* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: Microsoft Yahei
}

body {
    background: #050512;
    color: #eee;
    display: flex;
    height: 100vh;
    overflow: hidden
}

#canvasWrap {
    flex: 1
}

canvas {
    background: #03030a;
    display: block
}

#uiPanel {
    width: 340px;
    background: #101226;
    padding: 14px;
    border-left: #333a70 solid 2px;
    display: flex;
    flex-direction: column
}

#uiContent {
    flex: 1;
    overflow: auto
}

#signature {
    font-size: 10px;
    color: #555;
    text-align: right;
    margin-top: 8px;
    padding-top: 8px;
    border-top: 1px solid #333a70
}

h3 {
    color: #80b8ff;
    margin-bottom: 8px;
    font-size: 16px
}

.info-line {
    margin: 5px 0;
    font-size: 13px
}

.diff-row {
    display: flex;
    gap: 6px;
    align-items: center;
    margin: 5px 0
}

.diff-row select {
    flex: 1;
    padding: 5px
}

.diff-row button {
    width: auto;
    padding: 6px 10px;
    font-size: 12px
}

hr {
    margin: 8px 0;
    border-color: #333866
}

button {
    width: 100%;
    padding: 8px;
    margin: 4px 0;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-weight: bold;
    font-size: 13px
}

.btn-turn {
    background: #278833;
    color: #fff
}

.btn-weapon {
    background: #244699;
    color: #fff
}

.btn-endgame {
    background: #912828;
    color: #fff
}

.btn-deploy {
    background: #b8860b;
    color: #fff
}

select {
    width: 100%;
    padding: 5px;
    margin: 4px 0;
    font-size: 13px
}

.tips {
    font-size: 11px;
    color: #aaa;
    line-height: 1.5;
    margin-top: 6px
}

.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.85);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 100;
}

.modal-box {
    background: #121430;
    border: 2px solid #ffdd44;
    padding: 30px;
    min-width: 420px;
    max-width: 500px;
    text-align: center
}

.modal-box h2 {
    color: #ffdd44;
    margin-bottom: 12px
}

.modal-box p {
    color: #ddd;
    font-size: 15px;
    margin: 8px 0;
    line-height: 1.5
}

.modal-box button {
    margin-top: 16px;
    width: 120px;
    padding: 8px;
    background: #278833;
    color: #fff;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-weight: bold
}

.score-text {
    margin: 10px 0;
    font-size: 16px
}

.send-selector {
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 6px 0
}

.send-selector label {
    font-size: 13px;
    color: #aaa
}

.send-selector select {
    flex: 1;
    padding: 5px
}

.xdisplay {
    display: flex;
    align-items: center;
    gap: 8px;
    white-space: nowrap;
}