* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fa;
    --bg-hover: #e9ecef;
    --bg-selected: #d3e4f4;
    --border-color: #dee2e6;
    --text-primary: #212529;
    --text-secondary: #6c757d;
    --accent-color: #0d6efd;
    --accent-dark: #0a58ca;
    --success: #198754;
    --warning: #b58105;
    --danger: #dc3545;
    --toolbar-bg: #343a40;
    --toolbar-text: #ffffff;
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    font-size: 14px;
    color: var(--text-primary);
    background: var(--bg-secondary);
    overflow: hidden;
}

.app-container {
    display: flex;
    flex-direction: column;
    height: 100vh;
}

.toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--toolbar-bg);
    color: var(--toolbar-text);
    padding: 8px 16px;
    border-bottom: 1px solid #495057;
    box-shadow: var(--shadow);
    min-height: 48px;
}

.toolbar-left,
.run-selector {
    display: flex;
    align-items: center;
    gap: 12px;
}

.app-title {
    font-size: 16px;
    font-weight: 600;
    margin: 0;
    white-space: nowrap;
}

.toolbar select,
.toolbar input {
    padding: 6px 10px;
    border: 1px solid #495057;
    border-radius: 4px;
    background: #495057;
    color: var(--toolbar-text);
    font-size: 13px;
}

.toolbar input {
    width: 260px;
}

.toolbar input::placeholder {
    color: #adb5bd;
}

.toolbar-btn,
.toolbar-link {
    background: transparent;
    border: 1px solid #6c757d;
    color: var(--toolbar-text);
    padding: 6px 10px;
    border-radius: 4px;
    cursor: pointer;
    text-decoration: none;
    font-size: 13px;
}

.toolbar-btn:hover,
.toolbar-link:hover {
    background: #495057;
}

.status-pill {
    display: inline-flex;
    align-items: center;
    min-width: 72px;
    justify-content: center;
    padding: 4px 8px;
    border: 1px solid #6c757d;
    border-radius: 999px;
    font-size: 12px;
    color: #ced4da;
}

.status-pill.warning {
    border-color: var(--warning);
    color: #7a5700;
    background: #fff8e6;
}

.activity-bar {
    display: grid;
    grid-template-columns: 24px 1fr 220px;
    gap: 12px;
    align-items: center;
    min-height: 44px;
    padding: 8px 16px;
    background: #fff8e6;
    border-bottom: 1px solid #ead9a1;
    color: var(--text-primary);
}

.activity-bar[hidden] {
    display: none;
}

.activity-spinner,
.inline-spinner {
    width: 18px;
    height: 18px;
    border: 2px solid #d8c783;
    border-top-color: var(--warning);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

.activity-content {
    display: flex;
    gap: 8px;
    align-items: baseline;
    min-width: 0;
}

#activity-title {
    font-weight: 700;
}

#activity-detail {
    color: var(--text-secondary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.activity-progress {
    height: 6px;
    overflow: hidden;
    border-radius: 999px;
    background: #eadfb9;
}

.activity-progress-fill {
    width: 42%;
    height: 100%;
    border-radius: 999px;
    background: var(--warning);
    animation: indeterminate 1.2s ease-in-out infinite;
}

.stage-shell {
    display: grid;
    grid-template-rows: auto auto minmax(0, 1fr);
    flex: 1;
    min-height: 0;
    overflow: hidden;
    background: var(--bg-primary);
}

.stage-nav {
    display: flex;
    gap: 2px;
    overflow-x: auto;
    border-bottom: 1px solid var(--border-color);
    background: #ffffff;
    padding: 0 12px;
}

.stage-tab {
    flex: 0 0 auto;
    min-height: 42px;
    padding: 0 12px;
    border: 0;
    border-bottom: 3px solid transparent;
    background: transparent;
    color: var(--text-secondary);
    font: inherit;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
}

.stage-tab:hover {
    background: var(--bg-hover);
}

.stage-tab.active {
    border-bottom-color: var(--accent-color);
    color: var(--accent-dark);
    background: #f3f8ff;
}

.stage-tab.done {
    color: var(--success);
}

.workflow-status {
    display: flex;
    gap: 8px;
    align-items: center;
    min-height: 40px;
    padding: 8px 16px;
    border-bottom: 1px solid var(--border-color);
    background: var(--bg-secondary);
}

