/* css/variables.css */

/* 기본 색상 변수 */
:root {
    --bg-color: #DDE9F5;
    --text-color: #04091a;
    --sub-text-color: #04091a80;
    --theme-color: #035FE8;
    --accent-color: #2354e6;
    --btn-bg-color: #f1f3f5;
    --coin-bg-color: #1f2433;
    --card-text-color: #04091a;
    --card-bg-color: #dbe4ff;
}

/* 다크 모드 변수 */
body.dark {
    --bg-color: #17171a;
    --text-color: #f7f7f7;
    --sub-text-color: #f7f7f780;
    --theme-color: #035FE8;
    --accent-color: #17e6a1;
    --btn-bg-color: #292f40;
    --coin-bg-color: #1f2433;
    --card-text-color: #04091a;
    --card-bg-color: #ebfbee;
}

/* 기본 스타일 */
body {
    font-family: 'Montserrat', sans-serif;
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    background-color: var(--bg-color);
    color: var(--text-color);
    transition: all 0.3s ease-in-out;
}

/* 헤더 및 푸터 공통 스타일 */
header,
footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: #04091a;
    color: white;
    padding: 15px 20px;
}

header .logo {
    width: 40px;
}

header h1 {
    flex: 1;
    text-align: center;
    font-size: 24px;
}

.dark-mode-btn {
    background: none;
    border: none;
    color: white;
    font-size: 24px;
    cursor: pointer;
}

/* 버튼 스타일 */
.move-to-top-btn,
.move-back-btn {
    position: fixed;
    bottom: 120px;
    right: 30px;
    background-color: var(--btn-bg-color);
    border: none;
    border-radius: 50%;
    width: 48px;
    height: 48px;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    font-size: 24px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.3);
    transition: background-color 0.3s, color 0.3s;
}

.move-back-btn {
    left: 30px;
    bottom: auto;
    top: 20px;
}

.move-to-top-btn:hover,
.move-back-btn:hover {
    background-color: var(--accent-color);
    color: white;
}