.method-analysis-tabs {
    display: flex;
    gap: 6px;
    padding: 8px 12px;
    border-bottom: 1px solid #e2e8f0;
    background: #f8fafc;
}
.method-analysis-tab {
    border: 1px solid #cbd5e1;
    border-radius: 999px;
    background: white;
    color: #475569;
    padding: 6px 12px;
    font-size: 12px;
    font-weight: 800;
    cursor: pointer;
}
.method-analysis-tab.active {
    border-color: #2563eb;
    background: #2563eb;
    color: white;
}
.method-analysis-panel {
    display: none;
    overflow: auto;
    padding: 12px;
    gap: 12px;
    background: #f8fafc;
}
.student-chat-panel.method-mode {
    width: min(920px, calc(100vw - 28px));
    height: min(88vh, 860px);
    max-height: calc(100vh - 28px);
}
.student-chat-panel.method-mode .method-analysis-panel { display: grid; }
.student-chat-panel.method-mode > .student-chat-settings,
.student-chat-panel.method-mode > .student-chat-messages,
.student-chat-panel.method-mode > .student-chat-working,
.student-chat-panel.method-mode > .student-chat-error,
.student-chat-panel.method-mode > .student-chat-attachment,
.student-chat-panel.method-mode > .student-chat-composer,
.student-chat-panel.method-mode > .student-chat-drop-overlay { display: none !important; }
.student-chat-panel.method-mode #studentChatSettingsBtn,
.student-chat-panel.method-mode #studentChatClearBtn { display: none; }
.method-analysis-toolbar {
    display: grid;
    grid-template-columns: minmax(280px, 2fr) minmax(145px, 1fr) minmax(170px, 1fr);
    gap: 10px;
    align-items: start;
}
.method-analysis-field {
    display: grid;
    gap: 5px;
    position: relative;
}
.method-analysis-field label {
    margin: 0;
    color: #334155;
    font-size: 12px;
    font-weight: 800;
}
.method-analysis-field input,
.method-analysis-field select,
.method-mapping-role select {
    width: 100%;
    min-height: 38px;
    border: 1px solid #cbd5e1;
    border-radius: 8px;
    background: white;
    color: #1e293b;
    padding: 8px 10px;
    font-size: 13px;
}
.method-analysis-search-results {
    position: absolute;
    z-index: 8;
    top: 67px;
    left: 0;
    right: 0;
    max-height: 260px;
    overflow: auto;
    border: 1px solid #cbd5e1;
    border-radius: 10px;
    background: white;
    box-shadow: 0 14px 35px rgba(15, 23, 42, 0.18);
}
.method-analysis-search-count {
    position: sticky;
    top: 0;
    z-index: 1;
    border-bottom: 1px solid #e2e8f0;
    background: #f8fafc;
    color: #64748b;
    padding: 7px 11px;
    font-size: 11px;
    font-weight: 800;
}
.method-analysis-search-option {
    display: grid;
    width: 100%;
    gap: 2px;
    border: 0;
    border-bottom: 1px solid #f1f5f9;
    background: white;
    padding: 9px 11px;
    text-align: left;
    cursor: pointer;
}
.method-analysis-search-option:hover,
.method-analysis-search-option:focus { background: #eff6ff; }
.method-analysis-search-option-title { color: #0f172a; font-size: 13px; font-weight: 800; }
.method-analysis-search-option-meta { color: #64748b; font-size: 11px; }
.method-analysis-selected {
    min-height: 20px;
    color: #475569;
    font-size: 11px;
}
.method-analysis-badge {
    display: inline-flex;
    align-items: center;
    border-radius: 999px;
    padding: 2px 7px;
    font-size: 10px;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: .04em;
}
.method-analysis-badge.core { color: #1d4ed8; background: #dbeafe; }
.method-analysis-badge.external { color: #7c3aed; background: #ede9fe; }
.method-analysis-badge.passed { color: #166534; background: #dcfce7; }
.method-analysis-badge.failed,
.method-analysis-badge.unsupported { color: #991b1b; background: #fee2e2; }
.method-analysis-card {
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    background: white;
    padding: 12px;
    box-shadow: 0 2px 8px rgba(15, 23, 42, 0.04);
}
.method-analysis-card h3 {
    margin: 0 0 8px;
    color: #1e293b;
    font-size: 14px;
}
.method-analysis-card-heading {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    align-items: start;
}
.method-collapsible-heading {
    align-items: center;
}
.method-analysis-card-actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 7px;
}
.method-collapse-toggle {
    min-width: 52px;
}