.workflow-status .status-pill {
    color: var(--text-secondary);
    background: #ffffff;
    border-color: var(--border-color);
}

.stage-panel {
    display: none;
    min-height: 0;
    overflow-y: auto;
    background: #ffffff;
}

.stage-panel.active {
    display: block;
}

.setup-grid {
    display: grid;
    grid-template-columns: minmax(360px, 1.3fr) minmax(280px, 0.7fr);
    gap: 24px;
    align-items: start;
}

.pane-header,
.panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
}

.pane-header h2,
.panel-header h3 {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
}

.pane-header button,
.view-options button {
    background: transparent;
    border: 1px solid var(--border-color);
    padding: 5px 9px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 13px;
    color: var(--text-primary);
}

.pane-header button:hover,
.view-options button:hover {
    background: var(--bg-hover);
}

.pane-header button:disabled,
.view-options button:disabled,
button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.pane-body {
    flex: 1;
    overflow-y: auto;
    padding: 14px 16px;
}

.field-label {
    display: block;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
    margin: 12px 0 6px;
}

.required-indicator {
    color: var(--danger);
    font-size: 14px;
    font-weight: 700;
    margin-left: 3px;
}

textarea,
input,
select {
    width: 100%;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 8px 10px;
    font: inherit;
    color: var(--text-primary);
    background: var(--bg-primary);
}

textarea {
    resize: vertical;
    min-height: 72px;
}

.field-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

.checkbox-group {
    display: grid;
    grid-template-columns: 1fr;
    gap: 6px;
    margin-top: 12px;
    padding: 10px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background: var(--bg-secondary);
}

.checkbox-group label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
}

.checkbox-group input,
.select-col input {
    width: auto;
}

.action-stack {
    display: grid;
    gap: 8px;
    margin-top: 16px;
    position: sticky;
    bottom: 0;
    padding: 10px 0 0;
    background: var(--bg-primary);
}

.primary-btn,
.secondary-btn {
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 8px 12px;
    font-weight: 600;
    cursor: pointer;
}

.primary-btn {
    background: var(--accent-color);
    border-color: var(--accent-color);
    color: #ffffff;
}

.primary-btn:hover {
    background: var(--accent-dark);
}

.secondary-btn {
    background: #ffffff;
    color: var(--text-primary);
}

.secondary-btn:hover {
    background: var(--bg-hover);
}

.summary-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
    border-bottom: 1px solid var(--border-color);
}

.workflow-metrics {
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
}

.run-progress-panel {
    display: flex;
    gap: 10px;
    align-items: center;
    padding: 10px 16px;
    border-bottom: 1px solid var(--border-color);
    background: #fffdf7;
}

.run-progress-panel[hidden] {
    display: none;
}

.run-progress-title {
    font-weight: 700;
    margin-bottom: 2px;
}

.run-progress-detail {
    color: var(--text-secondary);
    font-size: 12px;
}

.metric {
    padding: 12px 16px;
    border-right: 1px solid var(--border-color);
    background: var(--bg-primary);
}

.metric-label {
    display: block;
    color: var(--text-secondary);
    font-size: 12px;
    margin-bottom: 4px;
}

.metric-value {
    font-weight: 600;
    font-size: 15px;
    overflow-wrap: anywhere;
}

.panel {
    border-bottom: 1px solid var(--border-color);
}

.advanced-drawer {
    margin: 12px 16px 16px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background: var(--bg-secondary);
}

.advanced-drawer[hidden] {
    display: none;
}

.advanced-drawer summary {
    cursor: pointer;
    padding: 10px 12px;
    font-weight: 600;
}

.advanced-drawer textarea {
    min-height: 280px;
    margin: 0 12px 12px;
    width: calc(100% - 24px);
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
    font-size: 12px;
}

.advanced-drawer button {
    margin: 0 12px 12px;
}

.question-list,
.plan-list,
.diagnostics-list {
    padding: 12px 16px;
    max-height: 160px;
    overflow-y: auto;
}

.question-item,
.plan-item,
.diagnostic-item {
    padding: 8px 0;
    border-bottom: 1px solid #edf0f2;
}

