body {
    background: #e8f4ff;
    color: #102a4d;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.top-bar {
    background: #0c3b78;
    color: #fff;
    border-bottom: 4px solid #70a9ff;
}

.top-bar a {
    color: #d8ecff;
    text-decoration: none;
}

.top-bar a:hover {
    color: #ffffff;
}

.top-bar .brand-logo {
    width: 96px;
    height: 96px;
    object-fit: cover;
    border-radius: 50%;
    border: 3px solid #82b8ff;
    background: #fff;
}

.top-bar .brand-title p {
    margin-bottom: 0.15rem;
    color: #cce6ff;
    font-size: 0.92rem;
    letter-spacing: 0.14em;
}

.top-bar .brand-title h1 {
    margin: 0;
    font-size: 1.12rem;
    font-weight: 700;
    color: #fff;
}

.top-bar-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: center;
}

.top-bar-nav a {
    color: #d8ecff;
    font-weight: 600;
    transition: color 0.2s ease;
}

.top-bar-nav a:hover {
    color: #ffffff;
}

.page-title {
    font-size: 1.6rem;
    font-weight: 700;
    color: #0f3b73;
    margin-bottom: 1.5rem;
}

.panel {
    background: #f6fbff;
    border: 2px solid #88b8ff;
    border-radius: 0.65rem;
    box-shadow: 0 16px 36px rgba(13, 55, 122, 0.12);
}

.panel-heading {
    font-size: 1.05rem;
    font-weight: 700;
    color: #0a325f;
    padding: 1rem 1.25rem;
    border-bottom: 1px solid rgba(14, 61, 123, 0.12);
    background: rgba(128, 182, 255, 0.08);
    border-top-left-radius: 0.6rem;
    border-top-right-radius: 0.6rem;
}

.panel-body {
    padding: 1.25rem;
}

.panel-body .ratio {
    border-radius: 0.6rem;
    overflow: hidden;
    border: 1px solid #b7d8ff;
    background: #fff;
}

.content-card {
    border-radius: 0.65rem;
    overflow: hidden;
    background: #eef6ff;
    border: 1px solid #c6ddff;
    box-shadow: inset 0 0 0 1px rgba(13, 55, 122, 0.05);
}

.content-card img {
    width: 100%;
    display: block;
    border-bottom: 1px solid rgba(13, 55, 122, 0.1);
}

.content-card .card-text {
    padding: 1rem;
    color: #0f3b73;
    font-weight: 600;
}

.sidebar-menu {
    background: #0d467f;
    border-radius: 0.65rem;
    box-shadow: 0 14px 30px rgba(5, 28, 67, 0.18);
    padding: 1rem;
}

.sidebar-menu .menu-item {
    position: relative;
    display: block;
    padding: 14px 20px;
    color: #ebf6ff;
    background: rgba(255, 255, 255, 0.04);
    border-radius: 0.45rem;
    margin-bottom: 0.55rem;
    text-decoration: none;
    font-size: 0.95rem;
    transition: background 0.2s ease, transform 0.2s ease;
}

.sidebar-menu .menu-item:last-child {
    margin-bottom: 0;
}

.sidebar-menu .menu-item::after {
    content: '';
    position: absolute;
    right: 16px;
    top: 50%;
    width: 12px;
    height: 12px;
    border-right: 2px solid #cce8ff;
    border-bottom: 2px solid #cce8ff;
    transform: translateY(-50%) rotate(-45deg);
}

.sidebar-menu .menu-item:hover {
    background: rgba(255, 255, 255, 0.12);
    transform: translateX(2px);
}

.sidebar-menu .logo-block {
    width: 100%;
    text-align: center;
    margin-bottom: 1rem;
}

.sidebar-menu .logo-block img {
    width: 88px;
    height: 88px;
    border-radius: 50%;
    border: 3px solid #82b8ff;
    background: #fff;
    object-fit: cover;
}

.sidebar-menu .logo-text {
    margin-top: 0.85rem;
    color: #d2e8ff;
    font-weight: 600;
    font-size: 0.95rem;
    line-height: 1.4;
}

.page-section {
    padding-top: 1rem;
    padding-bottom: 2rem;
}

@media (max-width: 991px) {
    .page-title {
        font-size: 2rem;
    }

    .panel-body {
        padding: 1rem;
    }

    .sidebar-menu .menu-item {
        font-size: 0.9rem;
        padding: 12px 16px;
    }
}