/**
 * Abstract Box — Admin Settings Styles
 *
 * Scoped entirely to .abstract-box-settings.
 * All colours use CSS custom properties defined on the wrapper —
 * no :root declarations, no hardcoded hex outside the token block,
 * no !important, no global element overrides.
 *
 * Conforms to design_system v1.0.0.
 *
 * @package AbstractBox
 * @since   2.1.8
 */

/* ═══════════════════════════════════════════════════════════════════
   DESIGN TOKENS — scoped to plugin wrapper only, never :root
   ═══════════════════════════════════════════════════════════════════ */

.abstract-box-settings {
    /* Brand palette */
    --ab-ui-navy:        #1B3C53;
    --ab-ui-teal:        #2E6A8E;
    --ab-ui-blue:        #3b82f6;
    --ab-ui-stone:       #C8BAB0;

    /* Semantic tokens — fall back to WP admin theme colour where useful */
    --ab-ui-accent:      var(--ab-ui-teal);
    --ab-ui-accent-dark: var(--ab-ui-navy);
    --ab-ui-surface:     #ffffff;
    --ab-ui-surface-2:   #f8fafc;
    --ab-ui-surface-3:   #f1f5f9;
    --ab-ui-border:      rgba(0, 0, 0, 0.08);
    --ab-ui-border-med:  #e2e8f0;
    --ab-ui-text-strong: #1e293b;
    --ab-ui-text-base:   #334155;
    --ab-ui-text-muted:  #64748b;
    --ab-ui-text-subtle: #94a3b8;
    --ab-ui-focus:       rgba(46, 106, 142, 0.20);

    /* Sizing */
    --ab-ui-radius-sm:   6px;
    --ab-ui-radius-md:   10px;
    --ab-ui-radius-lg:   14px;
    --ab-ui-radius-xl:   16px;

    max-width: 860px;
    margin-top: 0;
}

/* Hide WP default h1 — replaced by header card */
.abstract-box-settings > h1 {
    display: none;
}

/* ═══════════════════════════════════════════════════════════════════
   HEADER CARD
   ═══════════════════════════════════════════════════════════════════ */

.abstract-box-settings .ab-header {
    background: linear-gradient(
        135deg,
        var(--ab-ui-navy)   0%,
        var(--ab-ui-teal)  55%,
        var(--ab-ui-blue) 100%
    );
    border-radius: var(--ab-ui-radius-xl);
    padding: 28px 32px;
    margin-bottom: 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.abstract-box-settings .ab-header__left {
    display: flex;
    align-items: center;
    gap: 16px;
}

.abstract-box-settings .ab-header__icon {
    width: 48px;
    height: 48px;
    background: rgba(255, 255, 255, 0.15);
    border-radius: var(--ab-ui-radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.abstract-box-settings .ab-header__icon svg {
    width: 26px;
    height: 26px;
    fill: #ffffff;
}

.abstract-box-settings .ab-header__title {
    color: #ffffff;
    font-size: 22px;
    font-weight: 700;
    letter-spacing: -0.03em;
    margin: 0;
    line-height: 1.2;
}

.abstract-box-settings .ab-header__subtitle {
    color: rgba(255, 255, 255, 0.65);
    font-size: 13px;
    margin: 3px 0 0;
}

.abstract-box-settings .ab-header__meta {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}

.abstract-box-settings .ab-header__version {
    background: rgba(255, 255, 255, 0.15);
    color: rgba(255, 255, 255, 0.90);
    font-size: 12px;
    font-weight: 500;
    padding: 4px 10px;
    border-radius: 20px;
    letter-spacing: 0.02em;
}

/* ═══════════════════════════════════════════════════════════════════
   TAB NAVIGATION
   ═══════════════════════════════════════════════════════════════════ */

.abstract-box-settings .abstract-box-tabs {
    background: var(--ab-ui-surface);
    border: none;
    border-bottom: 1px solid var(--ab-ui-border-med);
    margin: 0;
    padding: 0 8px;
    display: flex;
    gap: 0;
    overflow-x: auto;
    scrollbar-width: none;
}

.abstract-box-settings .abstract-box-tabs::-webkit-scrollbar {
    display: none;
}