.method-analysis-card-heading p,
.method-analysis-note {
    color: #64748b;
    font-size: 11px;
    line-height: 1.45;
}
.method-analysis-info-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 9px;
}
.method-analysis-info-block {
    border: 1px solid #edf2f7;
    border-radius: 8px;
    padding: 9px;
}
.method-analysis-info-block h4 {
    margin: 0 0 5px;
    color: #475569;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: .04em;
}
.method-analysis-info-block ul {
    margin: 0;
    padding-left: 17px;
    color: #334155;
    font-size: 11px;
    line-height: 1.45;
}
.method-analysis-info-block p { margin: 0; color: #334155; font-size: 11px; line-height: 1.45; }
.method-student-guide,
.method-student-result-guide {
    display: grid;
    grid-column: 1 / -1;
    gap: 10px;
    border: 1px solid #bfdbfe;
    border-left: 4px solid #2563eb;
    border-radius: 8px;
    background: #ffffff;
    padding: 11px;
}
.method-student-result-guide {
    margin: 10px 0 12px;
    border-color: #bae6fd;
    border-left-color: #0891b2;
}
.method-student-guide h4,
.method-student-result-guide h4 {
    margin: 0;
    color: #0f172a;
    font-size: 12px;
}
.method-student-summary,
.method-student-report-template {
    margin: 0;
    color: #334155;
    font-size: 12px;
    line-height: 1.5;
}
.method-student-focus-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
    gap: 8px;
}
.method-student-focus {
    display: grid;
    gap: 4px;
    min-width: 0;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    background: #f8fafc;
    padding: 8px;
}
.method-student-focus-primary {
    border-color: #fbbf24;
    background: #fffbeb;
}
.method-student-focus-stage {
    border-color: #93c5fd;
    background: #eff6ff;
}
.method-student-focus span,
.method-student-subheading {
    color: #64748b;
    font-size: 10px;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: .04em;
}
.method-student-focus strong {
    color: #1e293b;
    font-size: 11px;
    line-height: 1.4;
}
.method-student-keywords {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}
.method-student-keyword {
    display: inline-grid;
    gap: 2px;
    max-width: 240px;
    border: 1px solid #cbd5e1;
    border-radius: 6px;
    background: #f8fafc;
    padding: 5px 7px;
}
.method-student-keyword strong {
    color: #0f172a;
    font-size: 10px;
}
.method-student-keyword span {
    color: #475569;
    font-size: 10px;
    line-height: 1.35;
}
.method-student-steps,
.method-student-mistakes {
    margin: 0;
    padding-left: 18px;
    color: #334155;
    font-size: 11px;
    line-height: 1.5;
}
.method-student-emphasis {
    border: 1px solid #fde68a;
    border-radius: 8px;
    background: #fffbeb;
    color: #713f12;
    padding: 8px;
    font-size: 11px;
    line-height: 1.45;
}
.method-student-arima-summary .method-analysis-result-summary-item em {
    margin-top: 3px;
    color: #64748b;
    font-size: 10px;
    font-style: normal;
    line-height: 1.35;
}
.method-arima-reading-flow {
    display: grid;
    gap: 7px;
}
.method-arima-reading-step {
    display: grid;
    grid-template-columns: 155px minmax(0, 1fr);
    gap: 8px;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    background: #f8fafc;
    padding: 8px;
}
.method-arima-reading-step strong {
    color: #0f172a;
    font-size: 11px;
}
.method-arima-reading-step span {
    color: #334155;
    font-size: 11px;
    line-height: 1.45;
}
.method-arima-readable-section {
    display: grid;
    gap: 8px;
    margin-top: 10px;
    border-top: 1px solid #dbeafe;
    padding-top: 10px;
}
.method-arima-readable-section h4 {
    margin: 0;
    color: #334155;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: .04em;
}
.method-arima-keyword-link {
    margin-top: 2px;
    color: #2563eb;
    font-size: 10px;
    font-weight: 900;
}
.method-arima-verdict {
    margin: 0;
    border-left: 3px solid #38bdf8;
    background: #f0f9ff;
    color: #0f172a;
    padding: 7px 9px;
    font-size: 11px;
    line-height: 1.45;
}
.method-demo-download {
    display: inline-flex;
    align-items: center;
    text-decoration: none;
}
.method-demo-brief {
    display: grid;
    gap: 10px;
}
.method-demo-summary {
    display: grid;
    gap: 7px;
