/**
 * AI Price Negotiator — Admin Settings
 * Modern design system with WooCommerce-style navigation
 */

/* ================================================================== *
 *  DESIGN TOKENS (scoped)
 * ================================================================== */
.aipn-settings-wrap {
    --aipn-primary: #F59E0B;
    --aipn-primary-hover: #D97706;
    --aipn-primary-light: #FFFBEB;
    --aipn-primary-ring: rgba(245, 158, 11, 0.12);
    --aipn-gray-50: #F9FAFB;
    --aipn-gray-100: #F3F4F6;
    --aipn-gray-200: #E5E7EB;
    --aipn-gray-300: #D1D5DB;
    --aipn-gray-400: #9CA3AF;
    --aipn-gray-500: #6B7280;
    --aipn-gray-600: #4B5563;
    --aipn-gray-700: #374151;
    --aipn-gray-900: #111827;
    --aipn-radius: 10px;
    --aipn-radius-sm: 6px;
    --aipn-shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
    --aipn-shadow: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
    --aipn-shadow-md: 0 4px 12px rgba(0, 0, 0, 0.07);
    --aipn-transition: 0.15s ease;
    max-width: 960px;
    margin: 0;
    padding-top: 8px;
}

/* ================================================================== *
 *  PAGE HEADER
 * ================================================================== */
.aipn-settings-wrap .aipn-page-header {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 24px;
}

.aipn-settings-wrap .aipn-page-header__icon {
    width: 44px;
    height: 44px;
    background: linear-gradient(135deg, #F59E0B, #F97316);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: #fff;
}

.aipn-settings-wrap .aipn-page-header h1 {
    font-size: 22px;
    font-weight: 700;
    color: var(--aipn-gray-900);
    margin: 0;
    padding: 0;
    letter-spacing: -0.4px;
    line-height: 1.2;
}

.aipn-settings-wrap .aipn-page-header p {
    font-size: 13px;
    color: var(--aipn-gray-400);
    margin: 2px 0 0;
    line-height: 1.4;
}

.aipn-settings-wrap .aipn-version-badge {
    display: inline-block;
    font-size: 11px;
    font-weight: 600;
    color: var(--aipn-gray-500);
    background: var(--aipn-gray-100);
    padding: 2px 10px;
    border-radius: 20px;
    vertical-align: middle;
    margin-left: 8px;
    letter-spacing: 0.2px;
}

.aipn-settings-wrap .aipn-free-badge {
    display: inline-block;
    font-size: 11px;
    font-weight: 700;
    color: #fff;
    background: linear-gradient(135deg, #059669, #10B981);
    padding: 2px 10px;
    border-radius: 20px;
    vertical-align: middle;
    margin-left: 6px;
    letter-spacing: 0.3px;
    text-transform: uppercase;
}

/* ================================================================== *
 *  TAB NAVIGATION — Prominent white bar
 * ================================================================== */
.aipn-settings-wrap .aipn-nav-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 0;
    background: #fff;
    border: 1px solid var(--aipn-gray-200);
    border-bottom: 2px solid var(--aipn-gray-200);
    border-radius: var(--aipn-radius) var(--aipn-radius) 0 0;
    margin: 0;
    padding: 0 24px;
}

.aipn-settings-wrap .aipn-nav-tabs .nav-tab {
    float: none;
    display: inline-flex;
    align-items: center;
    padding: 14px 20px;
    font-size: 14px;
    font-weight: 500;
    color: var(--aipn-gray-500);
    text-decoration: none;
    border: none;
    border-bottom: 2px solid transparent;
    margin: 0 0 -2px 0;
    background: transparent;
    transition: color var(--aipn-transition), border-color var(--aipn-transition), background var(--aipn-transition);
    line-height: 1;
    cursor: pointer;
    white-space: nowrap;
}

.aipn-settings-wrap .aipn-nav-tabs .nav-tab:hover {
    color: var(--aipn-gray-700);
    background: var(--aipn-gray-50);
}

.aipn-settings-wrap .aipn-nav-tabs .nav-tab:focus {
    box-shadow: none;
    outline: none;
}

.aipn-settings-wrap .aipn-nav-tabs .nav-tab-active,
.aipn-settings-wrap .aipn-nav-tabs .nav-tab-active:hover,
.aipn-settings-wrap .aipn-nav-tabs .nav-tab-active:focus {
    color: var(--aipn-primary);
    border-bottom-color: var(--aipn-primary);
    font-weight: 600;
    background: transparent;
}

/* External links group — right side of nav tabs */
.aipn-settings-wrap .aipn-nav-external {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    margin-left: auto;
    padding: 6px 0;
}

