/* ══════════════════════════════════════════════════════════════
   DESIGN TOKENS
   ══════════════════════════════════════════════════════════════ */

:root {
    /* ── Primary palette (dim blue) ── */
    --color-primary:          #2b4c7e;
    --color-primary-hover:    #1e3a5f;
    --color-primary-subtle:   #e8eef5;
    --color-primary-ring:     rgba(43, 76, 126, 0.12);

    /* ── Semantic colors ── */
    --color-danger:           #c0392b;
    --color-danger-hover:     #a93226;
    --color-danger-subtle:    #fff0f0;
    --color-danger-border:    #fad4d4;
    --color-success:          #1a7f3c;
    --color-success-subtle:   #edfbf1;
    --color-success-border:   #b7ebc8;
    --color-warning:          #b45309;
    --color-warning-subtle:   #fef3e2;
    --color-error:            #e50000;

    /* ── Surfaces ── */
    --bg-page:                #ffffff;
    --bg-surface:             #fafafa;
    --bg-elevated:            #f3f4f6;
    --bg-overlay:             rgba(0, 0, 0, 0.4);

    /* ── Text ── */
    --text-primary:           #1a1a1a;
    --text-secondary:         #555;
    --text-tertiary:          #666;
    --text-muted:             #767676;
    --text-faint:             #767676;
    --text-on-primary:        #ffffff;
    --text-on-danger:         #ffffff;

    /* ── Borders ── */
    --border-default:         #e5e7eb;
    --border-input:           #d1d5db;

    /* ── Sidebar ── */
    --sidebar-bg:             #1a2744;
    --sidebar-bg-end:         #1e2d4d;
    --sidebar-text:           #e1e1e1;
    --sidebar-text-active:    #ffffff;
    --sidebar-hover:          rgba(255, 255, 255, 0.1);
    --sidebar-active:         rgba(255, 255, 255, 0.15);
    --sidebar-border:         rgba(255, 255, 255, 0.12);

    /* ── Typography scale ── */
    --text-xs:   0.75rem;
    --text-sm:   0.85rem;
    --text-base: 0.95rem;
    --text-lg:   1.15rem;
    --text-xl:   1.5rem;
    --text-2xl:  1.75rem;

    /* ── Radius ── */
    --radius-sm:   4px;
    --radius-md:   8px;
    --radius-lg:   12px;
    --radius-full: 50%;

    /* ── Shadows ── */
    --shadow-sm:  0 1px 3px rgba(0, 0, 0, 0.08);
    --shadow-md:  0 4px 12px rgba(0, 0, 0, 0.08);
    --shadow-lg:  0 8px 30px rgba(0, 0, 0, 0.15);

    /* ── Transitions ── */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.2s ease;

    /* ── Spacing (reference, not enforced) ── */
    --space-xs:  0.25rem;
    --space-sm:  0.5rem;
    --space-md:  0.75rem;
    --space-lg:  1.25rem;
    --space-xl:  2rem;
}


/* ══════════════════════════════════════════════════════════════
   BASE RESET & TYPOGRAPHY
   ══════════════════════════════════════════════════════════════ */

html, body {
    font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
    color: var(--text-primary);
    background: var(--bg-page);
}

.skip-nav-link {
    position: absolute;
    top: -100%;
    left: 0;
    z-index: 1000;
    padding: 0.5rem 1rem;
    background: var(--color-primary);
    color: #fff;
    text-decoration: none;
    font-weight: 600;
}

.skip-nav-link:focus {
    top: 0;
}

a, .btn-link {
    color: var(--color-primary);
}

h1:focus {
    outline: none;
}

.content {
    padding-top: 1.1rem;
}

/* ── Screen-reader-only utility ── */

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


/* ══════════════════════════════════════════════════════════════
   SHARED COMPONENT CLASSES
   ══════════════════════════════════════════════════════════════ */

/* ── Buttons (base) ── */

.btn-primary,
.btn-save {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.55rem 1.5rem;
    font-size: var(--text-base);
    font-weight: 600;
    color: var(--text-on-primary);
    background: var(--color-primary);
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    text-decoration: none;
    font-family: inherit;
    transition: background var(--transition-fast), opacity var(--transition-fast);
}

