:root {
    --bg-primary: #0d1117;
    --bg-secondary: #161b22;
    --bg-tertiary: #21262d;
    --border: #30363d;
    --text: #e6edf3;
    --text-secondary: #8b949e;
    --accent: #58a6ff;
    --accent-glow: rgba(88, 166, 255, 0.15);
    --success: #238636;
    --warning: #d29922;
    --error: #f85149;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: 'Segoe UI', sans-serif; background: var(--bg-primary); color: var(--text); }

/* 登录页 */
.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
}
.login-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 40px;
    width: 400px;
}
.login-header { text-align: center; margin-bottom: 32px; }
.login-logo { font-size: 48px; margin-bottom: 16px; }
.login-header h1 { font-size: 24px; margin-bottom: 8px; }
.login-header p { color: var(--text-secondary); font-size: 14px; }
.login-form .form-group { margin-bottom: 20px; }

/* 主布局 */
.app-container { display: flex; min-height: 100vh; }
.sidebar {
    width: 240px;
    background: var(--bg-secondary);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
}
.sidebar-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 20px;
    border-bottom: 1px solid var(--border);
}
.sidebar-logo { font-size: 24px; }
.sidebar-title { font-size: 16px; font-weight: 600; }
.sidebar-nav { padding: 12px; }
.nav-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s;
    margin-bottom: 4px;
    color: var(--text-secondary);
}
.nav-item:hover { background: var(--bg-tertiary); color: var(--text); }
.nav-item.active { background: var(--accent-glow); color: var(--accent); }
.main-content { flex: 1; padding: 32px; overflow-y: auto; }

/* 页面 */
.page { display: none; }
.page.active { display: block; }
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}
.page-header h2 { font-size: 24px; font-weight: 600; }

/* 表单 */
.form-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 24px;
    max-width: 600px;
}
.form-group { margin-bottom: 16px; }
.form-label { display: block; margin-bottom: 8px; color: var(--text-secondary); font-size: 13px; }
.form-input {
    width: 100%;
    padding: 10px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text);
    font-size: 14px;
    transition: border-color 0.2s;
}
.form-input:focus { outline: none; border-color: var(--accent); }
.form-row { display: flex; gap: 12px; }
.form-row .form-group { flex: 1; }

/* 按钮 */
.btn { padding: 8px 16px; border-radius: 6px; font-size: 13px; font-weight: 600; cursor: pointer; border: none; transition: background 0.2s; }
.btn-primary { background: var(--accent); color: white; }
.btn-primary:hover { background: #409eff; }
.btn-secondary { background: var(--bg-tertiary); color: var(--text); border: 1px solid var(--border); }
.btn-secondary:hover { background: var(--border); }
.btn-danger { background: rgba(248, 81, 73, 0.15); color: var(--error); }
.btn-danger:hover { background: rgba(248, 81, 73, 0.25); }
.btn-sm { padding: 6px 12px; font-size: 12px; }
.btn-full { width: 100%; }

/* 统计卡片 - 2x2网格 */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin-bottom: 24px;
}
.stat-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 20px;
}
.stat-value { font-size: 32px; font-weight: 700; margin-bottom: 4px; }
.stat-label { font-size: 13px; color: var(--text-secondary); }

/* 账号卡片网格 */
.account-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 16px;
}
.account-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 16px;
    cursor: pointer;
    transition: all 0.2s;
}
.account-card:hover {
    border-color: var(--accent);
    transform: translateY(-2px);
}
.account-card-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
}
.account-icon {
    width: 40px;
    height: 40px;
    background: var(--bg-tertiary);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
}
.account-info { flex: 1; }
.account-name { font-size: 14px; font-weight: 600; margin-bottom: 4px; }
.account-type { font-size: 12px; color: var(--text-secondary); }
.account-status {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
}
.status-dot { width: 8px; height: 8px; border-radius: 50%; }
.status-dot.verified { background: var(--success); }
.status-dot.unverified { background: var(--error); }

/* 弹窗 */
.modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}
.modal-overlay.active { display: flex; }
.modal-content {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 24px;
    width: 500px;
}
.account-detail-modal .modal-content { width: 400px; }
.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}
.modal-title { font-size: 18px; font-weight: 600; }
.close-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 24px;
    cursor: pointer;
    padding: 0;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.close-btn:hover { color: var(--text); }

/* 账号详情 */
.detail-item {
    display: flex;
    justify-content: space-between;
    padding: 12px 0;
    border-bottom: 1px solid var(--border);
}
.detail-item:last-child { border-bottom: none; }
.detail-label { color: var(--text-secondary); font-size: 13px; }
.detail-value { font-size: 13px; font-weight: 500; }
.detail-actions {
    display: flex;
    gap: 12px;
    margin-top: 20px;
}

/* SKC选择 */
.skc-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 12px;
    max-height: 300px;
    overflow-y: auto;
    padding: 4px;
}
.skc-card {
    background: var(--bg-tertiary);
    border: 2px solid var(--border);
    border-radius: 8px;
    padding: 12px;
    cursor: pointer;
    transition: all 0.2s;
}
.skc-card:hover { border-color: var(--accent); background: var(--accent-glow); }
.skc-card.selected { border-color: var(--accent); background: var(--accent-glow); }
.skc-code { font-family: 'Consolas', monospace; font-size: 14px; font-weight: 600; margin-bottom: 4px; }
.skc-name { font-size: 12px; color: var(--text-secondary); }
.skc-search {
    width: 100%;
    padding: 8px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text);
    margin-bottom: 12px;
}

/* 任务分类卡片 */
.task-category { margin-bottom: 24px; }
.category-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    border-radius: 8px;
    border-left: 4px solid var(--border);
    background: var(--bg-secondary);
    margin-bottom: 12px;
}
.category-header.running { border-left-color: var(--warning); }
.category-header.success { border-left-color: var(--success); }
.category-header.error { border-left-color: var(--error); }
.category-title { font-size: 14px; font-weight: 600; }
.category-count { font-size: 12px; color: var(--text-secondary); }
.task-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 16px;
}
.task-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 16px;
    transition: all 0.2s;
}
.task-card.running { border-color: var(--warning); }
.task-card.success { border-color: var(--success); }
.task-card.error { border-color: var(--error); }
.task-card:hover { transform: translateY(-2px); box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3); }
.task-header {
    display: flex;
    justify-content: space-between;
    align-items: start;
    margin-bottom: 12px;
}
.task-name { font-size: 14px; font-weight: 600; margin-bottom: 4px; }
.task-meta { font-size: 12px; color: var(--text-secondary); }
.task-skc { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 12px; }
.skc-tag {
    background: var(--bg-tertiary);
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 11px;
    color: var(--text-secondary);
}

/* 日志区域 */
.log-area {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 8px;
    height: 400px;
    overflow-y: auto;
    padding: 16px;
    font-family: 'Consolas', monospace;
    font-size: 12px;
    line-height: 1.6;
}
.log-entry { padding: 4px 0; }
.log-entry.success { color: var(--success); }
.log-entry.error { color: var(--error); }
.log-entry.warning { color: var(--warning); }