.abstract-box-settings .abstract-box-tabs .nav-tab {
    border: none;
    border-bottom: 2px solid transparent;
    background: transparent;
    color: var(--ab-ui-text-muted);
    font-weight: 500;
    font-size: 13px;
    padding: 13px 18px 11px;
    margin-bottom: -1px;
    margin-right: 0;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    white-space: nowrap;
    transition: color 0.15s ease, border-color 0.15s ease;
    box-shadow: none;
}

.abstract-box-settings .abstract-box-tabs .nav-tab svg {
    width: 15px;
    height: 15px;
    flex-shrink: 0;
    opacity: 0.65;
    transition: opacity 0.15s ease;
}

.abstract-box-settings .abstract-box-tabs .nav-tab:hover,
.abstract-box-settings .abstract-box-tabs .nav-tab:focus {
    background: transparent;
    color: var(--ab-ui-text-strong);
    border-bottom-color: var(--ab-ui-border-med);
    box-shadow: none;
}

.abstract-box-settings .abstract-box-tabs .nav-tab:hover svg,
.abstract-box-settings .abstract-box-tabs .nav-tab:focus svg {
    opacity: 1;
}

.abstract-box-settings .abstract-box-tabs .nav-tab-active,
.abstract-box-settings .abstract-box-tabs .nav-tab-active:hover,
.abstract-box-settings .abstract-box-tabs .nav-tab-active:focus {
    background: transparent;
    color: var(--ab-ui-accent-dark);
    border-bottom-color: var(--ab-ui-accent);
    font-weight: 600;
    box-shadow: none;
}

.abstract-box-settings .abstract-box-tabs .nav-tab-active svg {
    opacity: 1;
}

/* ═══════════════════════════════════════════════════════════════════
   TAB PANEL WRAPPER
   ═══════════════════════════════════════════════════════════════════ */

.abstract-box-settings .ab-tab-panel {
    background: var(--ab-ui-surface-3);
    border-radius: 0 0 var(--ab-ui-radius-xl) var(--ab-ui-radius-xl);
    padding: 24px;
}

/* ═══════════════════════════════════════════════════════════════════
   SETTINGS FORM — div-card layout (no form-table dependency)
   ═══════════════════════════════════════════════════════════════════ */

.abstract-box-settings .abstract-box-form {
    background: transparent;
    border: none;
    padding: 0;
}

/* Section label above a group of cards */
.abstract-box-settings .ab-section-label {
    font-size: 10px;
    font-weight: 700;
    color: var(--ab-ui-text-subtle);
    text-transform: uppercase;
    letter-spacing: 0.10em;
    margin: 20px 0 10px;
    padding: 0;
}

.abstract-box-settings .ab-section-label:first-child {
    margin-top: 0;
}

/* Individual setting card */
.abstract-box-settings .ab-field-card {
    background: var(--ab-ui-surface);
    border: 1px solid var(--ab-ui-border-med);
    border-radius: var(--ab-ui-radius-lg);
    padding: 16px 20px;
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.abstract-box-settings .ab-field-card:last-of-type {
    margin-bottom: 0;
}

/* Info-only card — no interactive control, used for inline help sections */
.abstract-box-settings .ab-info-card {
    background: var(--ab-ui-surface);
    border: 1px solid var(--ab-ui-border-med);
    border-radius: var(--ab-ui-radius-lg);
    padding: 16px 20px;
    margin-bottom: 8px;
}

.abstract-box-settings .ab-info-card:last-of-type {
    margin-bottom: 0;
}

/* ── Compact colour picker grid ────────────────────────────────── */

.abstract-box-settings .ab-colour-grid {
    padding: 4px 0;
}

.abstract-box-settings .ab-colour-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 20px;
    border-bottom: 1px solid var(--ab-ui-border-light);
}

.abstract-box-settings .ab-colour-row:last-child {
    border-bottom: none;
}

.abstract-box-settings .ab-colour-row__label {
    font-size: 13px;
    font-weight: 500;
    color: var(--ab-ui-text-base);
    margin: 0;
    cursor: default;
}

/* Keep the wp-color-picker widget tidy inside the row */
.abstract-box-settings .ab-colour-row .wp-picker-container {
    display: flex;
    align-items: center;
    gap: 6px;
}

.abstract-box-settings .ab-colour-row .wp-color-result {
    width: 36px;
    height: 26px;
    border-radius: var(--ab-ui-radius-sm);
    border: 1px solid var(--ab-ui-border-med);
    box-shadow: none;
    cursor: pointer;
}

