:root {
    --bg-color: #0d1117;
    --panel-bg: rgba(22, 27, 34, 0.7);
    --border-color: rgba(255, 255, 255, 0.1);
    --text-primary: #e6edf3;
    --text-secondary: #7d8590;
    --accent: #58a6ff;
    --success: #238636;
    --danger: #da3633;
    --warning: #d29922;
}

body {
    margin: 0;
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    overflow-x: hidden;
}

/* 글래스모피즘 & 네온 배경 효과 */
.background-animation {
    position: fixed;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at 50% 50%, rgba(88, 166, 255, 0.05), transparent 60%),
                radial-gradient(circle at 80% 20%, rgba(35, 134, 54, 0.05), transparent 40%);
    z-index: -1;
    animation: drift 20s linear infinite alternate;
}
@keyframes drift {
    0% { transform: translate(0, 0) rotate(0deg); }
    100% { transform: translate(2%, 2%) rotate(2deg); }
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

h1 {
    font-weight: 800;
    font-size: 2rem;
    margin: 0;
    letter-spacing: -0.5px;
}

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

.badge {
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-weight: 600;
    font-size: 0.85rem;
    letter-spacing: 1px;
}
.badge.running {
    background-color: rgba(35, 134, 54, 0.2);
    color: #3fb950;
    border: 1px solid rgba(63, 185, 80, 0.4);
    box-shadow: 0 0 10px rgba(63, 185, 80, 0.2);
}

.glass-panel {
    background: var(--panel-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 1.5rem;
    margin-bottom: 2rem;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

h2 {
    font-size: 1.2rem;
    margin-top: 0;
    margin-bottom: 1.5rem;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.8rem;
}

/* Balances */
.balance-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}
.balance-card {
    background: rgba(0, 0, 0, 0.2);
    border-radius: 12px;
    padding: 1.5rem;
    border: 1px solid var(--border-color);
    transition: transform 0.2s;
}
.balance-card:hover {
    transform: translateY(-2px);
}
.balance-card h3 {
    margin: 0 0 0.5rem 0;
    font-size: 0.9rem;
    color: var(--text-secondary);
}
.amount {
    margin: 0;
    font-size: 2rem;
    font-weight: 800;
}
.binance .amount { color: #f3ba2f; } /* Binance Yellow */
.upbit .amount { color: #093687; text-shadow: 0 0 5px rgba(130,170,255, 0.5); color: #82aaff; } /* Upbit Blue */

/* Premiums */
.premium-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1rem;
}
.coin-card {
    background: rgba(0,0,0,0.2);
    border-radius: 12px;
    padding: 1.2rem;
    border: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.coin-info h3 {
    margin: 0 0 0.3rem 0;
    font-size: 1.3rem;
}
.coin-prices {
    font-size: 0.8rem;
    color: var(--text-secondary);
}
.premium-value {
    font-size: 1.8rem;
    font-weight: 800;
}
.premium-high { color: var(--danger); text-shadow: 0 0 10px rgba(218, 54, 51, 0.4); }
.premium-normal { color: var(--success); text-shadow: 0 0 10px rgba(35, 134, 54, 0.4); }

/* Positions */
.position-item {
    background: rgba(0,0,0,0.2);
    border-left: 4px solid var(--accent);
    padding: 1rem;
    border-radius: 4px 12px 12px 4px;
    margin-bottom: 0.8rem;
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 1rem;
}

/* Terminal */
.terminal {
    background: #000;
    border-radius: 8px;
    padding: 1rem;
    font-family: monospace;
    font-size: 0.85rem;
    height: 300px;
    overflow-y: auto;
    color: #3fb950;
    line-height: 1.5;
}
.terminal p {
    margin: 0 0 4px 0;
}