    color: #334155;
    font-size: 12px;
    line-height: 1.45;
}
.method-demo-summary h4,
.method-demo-block h4 {
    margin: 0;
    color: #0f172a;
    font-size: 13px;
}
.method-demo-question {
    margin: 0;
    color: #1e3a8a;
    font-size: 13px;
    font-weight: 800;
}
.method-demo-line {
    display: grid;
    grid-template-columns: 130px minmax(0, 1fr);
    gap: 8px;
}
.method-demo-line strong {
    color: #475569;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: .04em;
}
.method-demo-line span { overflow-wrap: anywhere; }
.method-demo-block {
    display: grid;
    gap: 7px;
    border-top: 1px solid #e2e8f0;
    padding-top: 10px;
}
.method-demo-block ul {
    margin: 0;
    padding-left: 17px;
    color: #334155;
    font-size: 11px;
    line-height: 1.45;
}
.method-demo-variable-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(185px, 1fr));
    gap: 7px;
}
.method-demo-variable {
    display: grid;
    gap: 5px;
    min-width: 0;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    padding: 8px;
    color: #334155;
    font-size: 10px;
    line-height: 1.4;
}
.method-demo-variable strong {
    overflow-wrap: anywhere;
    color: #0f172a;
    font-size: 11px;
}
.method-demo-variable p { margin: 0; }
.method-demo-role {
    width: max-content;
    max-width: 100%;
    border-radius: 999px;
    background: #ecfeff;
    color: #155e75;
    padding: 2px 7px;
    overflow-wrap: anywhere;
    font-size: 10px;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: .04em;
}
.method-data-preview-window {
    width: 100%;
    min-width: 260px;
    min-height: 160px;
    max-width: 100%;
    max-height: min(70vh, 620px);
    overflow: auto;
    resize: both;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    background: white;
}
.method-data-preview-table {
    margin: 0;
    width: max-content;
    min-width: 100%;
    border-collapse: separate;
    border-spacing: 0;
}
.method-data-preview-table th,
.method-data-preview-table td {
    min-width: 118px;
    max-width: 260px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    text-align: left;
}
.method-data-preview-table th {
    position: sticky;
    top: 0;
    z-index: 1;
}
.method-data-preview-table th:first-child,
.method-data-preview-table td:first-child {
    position: sticky;
    left: 0;
    z-index: 1;
    background: #f8fafc;
}
.method-data-preview-table td:first-child {
    background: white;
}
.method-data-preview-table th:first-child {
    z-index: 2;
}
.method-analysis-status {
    display: none;
    border-radius: 8px;
    padding: 8px 10px;
    font-size: 12px;
}
.method-analysis-status.visible { display: block; }
.method-analysis-status.info { color: #1e40af; background: #eff6ff; }
.method-analysis-status.error { color: #991b1b; background: #fef2f2; }
.method-analysis-status.success { color: #166534; background: #f0fdf4; }
.method-dataset-summary {
    display: flex;
    flex-wrap: wrap;
    gap: 6px 12px;
    margin: 10px 0;
    color: #334155;
    font-size: 11px;
}
.method-dataset-columns {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 7px;
}
.method-dataset-column {
    min-width: 0;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    padding: 8px;
    color: #334155;
    font-size: 10px;
}
.method-dataset-column-name {
    overflow-wrap: anywhere;
    color: #0f172a;
    font-size: 11px;
    font-weight: 800;
}
.method-dataset-samples {
    margin-top: 4px;
    overflow-wrap: anywhere;
    color: #64748b;
}
.method-mapping-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
    gap: 8px;
}
.method-mapping-role {
    display: grid;
    gap: 4px;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    padding: 8px;
}
.method-mapping-role label {
    margin: 0;
    color: #334155;
    font-size: 11px;
    font-weight: 800;
}
.method-analysis-inline-heading,
.method-analysis-mini-heading {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    min-width: 0;
}
.method-analysis-inline-heading > *:first-child,
.method-analysis-mini-heading > *:first-child {
    min-width: 0;
}
.method-mapping-role .required { color: #b91c1c; }
.method-mapping-role small { color: #64748b; font-size: 10px; }
.method-mapping-role select[multiple] { min-height: 92px; padding-right: 8px; }