.abstract-box-settings .ab-colour-row .wp-color-result-text {
    display: none;
}

/* ── Compact typography/shape grid ─────────────────────────────── */

.abstract-box-settings .ab-typo-grid {
    padding: 4px 0;
}

.abstract-box-settings .ab-typo-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 12px 20px;
}

.abstract-box-settings .ab-typo-row--bordered {
    border-top: 1px solid var(--ab-ui-border-light);
}

.abstract-box-settings .ab-typo-row__label {
    font-size: 13px;
    font-weight: 500;
    color: var(--ab-ui-text-base);
    margin: 0;
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.abstract-box-settings .ab-typo-row__hint {
    font-size: 11px;
    font-weight: 400;
    color: var(--ab-ui-text-subtle);
}

.abstract-box-settings .ab-typo-row__control {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-shrink: 0;
}

.abstract-box-settings .ab-typo-row__control .small-text {
    width: 56px;
    text-align: center;
}

.abstract-box-settings .ab-typo-row__control select {
    min-width: 180px;
}

.abstract-box-settings .ab-unit {
    font-size: 12px;
    color: var(--ab-ui-text-muted);
}

.abstract-box-settings .ab-info-card .ab-usage-steps {
    margin: 0 0 0 18px;
    padding: 0;
}

.abstract-box-settings .ab-info-card .ab-usage-steps li {
    font-size: 13px;
    color: var(--ab-ui-text-muted);
    line-height: 1.65;
    margin-bottom: 5px;
    padding-left: 2px;
}

.abstract-box-settings .ab-info-card .ab-usage-steps li:last-child {
    margin-bottom: 0;
}

.abstract-box-settings .ab-field-card:hover {
    border-color: var(--ab-ui-teal);
    box-shadow: 0 2px 10px rgba(27, 60, 83, 0.07);
}

/* Cards where the control stacks below the label (colour pickers, selects) */
.abstract-box-settings .ab-field-card--stacked {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
}

.abstract-box-settings .ab-field__meta {
    flex: 1;
    min-width: 0;
}

.abstract-box-settings .ab-field__label {
    font-weight: 600;
    color: var(--ab-ui-text-strong);
    font-size: 13.5px;
    display: block;
    margin: 0 0 2px;
}

.abstract-box-settings .ab-field__description {
    color: var(--ab-ui-text-subtle);
    font-size: 12px;
    line-height: 1.5;
    margin: 0;
    display: block;
}

.abstract-box-settings .ab-field__control {
    flex-shrink: 0;
}

.abstract-box-settings .ab-field-card--stacked .ab-field__control {
    width: 100%;
}

/* ── Toggle switch ─────────────────────────────────────────────── */

.abstract-box-settings .ab-toggle {
    position: relative;
    display: inline-block;
    width: 46px;
    height: 26px;
    flex-shrink: 0;
}

.abstract-box-settings .ab-toggle input[type="checkbox"] {
    opacity: 0;
    width: 0;
    height: 0;
    position: absolute;
}

.abstract-box-settings .ab-toggle__track {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.18);
    border-radius: 26px;
    cursor: pointer;
    transition: background 0.2s ease;
}

.abstract-box-settings .ab-toggle__track::after {
    content: '';
    position: absolute;
    top: 3px;
    left: 3px;
    width: 20px;
    height: 20px;
    background: #ffffff;
    border-radius: 50%;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.20);
    transition: transform 0.2s ease;
}

.abstract-box-settings .ab-toggle input:checked + .ab-toggle__track {
    background: var(--ab-ui-accent);
}

.abstract-box-settings .ab-toggle input:checked + .ab-toggle__track::after {
    transform: translateX(20px);
}

.abstract-box-settings .ab-toggle input:focus-visible + .ab-toggle__track {
    outline: 2px solid var(--ab-ui-accent);
    outline-offset: 2px;
}

/* ── Selects and text inputs ───────────────────────────────────── */

.abstract-box-settings .ab-field-card select,
.abstract-box-settings .ab-field-card input[type="text"],
.abstract-box-settings .ab-field-card input[type="number"] {
    border: 1.5px solid var(--ab-ui-border-med);
    border-radius: var(--ab-ui-radius-sm);
    padding: 7px 11px;
    font-size: 13px;
    color: var(--ab-ui-text-strong);
    background: var(--ab-ui-surface-2);
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
    max-width: 240px;
    width: 100%;
}