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

.btn-primary:disabled,
.btn-save:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem 1.25rem;
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--text-primary);
    background: var(--bg-elevated);
    border: 1.5px solid var(--border-input);
    border-radius: var(--radius-md);
    cursor: pointer;
    text-decoration: none;
    font-family: inherit;
    transition: border-color var(--transition-fast);
}

.btn-secondary:hover {
    border-color: var(--color-primary);
}

.btn-cancel {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem 1.25rem;
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--text-primary);
    background: var(--bg-elevated);
    border: 1.5px solid var(--border-input);
    border-radius: var(--radius-md);
    cursor: pointer;
    text-decoration: none;
    font-family: inherit;
    transition: background var(--transition-fast);
}

.btn-cancel:hover {
    background: var(--border-default);
}

.btn-danger {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.55rem 1.25rem;
    font-size: var(--text-base);
    font-weight: 600;
    color: var(--text-on-danger);
    background: var(--color-danger);
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    font-family: inherit;
    transition: background var(--transition-fast), opacity var(--transition-fast);
}

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

.btn-danger:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.btn-outline {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    padding: 0.45rem 1rem;
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-primary);
    background: var(--bg-page);
    border: 1.5px solid var(--color-primary);
    border-radius: var(--radius-md);
    cursor: pointer;
    text-decoration: none;
    font-family: inherit;
    transition: all var(--transition-fast);
}

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

.btn-outline:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* ── Cards (base) ── */

.card {
    display: block;
    padding: 1rem 1.25rem;
    background: var(--bg-page);
    border: 1.5px solid var(--border-default);
    border-radius: var(--radius-md);
    text-decoration: none;
    color: inherit;
    transition: border-color var(--transition-fast);
}

.card:hover {
    border-color: var(--color-primary);
}

/* ── Badges ── */

.badge {
    display: inline-block;
    font-size: var(--text-xs);
    font-weight: 600;
    padding: 0.15rem 0.5rem;
    border-radius: var(--radius-sm);
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.badge-success { background: var(--color-success-subtle); color: var(--color-success); }
.badge-warning { background: var(--color-warning-subtle); color: var(--color-warning); }
.badge-danger  { background: var(--color-danger-subtle);  color: var(--color-danger); }
.badge-info    { background: var(--color-primary-subtle); color: var(--color-primary); }

/* ── Visibility badges (aliased to badge system) ── */

.visibility-badge {
    flex-shrink: 0;
    font-size: var(--text-xs);
    font-weight: 600;
    padding: 0.15rem 0.5rem;
    border-radius: var(--radius-sm);
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.badge-public  { background: var(--color-success-subtle); color: var(--color-success); }
.badge-private { background: var(--color-warning-subtle); color: var(--color-warning); }

/* ── Tag chips ── */

.tag-chip {
    font-size: var(--text-xs);
    padding: 0.15rem 0.55rem;
    background: var(--color-primary-subtle);
    color: var(--color-primary);
    border-radius: var(--radius-sm);
    font-weight: 500;
}

/* ── Form fields ── */

.field {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.field-label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
}

.field-input {
    width: 100%;
    padding: 0.6rem 0.85rem;
    font-size: var(--text-base);
    color: var(--text-primary);
    background: var(--bg-page);
    border: 1.5px solid var(--border-input);
    border-radius: var(--radius-md);
    outline: none;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    font-family: inherit;
}

.field-input:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-ring);
}

.field-textarea {
    resize: vertical;
    min-height: 100px;
}

.field-error {
    font-size: 0.8rem;
    color: var(--color-danger);
}

.field-hint {
    font-size: var(--text-xs);
    color: var(--text-muted);
}

.field-optional {
    font-weight: 400;
    color: var(--text-muted);
    font-size: var(--text-sm);
}


/* ══════════════════════════════════════════════════════════════
   VALIDATION
   ══════════════════════════════════════════════════════════════ */

.valid.modified:not([type=checkbox]) {
    outline: 1px solid var(--color-success);
}

