:root {
    --bg-color: #1a1a1a;
    --panel-bg: #2b2b2b;
    --text-main: #e0e0e0;
    --accent-green: #55aa55;
    --accent-red: #aa5555;
    --accent-blue: #5555aa;
    --border-color: #444;
}

body {
    font-family: 'Courier New', Courier, monospace;
    background-color: var(--bg-color);
    color: var(--text-main);
    margin: 0;
    padding: 20px;
    /* 默认桌面端保持一屏体验 */
    display: flex;
    justify-content: center;
    height: 100vh;
    box-sizing: border-box;
    overflow: hidden; 
}

/* === 游戏主容器布局 === */
#game-container {
    display: grid;
    /* 桌面端：左侧属性 | 中间日志 | 右侧行动 */
    grid-template-columns: 280px 1fr 260px; 
    grid-template-rows: 60px 1fr 80px;
    gap: 15px;
    width: 1200px;
    max-width: 100%;
    height: 100%;
}

/* 通用面板样式 */
.panel {
    background: var(--panel-bg);
    border: 2px solid var(--border-color);
    padding: 15px;
    border-radius: 4px;
    overflow-y: auto;
    /* 隐藏滚动条但允许滚动 (Chrome/Safari) */
    scrollbar-width: thin; 
    scrollbar-color: #555 #2b2b2b;
}

/* === 头部 === */
header {
    grid-column: 1 / -1;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 2px solid var(--accent-green);
    padding: 0 10px;
    background: #222;
}

h1 { margin: 0; font-size: 1.5rem; color: var(--accent-green); }
.turn-counter { font-size: 1.1rem; font-weight: bold; }

/* === 属性面板 (左侧) === */
#stats-panel {
    grid-column: 1;
    grid-row: 2;
}

.stats-group { margin-bottom: 20px; }
.stats-group h3 { border-bottom: 1px solid #666; padding-bottom: 5px; margin-top: 0; font-size: 1rem; color: #aaa; }
.stat-row { display: flex; justify-content: space-between; margin-bottom: 6px; font-size: 0.9rem; }
.stat-val { font-weight: bold; }

.progress-bar { height: 6px; background: #444; margin-top: 2px; border-radius: 3px; overflow: hidden; margin-bottom: 4px; }
.progress-fill { height: 100%; background: var(--accent-green); transition: width 0.3s; }
.fill-danger { background: var(--accent-red); }
.fill-warn { background: #aa8800; }

/* === 日志面板 (中间) === */
#log-panel {
    grid-column: 2;
    grid-row: 2;
    font-size: 0.95rem;
    line-height: 1.4;
    display: flex;
    flex-direction: column-reverse; /* 新日志在底部，像终端一样 */
    background: #222; /* 日志背景深一点 */
}
.log-entry { margin-bottom: 8px; border-bottom: 1px dashed #333; padding-bottom: 4px; word-break: break-all; }
.log-turn { color: #888; font-size: 0.8em; margin-right: 5px; }
.log-event { color: var(--accent-blue); font-weight: bold; }
.log-danger { color: var(--accent-red); }
.log-success { color: var(--accent-green); }

/* === 动画效果 === */
@keyframes fadeInSlide {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}
.log-entry.animate-in { animation: fadeInSlide 0.4s ease-out forwards; }

/* === 行动面板 (右侧) === */
#actions-panel { 
    grid-column: 3; 
    grid-row: 2; 
    display: flex; 
    flex-direction: column; 
    gap: 10px; 
}
button.action-btn {
    background: #333;
    border: 1px solid #666;
    color: white;
    padding: 12px;
    cursor: pointer;
    text-align: left;
    transition: all 0.2s;
    position: relative;
    font-size: 1rem;
}
button.action-btn:hover:not(:disabled) { background: #444; border-color: var(--accent-green); }
button.action-btn:active:not(:disabled) { transform: translateY(2px); }
button.action-btn:disabled { opacity: 0.5; cursor: wait; filter: grayscale(0.8); }
.cost-tag { float: right; font-size: 0.75em; color: #aaa; margin-top: 2px; }

