:root {
    --bg-gradient: linear-gradient(135deg, #74ebd5, #ACB6E5);
    --text-color: #333;
    --button-bg: #ff7eb3;
    --button-hover: #ff4f91;
    --item-bg: white;
    --item-shadow: rgba(0, 0, 0, 0.1);
    --border-color: #ddd;
}

[data-theme="dark"] {
    --bg-gradient: linear-gradient(135deg, #2c3e50, #000000);
    --text-color: #f1f1f1;
    --button-bg: #6c5ce7;
    --button-hover: #a29bfe;
    --item-bg: #333;
    --item-shadow: rgba(255, 255, 255, 0.1);
    --border-color: #444;
}

body {
    font-family: 'Pretendard', sans-serif;
    background: var(--bg-gradient);
    color: var(--text-color);
    margin: 0;
    padding: 0;
    transition: background 0.3s, color 0.3s;
    min-height: 100vh;
}

.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 40px 20px;
    text-align: center;
}

h1 {
    margin-bottom: 40px;
}

.main-content {
    display: flex;
    justify-content: space-between;
    gap: 40px;
    align-items: flex-start;
}

/* 왼쪽 섹션 */
.fortune-section {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 20px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    backdrop-filter: blur(5px);
}

.main-btn {
    padding: 20px 40px;
    font-size: 20px;
    font-weight: bold;
}

#fortune {
    margin-top: 40px;
    font-size: 24px;
    font-weight: bold;
    min-height: 100px;
    word-break: keep-all;
}

/* 오른쪽 섹션 */
.history-section {
    flex: 1;
    text-align: left;
    background: rgba(255, 255, 255, 0.05);
    padding: 20px;
    border-radius: 20px;
    min-height: 500px;
    display: flex;
    flex-direction: column;
}

.title {
    font-size: 20px;
    font-weight: bold;
    margin-bottom: 20px;
    text-align: center;
}

#history {
    flex-grow: 1;
}

.history-item {
    background: var(--item-bg);
    color: var(--text-color);
    margin-bottom: 10px;
    padding: 12px 15px;
    border-radius: 10px;
    box-shadow: 0 2px 5px var(--item-shadow);
    font-size: 15px;
}

/* 페이징 */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 15px;
    margin-top: 20px;
}

.pagination button {
    padding: 8px 15px;
    font-size: 14px;
}

.pagination button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

button {
    border: none;
    border-radius: 10px;
    background-color: var(--button-bg);
    color: white;
    cursor: pointer;
    transition: all 0.2s;
}

button:hover:not(:disabled) {
    background-color: var(--button-hover);
    transform: translateY(-2px);
}

.theme-toggle {
    position: fixed;
    top: 20px;
    right: 20px;
    padding: 10px 20px;
    z-index: 100;
}

@media (max-width: 768px) {
    .main-content {
        flex-direction: column;
    }
}