.invalid {
    outline: 1px solid var(--color-error);
}

.validation-message {
    color: var(--color-error);
}

.btn:focus, .btn:active:focus, .btn-link.nav-link:focus, .form-control:focus, .form-check-input:focus {
    box-shadow: 0 0 0 0.1rem white, 0 0 0 0.25rem var(--color-primary);
}

.darker-border-checkbox.form-check-input {
    border-color: #929292;
}

.form-floating > .form-control-plaintext::placeholder, .form-floating > .form-control::placeholder {
    color: var(--bs-secondary-color);
    text-align: end;
}

.form-floating > .form-control-plaintext:focus::placeholder, .form-floating > .form-control:focus::placeholder {
    text-align: start;
}


/* ══════════════════════════════════════════════════════════════
   BLAZOR ERROR BOUNDARY
   ══════════════════════════════════════════════════════════════ */

.blazor-error-boundary {
    background: url(data:image/svg+xml;base64,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) no-repeat 1rem/1.8rem, #b32121;
    padding: 1rem 1rem 1rem 3.7rem;
    color: white;
}

.blazor-error-boundary::after {
    content: "An error has occurred."
}


/* ══════════════════════════════════════════════════════════════
   LOADING & STATUS
   ══════════════════════════════════════════════════════════════ */

/* ── Loading spinner ── */

.loading-area {
    display: flex;
    justify-content: center;
    padding: 4rem 0;
}

.spinner {
    width: 2rem;
    height: 2rem;
    border: 3px solid var(--color-primary-ring);
    border-top-color: var(--color-primary);
    border-radius: var(--radius-full);
    animation: spin 0.7s linear infinite;
}

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

/* ── Error / empty states ── */

.error-state {
    text-align: center;
    padding: 4rem;
    color: var(--text-tertiary);
    font-size: 1.1rem;
}

.placeholder-page {
    max-width: 720px;
    margin: 0 auto;
    padding: var(--space-xl) 0 3rem;
}

.placeholder-text {
    color: var(--text-muted);
    font-size: var(--text-base);
}

/* ── Status banners ── */

.save-banner {
    padding: var(--space-md) 1rem;
    border-radius: var(--radius-md);
    font-size: var(--text-sm);
    font-weight: 500;
}

.banner-ok {
    background: var(--color-success-subtle);
    color: var(--color-success);
    border: 1px solid var(--color-success-border);
}

.banner-err {
    background: var(--color-danger-subtle);
    color: var(--color-danger);
    border: 1px solid var(--color-danger-border);
}


/* ══════════════════════════════════════════════════════════════
   TOGGLE SWITCH
   ══════════════════════════════════════════════════════════════ */

.toggle-row {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    cursor: pointer;
    user-select: none;
}

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

.toggle-track {
    position: relative;
    display: inline-block;
    width: 44px;
    height: 24px;
    background: var(--border-input);
    border-radius: var(--radius-lg);
    flex-shrink: 0;
    transition: background var(--transition-normal);
}

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

.toggle-input:disabled + .toggle-track {
    opacity: 0.5;
}

.toggle-thumb {
    position: absolute;
    top: 3px;
    left: 3px;
    width: 18px;
    height: 18px;
    background: var(--bg-page);
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-normal);
}

.toggle-input:checked + .toggle-track .toggle-thumb {
    transform: translateX(20px);
}

.toggle-desc {
    font-size: var(--text-sm);
    color: var(--text-secondary);
    line-height: 1.4;
}

.toggle-desc strong {
    color: var(--text-primary);
}


/* Pagination: handled by <Pager> component (Pager.razor.css) */


/* ══════════════════════════════════════════════════════════════
   CONFIRM DIALOG
   ══════════════════════════════════════════════════════════════ */

.confirm-overlay {
    position: fixed;
    inset: 0;
    background: var(--bg-overlay);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.confirm-dialog {
    background: var(--bg-page);
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    max-width: 420px;
    width: 90%;
    box-shadow: var(--shadow-lg);
}

.confirm-text {
    font-size: var(--text-base);
    color: var(--text-primary);
    margin-bottom: 1.25rem;
    line-height: 1.5;
}