.question-item,
.plan-item {
    display: grid;
    grid-template-columns: 56px minmax(0, 1fr);
    gap: 10px;
    align-items: start;
}

.question-item:last-child,
.plan-item:last-child,
.diagnostic-item:last-child {
    border-bottom: 0;
}

.item-label {
    display: inline-block;
    min-width: 56px;
    color: var(--text-secondary);
    font-size: 12px;
    font-weight: 600;
}

.review-editor {
    width: 100%;
    min-width: 0;
    font-size: 13px;
}

.review-row {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 8px;
    align-items: start;
}

.remove-review-item {
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background: #ffffff;
    color: var(--danger);
    font-size: 12px;
    font-weight: 600;
    padding: 6px 8px;
    cursor: pointer;
}

.question-editor {
    min-height: 54px;
}

.plan-edit-block {
    display: grid;
    gap: 8px;
}

.concept-editor-list {
    display: grid;
    gap: 6px;
}

.concept-editor {
    display: grid;
    grid-template-columns: minmax(100px, 140px) minmax(0, 1fr);
    gap: 8px;
    align-items: center;
    color: var(--text-secondary);
    font-size: 12px;
}

.empty-state,
.detail-empty {
    color: var(--text-secondary);
    font-size: 13px;
}

.candidates-panel {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 0;
}

.candidate-controls {
    display: grid;
    grid-template-columns: repeat(7, minmax(120px, 1fr));
    gap: 8px;
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-color);
    background: var(--bg-secondary);
}

.candidate-controls input,
.candidate-controls select {
    min-width: 0;
    font-size: 12px;
    padding: 7px 8px;
}

.table-container {
    flex: 1;
    overflow: auto;
}

.candidates-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}

.candidates-table th {
    position: sticky;
    top: 0;
    z-index: 1;
    background: var(--bg-secondary);
    color: var(--text-secondary);
    font-weight: 600;
    text-align: left;
    padding: 9px 10px;
    border-bottom: 1px solid var(--border-color);
}

.candidates-table td {
    padding: 9px 10px;
    border-bottom: 1px solid #edf0f2;
    vertical-align: top;
}

.candidates-table tr:hover {
    background: var(--bg-hover);
}

.candidates-table tr.selected {
    background: var(--bg-selected);
}

.candidate-reason-row td {
    background: #fbfcfd;
    color: var(--text-secondary);
    line-height: 1.45;
}

.candidate-reason-row p {
    margin-top: 4px;
}

.criteria-list {
    display: grid;
    gap: 8px;
    margin-top: 10px;
}

.criteria-list h4 {
    margin: 0;
    color: var(--text-secondary);
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
}

.criteria-row {
    display: grid;
    grid-template-columns: minmax(150px, 0.8fr) 90px minmax(220px, 1.4fr);
    gap: 10px;
    align-items: start;
    padding: 8px 0;
    border-top: 1px solid var(--border-color);
}

.criteria-row p {
    margin: 0;
    color: var(--text-secondary);
}

.reason-toggle {
    float: right;
    margin-left: 8px;
    padding: 3px 7px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background: #ffffff;
    color: var(--text-secondary);
    font-size: 12px;
    cursor: pointer;
}

.reason-toggle:hover {
    background: var(--bg-hover);
}

.select-col {
    width: 32px;
}

.candidate-title {
    font-weight: 600;
    color: var(--text-primary);
}

.candidate-meta {
    margin-top: 3px;
    color: var(--text-secondary);
    font-size: 12px;
}

.subtle-text {
    color: var(--text-secondary);
    font-size: 12px;
}

.event-list {
    margin-top: 12px;
    border-top: 1px solid var(--border-color);
}

.event-row {
    display: grid;
    grid-template-columns: 1.4fr 0.8fr 1.6fr;
    gap: 8px;
    padding: 7px 0;
    border-bottom: 1px solid #edf0f2;
    color: var(--text-secondary);
    font-size: 12px;
}

.events-modal {
    position: fixed;
    inset: 0;
    z-index: 20;
    display: grid;
    place-items: center;
    padding: 24px;
    background: rgba(33, 37, 41, 0.35);
}

