/* ============================================
   COMPONENTS.CSS - Cards, Buttons, Badges, Soft Components
   ============================================
   Contains:
   - Card soft classes
   - Stat cards
   - Button soft variants
   - Input soft classes
   - Badge soft variants
   - Nav pills modern
   - Table modern
   - Empty states
   - Release/entity cards
   - Tag styles
   - Modal styles
   ============================================ */

/* ============================================
   SOFT COMPONENT CLASSES
   ============================================ */

/* Card Soft - Friendly rounded cards */
.card-soft {
    background: var(--surface);
    border: 1px solid var(--border-soft);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
}

.card-soft:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

/* Stat Card - For dashboard statistics */
.stat-card {
    background: var(--surface);
    border: 1px solid var(--border-soft);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    display: flex;
    align-items: center;
    gap: var(--space-md);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.stat-card .stat-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    background: var(--primary-soft);
    color: var(--primary);
}

.stat-card .stat-content {
    flex: 1;
    min-width: 0;
}

.stat-card .stat-number {
    font-size: 1.75rem;
    font-weight: 800;
    line-height: 1.2;
    color: var(--text-primary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.stat-card .stat-label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* Button Soft - Friendly buttons */
.btn-soft {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: 10px 20px;
    font-family: inherit;
    font-size: 0.9375rem;
    font-weight: 600;
    line-height: 1.4;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
}

.btn-soft:active {
    transform: scale(0.98);
}

.btn-soft-primary {
    background: var(--primary);
    color: var(--text-inverse);
}

.btn-soft-primary:hover {
    background: var(--primary-hover);
    box-shadow: var(--shadow-md);
}

.btn-soft-secondary {
    background: var(--surface);
    color: var(--text-primary);
    border: 1px solid var(--border);
}

.btn-soft-secondary:hover {
    background: var(--surface-hover);
    border-color: var(--border);
}

.btn-soft-success {
    background: var(--success);
    color: white;
}

.btn-soft-success:hover {
    filter: brightness(1.1);
}

.btn-soft-danger {
    background: var(--danger-soft);
    color: var(--danger-text);
}

.btn-soft-danger:hover {
    background: var(--danger);
    color: white;
}

/* Input Soft - Friendly form inputs */
.input-soft {
    width: 100%;
    padding: 12px 16px;
    font-family: inherit;
    font-size: 0.9375rem;
    color: var(--text-primary);
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.input-soft:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-soft);
}

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

/* Inline Action Loading Shell - shared button/action busy state */
.inline-action-loading {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    width: 100%;
}

.inline-action-loading__spinner {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.inline-action-loading__spinner .spinner-border {
    width: 1rem;
    height: 1rem;
}

.inline-action-loading__label {
    line-height: 1;
    white-space: nowrap;
}

/* Loading State Shell - shared larger loading placeholders */
.loading-state-shell {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 60px 20px;
    color: var(--text-secondary);
    text-align: center;
}

.loading-state-shell--compact {
    padding: 32px 16px;
    gap: 10px;
}

.loading-state-shell__spinner {
    display: flex;
    align-items: center;
    justify-content: center;
}

.loading-state-shell__spinner .spinner-border {
    width: 48px;
    height: 48px;
    border-width: 4px;
}

.loading-state-shell--compact .loading-state-shell__spinner .spinner-border {
    width: 32px;
    height: 32px;
    border-width: 3px;
}

.loading-state-shell__message {
    margin: 0;
    font-size: 0.95rem;
    color: var(--text-secondary);
}

/* Release Notes Panel Shell - shared inline release notes surface */
.release-notes-panel-shell {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    padding: var(--space-md);
    background: var(--surface);
    border: 1px solid var(--border-soft);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

.release-notes-panel-shell__header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: var(--space-md);
}

.release-notes-panel-shell__file {
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
    min-width: 0;
    flex: 1;
}

.release-notes-panel-shell__icon {
    color: var(--primary);
    font-size: 1.125rem;
    flex-shrink: 0;
    margin-top: 0.125rem;
}

.release-notes-panel-shell__file-content {
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.release-notes-panel-shell__file-name {
    color: var(--text-primary);
    word-break: break-word;
}

.release-notes-panel-shell__file-size {
    color: var(--text-muted);
    font-size: 0.875rem;
}

.release-notes-panel-shell__meta {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.release-notes-panel-shell__actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
    justify-content: flex-end;
}

.release-notes-panel-shell__secondary {
    padding-top: var(--space-sm);
    border-top: 1px solid var(--border-soft);
}

.release-notes-panel-shell--empty .release-notes-panel-shell__secondary,
.release-notes-panel-shell--error .release-notes-panel-shell__secondary {
    padding-top: 0;
    border-top: 0;
}

/* Release Notes Viewer Shell - shared preview body frame */
.release-notes-viewer-shell {
    display: flex;
    flex-direction: column;
    height: 100%;
    min-height: 0;
    padding: var(--space-md);
    background: var(--surface);
    border: 1px solid var(--border-soft);
    border-radius: var(--radius-md);
}