.method-mapping-checklist {
    display: grid;
    gap: 3px;
    max-height: 150px;
    overflow: auto;
    border: 1px solid #cbd5e1;
    border-radius: 8px;
    background: white;
    padding: 6px;
}
.method-mapping-checkitem {
    display: grid;
    grid-template-columns: 16px minmax(0, 1fr) auto;
    align-items: center;
    gap: 6px;
    margin: 0;
    border-radius: 6px;
    padding: 4px 5px;
    color: #1e293b;
    font-size: 11px;
    font-weight: 600;
    cursor: pointer;
}
.method-mapping-checkitem:hover { background: #eff6ff; }
.method-mapping-checkitem input { margin: 0; }
.method-mapping-checkname {
    min-width: 0;
    overflow-wrap: anywhere;
}
.method-mapping-checktype {
    color: #64748b;
    font-size: 10px;
    font-weight: 700;
}
.method-analysis-validation,
.method-analysis-run-result {
    margin-top: 9px;
    color: #334155;
    font-size: 11px;
    line-height: 1.5;
    white-space: pre-wrap;
    overflow-wrap: anywhere;
}
.method-analysis-action-card {
    display: grid;
    grid-template-columns: auto 1fr;
    align-items: center;
    gap: 10px;
}
.method-analysis-action-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 7px;
}
.method-analysis-run-result { grid-column: 1 / -1; }
.method-analysis-primary,
.method-analysis-secondary {
    border: 0;
    border-radius: 999px;
    min-height: 18px;
    padding: 1px 9px;
    font-size: 10px;
    font-weight: 800;
    line-height: 1.2;
    cursor: pointer;
}
.method-analysis-primary { background: #2563eb; color: white; }
.method-analysis-primary:disabled { background: #94a3b8; cursor: default; }
.method-analysis-secondary { border: 1px solid #cbd5e1; background: white; color: #475569; }
.method-context-ask-overlay {
    position: fixed;
    inset: 0;
    z-index: 1200;
    display: grid;
    place-items: center;
    padding: 16px;
    background: rgba(15, 23, 42, 0.28);
}
.method-context-ask-overlay[hidden] { display: none; }
.method-context-ask-panel {
    display: grid;
    gap: 10px;
    width: min(520px, calc(100vw - 32px));
    border: 1px solid #cbd5e1;
    border-radius: 10px;
    background: white;
    padding: 14px;
    box-shadow: 0 22px 55px rgba(15, 23, 42, 0.22);
}
.method-context-ask-heading {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
}
.method-context-ask-heading h4 {
    margin: 0;
    color: #0f172a;
    font-size: 15px;
}
.method-context-ask-close {
    border: 1px solid #cbd5e1;
    border-radius: 8px;
    background: white;
    color: #475569;
    padding: 5px 9px;
    font-size: 11px;
    font-weight: 800;
    cursor: pointer;
}
.method-context-ask-close:hover { background: #f8fafc; }
.method-context-ask-label {
    color: #334155;
    font-size: 12px;
    font-weight: 800;
}
.method-context-ask-input {
    width: 100%;
    min-height: 112px;
    resize: vertical;
    border: 1px solid #cbd5e1;
    border-radius: 8px;
    color: #0f172a;
    padding: 9px 10px;
    font: inherit;
    font-size: 13px;
    line-height: 1.45;
}
.method-context-ask-input:focus {
    outline: 2px solid #bfdbfe;
    border-color: #2563eb;
}
.method-context-ask-actions {
    display: flex;
    justify-content: flex-end;
    gap: 8px;
}
.method-context-ask-actions .method-analysis-primary,
.method-context-ask-actions .method-analysis-secondary {
    min-height: 34px;
    border-radius: 8px;
    padding: 7px 13px;
    font-size: 12px;
}
.method-analysis-explain-btn {
    margin-top: 9px;
    width: max-content;
}
.method-analysis-compact-button {
    min-height: 18px;
    padding: 1px 9px;
}
.method-ask-inline {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 8px;
}
.method-ask-inline-body {
    min-width: 0;
    flex: 1 1 auto;
}
.method-ask-button {
    flex: 0 0 auto;
    border: 1px solid #cbd5e1;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.98);
    color: #475569;
    min-width: 18px;
    min-height: 18px;
    padding: 0 5px;
    font-size: 9px;
    font-weight: 800;
    line-height: 1.15;
    cursor: pointer;
    white-space: nowrap;
    opacity: 0.92;
    text-align: center;
}
.method-ask-button:hover {
    border-color: #93c5fd;
    color: #1d4ed8;
    background: #eff6ff;
}
.method-ask-button-subtle {
    min-height: 18px;
