:root {
    --primary-color: #004080;
    --secondary-color: #337ab7;
    --bg-color: #f4f7f9;
    --white: #ffffff;
    --text-color: #333333;
    --sidebar-width: 250px;
}

body {
    font-family: 'Noto Sans KR', sans-serif;
    background-color: var(--bg-color);
    margin: 0;
    display: flex;
}

.sidebar {
    width: var(--sidebar-width);
    background-color: var(--primary-color);
    color: var(--white);
    height: 100vh;
    position: fixed;
    transition: all 0.3s;
    display: flex;
    flex-direction: column;
}

.sidebar .logo {
    padding: 20px;
    text-align: center;
    font-size: 1.5rem;
    font-weight: bold;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar .menu {
    padding: 20px 0;
    flex: 1;
    overflow-y: auto;
}

.sidebar .menu a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    padding: 12px 25px;
    display: block;
    transition: 0.2s;
}

.sidebar .menu a:hover,
.sidebar .menu a.active {
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--white);
}

.main-content {
    margin-left: var(--sidebar-width);
    width: calc(100% - var(--sidebar-width));
    min-height: 100vh;
}

.navbar {
    background-color: var(--white);
    padding: 15px 30px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.container {
    padding: 30px;
}

.card {
    background-color: var(--white);
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    padding: 20px;
    margin-bottom: 20px;
}

.btn {
    padding: 10px 20px;
    border-radius: 5px;
    border: none;
    cursor: pointer;
    font-weight: 500;
    text-decoration: none;
    display: inline-block;
}

.btn-primary {
    background-color: var(--primary-color);
    color: var(--white);
}

.tooltip-icon {
    display: inline-block;
    width: 16px;
    height: 16px;
    background-color: #ddd;
    color: #666;
    border-radius: 50%;
    text-align: center;
    font-size: 12px;
    line-height: 16px;
    margin-left: 5px;
    cursor: help;
}


/* Page footer - bottom horizontal logo strip */
.page-footer {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 40px;
    padding: 20px 30px;
    border-top: 1px solid #e5e9ef;
    background: #f4f7f9;
}

.footer-logo {
    max-height: 42px;
    object-fit: contain;
    opacity: 0.85;
    transition: opacity 0.2s;
}

.footer-logo:hover {
    opacity: 1;
}

.notice-box {
    margin-top: 14px;
    padding: 14px 18px;
    background: #f0f6ff;
    border-left: 4px solid #337ab7;
    border-radius: 4px;
    font-size: 13px;
    color: #333;
    line-height: 1.7;
}

.notice-box p {
    margin: 4px 0;
}

.notice-box ul {
    margin: 4px 0 4px 20px;
    padding: 0;
}

.notice-box li {
    margin-bottom: 2px;
}

.footer-contact {
    display: flex;
    flex-direction: column;
    gap: 2px;
    font-size: 11px;
    color: #666;
    line-height: 1.4;
    border-left: 1px solid #d1d8e0;
    padding-left: 20px;
    margin-left: -10px;
    /* Adjusting gap between STI logo and text */
}

.footer-contact b {
    color: #444;
}