/* ========================================
   Event Sections - Agenda, Sidebar, Sponsors
   ======================================== */

/* ========================================
   SIDEBAR - Event Details
   ======================================== */
.event-sidebar {
    position: static;
    width: 100%;
    box-sizing: border-box;
}

/* Tablet: Move sidebar to top */
@media (max-width: 1199px) {
    .event-sidebar {
        position: static;
        order: -1;
        max-width: 100%;
    }
}

/* Desktop: Sticky sidebar */
@media (min-width: 1200px) {
    .event-sidebar {
        position: sticky;
        top: 80px;
        width: var(--sidebar-width-desktop);
        align-self: flex-start;
        max-height: calc(100vh - 80px);
        z-index: var(--z-sticky);
    }
    
    /* Account for admin bar */
    .admin-bar .event-sidebar {
        top: 112px; /* 80px + 32px admin bar */
        max-height: calc(100vh - 112px);
    }
}

/* Location Tabs */
.location-tabs,
.event-tabs {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: 0;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    background: var(--color-white);
    padding: var(--spacing-md);
    box-shadow: none;
}

.location-tab,
.event-tab {
    background: var(--color-white);
    color: var(--primary-color);
    font-weight: 700;
    text-transform: uppercase;
    font-size: var(--font-size-sm);
    padding: var(--spacing-sm) var(--spacing-xl);
    border: 2px solid var(--accent-color);
    border-radius: var(--radius-xs);
    outline: none;
    cursor: pointer;
    transition: all var(--transition-speed) ease;
    letter-spacing: 0.5px;
    box-shadow: none;
    flex: 1;
    max-width: 50%;
}

.location-tab.active,
.event-tab.active {
    background: var(--primary-color);
    color: var(--color-white);
    border: 2px solid var(--primary-color);
}

.location-tab:hover,
.event-tab:hover {
    opacity: 0.85;
}

@media (max-width: 768px) {
    .location-tabs,
    .event-tabs {
        padding: var(--spacing-sm) var(--spacing-xs);
        gap: var(--spacing-xs);
        flex-wrap: wrap;
        margin: 0;
    }
    
    .location-tab,
    .event-tab {
        font-size: var(--font-size-xs);
        padding: var(--spacing-xs) var(--spacing-md);
    }
}

/* Event Details Card */
.event-details-card {
    background: var(--color-white);
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
    box-shadow: var(--shadow-lg);
    padding: var(--spacing-2xl) var(--spacing-xl);
    border: 1px solid var(--color-gray-300);
    border-top: none;
    overflow: hidden;
    box-sizing: border-box;
    width: 100%;
    position: relative;
    scroll-margin-top: 70px;
}

.event-details-card.no-switcher {
    border-radius: var(--radius-lg);
    border-top: 1px solid var(--color-gray-300);
}

@media (max-width: var(--breakpoint-tablet)) {
    .event-details-card {
        max-width: 720px;
        margin: 0;
    }
}

@media (max-width: var(--breakpoint-mobile)) {
    .event-details-card {
        padding: var(--spacing-lg) var(--spacing-md);
        margin: 0;
        /* Unify card borders with main content on mobile */
        border-top: 1px solid var(--color-gray-300);
        border-radius: var(--radius-lg);
    }
}

@media (max-width: 400px) {
    .event-details-card {
        padding: 15px var(--spacing-xs);
        margin: 0;
    }
}

.location-group {
    display: none;
}

.location-group.active {
    display: block;
    animation: slideInFromRight 0.4s ease-out;
}

.event-details-title {
    font-size: 1.4em;
    font-weight: 700;
    margin-bottom: var(--spacing-xl);
    color: var(--accent-color);
    text-align: center;
    padding-bottom: var(--spacing-sm);
}

.event-location-header {
    font-size: 1.3em;
    font-weight: 700;
    margin: 0 0 var(--spacing-lg) 0;
    color: var(--primary-color);
    text-align: center;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    display: none;
}

.event-details-card.no-switcher .event-location-header {
    display: block;
}

.event-detail {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-sm);
    background: var(--color-gray-50);
    border-radius: var(--radius-md);
    transition: background var(--transition-speed);
}

.event-detail:hover {
    background: var(--color-gray-100);
}

.event-detail__icon {
    color: var(--primary-color);
    font-size: 1.3em;
    width: 24px;
    text-align: center;
    flex-shrink: 0;
    margin-top: 2px;
}

.event-detail__content {
    flex: 1;
}

.event-detail__label {
    font-weight: 600;
    font-size: var(--font-size-sm);
    color: var(--accent-color);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--spacing-xs);
}

.event-detail__value {
    font-size: var(--font-size-base);
    color: var(--color-gray-900);
    line-height: 1.5;
}

.event-detail__value a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color var(--transition-speed);
}

.event-detail__value a:hover {
    color: var(--primary-color-hover);
    text-decoration: underline;
}

/* Deprecated: legacy class names for backwards compatibility */
.event-detail-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-sm);
    background: var(--color-gray-50);
    border-radius: var(--radius-md);
    transition: background var(--transition-speed);
}

.event-detail-item:hover {
    background: var(--color-gray-100);
}

.event-detail-item i {
    color: var(--primary-color);
    font-size: 1.3em;
    width: 24px;
    text-align: center;
    flex-shrink: 0;
    margin-top: 2px;
}

.event-detail-content {
    flex: 1;
}

.event-detail-label {
    font-weight: 600;
    font-size: var(--font-size-sm);
    color: var(--accent-color);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--spacing-xs);
}

