:root {
    --bull-color: #e74c3c; /* 상승장 (빨강) */
    --bear-color: #3498db; /* 하락장 (파랑) */
    --bg-color: #f5f6fa;
    --text-color: #2c3e50;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: 'Pretendard', sans-serif;
}

h1 {
    width: 100%;
    text-align: center;
    margin: 1rem;
}

body {
    margin: 0;
    height: 100vh;
    background-color: var(--bg-color);
    color: var(--text-color);
}

main {
    min-height: 90vh;
    display: flex;
    justify-content: center;
    align-items: center;
    align-content: center;
    flex-wrap: wrap;
}

footer {
    height: 60px;
    padding: 20px;
    text-align: center;
}

a {
    color: inherit;
}

/* 메인 카드 스타일 */
.status-card {
    display: box;
    text-align: center;
    text-decoration: none;
    width: 100%;
    max-width: 300px;

    background: white;
    border-radius: 16px;
    padding: 3rem 2rem;
    margin: 1rem;

    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
}

.status-card:hover {
    transform: scale(1.05);
}

.yield-display {
    display: block;
    font-size: 4rem;
    font-weight: 800;
    margin-bottom: 1rem;
}

.status-card p {
    height: 2rem;
}

/* 테마 상태별 스타일 */
.theme-bull {
    background-color: #fff0f0;
    border: 2px solid var(--bull-color);
    color: var(--bull-color);
}

.theme-bear {
    background-color: #f0f8ff;
    border: 2px solid var(--bear-color);
    color: var(--bear-color);
}