.urban-panel {
    --color-dark-bg: #1a0a1a; /* 深紫黑 */
    --color-medium-bg: #2a142a; /* 稍亮紫黑 */
    --color-light-bg: #4a2c4a; /* 更亮紫黑 */
    --color-text-primary: #e0d0e0; /* 灰紫色文字 */
    --color-text-secondary: #a080a0; /* 淡紫灰文字 */
    --color-accent-red: #8b0000; /* 血红 */
    --color-accent-red-light: #ff3333; /* 亮血红 */
    --color-accent-blue: #004d40; /* 冷光蓝 (深青色) */
    --color-accent-blue-light: #00e676; /* 亮冷光蓝 */
    --color-border: #3a1e3a; /* 深边框 */
    --color-divider: #5a2e5a; /* 分割线 */
    --font-family-sans: 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;

    font-family: var(--font-family-sans);
    background: var(--color-dark-bg);
    color: var(--color-text-primary);
    padding: 1rem;
    line-height: 1.6;
    font-size: 14px;
    max-width: 100%; /* 确保在小屏幕上不会溢出 */
    box-sizing: border-box; /* 包含padding和border在宽度内 */
    position: relative;
    overflow: hidden; /* 防止背景装饰溢出 */
    border-radius: 8px;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.7);
}

/* 装饰性背景 */
.urban-panel::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 10% 10%, rgba(139, 0, 0, 0.1) 1%, transparent 10%),
        radial-gradient(circle at 90% 90%, rgba(0, 77, 64, 0.1) 1%, transparent 10%),
        url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="100" height="100" viewBox="0 0 100 100"><rect x="0" y="0" width="100" height="100" fill="transparent"/><path d="M50 0 L100 50 L50 100 L0 50 Z" fill="%232a142a" fill-opacity="0.1"/><path d="M50 25 L75 50 L50 75 L25 50 Z" fill="%234a2c4a" fill-opacity="0.05"/></svg>') repeat;
    opacity: 0.7;
    mix-blend-mode: hard-light;
    z-index: 0;
}

.urban-panel > *:not(hr) {
    position: relative;
    z-index: 1; /* 确保内容在背景之上 */
}

/* 标题 */
.urban-panel h2 {
    color: var(--color-accent-red-light);
    text-align: center;
    margin-bottom: 1.5rem;
    font-size: 1.5em;
    text-shadow: 0 0 8px var(--color-accent-red);
}

/* 水平分隔线 */
.urban-panel hr {
    border: none;
    height: 1px;
    background: linear-gradient(to right, transparent, var(--color-divider), transparent);
    margin: 1.5rem 0;
    box-shadow: 0 0 5px var(--color-divider);
}

/* 时间、地点、环境 */
.urban-panel > div:first-of-type, /* 目标是时间、地点、环境的容器 */
.urban-panel > p:first-of-type,
.urban-panel > hr + div, /* 假设时间地点环境是 hr 后的第一个 div */
.urban-panel > hr + p {
    font-size: 0.85em;
    color: var(--color-text-secondary);
    margin-bottom: 0.5rem;
    text-align: center;
}

/* 状态栏 */
.urban-panel > p:has(b) { /* 针对包含粗体字的 p 标签，假定为状态栏 */
    font-size: 0.9em;
    color: var(--color-text-primary);
    text-align: center;
    margin-top: 0.5rem;
    margin-bottom: 1.5rem;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.8rem;
}
.urban-panel > p:has(b) span {
    display: inline-block;
    padding: 0.2rem 0.6rem;
    background-color: var(--color-medium-bg);
    border: 1px solid var(--color-border);
    border-radius: 4px;
    box-shadow: 0 0 5px rgba(0,0,0,0.5);
}

/* 正文段落 */
.urban-panel p {
    margin-bottom: 1rem;
    text-align: justify;
}

/* 对话样式 */
.urban-panel .aus,
.urban-panel .aes {
    display: block;
    padding: 0.5rem 1rem;
    margin: 0.8rem 0;
    border-radius: 6px;
    font-style: italic;
    line-height: 1.5;
    word-break: break-word; /* 防止长单词溢出 */
}

.urban-panel .aus {
    background-color: rgba(0, 77, 64, 0.2); /* 冷光蓝的半透明背景 */
    color: var(--color-accent-blue-light);
    border-left: 3px solid var(--color-accent-blue);
    text-align: left;
    box-shadow: 0 0 5px rgba(0, 77, 64, 0.3);
}

.urban-panel .aes {
    background-color: rgba(139, 0, 0, 0.2); /* 血红的半透明背景 */
    color: var(--color-accent-red-light);
    border-right: 3px solid var(--color-accent-red);
    text-align: right;
    box-shadow: 0 0 5px rgba(139, 0, 0, 0.3);
}

