.sidebar {
    width: 260px;
    background-color: var(--sidebar-bg);
    color: var(--white);
    display: flex;
    flex-direction: column;
    height: 100vh;
    position: sticky;
    top: 0;
    transition: all 0.3s ease;
}

.sidebar-logo {
    padding: 40px 24px 20px;
    /* Increased top padding, adjusted bottom */
    font-size: 32px;
    /* Increased size */
    letter-spacing: -1px;
    margin-bottom: 10px;
    /* Added spacing from profile */
}

.logo-pass {
    color: #ffffff;
    font-weight: 400;
    /* Removed bold */
}

.logo-on.navy {
    color: #1e3a8a;
    /* Keeping Navy as requested */
    font-weight: 900;
    /* Making ON stand out more */
}

.logo-on {
    color: #4f46e5;
    /* Using a vibrant blue for 포인트, or navy as requested */
}

/* Specific request: Navy for ON */
.logo-on.navy {
    color: #1e3a8a;
}

.sidebar-profile {
    padding: 0 24px 30px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.profile-info {
    display: flex;
    flex-direction: column;
}

.profile-role {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 4px;
}

.profile-email {
    font-size: 12px;
    color: #94a3b8;
}

.sidebar-menu {
    flex: 1;
    padding: 24px 0;
    list-style: none;
}

.menu-item {
    padding: 0 12px;
    margin-bottom: 4px;
}

.menu-link {
    display: flex;
    align-items: center;
    padding: 12px 16px;
    color: #cbd5e1;
    text-decoration: none;
    border-radius: 8px;
    font-size: 14px;
    transition: all 0.2s;
}

.menu-link:hover {
    background-color: var(--sidebar-hover);
    color: var(--white);
}

.menu-link.active {
    background-color: var(--accent-primary);
    color: var(--white);
}

.menu-link i.arrow {
    margin-left: auto;
    margin-right: 0;
    font-size: 10px;
    transition: transform 0.3s;
}

.menu-item.open .arrow {
    transform: rotate(180deg);
}

.submenu {
    list-style: none;
    padding: 0;
    margin: 0;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
    background-color: rgba(0, 0, 0, 0.1);
}

.menu-item.open .submenu {
    max-height: 200px;
    padding: 8px 0;
}

.submenu li a {
    display: block;
    padding: 10px 16px 10px 48px;
    color: #94a3b8;
    text-decoration: none;
    font-size: 13px;
    transition: all 0.2s;
}

.submenu li a:hover {
    color: var(--white);
    background-color: var(--sidebar-hover);
}

.menu-link i {
    margin-right: 12px;
    width: 20px;
    text-align: center;
}

.sidebar-footer {
    padding: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.logout-btn {
    display: flex;
    align-items: center;
    color: #94a3b8;
    text-decoration: none;
    font-size: 14px;
}

.logout-btn:hover {
    color: var(--white);
}
/* Technical Banner Styles */
.sidebar-banner { padding: 24px; margin-top: auto; }
.banner-card { background: linear-gradient(135deg, #3b82f6 0%, #1e40af 100%); padding: 20px; border-radius: 12px; color: white; text-decoration: none; display: block; position: relative; overflow: hidden; transition: transform 0.3s ease; box-shadow: 0 10px 15px -3px rgba(30, 64, 175, 0.4); }
.banner-card:hover { transform: translateY(-5px); }
.banner-card::after { content: ''; position: absolute; top: -50%; right: -50%; width: 200px; height: 200px; background: radial-gradient(circle, rgba(255,255,255,0.2) 0%, transparent 70%); }
.banner-card i.main-icon { font-size: 24px; margin-bottom: 12px; display: block; color: #93c5fd; }
.banner-card h4 { font-size: 14px; font-weight: 700; margin-bottom: 4px; }
.banner-card p { font-size: 11px; opacity: 0.8; line-height: 1.4; margin-bottom: 12px; }
.banner-link { font-size: 11px; font-weight: 700; display: flex; align-items: center; gap: 4px; color: #fff; }
.banner-link i { font-size: 9px; }