/* DBN Knowledge consumes the shared DBN brand tokens from Heilz Child
   (themes/heilz-child/style.css) — see docs/architecture/styling-convention.md. */

.dbn-knowledge {
	color: var(--dbn-text);
	margin: 0 auto;
	max-width: 1200px;
	padding: clamp(1rem, 3vw, 2.5rem);
}

/* ==========================================================================
   Hero Banner Section
   ========================================================================== */

.dbn-knowledge__hero {
	align-items: center;
	background: radial-gradient(circle at 85% 15%, rgba(102, 155, 188, 0.3), transparent 28rem),
	            linear-gradient(135deg, #001f31, var(--dbn-primary));
	border-radius: var(--dbn-radius);
	box-shadow: 0 12px 32px rgba(0, 48, 73, 0.12);
	color: #ffffff;
	display: flex;
	flex-wrap: wrap;
	gap: 1.5rem;
	justify-content: space-between;
	padding: clamp(2rem, 5vw, 3.5rem);
}

.dbn-hero-content {
	flex: 1 1 24rem;
}

.dbn-hero-badge {
	background: rgba(255, 255, 255, 0.15);
	border: 1px solid rgba(255, 255, 255, 0.25);
	border-radius: var(--dbn-radius-pill);
	color: #eef6fc;
	display: inline-block;
	font-size: 0.75rem;
	font-weight: 700;
	letter-spacing: 0.08em;
	padding: 0.3rem 0.8rem;
	text-transform: uppercase;
}

.dbn-knowledge__hero h1 {
	color: #ffffff;
	font-size: clamp(1.85rem, 4.5vw, 3.25rem);
	font-weight: 800;
	letter-spacing: -0.03em;
	line-height: 1.1;
	margin: 0.4rem 0 0.6rem;
}

.dbn-hero-desc {
	color: rgba(255, 255, 255, 0.85);
	font-size: 1.05rem;
	line-height: 1.5;
	margin: 0;
	max-width: 42rem;
}

.dbn-hero-stats {
	flex: 0 0 auto;
}

.dbn-stat-pill {
	align-items: center;
	background: rgba(255, 255, 255, 0.12);
	backdrop-filter: blur(8px);
	border: 1px solid rgba(255, 255, 255, 0.2);
	border-radius: var(--dbn-radius);
	display: flex;
	flex-direction: column;
	min-width: 7.5rem;
	padding: 0.85rem 1.25rem;
	text-align: center;
}

.dbn-stat-val {
	color: #ffffff;
	font-size: 1.75rem;
	font-weight: 800;
	line-height: 1;
}

.dbn-stat-lbl {
	color: rgba(255, 255, 255, 0.8);
	font-size: 0.75rem;
	font-weight: 600;
	margin-top: 0.3rem;
	text-transform: uppercase;
}

/* ==========================================================================
   Search / Filter Bar
   ========================================================================== */

.dbn-knowledge__filters {
	align-items: center;
	display: flex;
	flex-wrap: wrap;
	gap: 0.75rem;
	margin: 1.75rem 0 1.5rem;
}

.dbn-knowledge__filters .dbn-input {
	flex: 1 1 16rem;
	width: auto;
}

/* ==========================================================================
   Tabbed Navigation Bar
   ========================================================================== */

.dbn-dashboard-tabs {
	background: var(--dbn-surface-subtle);
	border: 1px solid var(--dbn-border);
	border-radius: var(--dbn-radius);
	display: flex;
	flex-wrap: wrap;
	gap: 0.5rem;
	margin: 1.75rem 0 1.5rem;
	padding: 0.5rem;
}

.dbn-tab-btn {
	align-items: center;
	background: transparent;
	border: 1px solid transparent;
	border-radius: var(--dbn-radius);
	color: var(--dbn-muted);
	cursor: pointer;
	display: inline-flex;
	font-size: 0.95rem;
	font-weight: 600;
	gap: 0.5rem;
	padding: 0.65rem 1.2rem;
	text-decoration: none;
	transition: var(--dbn-transition);
}

.dbn-tab-btn:hover {
	color: var(--dbn-primary);
	background: rgba(0, 48, 73, 0.04);
}

.dbn-tab-btn.is-active {
	background: var(--dbn-surface);
	border-color: var(--dbn-border);
	box-shadow: 0 2px 8px rgba(0, 48, 73, 0.06);
	color: var(--dbn-primary);
	font-weight: 700;
}

