body {
    font-family: "Segoe UI", Arial, sans-serif;
    margin: 0;
    background: linear-gradient(135deg, #1b2735, #121212);
    color: #e6f1ff;
    line-height: 1.6;
    padding-top: 120px;
    padding-bottom: 50px;
}

header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(20, 30, 48, 0.95);
    padding: 1rem;
    text-align: center;
    border-bottom: 2px solid #00b4ff;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.4);
    z-index: 1000;
}

header h1 {
    margin: 0;
    color: #00b4ff;
    padding-bottom: 12px;
    font-size: 2rem;
}

header nav a {
    color: #a0b8cc;
    margin: 0 12px;
    text-decoration: none;
    padding: 6px 14px;
    border-radius: 6px;
    transition: background-color 0.25s ease, color 0.25s ease;
    font-weight: 500;
}

header nav a.active, header nav a:hover {
    color: #fff;
    background-color: rgba(0, 192, 255, 0.2);
}

main {
    max-width: 800px;
    margin: auto;
    padding: 20px;
}

.patch {
    background-color: rgba(255, 255, 255, 0.05);
    border-left: 4px solid #00c0ff;
    margin-bottom: 20px;
    border-radius: 5px;
    transition: transform 0.2s ease, background-color 0.3s ease;
    padding: 0.5em 1em;
}

.patch:hover {
    background-color: rgba(255, 255, 255, 0.08);
    transform: translateY(-3px);
}

.patch summary {
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    list-style: none;
}

.patch summary::-webkit-details-marker {
    display: none;
}

.patch summary h2 {
    margin-left: 10px;
    color: #00c0ff;
}

.patch summary .date {
    font-size: 0.9rem;
    color: #bbb;
    margin-left: 10px;
}

.patch h3, p {
    padding-left: 20px;
}

.patch a {
    color: #66c2ff;
    text-decoration: none;
}

.patch li {
    padding-bottom: 10px;
}

.patch ul {
    padding-top: 10px;
}

.archive-link {
    display: inline-block;
    margin-top: 20px;
    color: #00c0ff;
    text-decoration: none;
    transition: color 0.3s ease;
}

.archive-link:hover {
    color: #66d9ff;
    text-decoration: underline;
}

footer {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background: rgba(45, 45, 45, 0.4);
    color: #ccc;
    text-align: center;
    padding: 15px;
    font-size: 14px;
    border-top: 1px solid #444;
    z-index: 1000;
}