.confirm-actions {
    display: flex;
    justify-content: flex-end;
    gap: var(--space-md);
}


/* ══════════════════════════════════════════════════════════════
   SOCIAL / ENGAGEMENT
   ══════════════════════════════════════════════════════════════ */

/* ── Engagement buttons (Like / Bookmark) ── */

.engagement-bar {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: var(--space-md) 0;
    border-top: 1px solid var(--border-default);
    border-bottom: 1px solid var(--border-default);
    margin-bottom: var(--space-xl);
}

.engagement-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0.35rem 0.75rem;
    font-size: var(--text-sm);
    color: var(--text-tertiary);
    background: transparent;
    border: 1.5px solid var(--border-default);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: border-color var(--transition-fast), color var(--transition-fast);
    font-family: inherit;
}

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

.engagement-btn.engagement-active {
    color: var(--color-danger);
    border-color: var(--color-danger-border);
}

.engagement-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.engagement-icon {
    font-size: 1.05rem;
    line-height: 1;
}

.engagement-count {
    font-size: 0.82rem;
    font-weight: 500;
}

.engagement-stat {
    display: inline-flex;
    align-items: center;
    gap: 0.2rem;
    font-size: 0.78rem;
    color: var(--text-muted);
}

/* ── Follow button ── */

.follow-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0.3rem 0.6rem;
    color: var(--color-primary);
    background: var(--color-primary-subtle);
    border: 1px solid transparent;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: color var(--transition-fast), background var(--transition-fast), border-color var(--transition-fast);
    font-family: inherit;
}

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

.follow-btn-following {
    color: var(--text-on-primary);
    background: var(--color-primary);
}

.follow-btn-following:hover:not(:disabled) {
    background: var(--color-danger);
    border-color: var(--color-danger);
}

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

.follow-icon {
    width: 1rem;
    height: 1rem;
    flex-shrink: 0;
}

.follow-count {
    font-size: 0.75rem;
    font-weight: 500;
}


/* ══════════════════════════════════════════════════════════════
   ENTRY CARD
   ══════════════════════════════════════════════════════════════ */

.entry-card {
    display: block;
    padding: 1rem 1.25rem;
    background: var(--bg-page);
    border: 1.5px solid var(--border-default);
    border-radius: var(--radius-md);
    text-decoration: none;
    color: inherit;
    transition: border-color var(--transition-fast);
}

.entry-card:hover,
.entry-card:focus-visible {
    border-color: var(--color-primary);
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

.entry-card-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 0.35rem;
}

.entry-card-meta {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.82rem;
    color: var(--text-muted);
    flex-wrap: wrap;
}

.entry-card-author {
    font-weight: 500;
    color: var(--text-secondary);
}

.entry-card-author-link {
    text-decoration: none;
    color: var(--text-secondary);
}

.entry-card-author-link:hover {
    color: var(--color-primary);
    text-decoration: underline;
}

.entry-card-collection {
    color: var(--color-primary);
}

.entry-card-collection-link {
    text-decoration: none;
    color: var(--color-primary);
}

.entry-card-collection-link:hover {
    text-decoration: underline;
}

.entry-card-date {
    color: var(--text-faint);
}

.entry-card-excerpt {
    margin: 0.4rem 0 0;
    font-size: var(--text-sm);
    color: var(--text-secondary);
    line-height: 1.45;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.entry-card-tags {
    display: flex;
    gap: 0.35rem;
    flex-wrap: wrap;
    margin-top: var(--space-sm);
}

/* ── Shared stat display (likes, views, counts) ── */

.stat-bar {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.78rem;
    color: var(--text-muted);
}

.stat-item {
    display: inline-flex;
    align-items: center;
    gap: 0.2rem;
}

.stat-icon {
    font-size: 0.85rem;
    line-height: 1;
}

.stat-item-active .stat-icon {
    color: var(--color-danger);
}

.entry-card-stats,
.entry-card .stat-bar {
    margin-top: var(--space-sm);
}

.entry-card-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}


/* ══════════════════════════════════════════════════════════════
   FILTER BAR & TABS
   ══════════════════════════════════════════════════════════════ */

