.aside li {
    background: rgba(255,255,255,0.08);
    border-radius: 6px;
    margin-bottom: 8px;
    padding: 8px 12px;
    font-size: 1em;
    color: #fff;
    box-shadow: 0 1px 4px rgba(0,0,0,0.07);
    transition: background 0.2s, color 0.2s, box-shadow 0.2s, transform 0.1s;
    cursor: pointer;
}
.aside li:hover {
    background: rgba(255,255,255,0.18);
    color: #ffd700;
    box-shadow: 0 4px 16px rgba(0,0,0,0.13);
    transform: scale(1.04);
}
.aside li:active {
    background: #ffd700;
    color: #260e63;
    box-shadow: 0 2px 8px rgba(0,0,0,0.18);
    transform: scale(0.98);
}
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Cascadia Code', monospace;
}

body, html {
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.header {
    background: #040336;
    color: #fff;
    padding: 20px 100px;
    border-bottom: 10px solid #00094b;
}

.main {
    display: flex;
    height: calc(100% - 60px);
    width: 100vw;
}

.canvas {
    flex: 1;
    width: 100%;
    height: 100%;
    position: relative;
}


.aside {
    width: 420px;
    background: linear-gradient(135deg, #260e63 60%, #3a1c71 100%);
    border-left: 1px solid #2d1a4d;
    padding: 24px 18px 18px 18px;
    box-shadow: -2px 0 25px rgba(0, 8, 255, 0.12);
    color: #f3f3f3;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    min-height: 100%;
}

hr {
    width: 100%;
    border: 3px solid #1e1e1e;
    border-top: 1px solid rgba(255,255,255,0.4);
    margin: 12px 0;
}

details {
    width: 100%;
}

.aside details {
    background: rgba(255,255,255,0.04);
    border-radius: 10px;
    padding: 12px 16px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    margin-bottom: 12px;
    width: 100%;
}

.aside summary {
    font-size: 1.2em;
    font-weight: bold;
    color: #ffd700;
    cursor: pointer;
    margin-bottom: 8px;
}

.aside h2 {
    font-size: 1.1em;
    color: #a3e3ff;
    margin-bottom: 8px;
    margin-top: 0;
}

.aside ul {
    list-style: none;
    padding-left: 0;
    margin: 0;
}

.aside li {
    background: rgba(255,255,255,0.08);
    border-radius: 6px;
    margin-bottom: 8px;
    padding: 8px 12px;
    font-size: 1em;
    color: #fff;
    box-shadow: 0 1px 4px rgba(0,0,0,0.07);
    transition: background 0.2s;
}
.aside li:hover {
    background: rgba(255,255,255,0.18);
    color: #ffd700;
}

.task-points {
    margin: 10px;
    padding: 10px;
    border: 2px solid rgba(247, 222, 0, 0.8);
    border-radius: 10px;
}