/**
 * css/components.css
 * SupportFlux UI Components
 */

/* ==========================================================================
   Typography
   ========================================================================== */
.t-h1 {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    letter-spacing: -0.03em;
    line-height: 1.1;
}

.t-h2 {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    letter-spacing: -0.02em;
}

.t-h3 {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    letter-spacing: -0.01em;
}

.t-body {
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
    line-height: 1.6;
}

.t-small {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    border-radius: var(--radius-md);
    transition: all var(--transition-normal);
    white-space: nowrap;
    cursor: pointer;
}

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

.btn--primary {
    background-color: var(--color-primary);
    color: #fff;
    border: none;
}

.btn--primary:hover:not(:disabled) {
    background-color: var(--color-primary-hover);
}

.btn--secondary,
.btn--outline {
    background-color: transparent;
    color: var(--color-text-primary);
    border: 1px solid var(--color-border);
}

.btn--secondary:hover:not(:disabled),
.btn--outline:hover:not(:disabled) {
    background-color: var(--color-bg-elevated);
    border-color: var(--color-border-hover);
}

.btn--danger {
    background-color: transparent;
    color: var(--color-danger);
    border: 1px solid transparent;
}

.btn--danger:hover:not(:disabled) {
    background-color: rgba(220, 38, 38, 0.08);
}

.btn--ghost {
    background-color: transparent;
    color: var(--color-text-secondary);
    border: none;
}

.btn--ghost:hover:not(:disabled) {
    background-color: var(--color-bg-elevated);
    color: var(--color-text-primary);
}

/* ==========================================================================
   Forms & Inputs
   ========================================================================== */
.form-group {
    margin-bottom: var(--space-4);
}

.label {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    margin-bottom: var(--space-2);
    color: var(--color-text-primary);
}

.input {
    width: 100%;
    padding: var(--space-2) var(--space-3);
    font-size: var(--font-size-base);
    background-color: var(--color-bg-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text-primary);
    transition: all var(--transition-normal);
}

.input::placeholder {
    color: var(--color-text-muted);
}

.input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 2px rgba(20, 184, 166, 0.15);
}

.input:disabled {
    background-color: var(--color-bg-elevated);
    border-color: var(--color-border);
    opacity: 0.6;
    cursor: not-allowed;
}

/* ==========================================================================
   Navigation Items
   ========================================================================== */
.nav-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-2) var(--space-4);
    color: var(--color-text-secondary);
    text-decoration: none;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    transition: all var(--transition-normal);
    margin: 0 var(--space-2) var(--space-1) var(--space-2);
    border-radius: var(--radius-md);
    cursor: pointer;
}

.nav-item:hover {
    color: var(--color-text-primary);
    background-color: var(--color-bg-elevated);
}

.nav-item--active {
    color: var(--color-text-primary);
    background-color: var(--color-bg-elevated);
    font-weight: var(--font-weight-semibold);
}

.nav-item--active:hover {
    background-color: var(--color-bg-elevated);
}

.nav-icon {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
    color: currentColor;
}

.nav-badge {
    margin-left: auto;
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    background-color: var(--color-primary);
    color: #fff;
    padding: var(--space-1) var(--space-2);
    border-radius: var(--radius-full);
    min-width: 1.25rem;
    text-align: center;
}

/* ==========================================================================
   Badges
   ========================================================================== */
.badge {
    display: inline-flex;
    align-items: center;
    padding: var(--space-1) var(--space-2);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    border-radius: var(--radius-full);
}

.badge--primary {
    background-color: rgba(20, 184, 166, 0.1);
    color: var(--color-primary);
}

.badge--neutral {
    background-color: var(--color-bg-elevated);
    color: var(--color-text-secondary);
    border: 1px solid var(--color-border);
}

.badge--success {
    background-color: #dcfce7;
    color: #15803d;
}

.badge--warning {
    background-color: #fef3c7;
    color: #92400e;
}

.badge--danger {
    background-color: #fee2e2;
    color: #b91c1c;
}

.badge--info {
    background-color: #dbeafe;
    color: #1e40af;
}

/* Dark mode badge overrides */
.dark .badge--success {
    background-color: rgba(16, 185, 129, 0.15);
    color: #34d399;
}

