* { margin: 0; padding: 0; box-sizing: border-box; }
:root {
  --primary: #4f46e5;
  --primary-hover: #4338ca;
  --bg: #f8fafc;
  --sidebar-bg: #ffffff;
  --card-bg: #ffffff;
  --text: #1e293b;
  --text-muted: #64748b;
  --border: #e2e8f0;
  --success: #22c55e;
  --warning: #f59e0b;
  --danger: #ef4444;
  --code-bg: #1e293b;
}
body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif; background: var(--bg); color: var(--text); line-height: 1.5; }

/* Login */
.login-container { min-height: 100vh; display: flex; align-items: center; justify-content: center; background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); }
.login-box { background: white; padding: 40px; border-radius: 16px; width: 100%; max-width: 400px; box-shadow: 0 25px 50px -12px rgba(0,0,0,0.25); }
.login-box h2 { margin: 20px 0; font-size: 1.5rem; }
.logo { display: flex; align-items: center; gap: 10px; font-size: 1.25rem; font-weight: 600; color: var(--primary); }
.error-text { color: var(--danger); font-size: 0.875rem; margin-top: 10px; }

/* Layout */
.app-container { display: flex; min-height: 100vh; }
.sidebar { width: 260px; background: var(--sidebar-bg); border-right: 1px solid var(--border); display: flex; flex-direction: column; position: fixed; height: 100vh; }
.sidebar-header { padding: 20px; border-bottom: 1px solid var(--border); }
.sidebar-nav { flex: 1; padding: 12px; }
.nav-item { display: flex; align-items: center; gap: 12px; padding: 12px 16px; border-radius: 8px; color: var(--text-muted); text-decoration: none; transition: all 0.2s; }
.nav-item:hover { background: var(--bg); color: var(--text); }
.nav-item.active { background: var(--primary); color: white; }
.sidebar-footer { padding: 16px; border-top: 1px solid var(--border); }
.main-content { flex: 1; margin-left: 260px; padding: 24px; }

/* Page */
.page { display: none; }
.page.active { display: block; }
.page-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 24px; }
.page-header h1 { font-size: 1.75rem; font-weight: 600; }

/* Buttons */
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 10px 20px; border: none; border-radius: 8px; font-size: 0.875rem; font-weight: 500; cursor: pointer; transition: all 0.2s; }
.btn-primary { background: var(--primary); color: white; }
.btn-primary:hover { background: var(--primary-hover); }
.btn-ghost { background: transparent; color: var(--text-muted); }
.btn-ghost:hover { background: var(--bg); color: var(--text); }
.btn-danger { background: var(--danger); color: white; }
.btn-block { width: 100%; justify-content: center; }
.btn-sm { padding: 6px 12px; font-size: 0.8rem; }
.btn-icon { width: 32px; height: 32px; padding: 0; justify-content: center; border-radius: 6px; background: var(--bg); font-size: 1.25rem; }

/* Forms */
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-size: 0.875rem; font-weight: 500; margin-bottom: 6px; color: var(--text-muted); }
.form-group input, .form-group select, .form-group textarea { width: 100%; padding: 10px 14px; border: 1px solid var(--border); border-radius: 8px; font-size: 0.9rem; transition: border-color 0.2s; }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { outline: none; border-color: var(--primary); }
.form-group textarea { resize: vertical; min-height: 60px; }
.required { color: var(--danger); font-size: 0.75rem; background: #fef2f2; padding: 2px 6px; border-radius: 4px; margin-left: 6px; }
.field-hint { display: block; font-size: 0.75rem; color: var(--text-muted); margin-bottom: 6px; }
.page-desc { font-size: 0.9rem; color: var(--text-muted); margin-top: 4px; }
.hint { font-size: 0.75rem; color: var(--text-muted); margin-left: 8px; }

/* Proxy Key Selector */
.proxy-key-selector { background: var(--card-bg); border: 1px solid var(--border); border-radius: 12px; padding: 16px; margin-bottom: 20px; display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.proxy-key-selector label { font-weight: 500; }
.proxy-key-selector select { min-width: 250px; padding: 8px 12px; border: 1px solid var(--border); border-radius: 6px; }

/* Info Box */
.info-box { background: #f0f9ff; border: 1px solid #bae6fd; border-radius: 12px; padding: 16px 20px; margin-top: 20px; }
.info-box h4 { margin-bottom: 8px; color: #0369a1; }
.info-box ul { margin: 0; padding-left: 20px; font-size: 0.875rem; color: #0c4a6e; }
.info-box li { margin-bottom: 4px; }

