/* ── 侧边栏 ── */
.sidebar {
    width: 240px;
    min-height: 100vh;
    background-color: #f8f9fa;
    display: flex;
    flex-direction: column;
    transition: margin-left 0.3s ease;
}
.sidebar.collapsed {
    margin-left: -240px;
}
.sidebar .nav-link {
    color: #495057;
    border-radius: 6px;
    margin: 1px 0;
    padding: 8px 12px;
    font-size: 0.9rem;
}
.sidebar .nav-link:hover {
    background-color: #e9ecef;
}
.sidebar .nav-link.active {
    background-color: #0d6efd;
    color: #fff;
}
.sidebar-footer {
    font-size: 0.8rem;
}

/* ── 主内容 ── */
#page-content {
    min-height: 100vh;
    background-color: #f0f2f5;
}

/* ── 登录页 ── */
.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}
.login-card {
    width: 100%;
    max-width: 400px;
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.15);
}

/* ── 日志终端 ── */
.log-terminal {
    background: #1e1e1e;
    color: #d4d4d4;
    font-family: 'Consolas', 'Courier New', monospace;
    font-size: 0.82rem;
    line-height: 1.5;
    padding: 16px;
    border-radius: 8px;
    height: 500px;
    overflow-y: auto;
    white-space: pre-wrap;
    word-wrap: break-word;
}
.log-terminal::-webkit-scrollbar {
    width: 8px;
}
.log-terminal::-webkit-scrollbar-thumb {
    background: #555;
    border-radius: 4px;
}

/* ── 表格 ── */
.table th {
    font-weight: 600;
    font-size: 0.85rem;
    text-transform: uppercase;
    color: #6c757d;
}

/* ── 卡片 ── */
.card {
    border: none;
    border-radius: 10px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.08);
}