.filter-bar {
    display: flex;
    gap: 0.35rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 0.35rem 0.85rem;
    font-size: 0.82rem;
    font-weight: 500;
    color: var(--text-tertiary);
    background: var(--bg-elevated);
    border: 1.5px solid var(--border-default);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    font-family: inherit;
}

.filter-btn:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.filter-btn.filter-active {
    background: var(--color-primary);
    color: var(--text-on-primary);
    border-color: var(--color-primary);
}

/* ── Tab navigation ── */

.tab-nav {
    display: flex;
    gap: 0;
    border-bottom: 2px solid var(--border-default);
    margin-bottom: 1.5rem;
}

.tab-btn {
    padding: 0.6rem 1.25rem;
    min-height: 44px;
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--text-tertiary);
    background: transparent;
    border: none;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    cursor: pointer;
    transition: color var(--transition-fast), border-color var(--transition-fast);
    font-family: inherit;
}

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

.tab-btn.tab-active {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
    font-weight: 600;
}


/* ══════════════════════════════════════════════════════════════
   COLLECTION CARD
   ══════════════════════════════════════════════════════════════ */

.collection-card {
    display: block;
    padding: 1rem 1.25rem;
    background: var(--bg-page);
    border: 1.5px solid var(--border-default);
    border-radius: var(--radius-md);
    text-decoration: none;
    color: inherit;
    transition: border-color var(--transition-fast);
}

.collection-card:hover {
    border-color: var(--color-primary);
}

.collection-card-name {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 0.25rem;
}

.collection-card-meta {
    font-size: 0.82rem;
    color: var(--text-muted);
    display: flex;
    gap: var(--space-md);
}

.collection-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-sm);
    margin-bottom: 0.25rem;
}

.collection-card-header .collection-card-name {
    margin: 0;
}

.collection-card-owner {
    font-size: 0.82rem;
    color: var(--text-muted);
}

.collection-card-owner-link {
    text-decoration: none;
    color: var(--text-secondary);
}

.collection-card-owner-link:hover {
    color: var(--color-primary);
    text-decoration: underline;
}

.collection-card-desc {
    font-size: var(--text-sm);
    color: var(--text-tertiary);
    margin: 0.4rem 0 0;
    line-height: 1.4;
}

.collection-card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
    margin-top: 0.4rem;
}


/* ══════════════════════════════════════════════════════════════
   TAG CLOUD
   ══════════════════════════════════════════════════════════════ */

.tag-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
}

.tag-cloud-item {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0.5rem 0.75rem;
    min-height: 44px;
    font-size: var(--text-sm);
    color: var(--color-primary);
    background: var(--color-primary-subtle);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-md);
    text-decoration: none;
    transition: background var(--transition-fast);
    cursor: pointer;
}

.tag-cloud-item:hover {
    background: var(--border-default);
}

.tag-cloud-count {
    font-size: var(--text-xs);
    color: var(--text-muted);
    font-weight: 500;
}

/* ── Inline ad placement ── */

.feed-ad {
    display: flex;
    justify-content: center;
    margin: 1.5rem 0;
}


/* ══════════════════════════════════════════════════════════════
   REPORT DIALOG
   ══════════════════════════════════════════════════════════════ */

.report-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.report-dialog {
    background: var(--bg-page);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    width: 100%;
    max-width: 420px;
    box-shadow: var(--shadow-lg, 0 8px 30px rgba(0,0,0,0.15));
}

.report-dialog-title {
    font-size: var(--text-lg);
    font-weight: 700;
    margin: 0 0 1rem;
}

.report-reasons {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.report-reason-option {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.92rem;
    cursor: pointer;
    padding: 0.35rem 0;
}

.report-reason-option input[type="radio"] {
    accent-color: var(--color-primary);
}

.report-desc-label {
    display: block;
    font-size: var(--text-sm);
    color: var(--text-muted);
    margin-bottom: 0.35rem;
}

.report-actions {
    display: flex;
    justify-content: flex-end;
    gap: 0.5rem;
    margin-top: 0.75rem;
}