.event-detail-value {
    font-size: var(--font-size-base);
    color: var(--color-gray-900);
    line-height: 1.5;
}

.event-detail-value a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color var(--transition-speed);
}

.event-detail-value a:hover {
    color: var(--primary-color-hover);
    text-decoration: underline;
}

.location-separator {
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-gray-500), transparent);
    margin: var(--spacing-xl) 0;
    display: none;
}

.event-btn {
    background: var(--primary-color);
    color: var(--color-white) !important;
    font-weight: 600;
    font-size: var(--font-size-md);
    padding: var(--spacing-lg) var(--spacing-xl);
    border: none;
    border-radius: var(--radius-sm);
    letter-spacing: 0.5px;
    cursor: pointer;
    text-decoration: none;
    display: block;
    width: 100%;
    text-align: center;
    margin-top: var(--spacing-xl);
    transition: all var(--transition-speed);
    box-shadow: var(--shadow-sm);
    box-sizing: border-box;
}

.event-btn:hover:not(:disabled) {
    background: var(--primary-color);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.event-btn:disabled {
    background: var(--color-gray-400);
    color: var(--color-gray-600) !important;
    cursor: not-allowed;
    opacity: 0.6;
    box-shadow: none;
}

/* Backwards compatibility */
.register-now-btn {
    background: var(--primary-color);
    color: var(--color-white) !important;
    font-weight: 600;
    font-size: var(--font-size-md);
    padding: var(--spacing-lg) var(--spacing-xl);
    border: none;
    border-radius: var(--radius-sm);
    letter-spacing: 0.5px;
    cursor: pointer;
    text-decoration: none;
    display: block;
    width: 100%;
    text-align: center;
    margin-top: var(--spacing-xl);
    transition: all var(--transition-speed);
    box-shadow: var(--shadow-sm);
    box-sizing: border-box;
}

.register-now-btn:hover {
    background: var(--primary-color);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

/* ========================================
   SPONSORS - Section Styles
   ======================================== */
.event-sponsors {
    margin-top: var(--spacing-5xl);
    margin-bottom: var(--spacing-5xl);
}

.event-sponsors > h2 {
    color: var(--primary-color);
    padding-bottom: var(--spacing-xs);
    margin-bottom: var(--spacing-md);
}

.sponsor-group {
    margin-bottom: var(--spacing-3xl);
}

.sponsor-type {
    color: var(--accent-color);
    margin: 0 0 var(--spacing-sm);
}

/* Base sponsors flex layout */
.sponsor-logos {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-2xl);
    align-items: flex-start;
    justify-content: flex-start;
}

/* Mobile: left-aligned with reduced gap */
@media (max-width: 1475px) {
    .sponsor-logos {
        gap: var(--spacing-lg);
        justify-content: flex-start;
    }
}

/* One-row variant: center logos in a single line */
.sponsor-logos.sponsors--single-row {
    display: flex;
    flex-wrap: nowrap;
    justify-content: left;
    align-items: start;
    gap: var(--spacing-5xl);
}

@media (max-width: 1475px) {
    .sponsor-logos.sponsors--single-row {
        flex-wrap: wrap;
        gap: var(--spacing-lg);
    }
}

/* Multi-row variant: responsive auto-fit grid */
.sponsor-logos.sponsors--multi-row {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-start;
    gap: var(--spacing-2xl) var(--spacing-3xl);
}

.sponsor-logo {
    --logo-scale: 100; /* Default 100% scale */
    --logo-base-width: 240px;
    --logo-base-height: 160px;
    --logo-width: calc(var(--logo-base-width) * var(--logo-scale) / 100);
    --logo-height: var(--logo-base-height);
    flex: 0 0 var(--logo-width);
    width: var(--logo-width);
    display: flex;
    align-items: center;
    justify-content: center;
    height: var(--logo-height);
    overflow: hidden;
}

/* Desktop: Reduce logo size for better fit */
@media (min-width: 1476px) and (max-width: 1599px) {
    .sponsor-logo {
        --logo-base-width: 180px;
        --logo-base-height: 140px;
    }
}

.sponsor-logo img {
    max-height: 100%;
    max-width: 100%;
    height: auto;
    width: auto;
    display: block;
    object-fit: contain;
}

@media (min-width: 1476px) and (max-width: 1599px) {
    .sponsor-logo img {
        max-height: 90px;
    }
}

@media (max-width: 1475px) {
    .sponsor-logo {
        --logo-base-width: 160px;
        --logo-base-height: 120px;
        max-width: 280px;
    }
    
    .sponsor-logo img {
        max-height: 100%;
        max-width: 100%;
    }
}

/* Single row specific logo sizing */
.sponsor-logos.sponsors--single-row .sponsor-logo {
    --logo-base-width: 220px;
    --logo-base-height: 160px;
    flex: 0 1 var(--logo-width);
    height: var(--logo-height);
    display: flex;
    align-items: center;
    justify-content: center;
}

.sponsor-logos.sponsors--single-row .sponsor-logo img {
    max-height: 100%;
}

/* Multi row specific spacing */
.sponsor-logos.sponsors--multi-row .sponsor-logo {
    --logo-base-height: 150px;
    height: var(--logo-height);
    display: flex;
    align-items: center;
    justify-content: center;
}

.sponsor-logos.sponsors--multi-row .sponsor-logo img {
    max-height: 100%;
}