/**
 * Conference Theme & Gutenberg Block Styles
 * Cleanly separated styles for the Online Conference site.
 * Applied on both the frontend and in the Gutenberg Block Editor.
 */

/* ==========================================================================
   1. CSS Custom Properties / Design Tokens
   ========================================================================== */
:root {
    --conf-color-bg: #0f172a;
    --conf-color-surface: #ffffff;
    --conf-color-surface-subtle: #f8fafc;
    --conf-color-border: #e2e8f0;
    --conf-color-primary: #0284c7;
    --conf-color-primary-hover: #0369a1;
    --conf-color-accent: #38bdf8;
    --conf-color-text-main: #0f172a;
    --conf-color-text-muted: #64748b;
    --conf-color-text-body: #475569;
    --conf-color-text-inverse: #f8fafc;
    --conf-radius-sm: 8px;
    --conf-radius-md: 12px;
    --conf-radius-lg: 16px;
    --conf-radius-pill: 999px;
    --conf-shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
    --conf-shadow-glow: 0 10px 25px -5px rgba(56, 189, 248, 0.25);
}

/* ==========================================================================
   2. Hero Section
   ========================================================================== */
.conf-hero {
    background-color: var(--conf-color-bg) !important;
    color: var(--conf-color-text-inverse) !important;
    border-radius: var(--conf-radius-lg);
    padding: 60px 30px !important;
    text-align: center;
}

.conf-hero-title {
    font-size: clamp(2rem, 5vw, 2.8rem) !important;
    font-weight: 800 !important;
    color: #ffffff !important;
    margin-bottom: 12px !important;
}

.conf-hero-tagline {
    font-size: 1.25rem !important;
    color: #94a3b8 !important;
    max-width: 760px;
    margin-left: auto !important;
    margin-right: auto !important;
}

.conf-hero-meta {
    font-weight: 600 !important;
    color: #f59e0b !important;
    margin: 18px 0 !important;
}

.conf-btn-primary a,
a.conf-btn-primary {
    background-color: var(--conf-color-accent) !important;
    color: var(--conf-color-bg) !important;
    font-weight: 700 !important;
    border-radius: var(--conf-radius-sm) !important;
    padding: 12px 28px !important;
    transition: transform 0.15s ease, opacity 0.15s ease;
}

.conf-btn-primary a:hover,
a.conf-btn-primary:hover {
    opacity: 0.92;
    transform: translateY(-1px);
}

.conf-btn-outline a,
a.conf-btn-outline {
    color: #ffffff !important;
    border: 2px solid rgba(255, 255, 255, 0.8) !important;
    border-radius: var(--conf-radius-sm) !important;
    font-weight: 700 !important;
    padding: 10px 24px !important;
}

/* ==========================================================================
   3. Dynamic Query Grids & Cards
   ========================================================================== */
.conf-section-title {
    font-size: 2rem !important;
    font-weight: 700 !important;
    margin-bottom: 24px !important;
}

.conf-query-grid {
    display: grid !important;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)) !important;
    gap: 24px !important;
    list-style: none !important;
    padding: 0 !important;
    margin: 0 !important;
}

.conf-query-grid li,
ul.conf-query-grid > li {
    margin: 0 !important;
    list-style: none !important;
}

/* General Card */
.conf-card {
    background: var(--conf-color-surface);
    border: 1px solid var(--conf-color-border);
    border-radius: var(--conf-radius-md);
    padding: 24px;
    box-shadow: var(--conf-shadow-sm);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.conf-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.08);
}

/* Speaker Card */
.conf-speaker-card {
    text-align: center;
}

.conf-speaker-img img,
.conf-speaker-img figure img {
    width: 140px !important;
    height: 140px !important;
    border-radius: 50% !important;
    object-fit: cover !important;
    border: 3px solid var(--conf-color-accent);
    margin: 0 auto 16px auto !important;
    display: block;
}

.conf-speaker-name {
    font-size: 1.25rem !important;
    font-weight: 700 !important;
    margin-bottom: 4px !important;
}

.conf-speaker-subtitle {
    font-size: 0.95rem !important;
    color: var(--conf-color-text-muted) !important;
    margin-bottom: 8px !important;
}

.conf-speaker-bio {
    font-size: 0.9rem !important;
    color: var(--conf-color-text-body) !important;
    line-height: 1.5 !important;
}

/* Session Agenda Card */
.conf-session-card {
    border-bottom: 1px solid var(--conf-color-border);
    padding: 20px 0;
}

.conf-session-card:last-child {
    border-bottom: none;
}

.conf-session-meta {
    font-weight: 700 !important;
    font-size: 0.95rem !important;
    color: var(--conf-color-primary) !important;
    margin-bottom: 4px !important;
}

.conf-session-title {
    font-size: 1.25rem !important;
    font-weight: 700 !important;
    margin: 4px 0 8px 0 !important;
}

.conf-session-abstract {
    font-size: 0.9rem !important;
    color: var(--conf-color-text-body) !important;
    line-height: 1.5 !important;
}

/* ==========================================================================
   4. Passes & Registration Cards
   ========================================================================== */
.conf-ticket-card {
    border: 2px solid var(--conf-color-border);
    border-radius: 14px;
    padding: 32px 24px;
    background: var(--conf-color-surface);
    position: relative;
    display: flex;
    flex-direction: column;
    justifyContent: space-between;
}

.conf-featured-ticket {
    border-color: var(--conf-color-accent);
    box-shadow: var(--conf-shadow-glow);
}

.conf-badge {
    display: inline-block;
    background: var(--conf-color-primary);
    color: #ffffff;
    font-size: 0.75rem;
    font-weight: 800;
    padding: 4px 14px;
    border-radius: var(--conf-radius-pill);
    letter-spacing: 0.05em;
    margin-bottom: 12px;
}

.conf-price {
    font-size: 2.25rem;
    font-weight: 800;
    color: var(--conf-color-text-main);
    margin: 12px 0;
}

/* ==========================================================================
   5. Sponsors
   ========================================================================== */
.conf-sponsor-card {
    border: 1px solid var(--conf-color-border);
    border-radius: var(--conf-radius-md);
    padding: 24px;
    text-align: center;
    background: var(--conf-color-surface);
    display: flex;
    flex-direction: column;
    align-items: center;
    justifyContent: center;
}

.conf-sponsor-card img,
.conf-sponsor-logo img {
    max-height: 80px;
    width: auto;
    object-fit: contain;
    margin: 0 auto 12px auto;
    display: block;
}

/* ==========================================================================
   6. FAQs Accordion
   ========================================================================== */
.conf-faq-item,
details.conf-faq-item {
    background: var(--conf-color-surface-subtle);
    border: 1px solid var(--conf-color-border);
    border-radius: var(--conf-radius-sm);
    padding: 16px 20px;
    margin-bottom: 12px;
    transition: background-color 0.15s ease;
}

details.conf-faq-item[open] {
    background: var(--conf-color-surface);
    border-color: #cbd5e1;
}

.conf-faq-item summary {
    font-size: 1.05rem;
    cursor: pointer;
    font-weight: 600;
    outline: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.conf-faq-cat {
    font-size: 0.75rem;
    background: var(--conf-color-border);
    padding: 2px 8px;
    border-radius: 4px;
    color: var(--conf-color-text-body);
    font-weight: 600;
    margin-left: 10px;
}