/* ========================================
   Speakers Page - Accordion Layout
   Purple accent theme matching regenerationsymposium.com
   ======================================== */

:root {
    --speaker-primary: #6B21A8;
    --speaker-primary-dark: #581C87;
    --speaker-primary-light: #7E3CB9;
    --speaker-accent: #9333EA;
    --speaker-bg: #ffffff;
    --speaker-text: #1f1f2e;
    --speaker-text-secondary: #6b7280;
    --speaker-border: #e5e7eb;
    --speaker-row-bg: #f3f0f5;
    --speaker-row-hover: #ece8f0;
}

.speakers-section {
    max-width: 1400px;
    margin: 0 auto;
    padding: 40px 20px 60px;
}

.speakers-title {
    font-size: 2.8rem;
    font-weight: 800;
    color: var(--speaker-primary);
    text-align: center;
    margin-bottom: 40px;
    letter-spacing: 2px;
}

/* Accordion container - two column layout */
.speakers-accordion {
    display: flex !important;
    flex-direction: row !important;
    gap: 16px !important;
    align-items: flex-start !important;
}

/* Each column holds half of the speakers */
.speaker-column {
    flex: 1 1 50% !important;
    min-width: 0 !important;
    display: flex !important;
    flex-direction: column !important;
    gap: 12px !important;
}

/* Individual accordion item */
.speaker-accordion-item {
    border-left: 4px solid var(--speaker-primary);
    border-radius: 8px;
    overflow: hidden;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(107, 33, 168, 0.06);
}

.speaker-accordion-item.active {
    box-shadow: 0 4px 16px rgba(107, 33, 168, 0.12);
}

/* Accordion header (collapsed row) */
.speaker-header {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 16px 24px;
    background: var(--speaker-row-bg);
    cursor: pointer;
    transition: background 0.3s ease;
    user-select: none;
}

.speaker-header:hover {
    background: var(--speaker-row-hover);
}

.speaker-accordion-item.active .speaker-header {
    background: #ffffff;
}

/* Speaker photo */
.speaker-photo-wrap {
    flex-shrink: 0;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    overflow: hidden;
    border: 2px solid #ffffff;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.12);
}

.speaker-photo-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* Speaker name and title */
.speaker-meta {
    flex: 1;
    min-width: 0;
}

.speaker-name {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--speaker-text);
    line-height: 1.3;
    margin: 0;
}

.speaker-title {
    font-size: 0.9rem;
    color: var(--speaker-text-secondary);
    margin-top: 2px;
}

/* Dropdown arrow */
.speaker-arrow {
    flex-shrink: 0;
    font-size: 1rem;
    color: var(--speaker-primary);
    transition: transform 0.3s ease;
    width: 20px;
    text-align: center;
}

.speaker-accordion-item.active .speaker-arrow {
    transform: rotate(180deg);
}

/* Accordion body (expanded content) */
.speaker-body {
    max-height: 0;
    overflow: hidden;
    background: #ffffff;
    transition: max-height 0.4s ease;
}

.speaker-accordion-item.active .speaker-body {
    max-height: 2000px;
    border-top: 1px solid var(--speaker-border);
}

.speaker-body-inner {
    padding: 24px;
}

/* Tabs */
.speaker-tabs {
    display: flex;
    gap: 0;
    border-bottom: 1px solid var(--speaker-border);
    margin-bottom: 16px;
}

.speaker-tab {
    padding: 10px 20px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--speaker-text-secondary);
    cursor: pointer;
    border: none;
    background: transparent;
    border-bottom: 2px solid transparent;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

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

.speaker-tab.active {
    color: var(--speaker-primary);
    border-bottom-color: var(--speaker-primary);
}

/* Tab content */
.speaker-tab-content {
    display: none;
    padding: 8px 0;
}

.speaker-tab-content.active {
    display: block;
}

.speaker-tab-content h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--speaker-text);
    margin-bottom: 10px;
    line-height: 1.6;
}

.speaker-tab-content p {
    font-size: 0.92rem;
    color: #444;
    line-height: 1.8;
    margin-bottom: 10px;
}

.speaker-tab-content p:last-child {
    margin-bottom: 0;
}

/* Lecture titles */
.speaker-lecture-item {
    margin-bottom: 12px;
}

.speaker-lecture-item:last-child {
    margin-bottom: 0;
}

.speaker-lecture-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--speaker-text);
    margin-bottom: 6px;
    line-height: 1.5;
}

.speaker-lecture-desc {
    font-size: 0.9rem;
    color: #555;
    line-height: 1.7;
}

/* CV content */
.speaker-cv-content {
    font-size: 0.9rem;
    color: #555;
    line-height: 1.8;
    white-space: pre-line;
}

/* Responsive */
@media (max-width: 768px) {
    .speakers-section {
        padding: 20px 12px 40px;
    }

    .speakers-accordion {
        flex-direction: column !important;
    }

    .speakers-title {
        font-size: 2rem;
        margin-bottom: 30px;
    }

    .speaker-header {
        gap: 14px;
        padding: 12px 16px;
    }

    .speaker-photo-wrap {
        width: 48px;
        height: 48px;
    }

    .speaker-name {
        font-size: 0.95rem;
    }

    .speaker-title {
        font-size: 0.8rem;
    }

    .speaker-body-inner {
        padding: 16px;
    }

    .speaker-tab {
        padding: 8px 14px;
        font-size: 0.78rem;
    }

    .speaker-tab-content h4 {
        font-size: 0.92rem;
    }

    .speaker-tab-content p {
        font-size: 0.85rem;
    }
}

@media (max-width: 480px) {
    .speakers-title {
        font-size: 1.6rem;
    }

    .speaker-header {
        gap: 10px;
        padding: 10px 12px;
    }

    .speaker-photo-wrap {
        width: 40px;
        height: 40px;
    }

    .speaker-name {
        font-size: 0.88rem;
    }

    .speaker-title {
        font-size: 0.72rem;
    }

    .speaker-tab {
        padding: 6px 10px;
        font-size: 0.72rem;
    }
}