/* ===========================
   Approval Component Styles
   =========================== */

/* Approval Flow Container */
.approval-flow {
    margin-bottom: var(--spacing-lg);
}

.approval-header {
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-md);
    background: var(--color-light-gray);
    border-radius: var(--radius-md);
}

.approval-info h4 {
    margin: 0 0 var(--spacing-sm) 0;
    color: var(--color-dark-gray);
    font-size: 16px;
}

.approval-meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    font-size: 13px;
    color: var(--color-text);
}

.approval-meta span {
    display: flex;
    align-items: center;
    gap: 6px;
}

.approval-meta i {
    color: var(--color-text-light);
}

/* Approval Stages */
.approval-stages {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    position: relative;
}

.approval-stage {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    position: relative;
}

.stage-number {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--color-medium-gray);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 16px;
    flex-shrink: 0;
    z-index: 2;
}

.approval-stage.pending .stage-number {
    background: var(--color-warning);
    animation: pulse 2s infinite;
}

.approval-stage.approved .stage-number {
    background: var(--color-success);
}

.approval-stage.rejected .stage-number {
    background: var(--color-danger);
}

.approval-stage.returned .stage-number {
    background: var(--color-info);
}

@keyframes pulse {
    0%, 100% {
        box-shadow: 0 0 0 0 rgba(255, 193, 7, 0.7);
    }
    50% {
        box-shadow: 0 0 0 10px rgba(255, 193, 7, 0);
    }
}

.stage-content {
    flex: 1;
    background: white;
    border: 1px solid var(--color-light-gray);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
}

.approval-stage.pending .stage-content {
    border-color: var(--color-warning);
    background: #fffbf0;
}

.approval-stage.approved .stage-content {
    border-color: var(--color-success);
    background: #f0f9f4;
}

.approval-stage.rejected .stage-content {
    border-color: var(--color-danger);
    background: #fef2f2;
}

.approval-stage.returned .stage-content {
    border-color: var(--color-info);
    background: #f0f9ff;
}

.stage-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-sm);
}

.stage-title {
    font-weight: 600;
    font-size: 14px;
    color: var(--color-dark-gray);
}

.stage-status {
    display: flex;
    align-items: center;
}

.stage-details {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-top: var(--spacing-sm);
    padding-top: var(--spacing-sm);
    border-top: 1px solid var(--color-light-gray);
}

.stage-detail-row {
    display: flex;
    font-size: 13px;
}

.stage-detail-row .label {
    min-width: 80px;
    color: var(--color-text-light);
    font-weight: 500;
}

.stage-detail-row .value {
    color: var(--color-text);
    flex: 1;
}

.stage-connector {
    position: absolute;
    left: 19px;
    top: 40px;
    bottom: -16px;
    width: 2px;
    background: var(--color-light-gray);
    z-index: 1;
}

.approval-stage:last-child .stage-connector {
    display: none;
}

/* Approval History */
.approval-history {
    margin-top: var(--spacing-lg);
}

.approval-history h4 {
    margin: 0 0 var(--spacing-md) 0;
    color: var(--color-dark-gray);
    font-size: 16px;
}

.history-timeline {
    position: relative;
    padding-left: 30px;
}

.history-timeline::before {
    content: '';
    position: absolute;
    left: 6px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--color-light-gray);
}

.history-item {
    position: relative;
    padding-bottom: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.history-item:last-child {
    padding-bottom: 0;
    margin-bottom: 0;
}

.history-marker {
    position: absolute;
    left: -27px;
    top: 6px;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--color-primary);
    border: 3px solid white;
    box-shadow: 0 0 0 2px var(--color-light-gray);
}

.history-content {
    background: white;
    border: 1px solid var(--color-light-gray);
    border-radius: var(--radius-md);
    padding: var(--spacing-sm);
}

.history-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-xs);
}

.history-action {
    font-weight: 600;
    font-size: 13px;
    color: var(--color-dark-gray);
}

.history-time {
    font-size: 12px;
    color: var(--color-text-light);
}

.history-details {
    font-size: 13px;
    color: var(--color-text);
}

.history-details > div {
    margin-bottom: 4px;
}

.history-details > div:last-child {
    margin-bottom: 0;
}

.history-details strong {
    color: var(--color-text-light);
    font-weight: 500;
    margin-right: 6px;
}

/* Approval Action Form */
.approval-action-form {
    margin-top: var(--spacing-lg);
    padding: var(--spacing-md);
    background: var(--color-light-gray);
    border-radius: var(--radius-md);
}