.report-success {
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.btn-report {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.2rem 0.5rem;
    font-size: var(--text-xs);
    font-weight: 500;
    color: var(--text-muted);
    background: none;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: color var(--transition-fast);
    font-family: inherit;
}

.btn-report:hover {
    color: var(--color-danger);
}

.btn-report svg {
    width: 0.85rem;
    height: 0.85rem;
}


/* ══════════════════════════════════════════════════════════════
   COMMENTS (shared — CommentSection / CommentItem)
   ══════════════════════════════════════════════════════════════ */

.comments-section {
    border-top: 1px solid var(--border-default);
    padding-top: 2rem;
}

.comments-title {
    font-size: var(--text-lg);
    font-weight: 700;
    color: var(--text-primary);
    margin: 0 0 1.25rem;
}

.comment-form {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 2rem;
}

.comment-input {
    width: 100%;
    padding: 0.6rem 0.85rem;
    font-size: 0.92rem;
    color: var(--text-primary);
    background: var(--bg-page);
    border: 1.5px solid var(--border-input);
    border-radius: var(--radius-md);
    outline: none;
    resize: vertical;
    min-height: 80px;
    font-family: inherit;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.comment-input:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-ring);
}

.comment-error {
    font-size: var(--text-sm);
    color: var(--color-danger);
}

.btn-comment {
    align-self: flex-end;
    padding: 0.45rem 1.15rem;
    font-size: var(--text-base);
    font-weight: 600;
    color: var(--bg-page);
    background: var(--color-primary);
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: background var(--transition-fast);
}

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

.btn-comment:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.login-prompt {
    font-size: var(--text-base);
    color: var(--text-muted);
    margin-bottom: 1.5rem;
}

.login-prompt a {
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 600;
}

.comment-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.comment-item {
    padding: 0.85rem 1rem;
    background: var(--bg-surface);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-md);
}

.comment-reply {
    margin-left: 2rem;
    border-left: 3px solid var(--color-primary-subtle);
}

.comment-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.35rem;
}

.comment-author-link {
    font-size: var(--text-base);
    font-weight: 600;
    color: var(--text-primary);
    text-decoration: none;
}

.comment-author-link:hover {
    color: var(--color-primary);
    text-decoration: underline;
}

.comment-date {
    font-size: var(--text-sm);
    color: var(--text-muted);
}

.comment-reply-to {
    font-size: var(--text-xs);
    color: var(--color-primary);
    font-weight: 500;
}

.comment-body {
    font-size: 0.92rem;
    color: var(--text-secondary);
    margin: 0;
    line-height: 1.5;
}

.comment-actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 0.35rem;
}

.btn-reply {
    padding: 0.25rem 0.5rem;
    font-size: var(--text-xs);
    font-weight: 500;
    color: var(--color-primary);
    background: transparent;
    border: 1px solid var(--color-primary-subtle);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: background var(--transition-fast);
}

.btn-reply:hover {
    background: var(--color-primary-subtle);
}

.btn-delete-comment {
    padding: 0.25rem 0.5rem;
    font-size: var(--text-xs);
    font-weight: 500;
    color: var(--color-danger);
    background: transparent;
    border: 1px solid var(--color-danger-border);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: background var(--transition-fast);
}

.btn-delete-comment:hover {
    background: var(--color-danger-subtle);
}

.comment-confirm {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.comment-confirm-text {
    font-size: var(--text-sm);
    color: var(--color-danger);
    font-weight: 500;
}

.reply-form {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    margin-top: 0.75rem;
    padding-top: 0.75rem;
    border-top: 1px solid var(--border-default);
}

.reply-input {
    min-height: 60px;
    font-size: var(--text-base);
}

.reply-actions {
    display: flex;
    justify-content: flex-end;
    gap: 0.5rem;
}

.btn-cancel-reply {
    padding: 0.35rem 0.85rem;
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--text-tertiary);
    background: transparent;
    border: 1px solid var(--border-input);
    border-radius: var(--radius-md);
    cursor: pointer;
}

