:root {
    --s4y-purple: #9b5de5;
    --s4y-purple-dark: #7a42c4;
    --s4y-purple-light: #f3ebff;
    --s4y-white: #ffffff;
    --s4y-text: #2d3436;
    --s4y-text-light: #636e72;
    --s4y-shadow: 0 10px 30px rgba(155, 93, 229, 0.1);
    --s4y-radius: 16px;
    --s4y-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Dashboard Styles */
.s4y-seminars-dashboard {
    padding: 20px 0;
}

.s4y-dashboard-header {
    margin-bottom: 40px;
    text-align: left;
}

.s4y-dashboard-header h2 {
    color: var(--s4y-purple);
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 10px;
}

.s4y-dashboard-header p {
    color: var(--s4y-text-light);
    font-size: 1.1rem;
}

/* Grid Layout */
.s4y-seminars-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 30px;
}

.s4y-seminar-card {
    background: var(--s4y-white);
    border-radius: var(--s4y-radius);
    overflow: hidden;
    box-shadow: var(--s4y-shadow);
    transition: var(--s4y-transition);
    border: 1px solid rgba(155, 93, 229, 0.05);
}

.s4y-seminar-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(155, 93, 229, 0.15);
}

.s4y-card-image {
    position: relative;
    height: 200px;
    overflow: hidden;
}

.s4y-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--s4y-transition);
}

.s4y-seminar-card:hover .s4y-card-image img {
    scale: 1.05;
}

.s4y-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    background: var(--s4y-purple);
    color: white;
    padding: 6px 12px;
    border-radius: 30px;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 1px;
}

.s4y-card-content {
    padding: 25px;
}

.s4y-card-content h3 {
    font-size: 1.4rem;
    margin-bottom: 15px;
    color: var(--s4y-text);
}

.s4y-card-excerpt {
    color: var(--s4y-text-light);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 25px;
}

.s4y-btn-view {
    background: var(--s4y-purple) !important;
    color: white !important;
    width: 100%;
    text-align: center;
    border-radius: 12px !important;
    padding: 14px !important;
    font-weight: 600 !important;
    text-transform: none !important;
    border: none !important;
    transition: var(--s4y-transition) !important;
}

.s4y-btn-view:hover {
    background: var(--s4y-purple-dark) !important;
    box-shadow: 0 5px 15px rgba(155, 93, 229, 0.3);
}

/* Single View Styles */
.s4y-seminar-view {
    max-width: 1000px;
    margin: 0 auto;
    padding: 20px 0;
}

.s4y-view-nav {
    margin-bottom: 30px;
}

.s4y-back-link {
    color: var(--s4y-purple);
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    transition: var(--s4y-transition);
}

.s4y-back-link:hover {
    color: var(--s4y-purple-dark);
    padding-left: 5px;
}

.s4y-seminar-container {
    background: var(--s4y-white);
    border-radius: 24px;
    padding: 50px;
    box-shadow: var(--s4y-shadow);
}

.s4y-view-header {
    margin-bottom: 40px;
    border-bottom: 2px solid var(--s4y-purple-light);
    padding-bottom: 30px;
}

.s4y-view-header h1 {
    font-size: 3rem;
    font-weight: 800;
    color: var(--s4y-text);
    margin-bottom: 15px;
    line-height: 1.1;
}

.s4y-meta {
    color: var(--s4y-text-light);
    font-size: 1rem;
}

.s4y-meta span:first-child {
    color: var(--s4y-purple);
    font-weight: 700;
}

.s4y-video-wrapper {
    position: relative;
    padding-bottom: 56.25%; /* 16:9 */
    height: 0;
    overflow: hidden;
    border-radius: 16px;
    margin-bottom: 40px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
}

.s4y-video-wrapper iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.s4y-seminar-body {
    font-size: 1.15rem;
    line-height: 1.8;
    color: var(--s4y-text);
}

.s4y-seminar-body p {
    margin-bottom: 25px;
}

.s4y-view-footer {
    margin-top: 60px;
    padding-top: 30px;
    border-top: 1px solid var(--s4y-purple-light);
    text-align: center;
    color: var(--s4y-text-light);
    font-style: italic;
}

/* Empty State */
.s4y-no-seminars {
    text-align: center;
    padding: 80px 40px;
    background: var(--s4y-purple-light);
    border-radius: var(--s4y-radius);
}

.s4y-icon {
    font-size: 4rem;
    margin-bottom: 20px;
}

.s4y-btn-primary {
    background: var(--s4y-purple) !important;
    color: white !important;
    padding: 15px 30px !important;
    border-radius: 30px !important;
    text-decoration: none;
    display: inline-block;
    margin-top: 20px;
    font-weight: 600;
}

/* Responsive */
@media (max-width: 768px) {
    .s4y-seminar-container {
        padding: 25px;
    }
    .s4y-view-header h1 {
        font-size: 2rem;
    }
}