.approval-action-form h4 {
    margin: 0 0 var(--spacing-md) 0;
    color: var(--color-dark-gray);
    font-size: 16px;
}

.approval-divider {
    height: 1px;
    background: var(--color-light-gray);
    margin: var(--spacing-lg) 0;
}

.approval-empty {
    text-align: center;
    padding: var(--spacing-xl);
    color: var(--color-text-light);
    font-size: 14px;
}

.approval-modal-content {
    max-height: 70vh;
    overflow-y: auto;
}

/* Modal Footer Button Icons */
.modal-footer .btn i {
    margin-right: 6px;
}

/* Responsive */
@media (max-width: 768px) {
    .approval-meta {
        flex-direction: column;
        gap: var(--spacing-xs);
    }

    .stage-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-xs);
    }

    .history-timeline {
        padding-left: 20px;
    }

    .history-marker {
        left: -17px;
    }
}

/* Platform Approval Flow Center */
.approval-center {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.approval-center-head {
    background: var(--color-white);
    border: 1px solid var(--color-light-gray);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
}

.approval-center-title {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--color-dark-gray);
    font-size: 20px;
    font-weight: 700;
}

.approval-center-title i {
    color: var(--color-primary-blue);
}

.approval-center-subtitle {
    margin-top: 6px;
    color: var(--color-text-light);
    font-size: 13px;
}

.approval-center-actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    justify-content: flex-end;
}

.approval-definition-form-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: var(--spacing-md);
}

.approval-definition-field {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.approval-definition-field label {
    color: var(--color-dark-gray);
    font-size: 12px;
    font-weight: 700;
}

.approval-definition-field-wide {
    grid-column: span 2;
}

.approval-center-grid {
    display: grid;
    grid-template-columns: 300px minmax(0, 1fr) 320px;
    gap: var(--spacing-lg);
    align-items: stretch;
}

.approval-library,
.approval-designer,
.approval-properties {
    background: var(--color-white);
    border: 1px solid var(--color-light-gray);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.approval-library,
.approval-properties {
    padding: var(--spacing-md);
}

.approval-library {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.approval-pane-title {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--color-dark-gray);
    font-size: 15px;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.approval-pane-title i {
    color: var(--color-primary-blue);
}

.approval-node-toolbox {
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--color-light-gray);
}

.approval-toolbox-caption {
    margin: -8px 0 var(--spacing-md);
    color: var(--color-text-light);
    font-size: 12px;
    line-height: 1.45;
}

.approval-palette-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--spacing-sm);
}

.approval-library-section-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.approval-library-section-head .approval-pane-title {
    margin-bottom: 0;
}

.approval-library-section-head .btn {
    padding: 7px 10px;
    font-size: 12px;
}

.approval-library-search {
    margin-bottom: var(--spacing-md);
}

.approval-definition-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.approval-definition-card {
    width: 100%;
    border: 1px solid #e3e8ef;
    border-radius: var(--radius-md);
    background: #fbfcfe;
    padding: var(--spacing-sm);
    text-align: left;
    display: grid;
    gap: 4px;
    transition: all var(--transition-fast);
}

.approval-definition-card:hover,
.approval-definition-card.active {
    border-color: var(--color-primary-blue);
    background: var(--color-light-blue);
}

.approval-definition-name {
    color: var(--color-dark-gray);
    font-weight: 700;
    font-size: 13px;
}

.approval-definition-meta {
    color: var(--color-text-light);
    font-size: 11px;
}

.approval-designer {
    min-width: 0;
    overflow: hidden;
}

.approval-designer-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--color-light-gray);
}

.approval-designer-title {
    color: var(--color-dark-gray);
    font-size: 16px;
    font-weight: 800;
}

.approval-designer-meta {
    margin-top: 4px;
    color: var(--color-text-light);
    font-size: 12px;
}

.approval-designer-status {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: flex-end;
    gap: var(--spacing-sm);
    color: var(--color-text-light);
    font-size: 12px;
    font-weight: 700;
}

.approval-node-palette {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    justify-content: flex-end;
}

.approval-palette-node {
    border: 1px solid #cfd9e6;
    border-radius: var(--radius-md);
    background: #f8fafc;
    color: var(--color-dark-gray);
    padding: 7px 10px;
    font-size: 12px;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    cursor: grab;
    min-height: 38px;
}

.approval-palette-node:hover {
    border-color: var(--color-primary-blue);
    color: var(--color-primary-blue);
    background: var(--color-light-blue);
}