.abstract-box-settings .ab-field-card select:focus,
.abstract-box-settings .ab-field-card input[type="text"]:focus,
.abstract-box-settings .ab-field-card input[type="number"]:focus {
    border-color: var(--ab-ui-accent);
    background: var(--ab-ui-surface);
    box-shadow: 0 0 0 3px var(--ab-ui-focus);
    outline: none;
}

/* ── Visual selector cards (Box Style) ────────────────────────── */

.abstract-box-settings .ab-visual-selector {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
    width: 100%;
}

.abstract-box-settings .ab-visual-selector--5col {
    grid-template-columns: repeat(5, 1fr);
    gap: 8px;
}

.abstract-box-settings .ab-visual-selector--7col {
    grid-template-columns: repeat(7, 1fr);
    gap: 8px;
}

.abstract-box-settings .ab-visual-selector--8col {
    grid-template-columns: repeat(8, 1fr);
    gap: 8px;
}

.abstract-box-settings .ab-visual-option {
    position: relative;
}

.abstract-box-settings .ab-visual-option input[type="radio"] {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.abstract-box-settings .ab-visual-option__card {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    gap: 6px;
    padding: 10px 8px 12px;
    border: 1.5px solid var(--ab-ui-border-med);
    border-radius: var(--ab-ui-radius-md);
    background: var(--ab-ui-surface-2);
    cursor: pointer;
    transition: border-color 0.15s ease, background 0.15s ease, box-shadow 0.15s ease;
    text-align: center;
}

.abstract-box-settings .ab-visual-option__card:hover {
    border-color: var(--ab-ui-accent);
    background: var(--ab-ui-surface);
}

.abstract-box-settings .ab-visual-option input:checked + .ab-visual-option__card {
    border-color: var(--ab-ui-accent);
    background: var(--ab-ui-surface);
    box-shadow: 0 0 0 3px var(--ab-ui-focus);
}

.abstract-box-settings .ab-visual-option input:focus-visible + .ab-visual-option__card {
    outline: 2px solid var(--ab-ui-accent);
    outline-offset: 2px;
}

.abstract-box-settings .ab-visual-option__label {
    font-size: 12px;
    font-weight: 600;
    color: var(--ab-ui-text-base);
    line-height: 1.2;
}

.abstract-box-settings .ab-visual-option__sub {
    font-size: 10px;
    color: var(--ab-ui-text-subtle);
    line-height: 1.3;
}

/* ── Style mini-previews ───────────────────────────────────────── */

.abstract-box-settings .ab-style-preview {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 4px;
    width: 100%;
    height: 48px;
    border-radius: 6px;
    padding: 6px 8px;
    box-sizing: border-box;
    position: relative;
    overflow: hidden;
}

.abstract-box-settings .ab-style-preview__title {
    display: block;
    height: 5px;
    border-radius: 3px;
    background: var(--ab-ui-text-base);
    width: 55%;
    opacity: 0.5;
}

.abstract-box-settings .ab-style-preview__line {
    display: block;
    height: 3px;
    border-radius: 2px;
    background: var(--ab-ui-text-subtle);
    width: 90%;
    opacity: 0.35;
}

.abstract-box-settings .ab-style-preview__line--short {
    width: 70%;
}

/* Modern — gradient bg, left bar */
.abstract-box-settings .ab-style-preview--modern {
    background: linear-gradient(to right, #f0f4f8, #ffffff);
    border-left: 3px solid var(--ab-ui-teal);
}

/* Academic — flat, dotted border */
.abstract-box-settings .ab-style-preview--academic {
    background: #fafaf9;
    border: 1px dotted var(--ab-ui-text-subtle);
}

.abstract-box-settings .ab-style-preview--academic .ab-style-preview__title {
    text-transform: uppercase;
    letter-spacing: 1px;
    width: 45%;
}

/* Minimal — white, top accent line */
.abstract-box-settings .ab-style-preview--minimal {
    background: #ffffff;
    border-top: 2px solid var(--ab-ui-teal);
}

/* Card — white, shadow, rounded */
.abstract-box-settings .ab-style-preview--card {
    background: #ffffff;
    border: 1px solid rgba(0, 0, 0, 0.08);
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.12);
}

/* Ruled — white, thick left bar, title hairline */
.abstract-box-settings .ab-style-preview--ruled {
    background: #ffffff;
    border-left: 4px solid var(--ab-ui-navy);
}

