/** NAV **/
.sidebar {
    width: 260px;
    background: #1a1a2e;
    color: #fff;
    display: flex;
    flex-direction: column;
    padding: 30px 20px;
    position: fixed;
    top: 0; left: 0;
    height: 100vh;
    z-index: 100;
    overflow-y: auto;
}
.sidebar .logo {
    font-size: 1.3rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 10px;
}
.sidebar .logo span { font-size: 1.6rem; }
.sidebar .version {
    font-size: 0.72rem;
    color: #aaa;
    margin-bottom: 36px;
}
.sidebar nav h3 {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: #888;
    margin-bottom: 12px;
}
.sidebar nav a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 14px;
    border-radius: 10px;
    color: #ccc;
    text-decoration: none;
    font-size: 0.9rem;
    transition: background 0.2s, color 0.2s;
    margin-bottom: 4px;
}
.sidebar nav a:hover,
.sidebar nav a.active {
    background: rgba(255,255,255,0.08);
    color: #fff;
}
.sidebar nav a .nav-icon {
    font-size: 1.1rem;
    width: 24px;
    text-align: center;
}
.sidebar .logout-btn {
    margin-top: auto;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    border-radius: 10px;
    color: #e74c3c;
    text-decoration: none;
    font-size: 0.88rem;
    transition: background 0.2s;
}
.sidebar .logout-btn:hover { background: rgba(231,76,60,0.12); }

@media (max-width: 768px) {
    .sidebar { display: none; }
}

/** FOOTER **/
.footer {
    margin-top: auto;
    padding-top: 40px;
    font-size: 0.78rem;
    color: #ccc;
    text-align: center;
    }

.footer-content {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 24px;
    flex-wrap: wrap;
}

.footer-version {
    color: #666;
    font-style: italic;
}