.dbn-tab-badge {
	background: var(--dbn-accent-light);
	border-radius: var(--dbn-radius-pill);
	color: var(--dbn-accent);
	font-size: 0.75rem;
	font-weight: 800;
	padding: 0.15rem 0.5rem;
}

.dbn-tab-btn.is-active .dbn-tab-badge {
	background: var(--dbn-primary);
	color: #ffffff;
}

.dbn-tab-panel {
	display: none;
}

.dbn-tab-panel.is-active,
.dbn-tab-panel:target {
	display: block !important;
}

.dbn-tab-panel[hidden] {
	display: none !important;
}

.dbn-tab-panel.is-active[hidden] {
	display: block !important;
}


/* ==========================================================================
   Card Containers & Form Layouts
   ========================================================================== */

.dbn-table-card,
.dbn-article-editor,
.dbn-author-profile-form,
.dbn-editorial-card,
.dbn-advisory-review {
	background: var(--dbn-surface);
	border: 1px solid var(--dbn-border);
	border-radius: var(--dbn-radius);
	box-shadow: 0 4px 20px rgba(0, 48, 73, 0.05);
	margin: 1.5rem 0;
	padding: clamp(1.25rem, 3vw, 2rem);
}

.dbn-card-header {
	align-items: flex-start;
	border-bottom: 1px solid var(--dbn-border);
	display: flex;
	flex-wrap: wrap;
	gap: 1rem;
	justify-content: space-between;
	margin-bottom: 1.5rem;
	padding-bottom: 1.25rem;
}

.dbn-card-header h2 {
	color: var(--dbn-primary);
	font-size: 1.4rem;
	font-weight: 800;
	letter-spacing: -0.02em;
	margin: 0;
}

.dbn-card-subtitle {
	color: var(--dbn-muted);
	font-size: 0.9rem;
	margin: 0.25rem 0 0;
}

.dbn-editor-status,
.dbn-profile-status {
	color: var(--dbn-primary);
	font-size: 0.85rem;
	font-weight: 700;
}

.dbn-editor-status:empty,
.dbn-profile-status:empty {
	display: none;
}

.dbn-editor-status.is-error,
.dbn-profile-status.is-error {
	color: #9f1239;
}

/* Form Grid System */
.dbn-form-grid {
	display: grid;
	gap: 1.25rem 1.5rem;
	grid-template-columns: repeat(12, 1fr);
}

.dbn-col-full {
	grid-column: span 12;
}

.dbn-col-half {
	grid-column: span 6;
}

.dbn-form-group {
	display: flex;
	flex-direction: column;
	gap: 0.4rem;
}

.dbn-fieldset {
	border: 0;
	margin: 0;
	padding: 0;
}

.dbn-chip-add {
	margin-top: 0.6rem;
}

.dbn-form-label {
	color: var(--dbn-primary);
	font-size: 0.925rem;
	font-weight: 700;
}

.dbn-required {
	color: #d97706;
}

.dbn-form-hint {
	color: var(--dbn-muted);
	font-size: 0.825rem;
}

/* Cover Image Picker */
.dbn-cover-picker {
	display: flex;
	flex-direction: column;
	gap: 0.75rem;
}

.dbn-cover-preview {
	align-items: center;
	background: var(--dbn-surface-subtle);
	border: 1.5px dashed var(--dbn-border);
	border-radius: var(--dbn-radius);
	display: flex;
	justify-content: center;
	min-height: 8rem;
	overflow: hidden;
	padding: 0.75rem;
}

.dbn-cover-preview img {
	border-radius: var(--dbn-radius);
	max-height: 12rem;
	max-width: 100%;
	object-fit: cover;
}

.dbn-cover-actions {
	align-items: center;
	display: flex;
	gap: 1rem;
}

/* Inputs, Textareas, Selects */
.dbn-input,
.dbn-textarea,
.dbn-knowledge select {
	background: var(--dbn-surface);
	border: 1.5px solid var(--dbn-border);
	border-radius: var(--dbn-radius);
	box-sizing: border-box;
	color: var(--dbn-text);
	font: inherit;
	font-size: 0.95rem;
	line-height: 1.5;
	padding: 0.75rem 1rem;
	transition: border-color 0.2s ease, box-shadow 0.2s ease;
	width: 100%;
}