.aipn-settings-wrap .aipn-nav-external__link {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 6px 12px;
    font-size: 12px;
    font-weight: 500;
    color: var(--aipn-gray-500);
    text-decoration: none;
    border-radius: var(--aipn-radius-sm);
    transition: color var(--aipn-transition), background var(--aipn-transition);
    white-space: nowrap;
}

.aipn-settings-wrap .aipn-nav-external__link:hover {
    color: var(--aipn-gray-700);
    background: var(--aipn-gray-50);
}

.aipn-settings-wrap .aipn-nav-external__link svg {
    flex-shrink: 0;
    opacity: 0.7;
}

.aipn-settings-wrap .aipn-nav-external__link:hover svg {
    opacity: 1;
}

/* ================================================================== *
 *  SECTION NAVIGATION — Pill tabs below main nav
 * ================================================================== */
.aipn-settings-wrap .aipn-section-nav {
    margin: 16px 0 0;
}

.aipn-settings-wrap .aipn-section-links {
    list-style: none;
    display: flex;
    gap: 6px;
    margin: 0;
    padding: 0;
}

.aipn-settings-wrap .aipn-section-links li {
    margin: 0;
    padding: 0;
}

.aipn-settings-wrap .aipn-section-link {
    display: inline-block;
    padding: 7px 18px;
    font-size: 14px;
    font-weight: 500;
    color: var(--aipn-gray-500);
    text-decoration: none;
    border-radius: 6px;
    border: 1px solid var(--aipn-gray-200);
    background: #fff;
    transition: all var(--aipn-transition);
    line-height: 1.3;
}

.aipn-settings-wrap .aipn-section-link:hover {
    color: var(--aipn-gray-700);
    border-color: var(--aipn-gray-300);
    background: var(--aipn-gray-50);
}

.aipn-settings-wrap .aipn-section-link--active,
.aipn-settings-wrap .aipn-section-link--active:hover {
    color: var(--aipn-primary);
    background: var(--aipn-primary-light);
    border-color: var(--aipn-primary);
    font-weight: 600;
}

/* ================================================================== *
 *  SUCCESS NOTICE
 * ================================================================== */
.aipn-settings-wrap .aipn-notice-saved {
    display: flex;
    align-items: center;
    gap: 10px;
    background: #ECFDF5;
    border: 1px solid #A7F3D0;
    border-radius: 8px;
    padding: 12px 16px;
    margin: 0 0 16px;
    font-size: 14px;
    font-weight: 500;
    color: #065F46;
}

.aipn-settings-wrap .aipn-notice-saved__icon {
    width: 20px;
    height: 20px;
    min-width: 20px;
    background: #10B981;
    border-radius: 50%;
    position: relative;
}

.aipn-settings-wrap .aipn-notice-saved__icon::after {
    content: '';
    position: absolute;
    top: 5px;
    left: 7px;
    width: 5px;
    height: 9px;
    border: 2px solid #fff;
    border-top: none;
    border-left: none;
    transform: rotate(45deg);
}

/* ================================================================== *
 *  FORM CARD — White container for settings forms
 * ================================================================== */
.aipn-settings-wrap .aipn-form-card {
    background: #fff;
    border: 1px solid var(--aipn-gray-200);
    border-radius: var(--aipn-radius);
    box-shadow: var(--aipn-shadow-sm);
    margin-top: 16px;
    padding: 15px;
}

/* Section titles inside card */
.aipn-form-card > div:has(> h2),
.aipn-form-card > h2 {
    padding: 20px 24px 0;
}

.aipn-form-card h2 {
    font-size: 16px;
    font-weight: 600;
    color: var(--aipn-gray-900);
    margin: 0 0 4px;
    padding: 0;
    letter-spacing: -0.1px;
}

.aipn-form-card h2 + p,
.aipn-form-card > div > p {
    font-size: 14px;
    color: var(--aipn-gray-500);
    margin: 0 0 2px;
    line-height: 1.5;
}

/*
 * When sections are active, hide the WooCommerce title/desc
 * inside the form card — the section nav already serves that role.
 * Only applies to direct children (not inside .aipn-subsection).
 */
.aipn-form-card--sectioned > div:first-child:not(.aipn-subsection),
.aipn-form-card--sectioned > h2:first-child {
    display: none;
}

/* ================================================================== *
 *  SUB-SECTION PANELS — card-within-card for multi-group pages
 *  (e.g. Sales & Urgency, Widget Styling)
 * ================================================================== */
.aipn-form-card .aipn-subsection {
    border: 1px solid var(--aipn-gray-200);
    border-radius: var(--aipn-radius-sm);
    overflow: hidden;
    margin-bottom: 16px;
}