.release-notes-viewer-shell__body {
    flex: 1;
    min-height: 0;
}

.release-notes-viewer-shell--iframe .release-notes-viewer-shell__body,
.release-notes-viewer-shell--iframe iframe {
    height: 100%;
}

/* Calendar Search Surface - anchored grouped search results for calendar */
.calendar-search-surface {
    position: relative;
    padding: 16px 0;
    margin-bottom: 8px;
}

.calendar-search-surface__results {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 500px;
    max-width: calc(100vw - 48px);
    max-height: 450px;
    overflow-y: auto;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    z-index: 1050;
    margin-top: 4px;
}

.calendar-search-surface__results.show {
    display: block;
}

.calendar-search-surface__section-header {
    padding: 10px 16px;
    background: var(--surface-hover);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border-soft);
    position: sticky;
    top: 0;
    z-index: 1;
}

.calendar-search-surface__result-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 12px 16px;
    cursor: pointer;
    border-bottom: 1px solid var(--border-soft);
    transition: background var(--transition-fast);
}

.calendar-search-surface__result-item:last-child {
    border-bottom: none;
}

.calendar-search-surface__result-item:hover {
    background: var(--primary-light);
}

.calendar-search-surface__result-icon {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 1rem;
}

.calendar-search-surface__result-content {
    flex: 1;
    min-width: 0;
}

.calendar-search-surface__result-title {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 2px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.calendar-search-surface__result-meta {
    font-size: 0.8125rem;
    color: var(--text-secondary);
}

.calendar-search-surface__empty {
    padding: 32px 24px;
    text-align: center;
    color: var(--text-muted);
}

.calendar-search-surface__empty i {
    font-size: 2rem;
    margin-bottom: 8px;
    display: block;
    opacity: 0.5;
}

.calendar-search-surface__loading {
    padding: 24px;
    text-align: center;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.calendar-search-surface__more {
    padding: 8px 16px;
    font-size: 0.8125rem;
    color: var(--text-muted);
    font-style: italic;
}

[data-theme="dark"] .calendar-search-surface__results {
    background: var(--surface-elevated);
    border-color: var(--border);
}

[data-theme="dark"] .calendar-search-surface__section-header {
    background: var(--surface);
}

[data-theme="dark"] .calendar-search-surface__result-item:hover {
    background: rgba(0, 120, 212, 0.15);
}

@media (max-width: 768px) {
    .release-notes-panel-shell__header {
        flex-direction: column;
        align-items: stretch;
    }

    .release-notes-panel-shell__actions {
        justify-content: flex-start;
    }

    .calendar-search-surface__results {
        width: 100%;
        max-width: none;
    }
}

/* Badge Soft - Pill-shaped badges */
.badge-soft {
    display: inline-flex;
    align-items: center;
    padding: 4px 12px;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    white-space: nowrap;
}

.badge-soft-primary {
    background: var(--primary-soft);
    color: var(--primary);
}

.badge-soft-success {
    background: var(--success-soft);
    color: var(--success-text);
}

.badge-soft-warning {
    background: var(--warning-soft);
    color: var(--warning-text);
}

.badge-soft-danger {
    background: var(--danger-soft);
    color: var(--danger-text);
}

.badge-soft-info {
    background: var(--info-soft);
    color: var(--info-text);
}

/* Nav Pills Modern - Pill-style tabs */
.nav-pills-modern {
    display: flex;
    gap: var(--space-sm);
    padding: var(--space-xs);
    background: var(--surface);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-soft);
}

.nav-pills-modern .nav-link {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 10px 18px;
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--text-secondary);
    background: transparent;
    border: none;
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    text-decoration: none;
}

.nav-pills-modern .nav-link:hover {
    color: var(--primary);
    background: var(--primary-light);
}

.nav-pills-modern .nav-link.active {
    color: var(--text-inverse);
    background: var(--primary);
    box-shadow: var(--shadow-sm);
}

.nav-pills-modern .nav-link i {
    font-size: 1rem;
}

/* Table Modern - Soft table styling */
.table-modern {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    background: var(--surface);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.table-modern thead th {
    padding: 14px 16px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-secondary);
    background: var(--surface-hover);
    border-bottom: 1px solid var(--border);
    text-align: left;
}

.table-modern tbody td {
    padding: 14px 16px;
    font-size: 0.9375rem;
    color: var(--text-primary);
    background: var(--surface);
    border-bottom: 1px solid var(--border-soft);
    vertical-align: middle;
}

.table-modern tbody tr:last-child td {
    border-bottom: none;
}

.table-modern tbody tr {
    transition: background var(--transition-fast);
}

.table-modern tbody tr:hover {
    background: var(--primary-light);
}

/* Empty State - Friendly empty states */
.empty-state-soft {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--space-2xl) var(--space-lg);
    text-align: center;
}

.empty-state-soft .empty-icon {
    width: 80px;
    height: 80px;
    margin-bottom: var(--space-lg);
    border-radius: var(--radius-full);
    background: var(--primary-soft);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--primary);
}