.dbn-textarea--large {
	font-family: inherit;
	line-height: 1.6;
}

.dbn-input:focus,
.dbn-textarea:focus,
.dbn-knowledge select:focus {
	border-color: var(--dbn-accent);
	box-shadow: 0 0 0 3px rgba(102, 155, 188, 0.25);
	outline: 0;
}

/* Category Chips */
.dbn-chip-group {
	display: flex;
	flex-wrap: wrap;
	gap: 0.5rem;
	margin-top: 0.25rem;
}

.dbn-chip {
	cursor: pointer;
	margin: 0;
}

.dbn-chip input[type="checkbox"] {
	position: absolute;
	opacity: 0;
	width: 0;
	height: 0;
}

.dbn-chip-label {
	background: var(--dbn-surface-subtle);
	border: 1.5px solid var(--dbn-border);
	border-radius: var(--dbn-radius);
	color: var(--dbn-text);
	display: inline-block;
	font-size: 0.875rem;
	font-weight: 600;
	padding: 0.5rem 0.9rem;
	transition: var(--dbn-transition);
}

.dbn-chip input[type="checkbox"]:checked + .dbn-chip-label,
.dbn-chip.is-selected .dbn-chip-label {
	background: var(--dbn-accent-light);
	border-color: var(--dbn-accent);
	color: var(--dbn-primary);
	font-weight: 700;
}

.dbn-chip:hover .dbn-chip-label {
	border-color: var(--dbn-accent);
}

/* Toggle Switch Control */
.dbn-toggle-label {
	align-items: center;
	cursor: pointer;
	display: inline-flex;
	gap: 0.75rem;
	margin-top: 0.5rem;
	user-select: none;
}

.dbn-toggle-input {
	height: 0;
	opacity: 0;
	position: absolute;
	width: 0;
}

.dbn-toggle-slider {
	background-color: var(--dbn-border);
	border-radius: 9999px;
	height: 1.5rem;
	position: relative;
	transition: var(--dbn-transition);
	width: 2.75rem;
}

.dbn-toggle-slider::before {
	background-color: #ffffff;
	border-radius: 50%;
	bottom: 0.2rem;
	content: "";
	height: 1.1rem;
	left: 0.2rem;
	position: absolute;
	transition: var(--dbn-transition);
	width: 1.1rem;
}

.dbn-toggle-input:checked + .dbn-toggle-slider {
	background-color: var(--dbn-primary);
}

.dbn-toggle-input:checked + .dbn-toggle-slider::before {
	transform: translateX(1.25rem);
}

.dbn-toggle-text {
	color: var(--dbn-primary);
	font-size: 0.925rem;
	font-weight: 700;
}

/* ==========================================================================
   Table & Data Grid Formatting
   ========================================================================== */

.dbn-table-wrap {
	overflow-x: auto;
}

.dbn-table-wrap table {
	border-collapse: collapse;
	width: 100%;
}

.dbn-table-wrap th {
	background: var(--dbn-surface-subtle);
	border-bottom: 2px solid var(--dbn-border);
	color: var(--dbn-primary);
	font-size: 0.85rem;
	font-weight: 800;
	letter-spacing: 0.03em;
	padding: 0.85rem 1rem;
	text-align: left;
	text-transform: uppercase;
}

.dbn-table-wrap td {
	border-bottom: 1px solid var(--dbn-border);
	padding: 1rem;
	vertical-align: middle;
}

.dbn-table-wrap tr:hover td {
	background: var(--dbn-surface-subtle);
}

.dbn-cell-title strong {
	color: var(--dbn-primary);
	display: block;
	font-size: 0.975rem;
}

.dbn-cell-excerpt {
	color: var(--dbn-muted);
	display: block;
	font-size: 0.825rem;
	margin-top: 0.2rem;
}

.dbn-text-right {
	text-align: right;
}

.dbn-actions-cell {
	white-space: nowrap;
}

/* Empty State */
.dbn-empty-state {
	padding: 3rem 1.5rem;
	text-align: center;
}

.dbn-empty-icon {
	font-size: 3rem;
	margin-bottom: 0.75rem;
}

.dbn-empty-state h3 {
	color: var(--dbn-primary);
	font-size: 1.25rem;
	font-weight: 800;
	margin: 0 0 0.5rem;
}

