/* ==========================================
   History Drawer Styles
   Consistent with TruthForge design system
   ========================================== */

/* Drawer Container */
.history-drawer {
    position: fixed;
    top: 0;
    right: -100%;
    width: var(--drawer-width, 400px);
    height: 100vh;
    z-index: 1000;
    transition: right var(--transition-base);
}

.history-drawer.open {
    right: 0;
}

/* Overlay */
.history-drawer-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.5);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-base), visibility var(--transition-base);
    z-index: 999;
}

.history-drawer.open .history-drawer-overlay {
    opacity: 1;
    visibility: visible;
}

/* Drawer Content */
.history-drawer-content {
    position: absolute;
    top: 0;
    right: 0;
    width: 100%;
    height: 100%;
    background: var(--color-bg-primary);
    box-shadow: var(--shadow-drawer);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

/* Header */
.history-drawer-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-md);
    border-bottom: 1px solid var(--color-border);
    background: var(--color-bg-secondary);
}

.history-drawer-header h2 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-text-primary);
    margin: 0;
}

.history-drawer-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--color-text-secondary);
    cursor: pointer;
    padding: var(--space-xs);
    line-height: 1;
    transition: color var(--transition-fast);
}

.history-drawer-close:hover,
.history-drawer-close:focus {
    color: var(--color-text-primary);
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
    border-radius: 4px;
}

/* Toolbar */
.history-drawer-toolbar {
    padding: var(--space-md);
    border-bottom: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.history-search-container {
    display: flex;
    gap: var(--space-xs);
}

.history-search-input {
    flex: 1;
    padding: var(--space-xs) var(--space-sm);
    border: 1px solid var(--color-border);
    border-radius: 6px;
    font-size: 0.875rem;
    color: var(--color-text-primary);
    background: var(--color-bg-card);
    transition: border-color var(--transition-fast);
}

.history-search-input:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px var(--color-accent-light);
}

.history-search-btn {
    padding: var(--space-xs) var(--space-sm);
    background: var(--color-accent);
    color: white;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: background var(--transition-fast);
}

.history-search-btn:hover {
    background: var(--color-accent-hover);
}

.history-view-toggle {
    display: flex;
    gap: var(--space-xs);
}

.view-toggle-btn {
    flex: 1;
    padding: var(--space-xs) var(--space-sm);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 6px;
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.view-toggle-btn:hover {
    background: var(--color-bg-hover);
    border-color: var(--color-accent);
}

.view-toggle-btn.active {
    background: var(--color-accent);
    color: white;
    border-color: var(--color-accent);
}

.view-toggle-btn:focus {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

/* Filters */
.history-filters {
    padding: var(--space-sm) var(--space-md);
    background: var(--color-bg-tertiary);
    border-bottom: 1px solid var(--color-border);
    display: flex;
    gap: var(--space-xs);
    flex-wrap: wrap;
}

.history-filter-select {
    padding: var(--space-xs) var(--space-sm);
    border: 1px solid var(--color-border);
    border-radius: 6px;
    font-size: 0.875rem;
    background: var(--color-bg-card);
    color: var(--color-text-primary);
    cursor: pointer;
}

.history-filter-select:focus {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

.history-filter-btn {
    padding: var(--space-xs) var(--space-sm);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 6px;
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.history-filter-btn:hover {
    background: var(--color-bg-hover);
    border-color: var(--color-accent);
}

.history-filter-btn.active {
    background: var(--color-accent-light);
    border-color: var(--color-accent);
    color: var(--color-accent);
}

.history-filter-btn:focus {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

/* Drawer Body */
.history-drawer-body {
    flex: 1;
    overflow-y: auto;
    padding: var(--space-md);
}

/* Sessions List */
.history-sessions-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.history-session-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    padding: var(--space-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.history-session-card:hover {
    background: var(--color-bg-hover);
    border-color: var(--color-accent);
    box-shadow: var(--shadow-sm);
}

.history-session-card:focus {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

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

.session-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-text-primary);
    margin: 0;
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.session-status {
    font-size: 0.75rem;
    padding: 0.25rem 0.5rem;
    border-radius: 12px;
    font-weight: 500;
    text-transform: capitalize;
}

.session-status.status-created {
    background: var(--color-info);
    color: white;
}

.session-status.status-in-progress {
    background: var(--color-warning);
    color: white;
}

.session-status.status-completed {
    background: var(--color-success);
    color: white;
}

.session-status.status-archived {
    background: var(--color-text-tertiary);
    color: white;
}

.session-status.status-deleted {
    background: var(--color-error);
    color: white;
}

.session-description {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    margin: var(--space-xs) 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.session-metadata {
    display: flex;
    gap: var(--space-sm);
    align-items: center;
    margin-top: var(--space-xs);
    font-size: 0.75rem;
    color: var(--color-text-tertiary);
}

.session-date,
.session-project {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

/* Pillar Progress */
.session-pillars {
    display: flex;
    gap: var(--space-xs);
    margin-top: var(--space-sm);
}

.pillar-badge {
    font-size: 0.75rem;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    border: 1px solid var(--color-border);
    background: var(--color-bg-secondary);
    color: var(--color-text-tertiary);
    transition: all var(--transition-fast);
}

.pillar-badge.completed {
    background: var(--color-success);
    color: white;
    border-color: var(--color-success);
}

/* Tags */
.session-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xs);
    margin-top: var(--space-sm);
}

