/* ==========================================================================
   Table of Contents - Elite Elegant Redesign
   ========================================================================== */

.wpa-toc-container {
    background: #ffffff;
    border: 1px solid rgba(0, 0, 0, 0.05);
    border-radius: 16px;
    padding: 20px 24px;
    margin: 30px 0;
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.02), 0 8px 10px -6px rgba(0, 0, 0, 0.02);
    font-size: 0.9rem;
    max-width: 100%;
    transition: all 0.3s ease;
}

/* Subtle background tint for contrast */
.wpa-toc-container::before {
    content: "";
    position: absolute;
    top: 0; left: 0; right: 0; height: 100%;
    background: linear-gradient(180deg, rgba(var(--wpa-accent-rgb, 37, 99, 235), 0.01) 0%, transparent 100%);
    pointer-events: none;
    border-radius: 16px;
}

.wpa-toc-header {
    margin-bottom: 16px;
}

.wpa-toc-container .wpa-feature-box-title {
    margin: 0;
    font-size: 0.85rem;
    font-weight: 800;
    color: var(--wpa-text-main, #111827);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    display: flex;
    align-items: center;
    gap: 12px;
}

/* Elegant Title Indicator */
.wpa-toc-container .wpa-feature-box-title::after {
    content: '';
    flex: 1;
    height: 1px;
    background: linear-gradient(90deg, var(--wpa-border-color, #f1f1f1) 0%, transparent 100%);
}

body.rtl .wpa-toc-container .wpa-feature-box-title::after {
    background: linear-gradient(-90deg, var(--wpa-border-color, #f1f1f1) 0%, transparent 100%);
}

/* Nested List Structure */
.wpa-toc-list, .wpa-toc-sub {
    list-style: none !important;
    margin: 0 !important;
    padding: 0 !important;
}

.wpa-toc-sub {
    padding-left: 16px !important;
    margin-top: 4px !important;
    border-left: 1px solid var(--wpa-border-color, #f1f1f1);
}

body.rtl .wpa-toc-sub {
    padding-left: 0 !important;
    padding-right: 16px !important;
    border-left: none;
    border-right: 1px solid var(--wpa-border-color, #f1f1f1);
}

.wpa-toc-item {
    position: relative;
    margin-bottom: 2px;
}

.wpa-toc-item a {
    text-decoration: none;
    color: var(--wpa-text-muted, #6b7280);
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    justify-content: space-between;
    align-items: center;
    line-height: 1.5;
    padding: 6px 12px;
    border-radius: 8px;
    font-weight: 500;
}

.wpa-toc-item a:hover {
    color: var(--wpa-accent, #2563eb);
    background: rgba(var(--wpa-accent-rgb, 37, 99, 235), 0.04);
    transform: translateX(4px);
}

body.rtl .wpa-toc-item a:hover {
    transform: translateX(-4px);
}

/* Title Truncation */
.wpa-toc-item-title {
    flex: 1;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* Reading Time - Soft Pill Style */
.wpa-toc-time {
    font-size: 0.65rem;
    font-weight: 700;
    color: var(--wpa-text-muted, #9ca3af);
    background: #ffffff;
    padding: 2px 8px;
    border-radius: 20px;
    margin-left: 12px;
    white-space: nowrap;
    border: 1px solid var(--wpa-border-color, #f1f1f1);
    box-shadow: 0 1px 2px rgba(0,0,0,0.02);
    opacity: 0.7;
}

/* Active Section - Modern Sidebar Highlight */
.wpa-toc-item.wpa-active-section > a {
    color: var(--wpa-accent, #2563eb) !important;
    background: rgba(var(--wpa-accent-rgb, 37, 99, 235), 0.06);
    font-weight: 700;
}

.wpa-toc-item.wpa-active-section > a::before {
    content: '';
    position: absolute;
    left: -4px;
    top: 20%;
    bottom: 20%;
    width: 3px;
    background: var(--wpa-accent, #2563eb);
    border-radius: 4px;
    box-shadow: 0 0 8px rgba(var(--wpa-accent-rgb, 37, 99, 235), 0.4);
}

body.rtl .wpa-toc-item.wpa-active-section > a::before {
    left: auto;
    right: -4px;
}

/* Multi-column layout for desktop */
@media (min-width: 1024px) {
    .wpa-toc-container:not(.wpa-sidebar-toc) .wpa-toc-list {
        display: grid;
        grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
        gap: 4px 32px;
    }
}

/* Collapsible Toggle Styling */
.wpa-toc-collapsible .wpa-toc-toggle {
    cursor: pointer;
    user-select: none;
}

.wpa-toc-arrow {
    width: 10px;
    height: 10px;
    border-right: 2px solid currentColor;
    border-bottom: 2px solid currentColor;
    transform: rotate(45deg);
    opacity: 0.3;
    transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    margin-left: auto;
}

body.rtl .wpa-toc-arrow {
    margin-left: 0;
    margin-right: auto;
}

.wpa-toc-collapsed .wpa-toc-arrow {
    transform: rotate(-135deg);
}

/* Interactive Hover for Entire Box */
.wpa-toc-container:hover {
    border-color: rgba(var(--wpa-accent-rgb, 37, 99, 235), 0.1);
    box-shadow: 0 15px 35px -5px rgba(0, 0, 0, 0.04);
}

/* ==========================================================================
   Dark Mode Support
   ========================================================================== */

body.wpa-dark-mode .wpa-toc-container {
    background: var(--wpa-bg-white) !important;
    border-color: var(--wpa-border-color) !important;
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.4);
}

body.wpa-dark-mode .wpa-toc-container .wpa-feature-box-title {
    color: var(--wpa-text-main) !important;
}

body.wpa-dark-mode .wpa-toc-item a {
    color: var(--wpa-text-muted) !important;
}

body.wpa-dark-mode .wpa-toc-item a:hover {
    color: var(--wpa-accent) !important;
    background: rgba(255, 255, 255, 0.05) !important;
}

body.wpa-dark-mode .wpa-toc-container::before {
    background: linear-gradient(180deg, rgba(var(--wpa-accent-rgb, 59, 130, 246), 0.05) 0%, transparent 100%);
}

body.wpa-dark-mode .wpa-toc-sub {
    border-color: var(--wpa-border-color);
}

body.wpa-dark-mode .wpa-toc-time {
    background: var(--wpa-bg-light);
    border-color: var(--wpa-border-color);
    color: var(--wpa-text-muted);
}

body.wpa-dark-mode .wpa-toc-item.wpa-active-section > a {
    background: rgba(var(--wpa-accent-rgb, 59, 130, 246), 0.12) !important;
    color: var(--wpa-accent) !important;
}

@media (max-width: 768px) {
    .wpa-toc-container { 
        padding: 16px 20px; 
        margin: 20px 0; 
        border-radius: 12px;
    }
}