.events-modal[hidden] {
    display: none;
}

.events-modal-content {
    width: min(900px, 100%);
    max-height: min(760px, calc(100vh - 48px));
    overflow: auto;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background: #ffffff;
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.18);
    padding: 16px;
}

#events-modal-close {
    float: right;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background: #ffffff;
    padding: 5px 9px;
    cursor: pointer;
}

#events-modal-body h3 {
    margin: 8px 0;
    font-size: 14px;
}

.status-ok {
    color: var(--success);
    font-weight: 600;
}

.status-error {
    color: var(--danger);
    font-weight: 600;
}

.status-warn {
    color: var(--warning);
    font-weight: 600;
}

.diagnostic-row {
    display: grid;
    grid-template-columns: 120px 90px 1fr;
    gap: 10px;
    align-items: start;
}

.diagnostic-source {
    font-weight: 600;
}

.diagnostic-message {
    color: var(--text-secondary);
    overflow-wrap: anywhere;
}

.plan-warning {
    display: block;
    margin-bottom: 8px;
    color: var(--warning);
    font-weight: 600;
}

.detail-title {
    font-size: 16px;
    font-weight: 600;
    line-height: 1.35;
    margin-bottom: 8px;
}

.detail-meta {
    color: var(--text-secondary);
    line-height: 1.5;
    margin-bottom: 12px;
}

.detail-section {
    margin-top: 14px;
    padding-top: 12px;
    border-top: 1px solid var(--border-color);
}

.detail-section h3,
.screening-panel h3 {
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 8px;
}

.abstract-text {
    line-height: 1.5;
    max-height: 280px;
    overflow-y: auto;
}

.detail-actions {
    display: grid;
    gap: 8px;
    margin-top: 14px;
}

.screening-panel {
    margin-top: 16px;
    padding-top: 12px;
    border-top: 1px solid var(--border-color);
}

.screening-summary-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(120px, 1fr));
    gap: 1px;
    margin: 12px 16px;
    background: var(--border-color);
    border: 1px solid var(--border-color);
}

.screening-summary-grid > div {
    background: #ffffff;
    padding: 10px 12px;
}

.screening-summary-grid span {
    display: block;
    color: var(--text-secondary);
    font-size: 12px;
    margin-bottom: 4px;
}

.screening-summary-grid strong {
    color: var(--text-primary);
    font-size: 15px;
    font-weight: 600;
}

.vault-evidence-grid {
    display: grid;
    grid-template-columns: minmax(76px, 0.9fr) minmax(0, 1.1fr);
    gap: 6px 10px;
    color: var(--text-secondary);
    font-size: 12px;
    line-height: 1.35;
}

.vault-evidence-grid strong {
    color: var(--text-primary);
    font-weight: 600;
    overflow-wrap: anywhere;
}

.status-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 28px;
    padding: 0 16px;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-size: 12px;
}

.no-items td {
    color: var(--text-secondary);
    text-align: center;
    padding: 24px;
}

@media (max-width: 1100px) {
    .toolbar {
        gap: 10px;
        align-items: stretch;
    }

    .toolbar-left {
        min-width: 0;
    }

    .setup-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .candidate-controls {
        grid-template-columns: repeat(3, minmax(120px, 1fr));
    }

    .screening-summary-grid {
        grid-template-columns: repeat(2, minmax(140px, 1fr));
    }
}

@media (max-width: 760px) {
    body {
        overflow: auto;
    }

    .app-container {
        min-height: 100vh;
        height: auto;
    }

    .toolbar {
        flex-direction: column;
        align-items: stretch;
    }

    .toolbar-left {
        flex-wrap: wrap;
    }

    .activity-bar {
        grid-template-columns: 24px 1fr;
    }

    .screening-summary-grid {
        grid-template-columns: 1fr;
    }

    .activity-progress {
        grid-column: 1 / -1;
    }

    .stage-shell {
        overflow: visible;
    }

    .workflow-status,
    .pane-header {
        flex-wrap: wrap;
    }

    .candidate-controls {
        grid-template-columns: 1fr 1fr;
    }

    .event-row,
    .diagnostic-row,
    .criteria-row {
        grid-template-columns: 1fr;
    }
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

@keyframes indeterminate {
    0% {
        transform: translateX(-120%);
    }
    100% {
        transform: translateX(260%);
    }
}