.community-intro {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 2rem auto;
    padding: 0 5%;
}
.community-intro h1 {
    font-size: 2.8rem;
    margin-bottom: 1rem;
}
.community-intro p {
    font-size: 1.1rem;
    color: var(--text-muted-color);
    line-height: 1.7;
}
.filter-controls {
    max-width: 900px;
    margin: 0 auto 3rem auto;
    padding: 0 5%;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}
.search-wrapper {
    position: relative;
}
.search-wrapper .fa-search {
    position: absolute;
    top: 50%;
    left: 15px;
    transform: translateY(-50%);
    color: var(--text-muted-color);
}
#search-input {
    width: 100%;
    padding: 12px 15px 12px 40px;
    font-size: 1rem;
    background-color: var(--surface-color);
    border: 1px solid var(--border-color);
    color: var(--text-color);
    border-radius: 8px;
    transition: border-color 0.2s;
}
#search-input:focus {
    outline: none;
    border-color: var(--primary-color);
}
.select-filters {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}
select {
    width: 100%;
    padding: 12px;
    font-size: 1rem;
    background-color: var(--surface-color);
    border: 1px solid var(--border-color);
    color: var(--text-color);
    border-radius: 8px;
    cursor: pointer;
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%239ca3af' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");
    background-position: right 0.7rem center;
    background-repeat: no-repeat;
    background-size: 1.5em 1.5em;
}
#submission-list-container {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 5%;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}
.submission-card {
    display: block;
    background-color: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 2rem;
    text-decoration: none;
    color: var(--text-color);
    transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}
.submission-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}
.card-header h2 {
    font-size: 1.7rem;
    margin: 0 0 0.25rem 0;
    color: var(--primary-color);
}
.card-header .author {
    font-size: 0.9rem;
    color: var(--text-muted-color);
    font-style: italic;
}
.card-body {
    margin: 1.5rem 0;
    color: var(--text-muted-color);
    line-height: 1.6;
}
.card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
    font-size: 0.9rem;
    color: var(--text-muted-color);
    border-top: 1px solid var(--border-color);
    padding-top: 1.5rem;
}
.card-tags {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}
.tag {
    background-color: var(--border-color);
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}
.empty-state {
    text-align: center;
    padding: 4rem 2rem;
    background-color: var(--surface-color);
    border: 1px dashed var(--border-color);
    border-radius: 12px;
}
.empty-state i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}
.empty-state p {
    color: var(--text-muted-color);
    line-height: 1.7;
    margin-bottom: 2rem;
}
.empty-state-actions {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}
.empty-state-actions .action-button {
    display: inline-block;
    background: var(--primary-color);
    color: #fff;
    padding: 12px 24px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.2s ease;
}
.empty-state-actions .action-button.secondary {
    background-color: transparent;
    color: var(--text-muted-color);
    border: 1px solid var(--border-color);
}
.empty-state-actions .action-button:hover {
    transform: translateY(-3px);
}