.lecture_list_wrap {
    padding: 60px 0;
}

.lecture_list_header {
    text-align: center;
    padding: 60px 20px;
    margin-bottom: 60px;
}

.header_badge {
    display: inline-block;
    padding: 10px 24px;
    background: #111;
    color: #fff;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 3px;
    border-radius: 30px;
    margin-bottom: 25px;
}

.header_title {
    font-size: 42px;
    font-weight: 700;
    color: #111;
    margin-bottom: 20px;
}

.header_desc {
    font-size: 17px;
    color: #666;
    line-height: 1.8;
}

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

.lecture_grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 30px;
}

/* 강의 카드 */
.lecture_card {
    background: #fff;
    border: 1px solid #e5e7eb;
    border-radius: 16px;
    padding: 30px;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.lecture_card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
    border-color: #0f9b8e;
}

.lecture_card_header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 24px;
    padding-bottom: 20px;
    border-bottom: 2px solid #f3f4f6;
}

.lecture_card_title {
    font-size: 22px;
    font-weight: 700;
    color: #1a1a1a;
    margin: 0;
    flex: 1;
    line-height: 1.4;
}

.lecture_card_badge {
    display: inline-block;
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    white-space: nowrap;
    margin-left: 12px;
}

.badge_basic {
    background: #dbeafe;
    color: #1e40af;
}

.badge_advanced {
    background: #fce7f3;
    color: #9f1239;
}

.lecture_card_info {
    margin-bottom: 24px;
}

.info_row {
    display: flex;
    align-items: center;
    margin-bottom: 12px;
    font-size: 14px;
}

.info_row:last-child {
    margin-bottom: 0;
}

.info_row .info_title {
    display: flex;
    align-items: center;
    gap: 10px;
}

.info_row i {
    width: 18px;
    height: 18px;
    margin-right: 10px;
    color: #0f9b8e;
    stroke: #0f9b8e;
    flex-shrink: 0;
}

.info_label {
    font-weight: 600;
    color: #666;
    width: 90px;
    flex-shrink: 0;
}

.info_value {
    color: #1a1a1a;
    flex: 1;
}

.info_value.price {
    color: #000;
    font-weight: 700;
    font-size: 18px;
}

.lecture_card_seats {
    background: #f9fafb;
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 24px;
}

.seats_item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.seats_item:last-child {
    margin-bottom: 0;
}

.seats_label {
    font-weight: 600;
    color: #666;
    font-size: 14px;
}

.seats_value {
    display: flex;
    align-items: center;
    gap: 8px;
}

.seats_capacity {
    font-weight: 700;
    color: #1a1a1a;
    font-size: 16px;
}

.seats_rate {
    color: #9ca3af;
    font-size: 13px;
}

.seats_remaining {
    color: #0f9b8e;
    font-weight: 700;
    font-size: 14px;
}

/* 액션 버튼 */
.lecture_card_actions {
    display: flex;
    gap: 10px;
}

.action_btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 20px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 14px;
    text-decoration: none;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

.action_btn i {
    width: 18px;
    height: 18px;
}

.btn_regular {
    background: linear-gradient(135deg, #0f9b8e 0%, #0d8377 100%);
    color: #fff;
    box-shadow: 0 4px 15px rgba(15, 155, 142, 0.3);
}

.btn_regular:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(15, 155, 142, 0.4);
}

.btn_retake {
    background: linear-gradient(135deg, #0f9b8e 0%, #0d8377 100%);
    color: #fff;
    box-shadow: 0 4px 15px rgba(15, 155, 142, 0.3);
}

.btn_retake:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(15, 155, 142, 0.4);
}

.btn_login {
    background: linear-gradient(135deg, #0f9b8e 0%, #0d8377 100%);
    color: #fff;
    box-shadow: 0 4px 15px rgba(15, 155, 142, 0.3);
}

.btn_login:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(15, 155, 142, 0.4);
}

.btn_disabled {
    background: #e5e7eb;
    color: #9ca3af;
    cursor: not-allowed;
}

/* 빈 상태 */
.lecture_empty {
    text-align: center;
    padding: 80px 20px;
}

.empty_icon {
    margin-bottom: 24px;
}

.empty_icon i {
    width: 64px;
    height: 64px;
    color: #d1d5db;
}

.empty_text {
    font-size: 18px;
    color: #9ca3af;
    margin: 0;
}

/* 반응형 */
@media (max-width: 768px) {
    .lecture_list_header {
        padding: 40px 15px;
        margin-bottom: 40px;
    }

    .header_title {
        font-size: 32px;
    }

    .header_desc {
        font-size: 15px;
    }

    .header_desc br {
        display: none;
    }

    .lecture_grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .lecture_card {
        padding: 24px;
    }

    .lecture_card_actions {
        flex-direction: column;
    }

    .action_btn {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .lecture_list_wrap {
        padding: 0 15px;
    }

    .lecture_list_header {
        padding: 30px 10px;
    }

    .header_badge {
        font-size: 11px;
        padding: 8px 18px;
    }

    .header_title {
        font-size: 26px;
    }

    .header_desc {
        font-size: 14px;
    }
}