.dbn-empty-state p {
	color: var(--dbn-muted);
	font-size: 0.95rem;
	margin: 0 auto 1.5rem;
	max-width: 28rem;
}

/* ==========================================================================
   Buttons & Status Badges
   ========================================================================== */

.dbn-btn {
	align-items: center;
	background: linear-gradient(135deg, var(--dbn-primary), #004d73);
	border: 0;
	border-radius: var(--dbn-radius);
	box-shadow: 0 2px 8px rgba(0, 48, 73, 0.15);
	color: #ffffff !important;
	cursor: pointer;
	display: inline-flex;
	font: inherit;
	font-size: 0.925rem;
	font-weight: 700;
	gap: 0.5rem;
	justify-content: center;
	padding: 0.75rem 1.4rem;
	text-decoration: none !important;
	transition: var(--dbn-transition);
}

.dbn-btn:hover {
	background: linear-gradient(135deg, var(--dbn-primary-hover), var(--dbn-primary));
	box-shadow: 0 4px 14px rgba(0, 48, 73, 0.25);
	transform: translateY(-1px);
}

.dbn-btn--secondary {
	background: var(--dbn-surface);
	border: 1.5px solid var(--dbn-border);
	box-shadow: none;
	color: var(--dbn-primary) !important;
}

.dbn-btn--secondary:hover {
	background: var(--dbn-accent-light);
	border-color: var(--dbn-accent);
	box-shadow: 0 2px 8px rgba(0, 48, 73, 0.08);
}

.dbn-btn--sm {
	font-size: 0.85rem;
	padding: 0.5rem 1rem;
}

.dbn-btn-link {
	color: var(--dbn-primary);
	font-size: 0.875rem;
	font-weight: 700;
	margin-left: 0.75rem;
	text-decoration: none;
}

.dbn-btn-link:hover {
	color: var(--dbn-accent);
	text-decoration: underline;
}

.dbn-btn-link--secondary {
	color: var(--dbn-muted);
}

/* Status Pills */
.dbn-status {
	background: var(--dbn-surface-subtle);
	border: 1px solid var(--dbn-border);
	border-radius: var(--dbn-radius-pill);
	color: var(--dbn-text);
	display: inline-block;
	font-size: 0.775rem;
	font-weight: 800;
	letter-spacing: 0.02em;
	padding: 0.3rem 0.75rem;
	text-transform: capitalize;
}

.dbn-status--draft {
	background: #f1f5f9;
	border-color: #cbd5e1;
	color: #334155;
}

.dbn-status--author_review,
.dbn-status--pending {
	background: #fef3c7;
	border-color: #fde68a;
	color: #92400e;
}

.dbn-status--publish,
.dbn-status--published {
	background: #d1fae5;
	border-color: #a7f3d0;
	color: #065f46;
}

.dbn-status--rejected {
	background: #ffe4e6;
	border-color: #fecdd3;
	color: #9f1239;
}

.dbn-editor-actions {
	align-items: center;
	display: flex;
	flex-wrap: wrap;
	gap: 1rem;
	margin-top: 1.75rem;
	padding-top: 1.25rem;
	border-top: 1px solid var(--dbn-border);
}

.dbn-editor-footer-note {
	color: var(--dbn-muted);
	font-size: 0.85rem;
	margin-top: 0.75rem;
}

.dbn-form-actions {
	margin-top: 1.75rem;
	padding-top: 1.25rem;
	border-top: 1px solid var(--dbn-border);
}

/* ==========================================================================
   Article Cover & Meta
   ========================================================================== */

.dbn-article-cover {
	border-radius: var(--dbn-radius-lg);
	box-shadow: var(--dbn-shadow-sm);
	margin: 0 0 1.5rem;
	overflow: hidden;
}

.dbn-article-cover img {
	display: block;
	height: auto;
	max-height: 28rem;
	object-fit: cover;
	width: 100%;
}

.dbn-article-meta {
	align-items: center;
	color: var(--dbn-muted);
	display: flex;
	flex-wrap: wrap;
	font-size: 0.9rem;
	gap: 0.5rem;
	margin: 0 0 1.5rem;
}

.dbn-article-meta__author,
.dbn-article-meta__reading {
	align-items: center;
	display: inline-flex;
	gap: 0.4rem;
}