.dark .badge--warning {
    background-color: rgba(245, 158, 11, 0.15);
    color: #fbbf24;
}

.dark .badge--danger {
    background-color: rgba(239, 68, 68, 0.15);
    color: #f87171;
}

.dark .badge--info {
    background-color: rgba(59, 130, 246, 0.15);
    color: #93c5fd;
}

.dark .input:focus {
    box-shadow: 0 0 0 2px rgba(45, 212, 191, 0.2);
}

.dark .btn--danger:hover:not(:disabled) {
    background-color: rgba(239, 68, 68, 0.12);
}

/* ==========================================================================
   Cards & Lists
   ========================================================================== */
.card {
    background-color: var(--color-bg-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    transition: box-shadow var(--transition-normal);
}

.card:hover {
    box-shadow: var(--shadow-md);
}

.card__header {
    padding: var(--space-6);
    border-bottom: 1px solid var(--color-border);
}

.card__body {
    padding: var(--space-6);
}

.list-item {
    display: block;
    padding: var(--space-4);
    border-bottom: 1px solid var(--color-border);
    transition: all var(--transition-fast);
    cursor: pointer;
}

.list-item:hover {
    background-color: var(--color-bg-elevated);
}

.list-item--active {
    background-color: var(--color-bg-elevated);
}

/* ==========================================================================
   Tabs
   ========================================================================== */
.tabs {
    display: flex;
    gap: var(--space-1);
    border-bottom: 1px solid var(--color-border);
    margin-bottom: var(--space-6);
}

.tab-trigger {
    padding: var(--space-3) var(--space-4);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-muted);
    border: none;
    background: transparent;
    border-bottom: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition-normal);
    margin-bottom: -1px;
}

.tab-trigger:hover {
    color: var(--color-text-primary);
}

.tab-trigger--active {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
    font-weight: var(--font-weight-semibold);
}

.tab-panel {
    display: none;
}

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

/* ==========================================================================
   Knowledge Grid
   ========================================================================== */
.knowledge-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--space-4);
}

.knowledge-card {
    position: relative;
    background-color: var(--color-bg-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
    transition: all var(--transition-normal);
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.knowledge-card:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--color-border-hover);
}

.knowledge-card__header {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.knowledge-card__icon {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-md);
    background-color: rgba(20, 184, 166, 0.1);
    color: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.knowledge-card__title {
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-sm);
    color: var(--color-text-primary);
    flex: 1;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.knowledge-card__type {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
}

.knowledge-card__preview {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.knowledge-card__footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
    margin-top: auto;
}

.knowledge-card__actions {
    display: flex;
    gap: var(--space-1);
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.knowledge-card:hover .knowledge-card__actions {
    opacity: 1;
}

.knowledge-card__checkbox {
    position: absolute;
    top: var(--space-3);
    left: var(--space-3);
    width: 18px;
    height: 18px;
    accent-color: var(--color-primary);
    cursor: pointer;
    opacity: 0;
    transition: opacity var(--transition-fast);
    z-index: 2;
}

.knowledge-card:hover .knowledge-card__checkbox,
.knowledge-card--selected .knowledge-card__checkbox {
    opacity: 1;
}

.knowledge-card--selected {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 2px rgba(20, 184, 166, 0.15);
}

/* Floating Bulk Action Bar */

.bulk-action-bar {
    position: fixed;
    bottom: var(--space-6);
    left: 50%;
    transform: translateX(-50%) translateY(calc(100% + var(--space-8)));
    display: flex;
    align-items: center;
    gap: var(--space-4);
    padding: var(--space-3) var(--space-6);
    background-color: var(--color-bg-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    z-index: 50;
    transition: transform var(--transition-slow);
}

.bulk-action-bar.is-visible {
    transform: translateX(-50%) translateY(0);
}

.bulk-action-bar__count {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
    white-space: nowrap;
}

/* Indexing History (Detail Modal) */

.indexing-history {
    margin-top: var(--space-6);
    padding-top: var(--space-4);
    border-top: 1px solid var(--color-border);
}

.indexing-history__title {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
    margin-bottom: var(--space-3);
}