.empty-state-soft .empty-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-sm);
}

.empty-state-soft .empty-description {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    max-width: 320px;
}

/* Empty State Shell - shared empty placeholders */
.empty-state-shell {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-2xl) var(--space-lg);
    text-align: center;
    color: var(--text-secondary);
}

.empty-state-shell--compact {
    padding: var(--space-xl) var(--space-lg);
}

.empty-state-shell__icon {
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
}

.empty-state-shell__icon i {
    font-size: 3rem;
    line-height: 1;
}

.empty-state-shell__title {
    margin: 0;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
}

.empty-state-shell__description {
    margin: 0;
    max-width: 420px;
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.empty-state-shell__actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    margin-top: var(--space-sm);
}

/* Section Header Shell - shared top-row layout */
.section-header-shell {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 20px;
}

.section-header-shell__main {
    display: flex;
    align-items: center;
    gap: 12px;
    flex: 1 1 auto;
    min-width: 0;
}

.section-header-shell__title {
    margin: 0;
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--text-primary);
}

.section-header-shell__meta {
    margin: 0;
    font-size: 0.9375rem;
    color: var(--text-secondary);
}

.section-header-shell__actions {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    flex-wrap: wrap;
    gap: 12px;
}

.section-header-shell__actions:empty {
    display: none;
}

/* Search Control Shell - shared search input framing */
.search-control-shell {
    position: relative;
    display: inline-flex;
    align-items: center;
    width: 100%;
    max-width: 280px;
}

.search-control-shell--toolbar {
    flex: 1 1 240px;
    min-width: 180px;
    max-width: 320px;
}

.search-control-shell__icon {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: 0.875rem;
    transition: color var(--transition-base), transform var(--transition-base);
    pointer-events: none;
    z-index: 1;
}

.search-control-shell:focus-within .search-control-shell__icon {
    color: var(--primary);
    transform: translateY(-50%) scale(1.05);
}

.search-control-shell__input {
    width: 100%;
}

/* Detail Section Shell - shared interior panel framing */
.detail-section-shell {
    background: var(--surface);
    border: 1px solid var(--border-soft);
    border-radius: var(--radius-md);
    padding: 1rem;
    margin-bottom: 1rem;
}

.detail-section-shell__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border-soft);
}

.detail-section-shell__title {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex: 1 1 auto;
    min-width: 0;
    margin: 0;
    font-weight: 600;
    color: var(--text-primary);
}

.detail-section-shell__title > * {
    margin: 0;
}

.detail-section-shell__meta {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.detail-section-shell__actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.detail-section-shell__body {
    min-width: 0;
}

/* Expanded Detail Shell - shared release/detail expansion framing */
.expanded-detail-shell {
    background: var(--surface);
    border: 1px solid var(--border-soft);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-xs);
}

.expanded-detail-shell__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    padding: 1rem 1rem 0;
}

.expanded-detail-shell__body {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    min-width: 0;
    padding: 1rem;
}

.nested-detail-state {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    padding: 0.75rem;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.nested-detail-state--empty {
    color: var(--text-muted);
    font-style: italic;
}

.nested-detail-state--error {
    color: var(--danger-text);
}

.nested-detail-state__message {
    line-height: 1.4;
}

/* Modal Shell - shared modal frame */
.modal-shell {
    border-radius: var(--radius-lg);
    border: none;
    box-shadow: var(--shadow-xl);
    overflow: hidden;
}

.modal-shell-header {
    background-color: var(--primary);
    color: white;
    border-bottom: none;
    padding: 1.25rem 1.5rem;
}

.modal-shell-header .modal-title {
    font-weight: 700;
}

.modal-shell-header .btn-close {
    filter: brightness(0) invert(1);
}

.modal-shell-body {
    padding: 1.5rem;
}

.modal-shell-footer {
    border-top: 1px solid var(--border-soft);
    padding: 1rem 1.5rem;
}

/* Cards and Entity Blocks - Soft styling */
.release-card,
.entity-card {
    background-color: var(--surface);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-soft);
    transition: all var(--transition-base);
    margin-bottom: var(--space-lg);
}

.release-card:hover,
.entity-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

/* Tag Styles - Soft pills */
.tag {
    display: inline-block;
    padding: 4px 10px;
    font-size: 0.75rem;
    font-weight: 600;
    line-height: 1.2;
    text-align: center;
    white-space: nowrap;
    vertical-align: baseline;
    border-radius: var(--radius-full);
    margin-right: 6px;
    margin-bottom: 6px;
    background-color: var(--surface-hover);
    color: var(--text-secondary);
}

/* Calendar Event Base */
.fc-event {
    cursor: pointer;
    padding: 4px 6px;
    border-radius: var(--radius-sm) !important;
}

.fc-event-title {
    font-weight: 700;
}

/* Dark mode cards and panels */
[data-theme="dark"] .card,
[data-theme="dark"] .modal-shell {
    background-color: var(--surface);
    color: var(--text-primary);
    border: 1px solid var(--border);
}