.abstract-box-settings .ab-style-preview--ruled .ab-style-preview__title {
    padding-bottom: 4px;
    border-bottom: 1px solid rgba(0, 0, 0, 0.15);
    margin-bottom: 2px;
}

/* Editorial — flat white, solid full border */
.abstract-box-settings .ab-style-preview--editorial {
    background: #ffffff;
    border: 1.5px solid var(--ab-ui-text-subtle);
    border-radius: 4px;
}

/* Summary — soft tinted background, no border, generous radius */
.abstract-box-settings .ab-style-preview--summary {
    background: #ede9fe;
    border: none;
    border-radius: 10px;
}

/* Bulletin — full red border + diagonal stripe on right + bottom */
.abstract-box-settings .ab-style-preview--bulletin {
    background: #ffffff;
    border: 1.5px solid #dc2626;
    border-radius: 3px;
    position: relative;
    overflow: hidden;
}
.abstract-box-settings .ab-style-preview--bulletin::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 7px;
    height: calc(100% - 7px);
    background: repeating-linear-gradient(
        -45deg,
        #dc2626 0px, #dc2626 2px,
        #ffffff 2px, #ffffff 4px
    );
}
.abstract-box-settings .ab-style-preview--bulletin::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 7px;
    background: repeating-linear-gradient(
        -45deg,
        #dc2626 0px, #dc2626 2px,
        #ffffff 2px, #ffffff 4px
    );
}

/* Active state — tint the preview frame */
.abstract-box-settings .ab-visual-option input:checked + .ab-visual-option__card .ab-style-preview {
    opacity: 1;
}

.abstract-box-settings .ab-visual-option input:checked + .ab-visual-option__card .ab-visual-option__label {
    color: var(--ab-ui-navy);
}

/* ── Colour preset buttons ─────────────────────────────────────── */

.abstract-box-settings .abstract-box-presets {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    width: 100%;
}

.abstract-box-settings .abstract-box-preset-btn {
    border-radius: 20px;
    padding: 5px 14px;
    font-size: 12px;
    font-weight: 500;
    border: 1.5px solid var(--ab-ui-border-med);
    background: var(--ab-ui-surface);
    color: var(--ab-ui-text-base);
    cursor: pointer;
    transition: border-color 0.15s ease, color 0.15s ease, background 0.15s ease;
    line-height: 1.4;
    height: auto;
}

.abstract-box-settings .abstract-box-preset-btn:hover,
.abstract-box-settings .abstract-box-preset-btn:focus {
    border-color: var(--ab-ui-accent);
    color: var(--ab-ui-accent-dark);
    background: rgba(46, 106, 142, 0.06);
    box-shadow: none;
    outline: none;
}

/* ── Submit button ─────────────────────────────────────────────── */

.abstract-box-settings .abstract-box-form .submit {
    margin-top: 20px;
    padding: 0;
}

.abstract-box-settings .abstract-box-form .submit .button-primary {
    background: linear-gradient(135deg, var(--ab-ui-navy) 0%, var(--ab-ui-teal) 100%);
    border: none;
    border-radius: var(--ab-ui-radius-md);
    padding: 10px 28px;
    font-size: 13.5px;
    font-weight: 600;
    letter-spacing: 0.01em;
    color: #ffffff;
    box-shadow: 0 2px 8px rgba(27, 60, 83, 0.25);
    transition: opacity 0.15s ease, box-shadow 0.15s ease;
    height: auto;
    line-height: 1.5;
}

.abstract-box-settings .abstract-box-form .submit .button-primary:hover {
    background: linear-gradient(135deg, var(--ab-ui-navy) 0%, var(--ab-ui-teal) 100%);
    opacity: 0.88;
    box-shadow: 0 4px 14px rgba(27, 60, 83, 0.32);
    color: #ffffff;
    border: none;
}

.abstract-box-settings .abstract-box-form .submit .button-primary:focus-visible {
    outline: 2px solid var(--ab-ui-accent);
    outline-offset: 3px;
    opacity: 0.88;
}

/* ═══════════════════════════════════════════════════════════════════
   PREVIEW PANEL
   ═══════════════════════════════════════════════════════════════════ */