/* Response Status */
.response-status { padding: 8px 12px; border-radius: 6px; margin-bottom: 12px; font-size: 0.875rem; display: none; }
.response-status.success { display: block; background: #dcfce7; color: #166534; }
.response-status.error { display: block; background: #fee2e2; color: #991b1b; }
.response-status.loading { display: block; background: #fef3c7; color: #92400e; }

/* Cards & Tables */
.card { background: var(--card-bg); border-radius: 12px; border: 1px solid var(--border); overflow: hidden; }
.data-table { width: 100%; border-collapse: collapse; }
.data-table th, .data-table td { padding: 12px 16px; text-align: left; border-bottom: 1px solid var(--border); }
.data-table th { background: var(--bg); font-weight: 600; font-size: 0.8rem; text-transform: uppercase; color: var(--text-muted); }
.data-table td { font-size: 0.875rem; }
.data-table tr:hover { background: var(--bg); }
.loading { text-align: center; color: var(--text-muted); padding: 40px !important; }

/* Playground */
.playground-container { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.playground-form { background: var(--card-bg); border-radius: 12px; border: 1px solid var(--border); padding: 24px; }
.playground-response { background: var(--card-bg); border-radius: 12px; border: 1px solid var(--border); display: flex; flex-direction: column; }
.endpoint-tabs { display: flex; gap: 8px; margin-bottom: 20px; flex-wrap: wrap; }
.tab-btn { padding: 8px 16px; border: 1px solid var(--border); border-radius: 20px; background: white; cursor: pointer; font-size: 0.875rem; transition: all 0.2s; }
.tab-btn.active { background: var(--primary); color: white; border-color: var(--primary); }
.tab-btn:hover:not(.active) { background: var(--bg); }
.endpoint-form { display: none; }
.endpoint-form.active { display: block; }

/* Advanced Options */
.advanced-options { margin-top: 16px; }
.advanced-options summary { cursor: pointer; font-size: 0.875rem; color: var(--text-muted); padding: 8px 0; }
.options-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin-top: 12px; }
.checkbox-group { display: flex; flex-wrap: wrap; gap: 16px; margin-top: 12px; }
.checkbox-group label { display: flex; align-items: center; gap: 6px; font-size: 0.875rem; color: var(--text-muted); cursor: pointer; }

/* Response Panel */
.response-header { display: flex; justify-content: space-between; align-items: center; padding: 16px 20px; border-bottom: 1px solid var(--border); }
.response-header h3 { font-size: 1rem; }
.response-tabs { display: flex; gap: 4px; }
.resp-tab { padding: 6px 12px; border: none; background: transparent; cursor: pointer; font-size: 0.8rem; border-radius: 6px; }
.resp-tab.active { background: var(--bg); font-weight: 500; }
.response-content { flex: 1; padding: 16px; overflow: auto; max-height: 600px; }
.response-content pre { background: var(--code-bg); color: #e2e8f0; padding: 16px; border-radius: 8px; font-size: 0.8rem; overflow-x: auto; white-space: pre-wrap; word-break: break-word; }
.code-tabs { display: flex; gap: 8px; margin-bottom: 12px; }
.code-tab { padding: 6px 12px; border: 1px solid var(--border); border-radius: 6px; background: white; cursor: pointer; font-size: 0.8rem; }
.code-tab.active { background: var(--code-bg); color: white; border-color: var(--code-bg); }
.copy-btn { position: absolute; top: 8px; right: 8px; }
#code-view { position: relative; }

/* Research Mode */
.research-mode-toggle { display: flex; gap: 8px; margin: 16px 0; }
.mode-btn { padding: 8px 20px; border: 1px solid var(--border); border-radius: 20px; background: white; cursor: pointer; font-size: 0.875rem; }
.mode-btn.active { background: var(--text); color: white; border-color: var(--text); }
.mode-hint { font-size: 0.8rem; color: var(--text-muted); margin-bottom: 16px; }

/* URL Input */
.url-input-group { display: flex; gap: 8px; }
.url-input-group input { flex: 1; }
.url-list { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 8px; }
.url-tag { display: flex; align-items: center; gap: 6px; padding: 4px 10px; background: var(--bg); border-radius: 16px; font-size: 0.8rem; }
.url-tag button { background: none; border: none; cursor: pointer; color: var(--text-muted); }