.aipn-form-card .aipn-subsection:last-child {
    margin-bottom: 0;
}

/* Sub-section title bar */
.aipn-subsection h2 {
    background: var(--aipn-gray-50);
    padding: 14px 20px 6px !important;
    margin: 0 !important;
    font-size: 15px !important;
    border-bottom: 1px solid var(--aipn-gray-100);
}

/* Description following the title */
.aipn-subsection > div:first-child,
.aipn-subsection > div[id*="description"] {
    background: var(--aipn-gray-50);
    padding: 0 20px 10px;
    margin: 0;
    border-bottom: 1px solid var(--aipn-gray-100);
}

.aipn-subsection > div:first-child p,
.aipn-subsection > div[id*="description"] p {
    margin: 0;
}

/* Reset form-table inside subsections */
.aipn-subsection .form-table {
    margin: 0;
}

.aipn-subsection .form-table th {
    padding-left: 20px;
}

.aipn-subsection .form-table td {
    padding-right: 20px;
}

/* WooCommerce form table */
.aipn-form-card .form-table {
    margin: 0;
    border: none;
}

.aipn-form-card .form-table th {
    font-weight: 500;
    color: var(--aipn-gray-700);
    font-size: 14px;
    padding: 16px 10px 16px 24px;
    vertical-align: middle;
    width: 200px;
    line-height: 1.3;
}

.aipn-form-card .form-table td {
    padding: 16px 24px 16px 0;
    vertical-align: middle;
}

.aipn-form-card .form-table tr {
    border-bottom: 1px solid var(--aipn-gray-100);
}

.aipn-form-card .form-table tr:last-child {
    border-bottom: none;
}

.aipn-form-card .form-table td p.description {
    font-size: 13px;
    color: var(--aipn-gray-400);
    margin-top: 6px;
    font-style: normal;
    line-height: 1.4;
}

/* ================================================================== *
 *  MODERN INPUTS
 * ================================================================== */
.aipn-form-card .form-table input[type="text"],
.aipn-form-card .form-table input[type="number"],
.aipn-form-card .form-table input[type="password"],
.aipn-form-card .form-table input[type="email"],
.aipn-form-card .form-table input[type="url"],
.aipn-form-card .form-table textarea {
    border: 1px solid var(--aipn-gray-300);
    border-radius: var(--aipn-radius-sm);
    padding: 9px 12px;
    font-size: 14px;
    color: var(--aipn-gray-900);
    background: #fff;
    transition: border-color var(--aipn-transition), box-shadow var(--aipn-transition);
}

.aipn-form-card .form-table input:focus,
.aipn-form-card .form-table textarea:focus,
.aipn-form-card .form-table select:focus {
    border-color: var(--aipn-primary);
    box-shadow: 0 0 0 3px var(--aipn-primary-ring);
    outline: none;
}

.aipn-form-card .form-table select {
    border: 1px solid var(--aipn-gray-300);
    border-radius: var(--aipn-radius-sm);
    padding: 8px 12px;
    font-size: 14px;
    color: var(--aipn-gray-900);
    background-color: #fff;
    transition: border-color var(--aipn-transition), box-shadow var(--aipn-transition);
    min-width: 200px;
}

.aipn-form-card .form-table textarea {
    border-radius: var(--aipn-radius-sm);
}

/* Checkbox alignment */
.aipn-form-card .form-table input[type="checkbox"] {
    margin-top: 0;
    vertical-align: middle;
}

/* Color picker — ensure dropdown is visible */
.aipn-form-card .wp-picker-container {
    display: inline-block;
}

.aipn-form-card .wp-picker-container .wp-picker-holder {
    position: absolute;
    z-index: 100;
}

/* ================================================================== *
 *  SAVE BUTTON
 * ================================================================== */
.aipn-settings-wrap .aipn-submit {
    margin: 16px 0 0;
    padding: 0;
}

.aipn-settings-wrap .aipn-save-btn {
    background: var(--aipn-primary) !important;
    border: none !important;
    border-radius: 8px !important;
    padding: 11px 30px !important;
    font-size: 15px !important;
    font-weight: 600 !important;
    color: #fff !important;
    cursor: pointer;
    box-shadow: 0 1px 3px rgba(245, 158, 11, 0.3) !important;
    transition: all var(--aipn-transition) !important;
    text-shadow: none !important;
    height: auto !important;
    line-height: 1.4 !important;
}

.aipn-settings-wrap .aipn-save-btn:hover {
    background: var(--aipn-primary-hover) !important;
    box-shadow: 0 4px 14px rgba(245, 158, 11, 0.35) !important;
    transform: translateY(-1px);
}

.aipn-settings-wrap .aipn-save-btn:active {
    transform: translateY(0);
    box-shadow: 0 1px 3px rgba(245, 158, 11, 0.3) !important;
}