.indexing-history__item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-2) 0;
    font-size: var(--font-size-xs);
    color: var(--color-text-secondary);
    border-bottom: 1px solid var(--color-border);
}

.indexing-history__item:last-child {
    border-bottom: none;
}

/* ==========================================================================
   Inbox Enhancements
   ========================================================================== */
.email-item {
    padding: var(--space-4);
    border-bottom: 1px solid var(--color-border);
    cursor: pointer;
    transition: background-color var(--transition-fast);
}

.email-item:hover {
    background-color: var(--color-bg-elevated);
}

.email-item--active {
    background-color: var(--color-bg-elevated);
}

.email-item__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-1);
}

.email-item__sender {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
}

.email-item__time {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
}

.email-item__subject {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-primary);
    margin-bottom: var(--space-1);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.email-item__preview {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: var(--space-2);
}

.email-item__meta {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    flex-wrap: wrap;
}

.email-item__status {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
}

.email-item__status--pending { color: var(--color-text-muted); }
.email-item__status--drafted { color: var(--color-primary); }
.email-item__status--sent { color: var(--color-success); }
.email-item__status--attention { color: var(--color-warning); }
.email-item__status--not-actionable { color: var(--color-text-muted); }

/* Detail view avatar */
.avatar-initials {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    background-color: var(--color-primary);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-sm);
    flex-shrink: 0;
}

/* ==========================================================================
   Toasts & Modals
   ========================================================================== */
#toast-container {
    position: fixed;
    bottom: var(--space-4);
    right: var(--space-4);
    z-index: 50;
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.toast {
    padding: var(--space-3) var(--space-4);
    background-color: var(--color-bg-surface);
    border: 1px solid var(--color-border);
    border-left: 4px solid var(--color-primary);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    color: var(--color-text-primary);
    font-size: var(--font-size-sm);
    display: flex;
    align-items: center;
    gap: var(--space-3);
    animation: slideIn var(--transition-slow);
    transform-origin: bottom;
}

.toast--error {
    border-left-color: var(--color-danger);
}

.toast--success {
    border-left-color: var(--color-success);
}

.modal-backdrop {
    position: fixed;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 100;
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.modal {
    background-color: var(--color-bg-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    width: 100%;
    max-width: 420px;
    box-shadow: var(--shadow-lg);
    transform: scale(0.95) translateY(10px);
    transition: all var(--transition-slow);
}

.modal-backdrop.is-active {
    opacity: 1;
}

.modal-backdrop.is-active .modal {
    transform: scale(1) translateY(0);
}

/* Wide variant for detail/content views */
.modal--wide {
    max-width: 680px;
    max-height: 80vh;
    overflow-y: auto;
}

/* Prose styles for rendered Markdown */
.prose > * + * { margin-top: var(--space-4); }
.prose h1, .prose h2, .prose h3 { font-weight: var(--font-weight-semibold); line-height: 1.3; }
.prose h1 { font-size: 1.5rem; }
.prose h2 { font-size: 1.25rem; }
.prose h3 { font-size: 1.1rem; }
.prose p { line-height: 1.7; color: var(--color-text-secondary); }
.prose ul, .prose ol { padding-left: var(--space-6); }
.prose li { margin-top: var(--space-2); color: var(--color-text-secondary); }
.prose code {
    background: var(--color-bg-elevated);
    border-radius: var(--radius-sm);
    padding: 2px 6px;
    font-size: 0.85em;
    font-family: monospace;
}
.prose pre {
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--space-4);
    overflow-x: auto;
}
.prose pre code { background: none; padding: 0; }
.prose blockquote {
    border-left: 3px solid var(--color-primary);
    padding-left: var(--space-4);
    color: var(--color-text-muted);
    font-style: italic;
}
.prose a { color: var(--color-primary); text-decoration: underline; }
.prose hr { border: none; border-top: 1px solid var(--color-border); }
.prose strong { color: var(--color-text-primary); font-weight: var(--font-weight-semibold); }

/* ==========================================================================
   Animations
   ========================================================================== */
@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(15px) scale(0.95);
    }

    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

@keyframes spin {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(360deg);
    }
}