    min-width: 18px;
    padding: 0 5px;
}
.method-ask-inline-button {
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.16s ease;
}
.method-ask-inline:hover .method-ask-inline-button,
.method-ask-inline:focus-within .method-ask-inline-button,
.method-analysis-result-section:hover > .method-analysis-inline-heading .method-ask-button,
.method-analysis-result-section:focus-within > .method-analysis-inline-heading .method-ask-button {
    opacity: 1;
    pointer-events: auto;
}
.method-analysis-result-section > .method-analysis-inline-heading .method-ask-button {
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.16s ease;
}
.method-analysis-code {
    margin-top: 7px;
    max-height: 145px;
    overflow: auto;
    border-radius: 8px;
    background: #0f172a;
    color: #e2e8f0;
    padding: 9px;
    white-space: pre-wrap;
    font: 10px/1.45 ui-monospace, SFMono-Regular, Menlo, monospace;
}
.method-code-panel {
    grid-column: 1 / -1;
    display: grid;
    gap: 8px;
    min-width: 0;
    border-top: 1px solid #e2e8f0;
    padding-top: 10px;
}
.method-code-panel[hidden] { display: none; }
.method-code-header {
    display: flex;
    justify-content: space-between;
    align-items: start;
    gap: 10px;
}
.method-code-header h3 {
    margin-bottom: 3px;
}
.method-code-selection-btn {
    flex: 0 0 auto;
}
.method-code-selection-btn:disabled {
    color: #94a3b8;
    cursor: default;
}
.method-code-block {
    min-height: 220px;
    max-height: 360px;
    overflow: auto;
    margin: 0;
    border-radius: 8px;
    background: #111827;
    color: #e5e7eb;
    padding: 10px 12px;
    white-space: pre;
    tab-size: 4;
    user-select: text;
    font: 11px/1.5 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}
.method-code-block::selection {
    background: #bfdbfe;
    color: #0f172a;
}
.method-analysis-result-table {
    width: 100%;
    margin: 8px 0;
    border-collapse: collapse;
    font-size: 10px;
}
.method-analysis-result-table th,
.method-analysis-result-table td {
    border: 1px solid #e2e8f0;
    padding: 5px 6px;
    text-align: right;
}
.method-analysis-row-ask-header,
.method-analysis-row-ask-cell {
    width: 24px;
    min-width: 24px;
    text-align: center !important;
    padding: 3px 2px !important;
}
.method-analysis-row-ask-header {
    color: transparent;
}
.method-analysis-row-ask-cell .method-ask-button {
    opacity: 0.38;
}
.method-analysis-result-table tbody tr:hover .method-analysis-row-ask-cell .method-ask-button,
.method-analysis-result-table tbody tr:focus-within .method-analysis-row-ask-cell .method-ask-button {
    opacity: 1;
}
.method-analysis-result-table th:first-child,
.method-analysis-result-table td:first-child { text-align: left; }
.method-analysis-result-table th { background: #f8fafc; color: #475569; }
.method-analysis-result-section {
    margin-top: 9px;
    border-top: 1px solid #e2e8f0;
    padding-top: 8px;
}
.method-analysis-result-section h4 {
    margin: 0 0 6px;
    color: #475569;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: .04em;
}
.method-analysis-result-section > .method-analysis-inline-heading h4 {
    margin-bottom: 0;
}
.method-analysis-result-section p { margin: 0; }
.method-analysis-result-section ul {
    margin: 0;
    padding-left: 17px;
}
.method-analysis-result-summary {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
    gap: 6px;
}
.method-analysis-result-summary-item {
    min-width: 0;
    border: 1px solid #edf2f7;
    border-radius: 8px;
    padding: 6px;
}
.method-analysis-result-summary-item span,
.method-analysis-result-summary-item strong {
    display: block;
    overflow-wrap: anywhere;
}
.method-analysis-result-summary-item span {
    color: #64748b;
    font-size: 10px;
}
.method-analysis-result-summary-item strong {
    margin-top: 2px;
    color: #0f172a;
    font-size: 11px;
}
@media (max-width: 700px) {
    .method-analysis-toolbar,
    .method-analysis-info-grid { grid-template-columns: 1fr; }
    .method-arima-reading-step { grid-template-columns: 1fr; }
    .method-demo-line { grid-template-columns: 1fr; }
    .method-analysis-action-card { grid-template-columns: 1fr; }
    .student-chat-panel.method-mode { width: auto; height: auto; }
}