.aipn-settings-wrap .aipn-reset-styling-btn {
    margin-left: 10px !important;
    background: #fff !important;
    color: var(--aipn-gray-600) !important;
    border: 1px solid var(--aipn-gray-300) !important;
    border-radius: 8px !important;
    padding: 10px 22px !important;
    font-size: 14px !important;
    font-weight: 500 !important;
    cursor: pointer;
    transition: all var(--aipn-transition) !important;
    text-shadow: none !important;
    height: auto !important;
    line-height: 1.4 !important;
    box-shadow: var(--aipn-shadow-sm) !important;
}

.aipn-settings-wrap .aipn-reset-styling-btn:hover {
    background: var(--aipn-gray-50) !important;
    border-color: var(--aipn-gray-400) !important;
    color: var(--aipn-gray-700) !important;
}

.aipn-settings-wrap .aipn-reset-styling-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* ================================================================== *
 *  PRODUCT META OPTIONS
 * ================================================================== */
.aipn-product-options {
    border-top: 1px solid #eee;
    padding-top: 10px;
}

.aipn-product-options::before {
    content: 'AI Negotiation';
    display: block;
    font-weight: 600;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: #646970;
    margin-bottom: 8px;
    padding: 0 12px;
}

/* ================================================================== *
 *  TEST API KEY
 * ================================================================== */
.aipn-test-key-btn {
    margin-left: 10px !important;
    vertical-align: middle;
    background: var(--aipn-primary) !important;
    color: #fff !important;
    border: none !important;
    border-radius: 8px !important;
    padding: 9px 22px !important;
    font-size: 14px !important;
    font-weight: 600 !important;
    cursor: pointer;
    box-shadow: 0 1px 3px rgba(245, 158, 11, 0.3) !important;
    transition: all var(--aipn-transition) !important;
    text-shadow: none !important;
    height: auto !important;
    line-height: 1.4 !important;
}

.aipn-test-key-btn:hover {
    background: var(--aipn-primary-hover) !important;
    box-shadow: 0 4px 14px rgba(245, 158, 11, 0.35) !important;
    transform: translateY(-1px);
}

.aipn-test-key-btn:active {
    transform: translateY(0);
    box-shadow: 0 1px 3px rgba(245, 158, 11, 0.3) !important;
}

.aipn-test-key-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
}

.aipn-test-key-result {
    display: inline-block;
    margin-left: 10px;
    font-size: 14px;
    font-weight: 500;
    vertical-align: middle;
}

.aipn-test-key-result--success { color: #059669; }
.aipn-test-key-result--error   { color: #DC2626; }

/* ================================================================== *
 *  SETTINGS FOOTER
 * ================================================================== */
.aipn-settings-footer {
    margin-top: 24px;
    padding: 16px 0;
    text-align: center;
    font-size: 13px;
    color: var(--aipn-gray-400);
}

.aipn-settings-footer a {
    color: var(--aipn-primary);
    text-decoration: none;
    font-weight: 600;
}

.aipn-settings-footer a:hover {
    color: var(--aipn-primary-hover);
    text-decoration: underline;
}


/* ================================================================== *
 *  RESPONSIVE
 * ================================================================== */
@media (max-width: 782px) {
    .aipn-settings-wrap {
        max-width: 100%;
    }

    .aipn-settings-wrap .aipn-nav-tabs {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        padding: 0 16px;
        border-radius: 8px 8px 0 0;
    }

    .aipn-settings-wrap .aipn-nav-tabs .nav-tab {
        padding: 12px 14px;
        font-size: 13px;
    }

    .aipn-settings-wrap .aipn-nav-external {
        gap: 2px;
        padding: 4px 0;
    }

    .aipn-settings-wrap .aipn-nav-external__link {
        padding: 5px 8px;
        font-size: 11px;
    }

    .aipn-settings-wrap .aipn-section-links {
        flex-wrap: wrap;
    }

    .aipn-form-card .form-table th {
        width: auto;
        display: block;
        padding: 14px 16px 4px;
    }

    .aipn-form-card .form-table td {
        display: block;
        padding: 4px 16px 14px;
    }

    .aipn-form-card > div:has(> h2),
    .aipn-form-card > h2 {
        padding: 16px 16px 0;
    }

}

@media (max-width: 480px) {
    .aipn-settings-wrap .aipn-page-header h1 {
        font-size: 18px;
    }

    .aipn-settings-wrap .aipn-page-header__icon {
        width: 38px;
        height: 38px;
        border-radius: 10px;
    }

    .aipn-settings-wrap .aipn-page-header__icon svg {
        width: 18px;
        height: 18px;
    }
}