.animate-spin {
    animation: spin 1s cubic-bezier(0.5, 0.2, 0.5, 0.8) infinite;
    display: inline-block;
}

/* ==========================================================================
   Utility Classes
   ========================================================================== */
.line-clamp-2 {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.truncate {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* ==========================================================================
   Knowledge Base Editor Overlay
   ========================================================================== */

#knowledge-editor-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 200;
    display: flex;
    flex-direction: column;
    background-color: var(--color-bg-base);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-fast);
}

#knowledge-editor-overlay.is-active {
    opacity: 1;
    pointer-events: auto;
}

.editor-toolbar {
    height: 72px;
    padding: 0 var(--space-6);
    display: flex;
    align-items: center;
    gap: var(--space-4);
    border-bottom: 1px solid var(--color-border);
    flex-shrink: 0;
}

#editor-title {
    flex: 1;
    background: transparent;
    border: none;
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
    outline: none;
    padding: 0;
    font-family: var(--font-family-sans);
}

#editor-title::placeholder {
    color: var(--color-text-muted);
}

.editor-toolbar__actions {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    flex-shrink: 0;
}

.editor-body {
    flex: 1;
    display: flex;
    flex-direction: row;
    overflow: hidden;
    min-height: 0;
}

.editor-pane--write,
.editor-pane--preview {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
    overflow: hidden;
}

.editor-pane--write {
    border-right: 1px solid var(--color-border);
}

#editor-content {
    flex: 1;
    width: 100%;
    padding: var(--space-6);
    background-color: transparent;
    border: none;
    color: var(--color-text-primary);
    font-size: var(--font-size-base);
    font-family: 'Menlo', 'Monaco', 'Courier New', monospace;
    line-height: 1.7;
    resize: none;
    outline: none;
}

#editor-preview-content {
    flex: 1;
    overflow-y: auto;
    padding: var(--space-6);
    line-height: 1.7;
    color: var(--color-text-secondary);
}

#editor-preview-content h1,
#editor-preview-content h2,
#editor-preview-content h3,
#editor-preview-content h4 {
    color: var(--color-text-primary);
    margin-top: var(--space-6);
    margin-bottom: var(--space-3);
}

#editor-preview-content h1:first-child,
#editor-preview-content h2:first-child,
#editor-preview-content h3:first-child {
    margin-top: 0;
}

#editor-preview-content p {
    margin-bottom: var(--space-4);
}

#editor-preview-content code {
    background-color: var(--color-bg-elevated);
    padding: 0.125rem 0.375rem;
    border-radius: var(--radius-sm);
    font-size: var(--font-size-sm);
    font-family: 'Menlo', 'Monaco', 'Courier New', monospace;
    color: var(--color-text-primary);
}

#editor-preview-content pre {
    background-color: var(--color-bg-elevated);
    padding: var(--space-4);
    border-radius: var(--radius-md);
    overflow-x: auto;
    margin-bottom: var(--space-4);
    border: 1px solid var(--color-border);
}

#editor-preview-content pre code {
    background: none;
    padding: 0;
    font-size: var(--font-size-sm);
}

#editor-preview-content blockquote {
    border-left: 3px solid var(--color-primary);
    padding-left: var(--space-4);
    color: var(--color-text-muted);
    margin-bottom: var(--space-4);
    margin-left: 0;
}

#editor-preview-content a {
    color: var(--color-primary);
    text-decoration: underline;
}

#editor-preview-content ul,
#editor-preview-content ol {
    padding-left: var(--space-6);
    margin-bottom: var(--space-4);
}

#editor-preview-content li {
    margin-bottom: var(--space-1);
}

#editor-preview-content hr {
    border: none;
    border-top: 1px solid var(--color-border);
    margin: var(--space-6) 0;
}

#editor-preview-content table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: var(--space-4);
}

#editor-preview-content th,
#editor-preview-content td {
    padding: var(--space-2) var(--space-3);
    border: 1px solid var(--color-border);
    text-align: left;
}

#editor-preview-content th {
    background-color: var(--color-bg-elevated);
    color: var(--color-text-primary);
    font-weight: var(--font-weight-medium);
}