.dbn-article-meta__author i,
.dbn-article-meta__reading i {
	color: var(--dbn-accent);
	font-size: 0.85rem;
}

.dbn-article-meta__author a {
	color: var(--dbn-primary);
	font-weight: 700;
	text-decoration: none;
}

.dbn-article-meta__author a:hover {
	color: var(--dbn-accent);
	text-decoration: underline;
}

.dbn-article-meta__sep {
	color: var(--dbn-border);
}

/* ==========================================================================
   Article Rating & Share
   ========================================================================== */

.dbn-article-rating,
.dbn-article-share {
	background: var(--dbn-surface-subtle);
	border: 1px solid var(--dbn-border);
	border-radius: var(--dbn-radius-lg);
	margin: 2rem 0;
	padding: 1.5rem;
}

.dbn-article-rating h2 {
	font-size: 1.1rem;
	margin: 0 0 0.25rem;
}

.dbn-rating-score {
	color: var(--dbn-muted);
	font-size: 0.9rem;
	margin: 0 0 1rem;
}

.dbn-rating-buttons {
	display: flex;
	flex-wrap: wrap;
	gap: 0.6rem;
}

.dbn-rating-btn {
	background: var(--dbn-surface);
	border: 1.5px solid var(--dbn-border);
	border-radius: var(--dbn-radius);
	color: var(--dbn-text);
	cursor: pointer;
	font: inherit;
	font-size: 0.95rem;
	font-weight: 700;
	height: 40px;
	width: 40px;
	transition: var(--dbn-transition);
}

.dbn-rating-btn:hover {
	background: var(--dbn-accent-light);
	border-color: var(--dbn-accent);
}

.dbn-rating-btn.is-selected {
	background: var(--dbn-primary);
	border-color: var(--dbn-primary);
	color: #ffffff;
}

.dbn-article-share {
	align-items: center;
	display: flex;
	flex-wrap: wrap;
	gap: 0.85rem;
}

.dbn-share-label {
	color: var(--dbn-muted);
	font-size: 0.85rem;
	font-weight: 700;
}

.dbn-share-buttons {
	align-items: center;
	display: flex;
	flex-wrap: wrap;
	gap: 0.6rem;
}

.dbn-share-btn {
	align-items: center;
	background: var(--dbn-primary);
	border: 0;
	border-radius: var(--dbn-radius-pill);
	color: #ffffff !important;
	cursor: pointer;
	display: inline-flex;
	font: inherit;
	height: 34px;
	justify-content: center;
	text-decoration: none !important;
	transition: var(--dbn-transition);
	width: 34px;
}

.dbn-share-btn i {
	color: #ffffff !important;
	font-size: 0.85rem;
}

.dbn-share-btn:hover {
	background: var(--dbn-primary-hover);
	transform: translateY(-1px);
}

.dbn-share-btn--copy {
	background: var(--dbn-surface);
	border: 1.5px solid var(--dbn-border);
	border-radius: var(--dbn-radius);
	color: var(--dbn-primary) !important;
	font-size: 0.85rem;
	font-weight: 700;
	gap: 0.4rem;
	padding: 0 0.9rem;
	width: auto;
}

.dbn-share-btn--copy:hover {
	background: var(--dbn-accent-light);
	border-color: var(--dbn-accent);
	transform: none;
}

/* ==========================================================================
   Responsive & Accessibility
   ========================================================================== */

@media (max-width: 768px) {
	.dbn-col-half {
		grid-column: span 12;
	}
	.dbn-dashboard-tabs {
		flex-direction: column;
	}
	.dbn-tab-btn {
		justify-content: space-between;
		width: 100%;
	}
	.dbn-article-share {
		align-items: flex-start;
		flex-direction: column;
	}
}

@media (prefers-reduced-motion: reduce) {
	.dbn-knowledge * {
		scroll-behavior: auto !important;
		transition: none !important;
	}
}
.dbn-input, .dbn-textarea, .dbn-knowledge select {
    background: var(--dbn-surface);
    border: 1.5px solid var(--dbn-border);
    border-radius: var(--dbn-radius);
    color: var(--dbn-text);
    font: inherit;
    font-size: 0.95rem;
    line-height: 1.5;
    padding: 0.75rem 1rem;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
    width: 100%;
    box-sizing: border-box;
}