* {
    box-sizing: border-box;
}

html,
body {
    margin: 0;
    min-height: 100%;
}

body {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background: #eef8f3;
    color: #17352a;
    font-family: Arial, sans-serif;
}

main {
    flex: 1;
}

.site-header {
    height: 64px;
    background: #ffffff;
    border-bottom: 1px solid #b9dccc;
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: transform 0.3s ease;
}

.site-header.header-hide {
    transform: translateY(-100%);
}

.site-header-inner {
    width: 92%;
    max-width: 1400px;
    height: 100%;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.site-logo {
    color: #0f5132;
    font-size: 22px;
    font-weight: bold;
    text-decoration: none;
}

.site-logo span {
    color: #198754;
}

.site-header-menu {
    display: flex;
    align-items: center;
    gap: 42px;
}

.site-nav {
    display: flex;
    align-items: center;
    gap: 28px;
}

.site-nav a {
    color: #617a70;
    font-size: 14px;
    text-decoration: none;
    transition: color 0.2s;
    position: relative;
    padding: 8px 10px;
    border-radius: 6px;
}

.site-nav a:hover,
.site-nav a.active {
    color: #0f5132;
    background: #eaf7f1;
}

.site-nav a::after {
    position: absolute;
    left: 10px;
    right: 10px;
    bottom: 3px;
    height: 2px;
    background: #198754;
    transform: scaleX(0);
    transition: transform 0.2s;
    content: "";
}

.site-nav a:hover::after,
.site-nav a.active::after {
    transform: scaleX(1);
}
.site-user-menu {
    display: flex;
    align-items: center;
    gap: 16px;
    padding-left: 24px;
    border-left: 1px solid #b9dccc;
}

.site-user-menu a {
    position: relative;
    padding: 7px 9px;
    border-radius: 6px;
    color: #617a70;
    font-size: 13px;
    text-decoration: none;
}

.site-user-menu a:hover {
    color: #0f5132;
    background: #eaf7f1;
}

.site-user-menu a::after {
    position: absolute;
    left: 9px;
    right: 9px;
    bottom: 2px;
    height: 2px;
    background: #198754;
    transform: scaleX(0);
    transition: transform 0.2s;
    content: "";
}

.site-user-menu a:hover::after {
    transform: scaleX(1);
}
.site-user-menu .join-link {
    padding: 7px 13px;
    color: #ffffff;
    background: #198754;
    border-radius: 6px;
    font-weight: bold;
}

.site-user-menu .join-link:hover {
    color: #ffffff;
    background: #146c43;
}

.site-footer {
    margin-top: 20px;
    background: #eaf7f1;
    border-top: 1px solid #b9dccc;
}

.site-footer-inner {
    width: 92%;
    max-width: 1400px;
    min-height: 80px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 20px;
}

.footer-logo {
    color: #0f5132;
    font-size: 18px;
    font-weight: bold;
}

.footer-logo span {
    color: #198754;
}

.footer-text {
    color: #617a70;
    font-size: 13px;
}

.footer-copy {
    margin-left: auto;
    color: #7f968d;
    font-size: 12px;
}

.site-user-menu a.active {
    color: #0f5132;
    background: #eaf7f1;
}

.site-user-menu a.active::after {
    transform: scaleX(1);
}

@media (max-width: 760px) {
    .site-header-inner {
        width: calc(100% - 20px);
    }
    .site-header-menu {
        gap: 8px;
    }
    .site-nav {
        gap: 6px;
    }
    .site-nav a,
    .site-user-menu a {
        padding: 5px 6px;
        font-size: 11px;
    }
    .site-user-menu {
        gap: 5px;
        padding-left: 8px;
    }
    .site-user-menu .join-link {
        padding: 5px 7px;
    }
    .site-footer-inner {
        width: calc(100% - 24px);
        flex-direction: column;
        align-items: flex-start;
        justify-content: center;
    }
    .footer-copy {
        margin-left: 0;
    }
}