.btn-cancel-reply:hover {
    background: var(--bg-elevated);
}

.no-comments {
    font-size: var(--text-base);
    color: var(--text-muted);
    text-align: center;
    padding: 2rem 0;
}


/* ══════════════════════════════════════════════════════════════
   PROFILE STATS
   ══════════════════════════════════════════════════════════════ */

.profile-stats {
    display: flex;
    gap: 1.25rem;
    margin-bottom: var(--space-md);
    font-size: var(--text-sm);
    color: var(--text-tertiary);
}

.profile-stats strong {
    color: var(--text-primary);
    font-weight: 600;
}


/* ══════════════════════════════════════════════════════════════
   PAGE TITLE
   ══════════════════════════════════════════════════════════════ */

.page-title {
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--text-primary);
    margin: 0 0 1.5rem;
}


/* ══════════════════════════════════════════════════════════════
   PAGE LAYOUTS
   ══════════════════════════════════════════════════════════════ */

/* ── Feed ── */

.feed-page {
    max-width: 700px;
    margin: 0 auto;
    padding: var(--space-xl) 0 3rem;
}

.feed-empty {
    text-align: center;
    padding: 4rem 1rem;
    color: var(--text-muted);
}

.feed-empty a {
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 600;
}

/* ── 404 ── */

.not-found-page {
    text-align: center;
    padding: 5rem 1rem;
    max-width: 480px;
    margin: 0 auto;
}

.not-found-title {
    font-size: 4rem;
    font-weight: 800;
    color: var(--text-muted);
    margin: 0 0 0.5rem;
    line-height: 1;
}

.not-found-message {
    font-size: 1.05rem;
    color: var(--text-tertiary);
    margin-bottom: var(--space-xl);
}

.not-found-actions {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
}

/* ── Landing ── */

.landing-page {
    text-align: center;
    padding: 4rem 1rem;
    max-width: 600px;
    margin: 0 auto;
}

.landing-title {
    font-size: var(--text-2xl) + 0.25rem;
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-md);
}

.landing-subtitle {
    font-size: 1.15rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--space-md);
}

.landing-desc {
    font-size: 0.95rem;
    color: var(--text-tertiary);
    line-height: 1.6;
    max-width: 520px;
    margin: 0 auto var(--space-xl);
}

.landing-actions {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
}

/* ── Bookmarks ── */

.bookmarks-page {
    max-width: 700px;
    margin: 0 auto;
    padding: var(--space-xl) 0 3rem;
}


/* ══════════════════════════════════════════════════════════════
   QUILL EDITOR OVERRIDES
   ══════════════════════════════════════════════════════════════ */

.ql-toolbar.ql-snow {
    border: 1.5px solid var(--border-input);
    border-radius: var(--radius-md) var(--radius-md) 0 0;
    background: var(--bg-surface);
    font-family: inherit;
}

.ql-container.ql-snow {
    border: 1.5px solid var(--border-input);
    border-top: none;
    border-radius: 0 0 var(--radius-md) var(--radius-md);
    font-family: inherit;
    font-size: var(--text-base);
    min-height: 250px;
}

.ql-editor {
    min-height: 250px;
    line-height: 1.7;
    color: var(--text-primary);
}

.ql-editor.ql-blank::before {
    color: var(--text-muted);
    font-style: normal;
}

.ql-snow .ql-stroke {
    stroke: var(--text-tertiary);
}

.ql-snow .ql-fill {
    fill: var(--text-tertiary);
}

.ql-snow .ql-picker {
    color: var(--text-tertiary);
}

.ql-snow.ql-toolbar button:hover,
.ql-snow.ql-toolbar button.ql-active,
.ql-snow.ql-toolbar .ql-picker-label:hover,
.ql-snow.ql-toolbar .ql-picker-item:hover,
.ql-snow.ql-toolbar .ql-picker-item.ql-selected {
    color: var(--color-primary);
}

.ql-snow.ql-toolbar button:hover .ql-stroke,
.ql-snow.ql-toolbar button.ql-active .ql-stroke {
    stroke: var(--color-primary);
}