/* === 底部控制栏 === */
#controls-panel {
    grid-column: 1 / -1;
    grid-row: 3;
    display: flex;
    align-items: center;
    justify-content: center;
}
#next-week-btn {
    background: var(--accent-green);
    color: #000;
    font-weight: bold;
    font-size: 1.2rem;
    padding: 12px 50px;
    border: none;
    cursor: pointer;
    border-radius: 4px;
    width: 100%; /* 移动端友好 */
    max-width: 400px;
}
#next-week-btn:hover:not(:disabled) { background: #66cc66; }
#next-week-btn:disabled { opacity: 0.6; cursor: wait; }

/* === 弹窗与遮罩 === */
#overlay {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(0,0,0,0.9);
    display: flex; justify-content: center; align-items: center;
    z-index: 100;
    overflow-y: auto; /* 防止弹窗内容过高无法滚动 */
    padding: 20px;
    box-sizing: border-box;
}
.modal {
    background: var(--panel-bg);
    border: 2px solid var(--accent-green);
    padding: 25px;
    width: 600px;
    max-width: 100%;
    text-align: center;
    box-shadow: 0 0 20px rgba(0,0,0,0.5);
}
.option-group { display: flex; gap: 15px; justify-content: center; margin: 20px 0; }
.choice-btn {
    flex: 1; padding: 15px; background: #333; border: 1px solid #555; color: white; cursor: pointer;
    transition: all 0.2s;
}
.choice-btn.selected { border-color: var(--accent-green); background: #2a3a2a; transform: scale(1.02); }
.choice-btn small { font-size: 0.8rem; line-height: 1.4; color: #aaa; display: block; margin-top: 5px; }
.choice-btn strong { font-size: 1.1rem; color: var(--accent-green); }

.hidden { display: none !important; }

/* =========================================
   移动端适配 (响应式断点)
   ========================================= */
@media screen and (max-width: 900px) {
    body {
        /* 移动端允许滚动 */
        height: auto;
        overflow-y: auto;
        padding: 10px;
        display: block; /* 取消 flex center */
    }

    #game-container {
        display: flex;
        flex-direction: column; /* 垂直排列 */
        gap: 10px;
        height: auto;
        width: 100%;
    }

    /* 头部 */
    header {
        position: sticky; /* 头部吸顶 */
        top: 0;
        z-index: 10;
        padding: 10px 5px;
        border-bottom-width: 3px;
    }
    h1 { font-size: 1.2rem; }
    .turn-counter { font-size: 0.9rem; }

    /* 属性面板 */
    #stats-panel {
        order: 2; /* 排列顺序 */
        max-height: 300px; /* 限制高度，防止太长 */
        display: grid;
        grid-template-columns: 1fr 1fr; /* 属性分两列显示以节省空间 */
        gap: 15px;
    }
    .stats-group { margin-bottom: 0; }
    
    /* 日志面板 */
    #log-panel {
        order: 4;
        height: 200px; /* 固定高度，内部滚动 */
        border-top: 1px solid #444;
        border-bottom: 1px solid #444;
    }

    /* 行动面板 */
    #actions-panel {
        order: 3;
        display: grid;
        grid-template-columns: 1fr 1fr; /* 按钮分两列 */
        gap: 8px;
    }
    /* 升级按钮占满一行，因为它文字长 */
    #btn-upgrade { grid-column: 1 / -1; }

    /* 底部控制 */
    #controls-panel {
        order: 5;
        position: sticky;
        bottom: 0;
        background: var(--bg-color);
        padding: 10px 0;
        z-index: 10;
        border-top: 1px solid #333;
    }

    /* 弹窗适配 */
    .option-group {
        flex-direction: column; /* 选项垂直排列 */
    }
    .choice-btn {
        width: 100%;
        margin-bottom: 5px;
    }
    .modal {
        padding: 15px;
        margin-top: 50px; /* 防止被软键盘或顶部遮挡 */
    }
}