/* Filters */
.filters-bar { display: flex; gap: 16px; align-items: flex-end; margin-bottom: 20px; flex-wrap: wrap; background: var(--card-bg); padding: 16px; border-radius: 12px; border: 1px solid var(--border); }
.filters-bar .form-group { margin-bottom: 0; min-width: 150px; }
.filters-bar .btn { height: 42px; }

/* Pagination */
.pagination { display: flex; justify-content: center; align-items: center; gap: 16px; margin-top: 20px; }

/* Status Badges */
.badge { display: inline-block; padding: 4px 10px; border-radius: 12px; font-size: 0.75rem; font-weight: 500; }
.badge-success { background: #dcfce7; color: #166534; }
.badge-warning { background: #fef3c7; color: #92400e; }
.badge-danger { background: #fee2e2; color: #991b1b; }

/* Modal */
.modal-overlay { position: fixed; inset: 0; background: rgba(0,0,0,0.5); z-index: 100; display: none; }
.modal-overlay.active { display: block; }
.modal { position: fixed; top: 50%; left: 50%; transform: translate(-50%, -50%); background: white; border-radius: 16px; width: 100%; max-width: 480px; z-index: 101; display: none; }
.modal.active { display: block; }
.modal-lg { max-width: 700px; }
.modal-header { display: flex; justify-content: space-between; align-items: center; padding: 20px; border-bottom: 1px solid var(--border); }
.modal-header h3 { font-size: 1.125rem; }
.modal form, .log-detail { padding: 20px; }
.modal-actions { display: flex; justify-content: flex-end; gap: 12px; margin-top: 20px; }

/* Log Detail */
.log-detail { max-height: 500px; overflow-y: auto; }
.log-detail-row { display: flex; margin-bottom: 12px; }
.log-detail-row label { width: 100px; font-weight: 500; color: var(--text-muted); flex-shrink: 0; }
.log-detail-row .value { flex: 1; word-break: break-word; }
.log-detail pre { background: var(--bg); padding: 12px; border-radius: 8px; font-size: 0.8rem; white-space: pre-wrap; margin-top: 8px; }

/* Logs Table */
.logs-table td { max-width: 200px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.logs-table tr { cursor: pointer; }

/* Responsive */
@media (max-width: 1200px) {
  .playground-container { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .sidebar { display: none; }
  .main-content { margin-left: 0; }
}


/* Settings Page */
.settings-section { margin-bottom: 24px; }
.card-header { padding: 20px; border-bottom: 1px solid var(--border); }
.card-header h3 { margin-bottom: 4px; }
.card-header p { font-size: 0.875rem; color: var(--text-muted); margin: 0; }
.card-body { padding: 20px; }
.checkbox-label { display: flex; align-items: center; gap: 8px; cursor: pointer; font-weight: 500; }
.checkbox-label input { width: auto; margin: 0; }

/* Autocomplete */
.autocomplete-wrapper { position: relative; }
.suggestions-list { position: absolute; top: 100%; left: 0; right: 0; background: white; border: 1px solid var(--border); border-radius: 8px; max-height: 200px; overflow-y: auto; z-index: 10; display: none; box-shadow: 0 4px 12px rgba(0,0,0,0.1); }
.suggestions-list.active { display: block; }
.suggestion-item { padding: 10px 14px; cursor: pointer; font-size: 0.875rem; }
.suggestion-item:hover { background: var(--bg); }

/* Retry Details */
.retry-details { margin-top: 16px; }
.retry-item { display: flex; align-items: center; gap: 12px; padding: 10px; background: var(--bg); border-radius: 8px; margin-bottom: 8px; font-size: 0.875rem; }
.retry-item .attempt { font-weight: 600; color: var(--text-muted); min-width: 60px; }
.retry-item .key-label { flex: 1; }
.retry-item .status { padding: 2px 8px; border-radius: 4px; font-size: 0.75rem; }
.retry-item .status.success { background: #dcfce7; color: #166534; }
.retry-item .status.error { background: #fee2e2; color: #991b1b; }

/* Full Response */
.full-response-section { margin-top: 16px; }
.full-response-toggle { cursor: pointer; color: var(--primary); font-size: 0.875rem; display: flex; align-items: center; gap: 4px; }
.full-response-content { margin-top: 8px; max-height: 400px; overflow: auto; }
.full-response-content pre { font-size: 0.75rem; white-space: pre-wrap; word-break: break-word; }