.ql-snow.ql-toolbar button:hover .ql-fill,
.ql-snow.ql-toolbar button.ql-active .ql-fill {
    fill: var(--color-primary);
}


/* ══════════════════════════════════════════════════════════════
   AUTH PAGES
   ══════════════════════════════════════════════════════════════ */

.auth-page {
    max-width: 400px;
    margin: 2rem auto;
    padding: 0 1rem;
}

.auth-title {
    font-size: var(--text-2xl);
    font-weight: 700;
    margin: 0 0 0.25rem;
}

.auth-subtitle {
    color: var(--text-tertiary);
    margin: 0 0 1.5rem;
}

.auth-page .field {
    margin-bottom: 1rem;
}

.auth-errors {
    background: var(--color-danger-subtle);
    color: var(--color-danger);
    border: 1px solid var(--color-danger-border);
    border-radius: var(--radius-md);
    padding: var(--space-md) 1rem;
    margin-bottom: 1rem;
    font-size: var(--text-sm);
}

.auth-errors p {
    margin: 0;
}

.auth-errors p + p {
    margin-top: var(--space-xs);
}

.password-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.password-wrapper .field-input {
    padding-right: 2.5rem;
}

.password-toggle {
    position: absolute;
    right: 0.5rem;
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1.1rem;
    color: var(--text-muted);
    padding: 0.25rem;
    line-height: 1;
}

.password-toggle:hover {
    color: var(--text-secondary);
}

.auth-remember {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: var(--text-sm);
    color: var(--text-secondary);
    margin-bottom: 1.25rem;
    cursor: pointer;
}

.auth-submit {
    width: 100%;
    padding: 0.7rem;
    font-size: 1rem;
}

/* ── Social login buttons ── */

.auth-divider {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin: 1.25rem 0;
    color: var(--text-muted);
    font-size: var(--text-sm);
}

.auth-divider::before,
.auth-divider::after {
    content: "";
    flex: 1;
    height: 1px;
    background: var(--border-default);
}

.auth-social {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.btn-social {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    width: 100%;
    padding: 0.6rem 1rem;
    font-size: 0.92rem;
    font-weight: 500;
    border: 1.5px solid var(--border-input);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: border-color var(--transition-fast), background var(--transition-fast);
    font-family: inherit;
    background: var(--bg-page);
    color: var(--text-primary);
}

.btn-social:hover {
    border-color: var(--text-muted);
    background: var(--bg-surface);
}

.social-icon {
    width: 1.15rem;
    height: 1.15rem;
    flex-shrink: 0;
}

.btn-google:hover {
    border-color: #4285F4;
}

.btn-facebook:hover {
    border-color: #1877F2;
}

.auth-footer {
    text-align: center;
    margin-top: 1.5rem;
    font-size: var(--text-sm);
}

.auth-footer a {
    color: var(--color-primary);
    text-decoration: none;
}

.auth-footer a:hover {
    text-decoration: underline;
}

/* ══════════════════════════════════════════════════════════════
   LEGAL PAGES (Privacy, Terms)
   ══════════════════════════════════════════════════════════════ */

.legal-page {
    max-width: 48rem;
    margin: 0 auto;
    padding: 2rem 1.5rem 4rem;
    color: var(--text-primary);
    line-height: 1.75;
}

.legal-page h1 {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.legal-updated {
    font-size: var(--text-sm);
    color: var(--text-muted);
    margin-bottom: 2rem;
}

.legal-page h2 {
    font-size: 1.15rem;
    font-weight: 600;
    margin-top: 2rem;
    margin-bottom: 0.5rem;
}

.legal-page h3 {
    font-size: 1rem;
    font-weight: 600;
    margin-top: 1.25rem;
    margin-bottom: 0.25rem;
}

.legal-page p {
    margin-bottom: 0.75rem;
}

.legal-page ul {
    margin: 0.5rem 0 1rem 1.5rem;
    padding: 0;
}

.legal-page li {
    margin-bottom: 0.35rem;
}

.legal-page a {
    color: var(--color-primary);
    text-decoration: none;
}

.legal-page a:hover {
    text-decoration: underline;
}