.abstract-box-settings .abstract-box-preview-panel {
    margin-top: 20px;
}

.abstract-box-settings .abstract-box-preview-panel h3 {
    font-weight: 700;
    font-size: 10px;
    color: var(--ab-ui-text-subtle);
    text-transform: uppercase;
    letter-spacing: 0.10em;
    margin: 0 0 10px;
}

.abstract-box-settings .abstract-box-preview-container {
    background: var(--ab-ui-surface);
    border: 1px solid var(--ab-ui-border-med);
    border-radius: var(--ab-ui-radius-lg);
    padding: 24px;
}

/* ═══════════════════════════════════════════════════════════════════
   USAGE TAB
   ═══════════════════════════════════════════════════════════════════ */

.abstract-box-settings .abstract-box-usage {
    background: transparent;
    padding: 0;
}

.abstract-box-settings .ab-usage-section {
    background: var(--ab-ui-surface);
    border: 1px solid var(--ab-ui-border-med);
    border-radius: var(--ab-ui-radius-lg);
    padding: 22px 24px;
    margin-bottom: 10px;
}

.abstract-box-settings .ab-usage-section:last-child {
    margin-bottom: 0;
}

.abstract-box-settings .ab-usage-heading {
    font-size: 14px;
    font-weight: 700;
    color: var(--ab-ui-text-strong);
    letter-spacing: -0.01em;
    margin: 0 0 12px;
    padding: 0;
    border: none;
}

.abstract-box-settings .ab-usage-subheading {
    font-size: 13px;
    font-weight: 600;
    color: var(--ab-ui-text-base);
    margin: 20px 0 10px;
    padding: 0;
    border: none;
}

.abstract-box-settings .abstract-box-usage p {
    font-size: 13px;
    color: var(--ab-ui-text-muted);
    line-height: 1.65;
    margin: 0 0 10px;
}

.abstract-box-settings .ab-usage-steps,
.abstract-box-settings .ab-usage-list {
    margin: 8px 0 8px 20px;
    padding: 0;
}

.abstract-box-settings .ab-usage-steps li,
.abstract-box-settings .ab-usage-list li {
    font-size: 13px;
    color: var(--ab-ui-text-muted);
    line-height: 1.65;
    margin-bottom: 6px;
    padding-left: 4px;
}

.abstract-box-settings .ab-code-block {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    background: var(--ab-ui-surface-2);
    border: 1px solid var(--ab-ui-border-med);
    border-radius: var(--ab-ui-radius-md);
    padding: 12px 14px;
    margin: 0 0 12px;
}

.abstract-box-settings .ab-code-block code {
    flex: 1;
    font-size: 12px;
    font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
    color: var(--ab-ui-text-strong);
    background: transparent;
    word-break: break-all;
    line-height: 1.6;
    padding: 0;
}

.abstract-box-settings .ab-copy-btn {
    flex-shrink: 0;
    background: linear-gradient(135deg, var(--ab-ui-navy), var(--ab-ui-teal));
    color: #ffffff;
    border: none;
    border-radius: var(--ab-ui-radius-sm);
    padding: 4px 12px;
    font-size: 12px;
    font-weight: 500;
    cursor: pointer;
    transition: opacity 0.15s ease;
    align-self: flex-start;
}

.abstract-box-settings .ab-copy-btn:hover,
.abstract-box-settings .ab-copy-btn:focus {
    opacity: 0.82;
    outline: none;
}

.abstract-box-settings .ab-usage-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
    margin: 0 0 12px;
}

.abstract-box-settings .ab-usage-table thead tr {
    border-bottom: 2px solid var(--ab-ui-border-med);
}

.abstract-box-settings .ab-usage-table th {
    text-align: left;
    font-weight: 600;
    color: var(--ab-ui-text-base);
    padding: 8px 12px 8px 0;
    white-space: nowrap;
}

.abstract-box-settings .ab-usage-table tbody tr {
    border-bottom: 1px solid var(--ab-ui-surface-3);
}

.abstract-box-settings .ab-usage-table tbody tr:last-child {
    border-bottom: none;
}

.abstract-box-settings .ab-usage-table td {
    color: var(--ab-ui-text-muted);
    padding: 10px 12px 10px 0;
    vertical-align: top;
    line-height: 1.55;
}

.abstract-box-settings .ab-usage-table td code,
.abstract-box-settings .ab-usage-table th code {
    background: var(--ab-ui-surface-3);
    color: var(--ab-ui-navy);
    border-radius: 4px;
    padding: 2px 6px;
    font-size: 11.5px;
    font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
    white-space: nowrap;
}

