/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    background: linear-gradient(135deg, #48bb78 0%, #38a169 100%);
    min-height: 100vh;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header styles */
header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 100;
}

header .container {
    padding: 1rem 20px;
}

h1 {
    font-size: 2.5rem;
    color: #4a5568;
    text-align: center;
    margin-bottom: 0.5rem;
    font-weight: 700;
}

.subtitle {
    text-align: center;
    color: #718096;
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
}

nav ul {
    list-style: none;
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.nav-link {
    text-decoration: none;
    color: #4a5568;
    font-weight: 600;
    padding: 0.5rem 1rem;
    border-radius: 25px;
    transition: all 0.3s ease;
    background: rgba(72, 187, 120, 0.1);
}

.nav-link:hover {
    background: rgba(72, 187, 120, 0.2);
    transform: translateY(-2px);
}

/* Main content */
main {
    padding: 2rem 0;
}

.section {
    margin-bottom: 4rem;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 2rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    margin-left: 20px;
    margin-right: 20px;
}

h2 {
    font-size: 2rem;
    color: #2d3748;
    margin-bottom: 2rem;
    text-align: center;
    position: relative;
}

h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, #48bb78, #38a169);
    border-radius: 2px;
}

/* Current prompt styles */
.prompt-card {
    background: linear-gradient(135deg, #48bb78 0%, #38a169 100%);
    color: white;
    padding: 2rem;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 15px 35px rgba(72, 187, 120, 0.3);
    margin-bottom: 2rem;
}

.prompt-number {
    font-size: 1.2rem;
    font-weight: 600;
    opacity: 0.9;
    margin-bottom: 1rem;
}

.prompt-text {
    font-size: 1.5rem;
    font-weight: 500;
    margin-bottom: 1rem;
    line-height: 1.5;
}

.prompt-date {
    font-size: 1rem;
    opacity: 0.8;
    margin-bottom: 1rem;
}

.countdown {
    background: rgba(255, 255, 255, 0.2);
    padding: 1rem;
    border-radius: 15px;
    font-weight: 600;
}

/* Filter controls */
.filter-controls {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 2rem;
}

.filter-btn {
    background: #f7fafc;
    border: 2px solid #e2e8f0;
    color: #4a5568;
    padding: 0.75rem 1.5rem;
    border-radius: 25px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s ease;
}

.filter-btn:hover {
    background: #edf2f7;
    border-color: #cbd5e0;
}

.filter-btn.active {
    background: linear-gradient(135deg, #48bb78 0%, #38a169 100%);
    color: white;
    border-color: transparent;
}

/* Prompt grid */
.prompt-grid {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    margin-top: 2rem;
}

.prompt-item {
    background: #f7fafc;
    border: 1px solid #e2e8f0;
    border-radius: 20px;
    padding: 2rem;
    transition: all 0.3s ease;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    width: 100%;
}

.prompt-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.12);
    border-color: #48bb78;
}

.prompt-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.prompt-info {
    flex: 1;
    min-width: 300px;
}

.prompt-item h3 {
    color: #2d3748;
    margin-bottom: 0.5rem;
    font-size: 1.3rem;
    font-weight: 700;
}

.prompt-item .prompt-text {
    color: #4a5568;
    margin-bottom: 1rem;
    line-height: 1.6;
    font-size: 1.1rem;
}

.prompt-item .date {
    color: #718096;
    font-size: 0.9rem;
    font-weight: 500;
    background: rgba(72, 187, 120, 0.1);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    display: inline-block;
}

.prompt-content {
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 2px solid #e2e8f0;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.team-status h4 {
    color: #2d3748;
    margin-bottom: 1rem;
    font-size: 1.1rem;
    font-weight: 600;
}

.team-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.team-status-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem;
    background: white;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.team-status-item:hover {
    transform: translateX(5px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.team-status-item.completed {
    border-left: 4px solid #48bb78;
}

.team-status-item.pending {
    border-left: 4px solid #e53e3e;
}

.team-name {
    color: #2d3748;
    font-weight: 600;
    font-size: 1rem;
}

.status-icon {
    font-size: 1.2rem;
    font-weight: bold;
    width: 24px;
    text-align: center;
}

.team-status-item.completed .status-icon {
    color: #48bb78;
}

.team-status-item.pending .status-icon {
    color: #e53e3e;
}

.featured-image h4 {
    color: #2d3748;
    margin-bottom: 1rem;
    font-size: 1.1rem;
    font-weight: 600;
}

.featured-content {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.featured-content:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.featured-content {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 1rem;
}

.featured-content img {
    width: 100%;
    height: auto;
    max-width: 400px;
    aspect-ratio: 1;
    object-fit: contain;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.featured-info {
    padding: 1rem;
}

.featured-team {
    margin-bottom: 0.5rem;
}

.featured-team .team-name {
    color: #2d3748;
    font-weight: 700;
    font-size: 1.1rem;
}

.featured-description {
    color: #4a5568;
    font-size: 0.9rem;
    line-height: 1.5;
    margin: 0;
}


/* Footer */
footer {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    text-align: center;
    padding: 2rem 0;
    margin-top: 2rem;
}

footer p {
    color: #718096;
}

/* Responsive design */
@media (max-width: 768px) {
    .container {
        padding: 0 15px;
    }
    
    .section {
        margin-left: 15px;
        margin-right: 15px;
        padding: 1.5rem;
    }
    
    h1 {
        font-size: 2rem;
    }
    
    nav ul {
        gap: 1rem;
    }
    
    .prompt-header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .prompt-info {
        min-width: auto;
        width: 100%;
    }
    
    .prompt-content {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .filter-controls {
        flex-direction: column;
        align-items: center;
    }
}

@media (max-width: 480px) {
    h1 {
        font-size: 1.8rem;
    }
    
    .prompt-text {
        font-size: 1.2rem;
    }
    
    .team-status-item {
        padding: 0.5rem;
    }
    
    .featured-content img {
        max-width: 250px;
    }
    
    .team-name {
        font-size: 0.9rem;
    }
    
    .featured-content img {
        max-width: 300px;
    }
}

/* Animation classes */
.fade-in {
    animation: fadeIn 0.5s ease-in;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.slide-in {
    animation: slideIn 0.3s ease-out;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}