/* Ranking Grid & Cards — 教育部推動之競賽(ranking.php)
   卡片配色以每筆資料所屬類別的 --accent 自訂屬性(來自後台 moe_competition_class.color)動態上色 */
.ranking-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 28px;
    margin-top: 30px;
}

.ranking-card {
    --accent: #8B2C2C;
    background: #ffffff;
    border: 1.5px solid #E5E7EB;
    border-radius: 16px;
    padding: 28px 24px 24px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.03);
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
    min-height: 260px;
}

.ranking-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 6px;
    background: var(--accent);
}

.ranking-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 20px 35px rgba(46, 31, 71, 0.1);
    border-color: var(--accent);
}

.ranking-card-top {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 14px;
}

.org-tag {
    font-size: 0.78rem;
    font-weight: 700;
    color: #6B7280;
    background-color: #F3F4F6;
    padding: 4px 10px;
    border-radius: 8px;
    border: 1px solid #E5E7EB;
}

.type-tag {
    align-self: flex-start;
    font-size: 0.78rem;
    font-weight: 700;
    padding: 4px 10px;
    border-radius: 8px;
    margin-bottom: 14px;
}

.ranking-card-name {
    font-size: 1.12rem;
    font-weight: 800;
    color: #2E1F47;
    font-family: 'Noto Serif TC', serif;
    line-height: 1.45;
    margin-bottom: 18px;
}

.ranking-card-details {
    border-top: 1px dashed #E5E7EB;
    padding-top: 16px;
    margin-top: auto;
    display: flex;
    flex-direction: column;
    gap: 10px;
    font-size: 0.92rem;
    color: #4B5563;
    margin-bottom: 18px;
}

.ranking-card-btn {
    display: inline-block;
    text-align: center;
    color: #ffffff !important;
    font-weight: 700;
    font-size: 0.92rem;
    padding: 10px 16px;
    border-radius: 8px;
    text-decoration: none;
    transition: opacity 0.25s ease;
}

.ranking-card-btn:hover {
    opacity: 0.85;
}

/* Deadline badges */
.deadline-badge {
    font-size: 0.75rem;
    font-weight: 700;
    padding: 3px 10px;
    border-radius: 50px;
    white-space: nowrap;
}

.deadline-open {
    background-color: #D1FAE5;
    color: #065F46;
}

.deadline-urgent {
    background-color: #FEE2E2;
    color: #B91C1C;
}

.deadline-closed {
    background-color: #F3F4F6;
    color: #6B7280;
}

.deadline-unlimited {
    background-color: #DBEAFE;
    color: #1D4ED8;
}

/* Search bar (shared look with credit-courses.php) */
.search-container {
    display: flex;
    gap: 12px;
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.search-input {
    flex-grow: 1;
    padding: 12px 20px;
    border: 1px solid #D1D5DB;
    border-radius: 8px;
    font-size: 1rem;
    font-family: 'Inter', sans-serif;
    outline: none;
    transition: all 0.3s ease;
}

.search-input:focus {
    border-color: #8B2C2C;
    box-shadow: 0 0 0 3px rgba(139, 44, 44, 0.1);
}

/* Responsive */
@media (max-width: 768px) {
    .ranking-grid {
        grid-template-columns: 1fr;
    }
}