* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: monospace;
    letter-spacing: 0.05em;
}

body {
    display: flex;
    background-color: #121214;
    color: #e1e1e6;
    height: 100vh;
    overflow: hidden;
}

.sidebar {
    display: flex;
    flex-direction: column;
    z-index: 10;
    background-color: #1a1a1e;
    border-right: 1px solid #29292e;
    width: 260px;
}

.sidebar-header {
    padding: 25px;
    border-bottom: 1px solid #29292e;
    text-align: center;
}

.sidebar-header h2 {
    font-size: 2rem;
    letter-spacing: 2px;
    color: #d26ffc;
}

.nav-links {
    display: flex;
    flex-direction: column;
    padding: 25px 25px;
    gap: 15px;
}

.nav-btn {
    padding: 12px 15px;
    width: 100%;
    background: none;
    border: none;
    color: #a8a8b3;
    text-align: left;
    font-size: 1rem;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.nav-btn:hover {
    background-color: #29292e;
    color: #fff;
    transition: all;
}

.nav-btn:active {
    background-color: #d26ffc;
    color: #fff;
    font-weight: bold;
}

.main-content {
    background-color: #121214;
    flex: 1;
    height: 100vh;
    position: relative;
    overflow: hidden;
}

#app-frame {
    display: block;
    width: 100%;
    height: 100%;
    border: none;
}