color: var(--negative-color);
}

/* Animations */
@keyframes loading {
    to {
        transform: rotate(360deg);
    }
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(0, 225, 176, 0.4);
    }
    70% {
        box-shadow: 0 0 0 10px rgba(0, 225, 176, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(0, 225, 176, 0);
    }
}

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

@keyframes flash-green {
    0% {
        color: var(--positive-color);
    }
    50% {
        color: white;
    }
    100% {
        color: var(--positive-color);
    }
}

@keyframes flash-red {
    0% {
        color: var(--negative-color);
    }
    50% {
        color: white;
    }
    100% {
        color: var(--negative-color);
    }
}

.flash-green {
    animation: flash-green 0.5s ease;
}

.flash-red {
    animation: flash-red 0.5s ease;
}

/* BTC Futures */
.btc-futures {
    padding-bottom: var(--spacing-md);
}

.futures-chart {
    padding: 0 var(--spacing-md);
    margin-bottom: var(--spacing-md);
    height: 200px;
    position: relative;
}

.trade-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
    padding: 0 var(--spacing-md);
}

.trade-actions .action-btn {
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    font-weight: 600;
    font-size: 14px;
    text-align: center;
    transition: all 0.3s ease;
}

.trade-actions .long {
    background-color: rgba(0, 225, 176, 0.15);
    color: var(--primary-color);
}

.trade-actions .short {
    background-color: rgba(137, 50, 235, 0.15);
    color: var(--secondary-color);
}

.trade-actions .action-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.trade-actions .long:hover {
    background-color: rgba(0, 225, 176, 0.25);
}

.trade-actions .short:hover {
    background-color: rgba(137, 50, 235, 0.25);
}

/* News */
.crypto-news {
    padding-bottom: var(--spacing-md);
}

.news-list {
    padding: 0 var(--spacing-md);
}

.news-item {
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    transition: all 0.2s ease;
}

.news-item:hover {
    background-color: rgba(255, 255, 255, 0.02);
    padding-left: var(--spacing-sm);
}

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

.news-title {
    font-size: 16px;
    font-weight: 500;
    margin-bottom: var(--spacing-xs);
    transition: color 0.2s ease;
}

.news-item:hover .news-title {
    color: var(--primary-color);
}

.news-meta {
    font-size: 12px;
    color: var(--text-secondary);
}

/* Mobile Navigation */
.mobile-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: var(--card-bg);
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.2);
    z-index: 100;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.nav-items {
    display: flex;
    justify-content: space-around;
    padding: var(--spacing-sm) 0;
}

.nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: var(--spacing-sm);
    width: 20%;
    transition: all 0.3s ease;
}

.nav-item i {
    font-size: 20px;
    margin-bottom: var(--spacing-xs);
    color: var(--text-secondary);
    transition: all 0.3s ease;
}

.nav-item span {
    font-size: 10px;
    color: var(--text-secondary);
    transition: all 0.3s ease;
}

.nav-item.active i,
.nav-item.active span {
    color: var(--primary-color);
}

.nav-item.active i {
    transform: translateY(-2px);
}

.nav-item:hover i {
    transform: translateY(-2px);
}

/* Responsive Adjustments */
@media (max-width: 480px) {
    .quick-actions {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .trade-options {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* Chart Customization */
canvas {
    width: 100% !important;
    height: 100% !important;
}