.session-tags .tag {
    font-size: 0.75rem;
    padding: 0.25rem 0.5rem;
    border-radius: 12px;
    background: var(--color-accent-light);
    color: var(--color-accent);
    border: 1px solid transparent;
}

/* Empty State */
.history-empty-state {
    text-align: center;
    padding: var(--space-2xl);
    color: var(--color-text-tertiary);
}

.history-empty-state p {
    margin-bottom: var(--space-xs);
}

.empty-state-hint {
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

/* Pagination */
.history-pagination {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: var(--space-md);
    padding-top: var(--space-md);
    border-top: 1px solid var(--color-border);
}

.history-pagination-btn {
    padding: var(--space-xs) var(--space-sm);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 6px;
    font-size: 0.875rem;
    color: var(--color-text-primary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.history-pagination-btn:hover:not(:disabled) {
    background: var(--color-bg-hover);
    border-color: var(--color-accent);
}

.history-pagination-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.history-pagination-info {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
}

/* Session Detail View */
.session-detail {
    max-width: 600px;
}

.session-detail-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-md);
    padding-bottom: var(--space-sm);
    border-bottom: 1px solid var(--color-border);
}

.btn-back {
    background: none;
    border: none;
    color: var(--color-accent);
    font-size: 0.875rem;
    cursor: pointer;
    padding: var(--space-xs);
    transition: color var(--transition-fast);
}

.btn-back:hover,
.btn-back:focus {
    color: var(--color-accent-hover);
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
    border-radius: 4px;
}

.session-detail-actions {
    display: flex;
    gap: var(--space-xs);
}

.session-detail-actions button {
    padding: var(--space-xs) var(--space-sm);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 6px;
    font-size: 0.875rem;
    color: var(--color-text-primary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.session-detail-actions button:hover {
    background: var(--color-bg-hover);
    border-color: var(--color-accent);
}

.session-detail-actions .btn-delete:hover {
    border-color: var(--color-error);
    color: var(--color-error);
}

.session-detail h2 {
    margin-bottom: var(--space-sm);
    color: var(--color-text-primary);
}

.session-detail .session-description {
    margin-bottom: var(--space-md);
    color: var(--color-text-secondary);
    line-height: 1.6;
}

.session-detail-meta {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: var(--space-xs) var(--space-md);
    margin-bottom: var(--space-md);
    padding: var(--space-md);
    background: var(--color-bg-tertiary);
    border-radius: 8px;
}

.session-detail-meta dt {
    font-weight: 600;
    color: var(--color-text-secondary);
    font-size: 0.875rem;
}

.session-detail-meta dd {
    color: var(--color-text-primary);
    font-size: 0.875rem;
}

.status-badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 500;
    background: var(--color-accent-light);
    color: var(--color-accent);
}

.session-narrative-preview,
.session-result-summary,
.session-tags-section {
    margin-bottom: var(--space-md);
    padding: var(--space-md);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 8px;
}

.session-narrative-preview h3,
.session-result-summary h3,
.session-tags-section h3 {
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: var(--space-sm);
    color: var(--color-text-primary);
}

.session-narrative-preview p,
.session-result-summary p {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

/* Projects View */
.projects-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-md);
}

.projects-header h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-text-primary);
}

.btn-create-project {
    padding: var(--space-xs) var(--space-sm);
    background: var(--color-accent);
    color: white;
    border: none;
    border-radius: 6px;
    font-size: 0.875rem;
    cursor: pointer;
    transition: background var(--transition-fast);
}

.btn-create-project:hover {
    background: var(--color-accent-hover);
}

.btn-create-project:focus {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

.projects-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.project-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    padding: var(--space-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.project-card:hover {
    background: var(--color-bg-hover);
    border-color: var(--color-accent);
    box-shadow: var(--shadow-sm);
}

.project-card h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: var(--space-xs);
    color: var(--color-text-primary);
}

.project-card p {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-xs);
}

.project-meta {
    font-size: 0.75rem;
    color: var(--color-text-tertiary);
}

/* Loading State */
.history-drawer-loading {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    display: none;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    z-index: 10;
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--color-border);
    border-top-color: var(--color-accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

.history-drawer-loading p {
    color: var(--color-text-secondary);
    font-size: 0.875rem;
}

/* Error State */
.history-drawer-error {
    padding: var(--space-md);
    background: #fef2f2;
    border: 1px solid #fecaca;
    border-radius: 8px;
    margin: var(--space-md);
    display: none;
}

.error-message {
    color: var(--color-error);
    margin-bottom: var(--space-sm);
}

.btn-retry {
    padding: var(--space-xs) var(--space-sm);
    background: var(--color-error);
    color: white;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.875rem;
}

.btn-retry:hover {
    background: #dc2626;
}

/* Responsive Design */
@media (max-width: 768px) {
    .history-drawer {
        width: 100%;
    }

    .history-filters {
        flex-direction: column;
    }

    .history-filter-select,
    .history-filter-btn {
        width: 100%;
    }
}

/* Accessibility: High Contrast Mode */
@media (prefers-contrast: high) {
    .history-session-card {
        border-width: 2px;
    }

    .history-session-card:focus {
        outline-width: 3px;
    }
}

/* Accessibility: Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    .history-drawer,
    .history-drawer-overlay,
    .history-session-card,
    .loading-spinner {
        transition: none;
        animation: none;
    }
}

/* Body scroll lock when drawer is open */
body.history-drawer-open {
    overflow: hidden;
}