.approval-palette-grid .approval-palette-node {
    width: 100%;
    justify-content: flex-start;
    min-height: 46px;
    padding: 10px;
}

.approval-palette-grid .approval-palette-node i {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--color-white);
    color: var(--color-primary-blue);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    box-shadow: inset 0 0 0 1px #dce7f3;
}

.approval-canvas-hint {
    padding: 10px var(--spacing-md);
    background: #f8fafc;
    border-bottom: 1px solid var(--color-light-gray);
    color: var(--color-text-light);
    font-size: 12px;
}

.approval-canvas {
    min-height: 470px;
    padding: var(--spacing-lg);
    overflow-x: auto;
    background:
        linear-gradient(#edf2f7 1px, transparent 1px),
        linear-gradient(90deg, #edf2f7 1px, transparent 1px),
        #fbfdff;
    background-size: 24px 24px;
}

.approval-flow-lane {
    min-width: max-content;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) 0;
}

.approval-flow-node {
    width: 160px;
    min-height: 118px;
    border: 2px solid #d7e0ea;
    border-radius: var(--radius-lg);
    background: var(--color-white);
    box-shadow: var(--shadow-sm);
    padding: var(--spacing-sm);
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 5px;
    text-align: left;
    transition: all var(--transition-fast);
}

.approval-flow-node:hover,
.approval-flow-node.selected {
    border-color: var(--color-primary-blue);
    box-shadow: 0 6px 14px rgba(74, 144, 226, 0.16);
    transform: translateY(-1px);
}

.approval-flow-node.start,
.approval-flow-node.end {
    width: 112px;
    min-height: 92px;
    border-radius: 50px;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.approval-flow-node.approval {
    border-color: #b9d4f2;
}

.approval-flow-node.gateway {
    border-color: #f0c36d;
    background: #fffaf0;
}

.approval-flow-node-icon {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--color-light-blue);
    color: var(--color-primary-blue);
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.approval-flow-node.gateway .approval-flow-node-icon {
    background: #fff3cd;
    color: #a26b00;
}

.approval-flow-node-type {
    color: var(--color-text-light);
    font-size: 10px;
    font-weight: 800;
    text-transform: uppercase;
}

.approval-flow-node-name {
    color: var(--color-dark-gray);
    font-size: 13px;
    font-weight: 800;
}

.approval-flow-node-owner {
    color: var(--color-text-light);
    font-size: 11px;
}

.approval-node-connector {
    width: 32px;
    color: var(--color-medium-gray);
    text-align: center;
}

.approval-property-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.approval-property-form .form-group {
    margin-bottom: 0;
}

.approval-property-actions {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-sm);
    align-items: center;
}

.approval-property-actions .btn-primary {
    margin-left: auto;
}

.approval-empty-state {
    padding: var(--spacing-lg);
    color: var(--color-text-light);
    text-align: center;
}

.approval-preview-summary {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-md);
    background: #f8fafc;
    border: 1px solid var(--color-light-gray);
    border-radius: var(--radius-md);
    font-size: 12px;
}

.approval-preview-table {
    margin-top: var(--spacing-md);
}

.approval-simulation-case {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    background: var(--color-light-blue);
    border-radius: var(--radius-md);
}

.approval-simulation-case i {
    color: var(--color-primary-blue);
    font-size: 20px;
}

.approval-simulation-case span {
    display: block;
    color: var(--color-text);
    font-size: 13px;
}

.workflow-progress-cell {
    min-width: 105px;
}

.workflow-progress-cell span {
    display: block;
    margin-bottom: 4px;
    color: var(--color-dark-gray);
    font-size: 12px;
    font-weight: 700;
}

.workflow-progress-track {
    height: 6px;
    background: #e5edf5;
    border-radius: 999px;
    overflow: hidden;
}

.workflow-progress-track div {
    height: 100%;
    background: var(--color-primary-blue);
    border-radius: 999px;
}

@media (max-width: 1280px) {
    .approval-center-grid {
        grid-template-columns: 240px minmax(0, 1fr);
    }

    .approval-properties {
        grid-column: 1 / -1;
    }

    .approval-definition-form-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 900px) {
    .approval-center-head {
        flex-direction: column;
    }

    .approval-center-grid {
        grid-template-columns: 1fr;
    }

    .approval-definition-form-grid {
        grid-template-columns: 1fr;
    }

    .approval-definition-field-wide {
        grid-column: auto;
    }
}