* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif; display: flex; min-height: 100vh; background: #f5f5f5; }

.sidebar { width: 200px; background: #1a1a2e; color: #fff; display: flex; flex-direction: column; padding: 0; flex-shrink: 0; }
.nav-title { padding: 20px 16px; font-size: 18px; font-weight: bold; border-bottom: 1px solid #333; }
.nav-item { padding: 12px 16px; color: #ccc; text-decoration: none; cursor: pointer; }
.nav-item:hover { background: #16213e; color: #fff; }
.nav-spacer { flex: 1; }

.content { flex: 1; padding: 24px; overflow-y: auto; }
.page { max-width: 1400px; }

.login-container { max-width: 360px; margin: 80px auto; padding: 32px; background: #fff; border-radius: 8px; box-shadow: 0 2px 8px rgba(0,0,0,0.1); }
.login-container h2 { margin-bottom: 20px; }
.login-container input { width: 100%; padding: 10px; margin-bottom: 12px; border: 1px solid #ddd; border-radius: 4px; font-size: 14px; }
.login-container button { width: 100%; padding: 10px; background: #1a1a2e; color: #fff; border: none; border-radius: 4px; cursor: pointer; font-size: 14px; }
.login-container .error { color: #e74c3c; margin-top: 8px; font-size: 13px; }

.placeholder-page { display: flex; flex-direction: column; align-items: center; justify-content: center; height: 60vh; color: #666; }
.placeholder-page h2 { font-size: 28px; margin-bottom: 12px; }
.placeholder-page p { font-size: 16px; }

.project-tabs { display: flex; gap: 4px; margin-bottom: 16px; }
.project-tab { padding: 8px 20px; background: #e0e0e0; border-radius: 4px 4px 0 0; cursor: pointer; }
.project-tab.active { background: #fff; font-weight: bold; }

.report-container { display: flex; gap: 24px; }
.table-wrapper { flex: 1; background: #fff; border-radius: 8px; padding: 16px; box-shadow: 0 1px 4px rgba(0,0,0,0.08); }
.table-wrapper h3 { margin-bottom: 12px; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { padding: 8px 10px; text-align: right; border-bottom: 1px solid #eee; }
th { background: #fafafa; font-weight: 600; color: #555; }
td:first-child, th:first-child { text-align: left; }
tr.total-row { font-weight: bold; background: #f0f8ff; }
tr:hover { background: #f8f8f8; }

.view-toggle { margin-bottom: 12px; }
.view-toggle button { padding: 4px 12px; background: #e0e0e0; border: none; cursor: pointer; }
.view-toggle button.active { background: #1a1a2e; color: #fff; }

.admin-tabs { display: flex; gap: 4px; margin-bottom: 16px; border-bottom: 2px solid #1a1a2e; }
.admin-tab { padding: 10px 24px; background: #e0e0e0; border-radius: 4px 4px 0 0; cursor: pointer; }
.admin-tab.active { background: #1a1a2e; color: #fff; }

.admin-form { background: #fff; border-radius: 8px; padding: 20px; margin-bottom: 16px; box-shadow: 0 1px 4px rgba(0,0,0,0.08); }
.admin-form h4 { margin-bottom: 12px; }
.admin-form input { padding: 8px; margin-right: 8px; margin-bottom: 8px; border: 1px solid #ddd; border-radius: 4px; }
.admin-form button { padding: 8px 16px; background: #1a1a2e; color: #fff; border: none; border-radius: 4px; cursor: pointer; }
.admin-table { background: #fff; border-radius: 8px; padding: 16px; box-shadow: 0 1px 4px rgba(0,0,0,0.08); }

.config-grid { display: grid; grid-template-columns: 120px 1fr; gap: 8px; align-items: center; margin-bottom: 16px; }
.config-grid label { text-align: right; font-weight: 600; color: #555; }
.config-grid input { padding: 8px; border: 1px solid #ddd; border-radius: 4px; }

.task-list { background: #fff; border-radius: 8px; padding: 16px; box-shadow: 0 1px 4px rgba(0,0,0,0.08); }
.task-item { padding: 8px; border-bottom: 1px solid #eee; display: flex; gap: 16px; align-items: center; }
.task-status { padding: 2px 8px; border-radius: 10px; font-size: 12px; }
.task-status.done { background: #d4edda; color: #155724; }
.task-status.failed { background: #f8d7da; color: #721c24; }
.task-status.running { background: #cce5ff; color: #004085; }
.task-status.pending { background: #fff3cd; color: #856404; }