/* Details 折叠区域 */
.urban-panel details {
    background-color: var(--color-medium-bg);
    border: 1px solid var(--color-border);
    border-radius: 6px;
    margin-bottom: 0.8rem;
    overflow: hidden; /* 防止内容溢出 */
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.6);
    transition: all 0.3s ease-in-out;
}

.urban-panel details[open] {
    background-color: var(--color-light-bg); /* 打开时颜色稍亮 */
    border-color: var(--color-accent-red);
    box-shadow: 0 0 15px rgba(139, 0, 0, 0.4);
}

.urban-panel summary {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.8rem 1rem;
    cursor: pointer;
    background-color: var(--color-medium-bg);
    color: var(--color-text-primary);
    font-weight: bold;
    border-bottom: 1px solid var(--color-border);
    user-select: none;
    position: relative;
    transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}

.urban-panel summary:hover {
    background-color: rgba(var(--color-accent-red), 0.1);
    color: var(--color-accent-red-light);
    border-color: var(--color-accent-red);
}

.urban-panel summary::before {
    content: '🔐'; /* 未打开时的锁图标 */
    font-size: 1.2em;
    margin-right: 0.5rem;
    transition: transform 0.2s ease-in-out;
}

.urban-panel details[open] summary::before {
    content: '🔓'; /* 打开时的解锁图标 */
    transform: rotate(90deg);
    color: var(--color-accent-red-light);
}

/* Details 内部内容 */
.urban-panel details > div,
.urban-panel details > p,
.urban-panel details > table {
    padding: 1rem;
    padding-top: 0.5rem;
    font-size: 0.9em;
    color: var(--color-text-secondary);
}

.urban-panel details[open] > div,
.urban-panel details[open] > p,
.urban-panel details[open] > table {
    color: var(--color-text-primary); /* 打开后文字颜色变亮 */
}

/* 表格样式 */
.urban-panel table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1rem;
    font-size: 0.85em;
    background-color: rgba(var(--color-dark-bg), 0.5);
}

.urban-panel th,
.urban-panel td {
    border: 1px solid var(--color-border);
    padding: 0.6rem;
    text-align: left;
    color: var(--color-text-secondary);
}

.urban-panel th {
    background-color: var(--color-medium-bg);
    color: var(--color-text-primary);
    font-weight: bold;
}

.urban-panel tr:nth-child(even) {
    background-color: rgba(var(--color-medium-bg), 0.3);
}

/* 可用指令区域 */
.urban-panel details:last-of-type[open] p {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.urban-panel details:last-of-type[open] p > span {
    display: block;
    background-color: rgba(var(--color-accent-blue), 0.1);
    border: 1px solid var(--color-accent-blue);
    border-radius: 4px;
    padding: 0.4rem 0.8rem;
    transition: background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease;
    cursor: pointer;
}

.urban-panel details:last-of-type[open] p > span:hover {
    background-color: var(--color-accent-blue);
    border-color: var(--color-accent-blue-light);
    color: var(--color-text-primary);
    box-shadow: 0 0 8px var(--color-accent-blue-light);
}

/* 强调文本 */
.urban-panel strong, .urban-panel b {
    color: var(--color-accent-red-light);
    font-weight: bold;
    text-shadow: 0 0 3px rgba(139, 0, 0, 0.5);
}

.urban-panel em, .urban-panel i {
    color: var(--color-accent-blue-light);
    font-style: italic;
    text-shadow: 0 0 3px rgba(0, 77, 64, 0.5);
}

/* 确保内部P标签不会被 Details 的 padding 抵消 */
.urban-panel details p {
    margin-bottom: 0.5rem;
}

.urban-panel details p:last-child {
    margin-bottom: 0;
}

/* 适配移动端 */
@media (max-width: 768px) {
    .urban-panel {
        padding: 0.8rem;
        font-size: 13px;
    }

    .urban-panel h2 {
        font-size: 1.3em;
        margin-bottom: 1rem;
    }

    .urban-panel hr {
        margin: 1rem 0;
    }

    .urban-panel summary {
        padding: 0.6rem 0.8rem;
    }

    .urban-panel details > div,
    .urban-panel details > p,
    .urban-panel details > table {
        padding: 0.8rem;
        padding-top: 0.4rem;
    }

    .urban-panel .aus,
    .urban-panel .aes {
        padding: 0.4rem 0.6rem;
        margin: 0.6rem 0;
        font-size: 0.9em;
    }

    .urban-panel th,
    .urban-panel td {
        padding: 0.4rem;
        font-size: 0.8em;
    }
}