.abstract-box-settings .ab-style-comparison {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin: 12px 0 16px;
}

.abstract-box-settings .ab-style-comparison--3col {
    grid-template-columns: repeat(3, 1fr);
    margin: 0;
}

.abstract-box-settings .ab-style-card {
    background: var(--ab-ui-surface-2);
    border: 1.5px solid var(--ab-ui-border-med);
    border-radius: var(--ab-ui-radius-md);
    padding: 16px 18px;
    transition: border-color 0.15s ease;
}

.abstract-box-settings .ab-style-card:hover {
    border-color: var(--ab-ui-accent);
}

.abstract-box-settings .ab-style-card h4 {
    font-size: 13px;
    font-weight: 600;
    color: var(--ab-ui-text-strong);
    margin: 0 0 6px;
    padding: 0;
}

.abstract-box-settings .ab-style-card p {
    font-size: 12.5px;
    color: var(--ab-ui-text-muted);
    line-height: 1.6;
    margin: 0;
}

.abstract-box-settings .ab-usage-note {
    background: linear-gradient(135deg, rgba(46, 106, 142, 0.06), rgba(27, 60, 83, 0.04));
    border-left: 3px solid var(--ab-ui-accent);
    border-radius: 0 var(--ab-ui-radius-sm) var(--ab-ui-radius-sm) 0;
    padding: 10px 14px;
    font-size: 12.5px;
    color: var(--ab-ui-navy);
    margin-top: 4px;
}

/* ═══════════════════════════════════════════════════════════════════
   FOOTER
   ═══════════════════════════════════════════════════════════════════ */

.abstract-box-settings .ab-footer {
    border-top: 1px solid var(--ab-ui-border-med);
    margin-top: 28px;
    padding-top: 16px;
    text-align: center;
}

.abstract-box-settings .ab-footer p {
    font-size: 12px;
    color: var(--ab-ui-text-subtle);
    margin: 0;
}

.abstract-box-settings .ab-footer a {
    color: var(--ab-ui-accent);
    text-decoration: none;
    font-weight: 500;
}

.abstract-box-settings .ab-footer a:hover,
.abstract-box-settings .ab-footer a:focus {
    color: var(--ab-ui-navy);
    text-decoration: underline;
}

/* ═══════════════════════════════════════════════════════════════════
   RESPONSIVE — 782px matches WP admin breakpoint
   ═══════════════════════════════════════════════════════════════════ */

@media (max-width: 980px) {
    .abstract-box-settings .ab-visual-selector--7col,
    .abstract-box-settings .ab-visual-selector--8col {
        grid-template-columns: repeat(4, 1fr);
    }
}

@media (max-width: 782px) {
    .abstract-box-settings .ab-header {
        flex-direction: column;
        align-items: flex-start;
        padding: 20px;
        border-radius: var(--ab-ui-radius-lg);
    }

    .abstract-box-settings .ab-visual-selector--5col,
    .abstract-box-settings .ab-visual-selector--7col,
    .abstract-box-settings .ab-visual-selector--8col {
        grid-template-columns: repeat(3, 1fr);
    }

    .abstract-box-settings .ab-tab-panel {
        padding: 16px;
    }

    .abstract-box-settings .ab-field-card {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }

    .abstract-box-settings .ab-field-card .ab-toggle {
        align-self: flex-start;
    }

    .abstract-box-settings .ab-field-card select,
    .abstract-box-settings .ab-field-card input[type="text"],
    .abstract-box-settings .ab-field-card input[type="number"] {
        max-width: 100%;
    }

    .abstract-box-settings .ab-visual-selector {
        grid-template-columns: 1fr 1fr;
    }

    .abstract-box-settings .ab-style-comparison {
        grid-template-columns: 1fr;
    }

    .abstract-box-settings .ab-style-comparison--3col {
        grid-template-columns: repeat(2, 1fr);
    }

    .abstract-box-settings .ab-code-block {
        flex-direction: column;
    }

    .abstract-box-settings .ab-copy-btn {
        align-self: flex-start;
    }
}

@media (max-width: 480px) {
    .abstract-box-settings .ab-visual-selector {
        grid-template-columns: 1fr;
    }

    .abstract-box-settings .ab-visual-selector--5col {
        grid-template-columns: repeat(2, 1fr);
    }
}